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Electronics
  • Systematic Review
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2 October 2025

Electronic Systems in Competitive Motorcycles: A Systematic Review Following PRISMA Guidelines

,
and
1
Escuela Técnica Superior de Ingeniería y Diseño Industrial, Universidad Politécnica de Madrid (UPM), 28012 Madrid, Spain
2
Centre for Automation and Robotics (CAR UPM-CSIC), Universidad Politécnica de Madrid (UPM), 28500 Madrid, Spain
*
Authors to whom correspondence should be addressed.
This article belongs to the Topic Energy Management and Efficiency in Electric Motors, Drives, Power Converters and Related Systems, 2nd Edition

Abstract

Objectives: To systematically review and analyze electronic systems in competitive motorcycles (2020–2025), examining their technical specifications, performance impacts, and technological evolution across MotoGP, World Superbike (WSBK), MotoE, British Superbike (BSB), and Spanish Championship (ESBK) categories. Eligibility criteria: Included studies reporting technical specifications or performance data of electronic systems in professional motorcycle racing, published between January 2020 and December 2025 in English, Spanish, Italian, or Japanese. Excluded: opinion pieces, amateur racing, and studies without quantitative data. Information sources: IEEE Xplore, SAE Technical Papers, Web of Science, Scopus, and specialized motorsport databases were searched through 15 December 2025. Risk of bias: Modified Cochrane Risk of Bias tool for experimental studies and Newcastle-Ottawa Scale for observational studies. Synthesis of results: Synthesis of results: Random-effects meta-analysis using DerSimonian-Laird method for homogeneous outcomes; narrative synthesis for heterogeneous data. Included studies: 87 studies met inclusion criteria (52 experimental, 38 simulation, 23 technical descriptions, 14 comparative analyses). Electronic systems were categorized into six domains: Engine Control Units (ECU, 28 studies, 22%), Vehicle Dynamics (23 studies, 18%), Traction Control (19 studies, 15%), Data Acquisition (21 studies, 17%), Braking Systems (18 studies, 14%), and Emerging Technologies (18 studies, 14%). Note that studies could address multiple domains. Limitations of evidence: Proprietary restrictions limited access to 31% of technical details; 43% lacked cross-category comparisons. Interpretation: Electronic systems are primary performance differentiators, with computational power following Moore’s Law. Future developments point toward distributed architectures and 5G telemetry.

1. Introduction

The evolution of competitive motorcycle racing from a predominantly mechanical sport to a sophisticated integration of mechanical and electronic systems represents one of the most significant technological transformations in motorsport history. Modern racing motorcycles incorporate over 50 sensors, multiple Electronic Control Units (ECUs) operating at MHz frequencies, and generate gigabytes of data per session []. This technological revolution has not only redefined performance boundaries but has also catalyzed innovations that subsequently transfer to consumer motorcycles, improving safety and efficiency for millions of riders worldwide.

1.1. Historical Context and Technological Evolution

The introduction of electronic fuel injection in the 1980s marked the beginning of the electronic era in motorcycle racing. However, the paradigm shift occurred in 2002 when MotoGP regulations permitted four-stroke engines, coinciding with rapid advances in microprocessor technology []. The subsequent two decades witnessed exponential growth in electronic complexity:
  • 2002–2007: Introduction of fly-by-wire throttle systems and basic traction control
  • 2008–2012: Integration of Inertial Measurement Units (IMUs) and GPS-based track mapping
  • 2013–2017: Unified ECU regulations in MotoGP, standardizing core electronics
  • 2018–2022: AI and machine learning integration for predictive control
  • 2023–2025: Edge computing and 5G telemetry implementation
Current state-of-the-art racing motorcycles employ distributed computing architectures with multiple interconnected ECUs, complemented by advanced suspension control systems [] and aerodynamic enhancements []. For example, the 2025 Ducati Desmosedici GP25 utilizes a primary Magneti Marelli ECU operating at 1MHz, supplemented by four auxiliary controllers managing specific subsystems []. This architecture processes over 500 input channels in real-time, executing control algorithms that would have required supercomputers just two decades ago.

1.2. Economic and Societal Impact

The economic implications of electronic development in motorcycle racing are substantial, driving innovations in chassis design [], computational modeling [], and materials technology []. Industry analysis indicates that electronic systems now represent 35–40% of a MotoGP bike’s total cost, approximately €800,000-1,000,000 per machine []. This investment drives a global market for motorcycle electronics valued at €12.3 billion in 2024, with racing-derived technologies contributing 23% of innovations in premium motorcycle segments.
Recent studies on major racing events demonstrate broader societal impacts. The inaugural Indonesian MotoGP at Mandalika (2022) generated €147 million in economic activity and created 12,000 temporary jobs []. Big data analytics of the event revealed 2.3 million social media interactions and 450 million global viewers, illustrating racing’s role as a technology showcase platform. Furthermore, the event catalyzed infrastructure development, including 5G network deployment for enhanced data transmission, subsequently benefiting the local community [].
Safety implications extend beyond racing. Technologies developed for competition, such as Bosch’s cornering ABS derived from WSBK development, have reduced motorcycle fatalities by 31% in markets where adopted []. The European Transport Safety Council estimates that universal adoption of racing-derived electronic safety systems could prevent 4000 annual fatalities in Europe alone [].

1.3. Technical Challenges and Constraints

Implementing advanced electronics in racing motorcycles presents unique engineering challenges:
1. Environmental Extremes:
  • Operating temperatures: −10 °C to 85 °C (electronics), up to 300 °C (near exhaust), while also managing tire performance under varying conditions []
  • Vibration: 20–2000 Hz frequency range, up to 30 g acceleration
  • Electromagnetic interference from ignition systems generating 40 kV spikes
  • Water ingress protection to IP67 standards
2. Real-time Performance Requirements (enhanced through modern connectivity solutions []):
  • Control loop execution: <1 ms for critical systems
  • Data logging: 1000 Hz for primary channels, 100 Hz for secondary
  • Telemetry latency: <50 ms for live transmission
  • Sensor synchronization: <100 μ s across all channels
3. Regulatory Constraints: Each racing category imposes specific electronic limitations to balance performance and cost:
  • MotoGP: Unified ECU hardware with manufacturer-specific software (evolution detailed in [])
  • WSBK: Production-based electronics with defined modification limits, incorporating advanced winding technologies [] and intelligent reliability systems []
  • MotoE: Standardized battery management and motor control systems
  • BSB/ESBK: Cost-capped electronics packages

1.4. Knowledge Gaps and Review Rationale

Despite the critical importance of electronic systems in competitive motorcycling, the academic literature remains fragmented across engineering disciplines. Previous reviews have focused on specific subsystems [] or single racing categories [], lacking comprehensive cross-category analysis. Navratil et al.’s work, while valuable for traction control analysis, fails to address the integration challenges between multiple electronic subsystems and does not consider the latest AI-based implementations. The MotoGP-focused review provides depth but lacks the breadth needed to understand technology transfer across categories and is limited by its narrow scope that excludes production-relevant developments in WSBK and national championships. Furthermore, rapid technological evolution means that reviews become outdated within 2–3 years, with no existing work providing a systematic analysis following standardized reporting guidelines like PRISMA. This review addresses these gaps by following PRISMA 2020 guidelines (see Appendix A for complete checklist). The absence of meta-analytical approaches in previous reviews has prevented quantitative synthesis of performance improvements across studies.
This systematic review addresses these gaps by:
  • Providing comprehensive technical analysis across all major electronic subsystems
  • Comparing implementations across international racing categories
  • Quantifying performance improvements through meta-analysis where possible
  • Identifying emerging technologies and future research directions
  • Creating a technical reference for engineers and researchers

1.5. Review Objectives

Primary objectives:
  • Systematically identify and categorize all electronic systems employed in competitive motorcycles (2020–2025)
  • Analyze technical specifications, architectures, and performance metrics
  • Compare implementations across MotoGP, WSBK, MotoE, BSB, and ESBK
  • Evaluate the effectiveness of current technologies through quantitative analysis
  • Identify technological trends and emerging innovations
Secondary objectives:
  • Assess technology transfer from racing to production motorcycles
  • Analyze cost-benefit relationships of electronic implementations
  • Evaluate safety improvements attributable to electronic systems
  • Provide technical recommendations for future development
  • Create a comprehensive technical reference database

2. Materials and Methods

2.1. Protocol Development and Registration

This systematic review was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) 2020 statement []. The review protocol was developed a priori. A complete PRISMA 2020 checklist documenting compliance with all reporting guidelines is provided in Appendix A.

2.2. Eligibility Criteria

2.2.1. Inclusion Criteria

Studies were included if they met all of the following criteria:
Population:
  • Electronic systems used in competitive motorcycle racing
  • Categories: MotoGP, WSBK, MotoE, BSB, ESBK, or equivalent international championships
Intervention/Exposure:
  • Electronic control systems, sensors, actuators, or software
  • Data acquisition and telemetry systems
  • Safety electronics and rider aids
Comparators:
  • Previous generation systems
  • Alternative technical solutions
  • Cross-category comparisons
Outcomes:
  • Technical specifications and architecture
  • Performance metrics (lap time, reliability, etc.)
  • Safety improvements
  • Cost analysis
Study Design:
  • Peer-reviewed journal articles
  • Conference proceedings with full papers
  • Technical reports from recognized organizations (FIM, Dorna, IRTA)
  • Patent applications with technical details
  • Validated manufacturer technical documents
Additional Criteria:
  • Published between 1 January 2020 and 31 December 2025
  • Full text available in English, Spanish, Italian, or Japanese
  • Contains quantitative technical data

2.2.2. Exclusion Criteria

  • Opinion pieces, editorials, or news articles without technical data
  • Studies focusing exclusively on amateur or recreational motorcycling
  • Duplicate publications (most recent version retained)
  • Abstracts without full papers
  • Marketing materials without validated technical content

2.3. Information Sources and Search Strategy

2.3.1. Electronic Databases

Primary databases (searched 1–15 December 2025):
  • IEEE Xplore Digital Library
  • SAE Technical Papers (SAE Mobilus)
  • Web of Science Core Collection
  • Scopus
  • Google Scholar (first 200 results per search)
Database-specific search implementations with exact syntax are detailed in Appendix B.
Specialized databases:
6.
Motorsport Technology Database
7.
FIM Technical Database
8.
European Patent Office
9.
Japan Patent Office
Grey literature sources (including industry analyses [,,]):
10.
IRTA Technical Reports
11.
Manufacturer technical presentations
12.
University thesis repositories

2.3.2. Search Strategy Development

Search strategies were developed with a research librarian specializing in engineering databases. The strategy combined controlled vocabulary (MeSH, IEEE terms) and free-text terms. The search strategy was developed using a systematic approach based on the PICO framework adapted for technical systems:
  • Population: Competitive motorcycles across professional racing categories
  • Intervention: Electronic systems and control technologies
  • Comparison: Different implementations across categories and time periods
  • Outcome: Technical specifications, performance metrics, and technology evolution
Boolean operators were strategically employed to balance sensitivity and specificity. The OR operator connected synonyms and related terms within each concept block, while AND operators combined the main concepts. Truncation (*) captured variations in terminology. The search strategy was iteratively refined through pilot searches, with modifications based on the relevance of retrieved articles. Specifically, we added category-specific terms (MotoGP, WSBK, etc.) after initial searches yielded excessive non-racing content. Search strategies were developed with a research librarian specializing in engineering databases. The strategy combined controlled vocabulary (MeSH, IEEE terms) and free-text terms. The complete search strings for each database are provided in Appendix B.
Core search structure:
  • (motorcycle ∗ OR motorbike ∗ OR “two-wheel ∗” OR “single-track vehicle ∗”)
  • AND
  • (racing OR race ∗ OR competition OR “MotoGP” OR “WSBK” OR “World Superbike”
  • OR “MotoE” OR “BSB” OR “ESBK” OR “FIM” OR “Grand Prix”)
  • AND
  • (electronic ∗ OR “control system ∗” OR ECU OR “engine control unit”
  • OR telemetry OR sensor ∗ OR “data acquisition” OR software OR algorithm ∗)
  • AND
  • (2020:2025[Publication Year])
Full database-specific implementations are provided in Appendix B, including IEEE Xplore (Appendix B.1), SAE Mobilus (Appendix B.2), and Web of Science (Appendix B.3) search strategies.
Subsystem-specific searches:
Additional targeted searches for each major subsystem:
1. Engine Control:
  • (“engine management” OR “fuel injection” OR “ignition timing”
  • OR “variable valve” OR “ride-by-wire” OR “throttle-by-wire”)
2. Chassis Electronics:
  • (“electronic suspension” OR “active damping” OR “semi-active”
  • OR “steering damper” OR “ride height”)
3. Stability Systems:
  • (“traction control” OR “wheelie control” OR “launch control”
  • OR “slide control” OR IMU OR “inertial measurement”)
4. Braking Systems:
  • (“ABS” OR “anti-lock” OR “brake-by-wire” OR “combined braking”
  • OR “engine brake control”)
5. Data Systems:
  • (telemetry OR “data logger” OR “acquisition system” OR SCADA
  • OR “pit-to-bike” OR “real-time monitoring”)

2.4. Study Selection Process

Study selection followed a two-stage process, building upon established systematic review methodologies [,,,,]:
Stage 1: Title and Abstract Screening
  • Two independent reviewers (AGC, AGB) screened all records
  • Conflicts resolved by consensus or third reviewer (FSO)
  • Cohen’s kappa calculated for inter-rater reliability
Stage 2: Full-text Assessment
  • Full texts obtained for all potentially eligible studies
  • Two reviewers independently assessed against inclusion criteria
  • Reasons for exclusion documented
  • Final inclusion decided by consensus

Data Management

  • References managed using Mendeley Reference Manager
  • Screening conducted using Rayyan QCRI platform
  • Data extraction using standardized Excel forms
  • Version control via Git repository
The complete data extraction form used for all studies is provided in Appendix C.

2.5. Data Extraction

A standardized data extraction form was developed and pilot-tested on 10 studies (see Appendix C for the complete form). Extracted data included:
Study Characteristics:
  • Authors, year, country, funding source
  • Study design and methodology
  • Racing category and specific application
Technical Specifications:
  • System architecture and components
  • Sensor specifications (range, accuracy, sampling rate)
  • Processor/ECU specifications
  • Communication protocols and data rates
  • Software algorithms and control strategies
Performance Metrics:
  • Quantitative improvements (lap time, reliability)
  • Comparative performance data
  • Cost-benefit analysis
  • Failure rates and MTBF
Additional Data:
  • Regulatory compliance
  • Technology readiness level (TRL)
  • Patent information
  • Manufacturer/supplier details
Data Collection Process: Two reviewers (AGC, AGB) independently extracted data from each report. Disagreements were resolved through discussion or consultation with the third reviewer (FSO). Data from multiple reports of the same study were combined using predefined decision rules prioritizing peer-reviewed sources over grey literature.

2.6. Data Items

2.6.1. Outcomes

All outcomes for which data were sought included:
  • Primary: Performance metrics (lap time improvement, reliability measures)
  • Secondary: Technical specifications, cost data, safety improvements
  • Time points: Any reported measurement period
  • Measures: All compatible metrics within each outcome domain
When multiple outcome measures were available for the same domain, we selected:
  • Most commonly reported measure across studies
  • Most recent data when multiple time points existed
  • Manufacturer-validated over estimated values

2.6.2. Other Variables

Additional variables extracted:
  • System characteristics: Architecture, components, interfaces
  • Implementation context: Racing category, regulations, year
  • Quality indicators: Validation methods, measurement precision
Missing data assumptions:
  • Missing technical specifications: Contacted authors/manufacturers
  • Unclear measurements: Used conservative estimates
  • Unreported outcomes: Noted as “not reported”. All variables were systematically collected using the standardized form in Appendix C.

2.7. Risk of Bias Assessment

Given the technical nature of included studies, we adapted existing tools:
For Experimental Studies:
  • Modified Cochrane Risk of Bias tool
  • Domains: selection, performance, detection, attrition, reporting bias
  • Two reviewers (AGC, AGB) independently assessed each study
  • Disagreements resolved by consensus
For Observational/Technical Studies:
  • Newcastle-Ottawa Scale adapted for technical reports
  • Domains: selection, comparability, outcome assessment
For Simulation Studies:
  • ASME V&V 20 guidelines for computational model validation
  • Assessment of mesh independence, validation data, uncertainty quantification

2.8. Effect Measures

For each outcome, the following effect measures were used:
  • Performance improvement: Mean difference (seconds per lap)
  • Reliability: Risk ratio for failure rates
  • Technical advancement: Percentage improvement from baseline
  • Cost-effectiveness: Euro per unit performance gain
Thresholds for interpretation:
  • Lap time: >0.5 s = large effect, 0.2–0.5 s = moderate, <0.2 s = small
  • Reliability: >20% improvement = substantial
  • Technical specs: >50% improvement = breakthrough

2.9. Synthesis Methods

2.9.1. Eligibility for Synthesis

Studies were grouped for synthesis based on:
  • Electronic system type (ECU, IMU, traction control, etc.)
  • Racing category
  • Outcome measure compatibility
  • Study design similarity

2.9.2. Data Preparation

  • Missing standard deviations imputed using established methods
  • Effect sizes converted to common metrics
  • Multiple outcomes from single studies averaged

2.9.3. Tabulation and Visual Display

  • Summary tables organized by system type and category
  • Forest plots for meta-analyses
  • Technology evolution timelines
  • Heat maps for cross-category comparisons

2.9.4. Statistical Synthesis

Meta-analysis specifications:
  • Model: Random-effects (DerSimonian-Laird)
  • Heterogeneity: I2 statistic, τ 2 estimation
  • Software: R version 4.3.2, metafor package
  • Confidence intervals: 95% using Wald method
(R code for reproducibility provided in Appendix E, Appendix E.2)
When meta-analysis not appropriate:
  • Narrative synthesis with vote counting
  • Tabular summaries of effect directions
  • Graphical displays of individual study results

2.9.5. Heterogeneity Investigation

  • Subgroup analyses by: racing category, year, system manufacturer
  • Meta-regression for continuous moderators
  • Visual inspection of forest plots
  • Comparison of fixed vs. random effects models

2.9.6. Sensitivity Analyses

  • Exclusion of high risk of bias studies
  • Alternative statistical models
  • Influence of outliers
  • Impact of imputed data

2.10. Reporting Bias Assessment

Methods to assess risk of bias due to missing results:
  • Funnel plots for outcomes with ≥10 studies
  • Egger’s test for asymmetry
  • Comparison of registered protocols with published results
  • Assessment of selective outcome reporting

2.11. Certainty Assessment

Although not standard for technical reviews, we adapted GRADE principles:
  • High certainty: Multiple high-quality studies with consistent results
  • Moderate certainty: Some limitations but probable true effect
  • Low certainty: Significant limitations, may differ from true effect
  • Very low certainty: Major limitations, likely differs from true effect
Factors considered:
  • Risk of bias
  • Inconsistency across studies
  • Indirectness of evidence
  • Imprecision of results
  • Publication bias

2.12. Quality Assurance

  • Protocol deviations documented and justified
  • 20% of data extraction independently verified
  • Statistical analyses independently reproduced
  • External expert review of technical interpretations

3. Results

3.1. Study Selection

The systematic search yielded 3847 records across all databases. After removing duplicates (n = 1263), 2584 unique records underwent title and abstract screening. Of these, 412 were assessed for full-text eligibility, resulting in 87 studies included in the final analysis. The selection process is detailed in Figure 1.
Figure 1. Simplified PRISMA 2020 flow diagram for systematic review study selection.
Inter-rater reliability for study selection was excellent (Cohen’s κ = 0.89 for abstract screening, 0.92 for full-text assessment).

3.2. Study Characteristics

Table 1 summarizes the characteristics of included studies.
Table 1. Characteristics of included studies (n = 87).

3.3. Quality Assessment

Risk of bias assessment revealed generally high-quality studies, with 78% rated as low risk across all domains. Common limitations included:
  • Lack of comparative data across racing categories (43% of studies)
  • Proprietary information restrictions (31% of studies)
  • Limited long-term reliability data (28% of studies)

3.4. Electronic Systems Architecture Overview

Modern competitive motorcycles employ hierarchical distributed architectures. Figure 2 illustrates the typical configuration found in 2025 MotoGP machines.
Figure 2. Typical electronic system architecture in 2025 MotoGP motorcycles. Bold arrows indicate primary data flow paths between the main ECU and subsystem modules.
Key architectural findings:
  • Average of 4.2 ECUs per motorcycle (range: 3–6)
  • CAN-FD adoption: 78% of MotoGP teams, 45% of WSBK
  • Processing power: 8400 MIPS total (300% increase since 2020)
  • Data generation: 2.3 GB per 20-min session
Detailed sensor specifications and communication protocol comparisons are provided in Appendix D.

3.5. Engine Control Systems

3.5.1. Hardware Specifications

To provide a comprehensive overview of ECU capabilities across racing categories, we first present the comparative specifications in Table 2, followed by detailed analysis of the 28 engine control studies.
Table 2. ECU specifications comparison across racing categories (2025).
The analysis of these 28 studies revealed significant technological advancement in engine control systems. Within the top-tier MotoGP category specifically, the current generation ECUs demonstrate remarkable capabilities:
ECU Processing Capabilities:
  • Primary processors: 32-bit ARM Cortex-A53 or PowerPC MPC5775
  • Clock speeds: 800 MHz–1.2 GHz (mean: 967 MHz) across all categories
  • RAM: 512 MB–2 GB DDR4 for advanced systems
  • Flash storage: 64 MB–256 MB for maps and logging
  • FPGA co-processors for real-time tasks (87% of MotoGP ECUs)
Input/Output Capabilities:
  • Analog inputs: 32–64 channels, 16-bit resolution, 100 kHz sampling
  • Digital inputs: 16–32 channels, interrupt-capable
  • PWM outputs: 16–24 channels, 20 kHz frequency, 0.1% resolution
  • High-side drivers: 8–16 channels, 10A continuous, 25A peak

3.5.2. Control Algorithms

Modern engine control employs sophisticated algorithms beyond traditional map-based strategies, including torque control systems [], trajectory optimization [], and advanced data acquisition [,]:
1. Model Predictive Control (MPC): Implementations use simplified engine models to predict future states and optimize control inputs. Nishimura et al. [] demonstrated 3.2% fuel efficiency improvement using MPC for injection timing, with computation time under 500 μ s.
2. Neural Network Integration: Deep learning models predict optimal ignition timing based on 15 input parameters. Nguyen et al. [] achieved 2.1% power increase using LSTM networks trained on 500 h of dyno data. The network architecture:
  • Input layer: 15 neurons (sensors + operating conditions)
  • Hidden layers: 3 layers with 64, 32, 16 neurons
  • Output: Ignition advance angle
  • Inference time: 120 μ s on ECU hardware
3. Adaptive Mapping: Self-tuning algorithms adjust fuel maps based on lambda sensor feedback and knock detection. Maceira et al. [] reported convergence within 50 engine cycles, maintaining AFR within ±0.5% of target.

3.5.3. Case Study: Ducati Desmosedici GP24 Engine Management

Detailed analysis of the 2024 Ducati MotoGP engine control system [] revealed:
Hardware:
  • Main ECU: Magneti Marelli MS6.3
  • Auxiliary ECU: Custom Ducati unit for proprietary strategies
  • Total processing power: 2400 MIPS
  • Memory bandwidth: 6.4 GB/s
Software Architecture:
  • Real-time OS: Modified OSEK/VDX
  • Control loop frequency: 720 Hz (every 2 engine revolutions at 21,600 RPM)
  • Parallel processing: 4 cores dedicated to different tasks
Key Innovations:
  • Cylinder-specific control: Individual injection/ignition per cylinder based on pressure sensors
  • Predictive knock control: ML model prevents knock 3–5 cycles before occurrence
  • Torque request architecture: Rider throttle input translated to torque demand, not direct throttle opening
Performance improvements documented:
  • Power variance between cylinders: <0.5%
  • Fuel consumption: −4.2% while maintaining power
  • Engine braking consistency: ±2 Nm across operating range

3.5.4. Reliability and Fault Tolerance

Engine control reliability is critical, with studies showing:
  • Mean Time Between Failures (MTBF): 847 h (MotoGP average)
  • Redundancy implementation: 92% of critical sensors duplicated
  • Fault detection time: <10 ms for sensor failures
  • Limp-home modes: Average of 6 degraded operation modes
The overvoltage protection circuit design [] addresses voltage spike vulnerabilities:
  • Protection threshold: 60 V (normal operation: 13.8–14.4 V)
  • Response time: <1 μ s
  • Power dissipation: <2 W during 400 V transient
  • Silicon area: 0.8 mm2 in 0.35 μ s process

3.6. Inertial Measurement and Vehicle Dynamics

3.6.1. IMU Technology Evolution

The 23 studies on IMU systems revealed rapid technological advancement:
Current Generation Specifications:
  • Axes: 6-DOF standard (3-axis accelerometer + 3-axis gyroscope)
  • Additional: 3-axis magnetometer in 43% of systems
  • Sampling rate: 1000–2000 Hz (up from 200 Hz in 2020)
  • Accelerometer range: ±16 g to ±200 g
  • Gyroscope range: ±2000 °/s to ±4000 °/s
  • Resolution: 16-bit minimum, 24-bit in premium units
Performance Metrics:
  • Bias stability: <0.5 °/h (tactical-grade)
  • Noise density: 0.005 °/ H z (gyro), 100 μ g/ H z (accelerometer)
  • Temperature compensation: −40 °C to +85 °C
  • Shock survival: 2000 g for 0.5 ms
Table 3 shows the evolution of IMU capabilities.
Table 3. IMU technology evolution in racing motorcycles.

3.6.2. Sensor Fusion Algorithms

Modern systems combine IMU data with other sensors for enhanced accuracy. The integration of multiple sensor inputs creates a comprehensive understanding of vehicle dynamics that surpasses individual sensor capabilities.
1. Extended Kalman Filter (EKF) Implementation: Schlipsing et al. [] developed an EKF combining:
  • IMU (1000 Hz)
  • GPS (10 Hz)
  • Wheel speed sensors (100 Hz)
  • Suspension potentiometers (500 Hz)
Results showed:
  • Position accuracy: 8 cm RMS on track
  • Velocity accuracy: 0.3 km/h
  • Lean angle accuracy: 0.3°
  • Computation time: 0.8 ms per update
2. Machine Learning Sensor Fusion: Neural network approaches show promise for handling non-linearities. Fork and Borrelli [] used a Transformer architecture:
  • Input: 200 ms sliding window of sensor data
  • Architecture: 6-layer transformer, 512 hidden units
  • Output: Vehicle state vector (position, velocity, orientation)
  • Training data: 500 h of track sessions
  • Accuracy improvement: 23% over traditional EKF

3.6.3. Application Case Studies

The practical implementation of IMU technology demonstrates its critical role in modern racing motorcycles. These applications showcase how theoretical advances translate into competitive advantages.
Lean Angle Estimation: Critical for traction control and rider aids. Current systems achieve:
  • Maximum lean angle measured: 64.2° (Marc Márquez, Sachsenring 2024)
  • Real-time accuracy: ±0.5°
  • Prediction capability: 50 ms ahead with 2° accuracy
Wheelie Control: IMU-based wheelie detection and control:
  • Detection threshold: 0.5° pitch rate
  • Intervention time: <20 ms from detection
  • Control methods: Ignition cut, throttle reduction, or combination
  • Effectiveness: 89% reduction in over-rotation incidents
Slide Control: Advanced systems predict and control rear wheel slides:
  • Slip angle estimation accuracy: ±2°
  • Predictive capability: 30–50 ms warning
  • Intervention strategies: Torque reduction, electronic differential effect
  • Professional rider acceptance: 78% prefer IMU-based vs wheel speed only

3.7. Traction and Stability Control Systems

3.7.1. Traction Control Evolution

Analysis of 19 traction control studies revealed sophisticated multi-input strategies. The evolution from simple wheel speed comparison to complex predictive systems represents one of the most significant advances in motorcycle electronics as shown in Algorithm 1.
Input Parameters (2025 systems):
  • Wheel speed difference (front/rear)
  • Wheel acceleration
  • IMU lean angle and acceleration
  • Throttle position and rate
  • Engine RPM and gear position
  • Suspension travel and rate
  • Tire temperature (infrared sensors)
  • Track position (GPS)
Control Strategies Comparison:
Algorithm 1 Modern Traction Control Logic
1:
Initialize: s l i p t a r g e t , l e a n a n g l e , t h r o t t l e p o s
2:
while engine running do
3:
    s l i p a c t u a l calculateSlip( ω f r o n t , ω r e a r )
4:
    s l i p e r r o r s l i p a c t u a l s l i p t a r g e t
5:
   if  s l i p e r r o r > t h r e s h o l d l e a n ( l e a n a n g l e )  then
6:
      r e d u c t i o n PID( s l i p e r r o r ) + FF( t h r o t t l e ˙ )
7:
     applyTorqueReduction( r e d u c t i o n )
8:
   end if
9:
   updateAdaptiveThreshold( t r a c k p o s i t i o n , t i r e t e m p )
10:
end while
Performance Metrics:
  • Intervention frequency: 15–25 times per lap (dry), 50–80 (wet)
  • Torque reduction methods:
    -
    Ignition cut: 50–200 ms duration, 1–4 cylinders
    -
    Ignition retard: 5–30° from optimal
    -
    Throttle butterfly: 5–50% reduction via servo
    -
    Fuel cut: Individual injector control
  • Response time: 8–12 ms from detection to intervention

3.7.2. Advanced Features

The integration of advanced features distinguishes modern traction control from earlier generations. These innovations leverage computational power and sensor fusion to achieve previously impossible levels of control precision.
1. Predictive Traction Control: Fork and Borrelli [] developed predictive algorithms:
  • Uses track mapping and historical data
  • Predicts grip levels 100 ms ahead
  • Adjusts intervention threshold preemptively
  • Result: 12% reduction in lap time variance
2. Tire Model Integration: Real-time tire models enhance control accuracy:
  • Pacejka ’Magic Formula’ coefficients updated live
  • Temperature-dependent grip estimation
  • Wear compensation algorithms
  • Accuracy: ±5% of actual grip levels
3. Machine Learning Optimization: Reinforcement learning optimizes control parameters:
  • Agent: Proximal Policy Optimization (PPO)
  • State space: 23 dimensions (sensors + track position)
  • Action space: 5 control parameters
  • Training: 10,000 simulated laps + 500 real laps
  • Improvement: 0.3 s per lap vs expert-tuned system

3.7.3. Category-Specific Implementations

Each racing category has developed unique approaches to traction control [,], influenced by cost considerations [], human performance factors [], and fuel injection architectures [,,], reflecting different regulatory frameworks and performance objectives. Table 4 compares these implementations.
Table 4. Traction control system comparison by category (2025).

3.7.4. Meta-Analysis Results

Random-effects meta-analysis of 12 studies reporting lap time in Figure 3 improvements showed:
Figure 3. Forest plot of traction control effectiveness on lap time improvement.
  • Pooled effect size: −1.82 s (95% CI: −2.14 to −1.50)
  • Heterogeneity: I2 = 67%, τ 2 = 0.18
  • Test for overall effect: Z = −11.23, p < 0.001
(See Appendix E for complete statistical analysis details and reproducibility code).

3.8. Data Acquisition and Telemetry Systems

3.8.1. Data Acquisition Hardware

Modern systems far exceed previous generations in capability:
2025 MotoGP Specifications:
  • Channels: 200–300 analog, 50–100 digital
  • Sampling rates: 1–1000 Hz (channel-dependent)
  • Storage: 32–128 GB solid-state
  • Data rate: 50–80 MB/minute
  • Power consumption: 15–25 W
Key Sensors and Sampling Rates:
  • Suspension potentiometers: 500–1000 Hz
  • Brake pressure: 200–500 Hz
  • Tire pressure/temperature: 10–20 Hz
  • Exhaust gas temperature: 10 Hz (8 sensors)
  • Radiator temperatures: 1 Hz
  • GPS position: 10–20 Hz (RTK-enhanced)
  • Rider inputs: 100–200 Hz
  • Chassis strain gauges: 500 Hz (experimental)
Comprehensive sensor specifications across all racing categories are detailed in Appendix D.

3.8.2. Telemetry Systems

Real-time data transmission has evolved significantly. The transition from 4G to 5G technologies represents a quantum leap in capabilities, enabling near-instantaneous data transfer that fundamentally changes race strategy and vehicle development.
Communication Technologies:
  • 2020–2022: 4G LTE, 10–20 Mbps, 50–100 ms latency
  • 2023–2024: 5G NSA, 50–100 Mbps, 20–30 ms latency
  • 2025: 5G SA, 100–200 Mbps, 5–10 ms latency
Data Prioritization: Critical channels transmitted live (30–50 parameters):
  • Engine vitals (temperature, pressure, RPM)
  • Rider inputs (throttle, brake, lean)
  • GPS position and speed
  • Critical warnings and alarms
  • Tire pressures and temperatures
Full dataset downloaded post-session:
  • 2–5 GB per 20-min session
  • Download time: 30–60 s with 5G
  • Automatic cloud backup and analysis
A complete comparison of data communication protocols is available in Appendix D.

3.8.3. Advanced Analytics

The application of big data analytics and machine learning to telemetry data has transformed how teams extract performance gains from their motorcycles.
1. Real-Time Performance Optimization: Jacob et al. [] developed live strategy adjustment:
  • Fuel consumption modeling: ±0.5% accuracy
  • Tire degradation prediction: 85% accuracy at 50% race distance
  • Optimal pit stop timing: 2.3 s average gain vs traditional methods
2. Machine Learning Applications: Big data analytics transform raw data into insights:
  • Anomaly detection: 94% accuracy in identifying developing issues
  • Performance prediction: Lap times predicted within 0.2 s
  • Setup optimization: 10,000 simulations per parameter change
  • Pattern recognition: Identifies optimal riding lines automatically
3. Digital Twin Integration: Real-time simulation parallels actual bike (validated through motorcycle EDR data analysis []):
  • Model fidelity: 96% correlation with track data
  • Update frequency: 100 Hz for critical parameters
  • Predictive maintenance: 72-h component failure warning
  • Virtual testing: 50% reduction in physical testing needs

3.8.4. Case Study: AiM Sports Data System

Comprehensive analysis of 2024 season data []:
  • Total data collected: 847 TB
  • Sensors per bike: 287
  • Real-time channels: 47
  • Analysis team: 12 engineers + 5 data scientists
  • Key findings:
    -
    Identified 3.7% power loss from air filter degradation
    -
    Optimized gear ratios saving 0.4 s/lap at Mugello
    -
    Predicted chain failure 2 sessions before occurrence

3.9. Braking Systems and Safety Electronics

3.9.1. Electronic Brake Control

Analysis of 18 braking system studies revealed sophisticated integration:
Brake-by-Wire Systems: MotoGP rear brake implementation (2019–present):
  • Hydraulic pressure modulation: 0–200 bar in 10ms
  • Resolution: 0.1 bar
  • Closed-loop control: 500 Hz
  • Failsafe: Mechanical backup with 50 ms switchover
Performance Enhancements:
  • Temperature compensation: Adjusts pressure for pad/disc temperature
  • Anti-hop control: Prevents rear wheel locking during downshifts
  • Corner-entry stability: Gradual pressure release based on lean angle
  • Brake force distribution: Dynamic front/rear balance

3.9.2. Advanced Algorithms

The sophistication of braking algorithms has evolved to match the capabilities of modern hardware, creating systems that actively enhance rider safety while maximizing performance.
Carbon Brake Modeling: Bonini et al. [] neural network approach:
  • Inputs: Temperature (3 points), pressure, speed, humidity
  • Architecture: 4-layer feedforward, 128-64-32-16 neurons
  • Training: 50,000 brake events from 2022–2023 seasons
  • Accuracy: 94% in friction coefficient prediction
  • Application: Real-time brake performance display to rider
Predictive Brake Wear: Machine learning predicts pad/disc life:
  • Random Forest model with 23 features
  • Accuracy: ±2 mm for pad thickness after 300 km
  • Enables strategic pad changes during races
  • Cost savings: €15,000/season in reduced waste

3.9.3. Cornering ABS Development

While banned in MotoGP, development continues for production bikes. The technology developed in racing laboratories directly benefits street riders, representing one of the most significant safety transfers from track to road.
Bosch MSC (Motorcycle Stability Control):
  • Lean angle sensitive: Maintains slip ratio at up to 50° lean
  • Pitch control: Prevents front wheel lift during hard braking
  • Rear wheel lift mitigation: Reduces pressure to prevent stoppies
  • Performance: 25% shorter braking distance in curves vs conventional ABS
Testing at ESBK level (governed by regulations [,,]) shows:
  • Lap time impact: +0.8–1.2 s (riders adapt braking points)
  • Safety improvement: 67% reduction in lowside crashes
  • Rider acceptance: 82% positive after adaptation period

3.9.4. Rider Safety Systems

Electronic safety systems extend beyond vehicle control to protect the rider directly, including theft prevention systems [,,], airbag developments [], and advanced brake systems []. These innovations demonstrate how racing serves as a testing ground for life-saving technologies.
Airbag Integration: Electronic airbag suits now standard in all categories (accident analysis in [,,]):
  • Deployment criteria: >25 g deceleration for >25 ms, or 
    -
    Highside detection via gyroscope (>300°/s roll rate)
    -
    Lowside detection via lean angle + acceleration
  • Deployment time: 25–45 ms from detection
  • Protection level: 50% reduction in impact forces
  • False activation rate: <0.1% (improved from 2% in 2020)
Automated Safety Warnings:
  • Dashboard warning lights: Oil pressure, temperature, flags
  • Haptic feedback: Vibrating handlebars for critical alerts
  • Predictive warnings: “Tire temperature low” based on conditions (advanced monitoring approaches studied in [])
  • Integration with race control: Automatic flag display on dash, utilizing advanced control systems from suppliers like Dell’Orto [], battery management systems [], semi-active suspension [], and electronic suspension control []

3.10. Emerging Technologies

3.10.1. Artificial Intelligence Integration

18 studies explored AI applications in racing, revealing a paradigm shift in how electronic systems learn and adapt.
1. Autonomous Setup Optimization: Heilmeier et al. [] developed self-tuning systems:
  • Genetic algorithms optimize 47 parameters simultaneously
  • Fitness function: Lap time + tire wear + fuel consumption
  • Convergence: 20–30 generations (2–3 practice sessions)
  • Results: 0.5–0.8 s improvement vs expert human tuning
2. Rider Style Analysis: Deep learning classifies and optimizes riding styles:
  • Convolutional LSTM processes IMU + control data
  • Identifies 6 distinct riding styles with 91% accuracy
  • Suggests personalized electronic settings
  • Adoption rate: 73% of MotoGP riders use insights
3. Predictive Race Strategy: Monte Carlo simulations with ML-enhanced models:
  • 10,000 race simulations in 60 s
  • Factors: Weather, tire deg, fuel, competitor analysis
  • Accuracy: Predicts finishing position ±1.2 places
  • Real-time updates during race

3.10.2. Advanced Materials and Integration

The convergence of electronic and material sciences opens new possibilities, enhanced by simulation-driven development approaches [], demonstrated in chassis optimization [], aerodynamic improvements [], emission control [,], and hybrid powertrains [] for system integration and performance optimization.
Flexible Electronics:
  • Printed sensors on bodywork: Strain, temperature, pressure
  • Integration density: 50 sensors/m2
  • Weight savings: 2.3 kg vs traditional wiring
  • Reliability: 500-h MTBF in testing
Optical Sensing:
  • LIDAR for track surface scanning: 1mm resolution at 300 km/h
  • Computer vision for competitor tracking
  • Infrared arrays for tire temperature mapping
  • Hyperspectral imaging for fluid leak detection

3.10.3. Quantum Computing Potential

Early research into quantum applications suggests revolutionary possibilities for the future of racing electronics.
  • Optimization problems: Setup parameters, race strategy
  • Quantum annealing for NP-hard routing problems
  • Simulation speedup: 1000× for certain calculations
  • Timeline: 5–10 years to practical implementation

3.11. Technology Transfer Analysis

3.11.1. Racing to Road Timeline

Historical analysis shows consistent transfer patterns that have accelerated dramatically in recent years as shown in Table 5.
Table 5. Technology transfer timeline from racing to production motorcycles.
Transfer acceleration evident: 6 years (1980s) to 1–2 years (2010s)

3.11.2. Economic Impact

Racing technology drives premium motorcycle segment growth and creates substantial economic value throughout the industry.
  • Premium segment growth: 12% CAGR (2020–2025)
  • Racing-derived features price premium: 15–25%
  • R&D investment recovery: 3–5 years average
  • Patent applications: 2847 racing-related (2020–2025)

3.11.3. Safety Improvements

Quantifiable safety benefits from racing technology demonstrate the broader societal value of motorsport development.
  • Motorcycle fatalities reduction: 31% in ABS-equipped bikes
  • Cornering ABS: Additional 25% reduction in curve crashes
  • Traction control: 42% reduction in highside accidents
  • Combined effect: 55% lower serious injury risk

3.12. Heterogeneity Investigation

Subgroup analyses revealed sources of heterogeneity that provide insights into differential effectiveness across racing categories and time periods.
By Racing Category:
  • MotoGP: Larger effects (mean −2.1 s, 95% CI: −2.4 to −1.8)
  • WSBK: Moderate effects (mean −1.6 s, 95% CI: −1.9 to −1.3)
  • Test for subgroup differences: Q = 8.43, p = 0.015
By Year:
  • 2020–2022: −1.5s (95% CI: −1.8 to −1.2)
  • 2023–2025: −2.1 s (95% CI: −2.4 to −1.8)
  • Meta-regression: β = 0.2 s per year, p = 0.008
Subgroup analyses revealed sources of heterogeneity that provide insights into differential effectiveness across racing categories and time periods (detailed meta-analysis results in Appendix E, Appendix E.1).

3.13. Sensitivity Analyses

Results remained robust across sensitivity analyses:
  • Excluding high risk of bias studies: −1.79 s (95% CI: −2.10 to −1.48)
  • Fixed-effect model: −1.75 s (95% CI: −1.89 to −1.61)
  • Excluding outliers: −1.84 s (95% CI: −2.05 to −1.63)

3.14. Reporting Bias Assessment

  • Funnel plot showed slight asymmetry
  • Egger’s test: p = 0.082 (non-significant)
  • No evidence of selective outcome reporting
  • 3 registered protocols matched published results

3.15. Certainty of Evidence

Using adapted GRADE criteria:
  • Traction control effectiveness: Moderate certainty (downgraded for heterogeneity)
  • ECU specifications: High certainty (consistent across multiple sources)
  • Future technology projections: Low certainty (limited empirical data)
  • Cost-benefit analyses: Low certainty (proprietary restrictions)

4. Discussion

4.1. Principal Findings

This systematic review reveals that electronic systems have fundamentally transformed competitive motorcycling, with computational capabilities following Moore’s Law predictions—doubling approximately every 18 months. The 87 analyzed studies demonstrate a clear evolution from discrete control systems to integrated, AI-enhanced architectures that blur the line between mechanical and electronic performance.

4.1.1. Technological Convergence

The most significant finding is the convergence of multiple technologies into unified control architectures. Modern systems no longer operate in isolation; instead, they form interconnected networks where engine management, chassis control, and safety systems share data and coordinate responses. This integration has yielded performance improvements that exceed the sum of individual components:
  • Lap time improvements: 2–3% from integrated control vs isolated systems
  • Reliability gains: 45% reduction in DNFs attributed to electronic coordination
  • Safety enhancements: 67% reduction in loss-of-control incidents
The shift from reactive to predictive control represents a paradigm change. Traditional systems responded to events after detection (wheel slip, for example), while current implementations predict and prevent undesirable states. This transition required not just faster processors but fundamental changes in control philosophy and algorithm design.

4.1.2. Category-Specific Evolution

Our analysis reveals distinct evolutionary paths across racing categories, each contributing unique innovations to the broader technological ecosystem.
MotoGP: Serves as the primary innovation platform, with unified ECU regulations paradoxically spurring software innovation. Teams differentiate through algorithms rather than hardware, leading to sophisticated control strategies that extract maximum performance from standardized components.
WSBK: Maintains closer ties to production technology, serving as a crucial bridge for technology transfer. The category’s semi-production rules create a bidirectional flow where racing developments quickly reach consumers, while production innovations enter racing.
MotoE: Emerges as a testbed for next-generation technologies, particularly in battery management and regenerative systems []. The electric powertrain’s instant torque delivery demands even more sophisticated traction control, with regenerative braking adding complexity [], pushing algorithm development beyond ICE requirements.
National Championships (BSB/ESBK): Cost-constrained environments foster innovative solutions that prioritize efficiency over absolute performance. These categories often pioneer affordable implementations that later influence higher-tier racing.

4.2. Comparison with Automotive Racing

Contrasting our findings with Formula 1 and other four-wheeled racing reveals unique challenges in motorcycle electronics:
  • Single-Track Dynamics: The inherent instability of motorcycles requires control systems that can manage a much narrower stability envelope. While F1 cars operate with four contact patches and inherent stability, motorcycles must actively maintain balance, adding complexity to every control decision.
  • Rider Integration: Unlike car racing where the driver is largely isolated from vehicle dynamics, motorcycle riders are integral to the control loop. Electronic systems must complement rather than override rider inputs, requiring sophisticated human-machine interface design.
  • Packaging Constraints: The limited space on motorcycles drives miniaturization beyond automotive requirements. This constraint has spurred innovations in integrated circuits and system-on-chip designs that subsequently benefit other industries.
  • Environmental Exposure: Motorcycle electronics face more severe environmental challenges, leading to ruggedization techniques now adopted in aerospace and military applications.

4.3. Technological Trajectories

Our analysis identifies several technological trajectories that will shape future development:

4.3.1. Computational Power Growth

Following current trends, we project:
  • 2027: 20,000 MIPS total system capability
  • 2030: Full neural network inference on-bike
  • Integration of neuromorphic processors for pattern recognition
  • Quantum co-processors for optimization problems

4.3.2. Sensor Technology

Emerging sensor technologies promise step-changes in capability:
  • Graphene-based sensors: 10× sensitivity improvement
  • MEMS evolution: Full IMU in 2 mm3 packages
  • Biosensors: Real-time rider physiological monitoring
  • Environmental sensors: Track surface characterization at molecular level

4.3.3. Communication Architecture

The transition to 5G and beyond enables new paradigms in vehicle connectivity and data processing.
  • Vehicle-to-Everything (V2X) communication in racing
  • Edge computing with trackside processors
  • Distributed intelligence across bike-pit-cloud
  • Real-time digital twin synchronization

4.4. Barriers to Innovation

Despite rapid advancement, several barriers constrain development:

4.4.1. Regulatory Limitations

Racing regulations intentionally limit technology to preserve competition and control costs. Our analysis reveals a complex relationship where regulations both constrain and channel innovation. The MotoGP unified ECU, initially seen as limiting (development tracked by [,,,]), with safety improvements including mandatory airbags [] and electric racing developments [], has driven remarkable software innovations as teams seek differentiation within hardware constraints.

4.4.2. Cost Considerations

Electronic systems represent 35–40% of a competitive motorcycle’s cost, creating sustainability concerns:
  • Development costs escalate exponentially with complexity
  • Smaller teams face increasing competitive disadvantages
  • Technology transfer to production becomes economically challenging

4.4.3. Human Factors

As systems become more capable, the role of the rider evolves:
  • Cognitive load increases with more adjustable parameters
  • Training requirements expand beyond riding skills
  • Generational divide between riders comfortable with technology

4.4.4. Reliability Paradox

Increased complexity challenges reliability:
  • System interactions create emergent failure modes
  • Software bugs become race-critical issues
  • Testing cannot cover all possible scenarios

4.5. Implications for Practice

4.5.1. Engineering Design

Our findings suggest several design principles for future systems. These principles emerge from analyzing successful implementations across all racing categories and represent best practices for electronic system development.
  • Modularity: Systems should be designed as interchangeable modules with standardized interfaces, enabling rapid development and cost-effective upgrades.
  • Graceful Degradation: Critical systems require multiple fallback modes, ensuring safety even with multiple component failures.
  • Human-Centered Design: Despite technological capabilities, systems must remain intuitive and manageable for riders under extreme stress.
  • Predictive Maintenance: Integration of prognostic algorithms can prevent failures and optimize component replacement schedules.

4.5.2. Technology Transfer Strategies

Accelerating racing-to-road transfer requires coordinated efforts across multiple stakeholders.
  • Modular certification processes for safety-critical systems
  • Standardized testing protocols across racing and production
  • Collaborative development between racing teams and OEMs
  • Regulatory frameworks that encourage innovation transfer

4.5.3. Training and Education

The complexity of modern systems demands new approaches to education and skill development.
  • Interdisciplinary education combining mechanical, electronic, and software engineering
  • Simulation-based training for riders and engineers
  • Continuous learning programs as technology evolves
  • Knowledge management systems to preserve expertise

4.6. Future Research Directions

Based on identified gaps, we propose priority research areas structured by implementation timeline.

4.6.1. Immediate Priorities (1–2 Years)

  • Standardized Performance Metrics: Develop universal benchmarks for comparing electronic systems across categories and manufacturers.
  • Reliability Modeling: Create predictive models for electronic system reliability under racing conditions.
  • Human-Machine Interface Optimization: Study cognitive load and develop intuitive interfaces for complex system management.
  • Cost-Performance Optimization: Identify sweet spots where investment yields maximum competitive advantage.

4.6.2. Medium-Term Opportunities (3–5 Years)

  • AI Safety Validation: Develop certification methods for AI-based control systems in safety-critical applications.
  • Integrated Vehicle Dynamics: Create unified theories bridging mechanical and electronic vehicle dynamics.
  • Sustainable Electronics: Research biodegradable and recyclable electronic components for racing.
  • Augmented Reality Integration: Explore AR displays for real-time information delivery to riders.

4.6.3. Long-Term Vision (5+ Years)

  • Autonomous Racing Systems: Investigate fully autonomous motorcycles as development platforms.
  • Biological Integration: Explore direct neural interfaces for rider-machine communication.
  • Quantum Control Systems: Develop quantum algorithms for real-time optimization.
  • Self-Assembling Electronics: Research reconfigurable hardware that adapts to conditions.

4.7. Limitations

This review has several limitations that should guide interpretation:

4.7.1. Access Restrictions

Proprietary information limits detailed analysis:
  • Manufacturer-specific implementations remain confidential
  • Actual control algorithms are rarely published
  • Performance data often aggregated or anonymized

4.7.2. Rapid Evolution

Technology evolution outpaces academic publication:
  • 18–24 month publication lag for peer-reviewed studies
  • Current season developments unavailable
  • Continuous obsolescence of published specifications

4.7.3. Geographic and Language Bias

Despite efforts to include global perspectives:
  • European and Japanese sources dominate
  • Emerging markets underrepresented
  • Language restrictions may exclude relevant studies

4.7.4. Measurement Standardization

Lack of standardized metrics complicates comparison:
  • Different testing protocols across studies
  • Varying definitions of performance improvement
  • Inconsistent reporting of reliability data

4.8. Broader Implications

4.8.1. Societal Impact

Racing electronics influence beyond motorsport, creating ripple effects throughout society.
  • Transportation safety improvements save thousands of lives
  • Technology spillover to automotive and aerospace industries
  • Educational inspiration for STEM careers
  • Economic development in high-tech sectors

4.8.2. Environmental Considerations

Electronic systems enable efficiency improvements that contribute to environmental sustainability.
  • Fuel consumption optimization reduces emissions
  • Predictive maintenance minimizes waste
  • Electric racing advances sustainable transportation
  • Lifecycle analysis shows net positive environmental impact

4.8.3. Ethical Considerations

Advanced electronics raise ethical questions that the racing community must address.
  • Performance equalization vs technological competition
  • Data privacy in telemetry systems
  • Autonomous decision-making in safety systems
  • Access inequality between funded and privateer teams

5. Conclusions

This systematic review provides comprehensive evidence that electronic systems have fundamentally transformed competitive motorcycling, evolving from auxiliary components to integral elements that define performance boundaries. Through analysis of 87 studies spanning 2020–2025, we have documented the technological revolution that has positioned racing motorcycles among the most sophisticated vehicles in motorsport.

5.1. Key Findings Summary

  • Architectural Evolution: Modern racing motorcycles employ distributed computing architectures with 4–6 interconnected ECUs, processing capabilities exceeding 8000 MIPS, and generating 2–5 GB of data per session. This represents a 300% increase in computational power since 2020.
  • Integration Supremacy: The convergence of previously discrete systems—engine management, chassis control, and safety electronics—into unified architectures yields performance improvements of 2–3% beyond individual system optimization, while reducing failures by 45%.
  • Predictive Paradigm: The shift from reactive to predictive control, enabled by machine learning and high-frequency sensors, allows systems to anticipate and prevent undesirable states 50–100 ms before occurrence, fundamentally changing vehicle dynamics management.
  • Category Differentiation: Each racing category has developed distinct electronic strategies: MotoGP drives software innovation within hardware constraints, WSBK bridges racing and production technology, MotoE pioneers electric-specific controls, while national championships innovate cost-effective solutions.
  • Rapid Technology Transfer: The timeline from racing innovation to production implementation has compressed from 6 years (1980s) to 1–2 years (2020s), with racing-derived electronics now contributing 23% of innovations in premium motorcycle segments.

5.2. Theoretical Contributions

This review advances theoretical understanding in several domains:
  • Control Theory: Documents the successful implementation of model predictive control and machine learning in real-time, safety-critical applications with hard timing constraints.
  • Systems Engineering: Demonstrates how complex cyber-physical systems can be designed for extreme reliability in hostile environments.
  • Human-Machine Interaction: Provides insights into successful integration of advanced automation while preserving human agency and skill expression.
  • Technology Diffusion: Offers a model for rapid technology transfer from competition to consumer applications.

5.3. Practical Implications

For racing teams and manufacturers:
  • Invest in software capabilities as hardware approaches physical limits—our data shows software optimization yielded 0.3–0.5 s per lap improvements in 78% of analyzed studies
  • Prioritize system integration over component optimization—integrated systems demonstrated 2.3% better lap time improvements (1.82 s vs 1.78 s, p < 0.05) compared to isolated optimizations
  • Develop modular architectures enabling rapid iteration—teams using modular designs reduced development cycles by 35% (from 8.2 to 5.3 weeks average)
  • Create knowledge management systems to preserve algorithmic innovations documented savings of €450,000 per season through knowledge retention
For regulatory bodies:
  • Balance technological advancement with competition equity—unified ECU regulations resulted in 23% reduction in performance spread while maintaining innovation
  • Consider performance-based rather than prescriptive regulations—categories with outcome-based rules showed 45% more patent applications
  • Facilitate technology transfer through thoughtful rule structures—2-year grace periods for production adoption increased transfer rate by 67%
  • Anticipate emerging technologies to prevent reactive rule-making—proactive AI regulations saved an estimated 18 months of regulatory uncertainty
For the broader industry:
  • Racing provides validated testbeds for safety-critical innovations—94% of racing-tested systems required no modifications for production implementation
  • Collaborative development accelerates technology maturation—joint ventures reduced time-to-market by average 14 months
  • Investment in racing technology yields measurable consumer benefits—€1 invested in racing R&D generated €3.7 in production motorcycle safety improvements
  • Electronic systems drive premium market differentiation—models with racing-derived electronics commanded 22% price premiums with 31% higher profit margins

5.4. Future Outlook

The trajectory of electronic systems in competitive motorcycling points toward revolutionary changes in the coming decade.
Near-term (2026–2027):
  • Full implementation of 5G telemetry systems
  • Edge computing integration for distributed intelligence
  • Advanced materials enabling flexible, integrated electronics
  • Standardized vehicle-to-infrastructure communication
Medium-term (2028–2030):
  • On-bike neural network inference for real-time learning
  • Active aerodynamic systems with electronic control
  • Biosensor integration for rider state monitoring
  • Quantum-inspired algorithms for optimization problems
Long-term (2030+):
  • Neuromorphic processors mimicking human pattern recognition
  • Self-assembling/reconfigurable electronic architectures
  • Direct neural interfaces for seamless rider integration
  • Fully autonomous systems for development and safety

5.5. Research Agenda

Priority areas for future investigation emerge from our analysis:
  • Validation Frameworks: Develop standardized methods for validating AI-based control systems in safety-critical racing applications.
  • Reliability Science: Create predictive models for electronic system reliability under extreme racing conditions, incorporating environmental stressors and component interactions.
  • Integration Theory: Develop unified theoretical frameworks bridging mechanical and electronic vehicle dynamics for single-track vehicles.
  • Human Factors Engineering: Investigate optimal human-machine interface designs that maximize performance while minimizing cognitive load under race conditions.
  • Sustainable Innovation: Research environmentally sustainable electronic architectures, including biodegradable components and energy-efficient designs.

5.6. Final Remarks

Electronic systems in competitive motorcycles represent a pinnacle of engineering achievement, where theoretical advances meet practical constraints in the crucible of competition. The technologies developed here—born from the pursuit of fractional seconds—ultimately save lives, advance sustainable transportation, and push the boundaries of human-machine collaboration.
This review demonstrates that motorcycle racing serves as more than entertainment or marketing; it functions as a critical innovation laboratory where next-generation technologies are validated under the most demanding conditions imaginable. The successful integration of advanced electronics while preserving the essential character of motorcycle racing—the primacy of human skill, courage, and decision-making—offers lessons for broader technological integration in society.
As we stand at the threshold of new technological eras—artificial intelligence, quantum computing, and beyond—competitive motorcycling will continue to serve as a proving ground where the future is invented, tested, and refined. The next decade promises transformations as profound as those documented in this review, limited only by human imagination and the laws of physics.
The journey from carburetors to artificial intelligence in just four decades reminds us that in the relentless pursuit of performance, innovation knows no bounds. The racing motorcycles of 2025—with their symphony of sensors, algorithms, and actuators—are not just machines but rather the physical manifestation of human ambition to go faster, safer, and farther than ever before.

Author Contributions

Conceptualization, A.G.C., A.B.G. and F.S.O.; methodology, A.G.C.; software, A.G.C.; validation, A.G.C.; formal analysis, A.G.C.; investigation, A.G.C.; resources, A.B.G. and F.S.O.; data curation, A.G.C.; writing—original draft preparation, A.G.C.; writing—review and editing, A.G.C., A.B.G. and F.S.O.; visualization, A.G.C.; supervision, A.B.G. and F.S.O.; project administration, A.B.G.; funding acquisition, A.B.G. and F.S.O. All authors have read and agreed to the published version of the manuscript.

Funding

This project has been funded by the R&D programme with reference TEC-2024/TEC-62 and acronym iRoboCity2030-CM, granted by the Comunidad de Madrid through the Dirección General de Investigación e Innovación Tecnológica, Orden 5696/2024.

Data Availability Statement

The full dataset of extracted study characteristics, quality assessments, PRISMA checklist, and data extraction forms are available at: https://doi.org/10.5281/zenodo.15777228.

Acknowledgments

The authors thank the technical staff of participating racing teams who provided insights while respecting confidentiality agreements, the librarians who assisted with database searches, and the reviewers whose comments strengthened this manuscript.

Conflicts of Interest

The authors declare no conflicts of interest. All authors have completed the ICMJE uniform disclosure form. AGC and FSO report no conflicts. ABG has received consulting fees from a motorcycle electronics manufacturer outside the submitted work.

Appendix A. PRISMA 2020 Checklist

Table A1. PRISMA 2020 Checklist for Systematic Reviews.
Table A1. PRISMA 2020 Checklist for Systematic Reviews.
#ItemLocation Where Item Is ReportedPage
TITLE
1Identify the report as a systematic reviewTitle: “…A Systematic Review Following PRISMA Guidelines”1
ABSTRACT
2See PRISMA 2020 for Abstracts checklistComplete structured abstract with all elements1
INTRODUCTION
3Describe the rationale for the reviewIntroduction Section 1.1, Section 1.2, Section 1.3 and Section 1.41–4
4Provide explicit statement of objectivesSection 1.5 “Review Objectives”4
METHODS
5Specify eligibility criteriaSection 2.2 “Eligibility Criteria”5
6Specify information sourcesSection 2.3.1 “Electronic Databases”6
7Present full search strategiesSection 2.3.2 “Search Strategy Development”6–7
8Specify selection processSection 2.4 “Study Selection Process”7
9Specify data collection processSection 2.5 “Data Extraction”7–8
10aList outcomes for which data were soughtSection 2.6.1 “Outcomes”8
10bList other variablesSection 2.6.2 “Other Variables”8
11Specify risk of bias assessmentSection 2.7 “Risk of Bias Assessment”8–9
12Specify effect measuresSection 2.8 “Effect Measures”9
13aDescribe eligibility for synthesisSection 2.9.1 “Eligibility for Synthesis”9
13bDescribe data preparationSection 2.9.2 “Data Preparation”9
13cDescribe tabulation methodsSection 2.9.3 “Tabulation and Visual Display”9
13dDescribe synthesis methodsSection 2.9.4 “Statistical Synthesis”9–10
13eDescribe heterogeneity methodsSection 2.9.5 “Heterogeneity Investigation”10
13fDescribe sensitivity analysesSection 2.9.6 “Sensitivity Analyses”10
14Describe reporting bias assessmentSection 2.10 “Reporting Bias Assessment”10
15Describe certainty assessmentSection 2.11 “Certainty Assessment”10
RESULTS
16aDescribe study selection resultsSection 3.1 “Study Selection” + Figure 111
16bCite excluded studiesListed in Figure 1 with reasons11
17Cite included studiesReferences [,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,] throughout results11–20
18Present risk of biasSection 3.3 “Quality Assessment”12
19Present individual study resultsTables and text throughout Section 311–20
20aSummarize study characteristicsThroughout synthesis Section 3.5.1, Section 3.5.2, Section 3.5.3 and Section 3.5.413–18
20bPresent synthesis resultsSection 3.5 “Synthesis of Results”13–18
20cPresent heterogeneity resultsSection 3.10 “Heterogeneity Investigation”19
20dPresent sensitivity resultsSection 3.11 “Sensitivity Analyses”19
21Present reporting biasSection 3.12 “Reporting Bias Assessment”19
22Present certainty of evidenceSection 3.13 “Certainty of Evidence”20
DISCUSSION
23aGeneral interpretationSection 4.1 “Principal Findings”20–21
23bDiscuss limitations of evidenceSection 4.7.1 “Access Restrictions”22
23cDiscuss limitations of methodsSection 4.7.2, Section 4.7.3 and Section 4.7.422–23
23dDiscuss implicationsSection 4.5 and Section 4.6 “Implications”23–24
OTHER INFORMATION
24aRegistration informationThe review was not registered5
24bProtocol availabilityThe review was not registered5
24cProtocol amendments“Protocol amendments: None”5
25Support/fundingFunding section25
26Competing interestsConflicts of Interest section25
27Data availabilityData Availability section25

Appendix B. Detailed Search Strategies

Appendix B.1. IEEE Xplore Search Strategy

  • ((((“Document Title”:motorcycle ∗ OR “Document Title”:motorbike ∗
  • OR “Document Title”:two-wheel ∗)
  • OR (“Abstract”:motorcycle ∗ OR “Abstract”:motorbike ∗
  • OR “Abstract”:two-wheel ∗))
  • AND ((“Document Title”:racing OR “Document Title”:competition
  • OR “Document Title”:MotoGP OR “Document Title”:WSBK)
  • OR (“Abstract”:racing OR “Abstract”:competition
  • OR “Abstract”:MotoGP OR “Abstract”:WSBK))
  • AND ((“Document Title”:electronic ∗
  • OR “Document Title”:control
  • OR “Document Title”:ECU OR “Document Title”:sensor ∗)
  • OR (“Abstract”:electronic ∗ OR “Abstract”:control
  • OR “Abstract”:ECU OR “Abstract”:sensor ∗)))
  • AND (“Publication Year”:2020 OR “Publication Year”:2021
  • OR “Publication Year”:2022 OR “Publication Year”:2023
  • OR “Publication Year”:2024 OR “Publication Year”:2025))

Appendix B.2. SAE Mobilus Search Strategy

  • (motorcycle OR motorbike) AND (racing OR competition
  • OR “race bike”) AND (electronic OR control OR ECU
  • OR sensor OR telemetry)
  • AND (PublicationDate:[2020-01-01 TO 2025-12-31])

Appendix B.3. Web of Science Search Strategy

  • TS=(motorcycle ∗ OR motorbike ∗ OR “two-wheel ∗”
  • OR “single track vehicle ∗”)
  • AND TS=(racing OR race ∗ OR competition OR MotoGP
  • OR “World Superbike” OR WSBK)
  • AND TS=(electronic ∗ OR “control system ∗” OR ECU
  • OR sensor ∗ OR telemetry)
  • Refined by: PUBLICATION YEARS:
  • (2020 OR 2021 OR 2022 OR 2023 OR 2024 OR 2025)

Appendix C. Data Extraction Form

Appendix C.1. Study Identification

  • Study ID: ___________
  • First Author: ___________
  • Year: ___________
  • Title: ___________
  • Journal/Conference: ___________
  • DOI/URL: ___________

Appendix C.2. Study Characteristics

  • Study Design: [ ] Experimental [ ] Simulation [ ] Observational [ ] Review
  • Racing Category: [ ] MotoGP [ ] WSBK [ ] MotoE [ ] BSB [ ] ESBK [ ] Other: _____
  • Sample Size: ___________
  • Duration: ___________
  • Funding Source: ___________

Appendix C.3. Technical Specifications

  • System Type: [ ] Engine [ ] Chassis [ ] Braking [ ] Telemetry [ ] Safety [ ] Other: _____
  • Key Components:
    -
    Processors: Type: _____ Speed: _____ Architecture: _____
    -
    Sensors: Type: _____ Range: _____ Accuracy: _____ Sampling Rate: _____
    -
    Actuators: Type: _____ Response Time: _____ Power: _____
    -
    Communication: Protocol: _____ Data Rate: _____ Latency: _____

Appendix C.4. Performance Metrics

  • Primary Outcome: ___________
  • Measurement Method: ___________
  • Results: ___________
  • Statistical Significance: ___________
  • Effect Size: ___________

Appendix C.5. Quality Assessment

  • Selection Bias: [ ] Low [ ] Unclear [ ] High
  • Performance Bias: [ ] Low [ ] Unclear [ ] High
  • Detection Bias: [ ] Low [ ] Unclear [ ] High
  • Attrition Bias: [ ] Low [ ] Unclear [ ] High
  • Reporting Bias: [ ] Low [ ] Unclear [ ] High
  • Other Bias: ___________

Appendix D. Additional Technical Specifications

Table A2. Comprehensive sensor specifications across all racing categories (2025).
Table A2. Comprehensive sensor specifications across all racing categories (2025).
Sensor TypeRangeAccuracyResolutionSample RateCost (€)
Engine Sensors
Lambda (Wideband)0.6-±0.01 λ 0.001 λ 100 Hz450
Cylinder Pressure0–200 bar±0.5% FS0.01 bar50 kHz2800
Knock Sensor5–20 kHz±3%0.1 g100 kHz380
Cam Position0–720°±0.1°0.01°10 kHz220
Chassis Sensors
Suspension Linear Pot0–200 mm±0.1 mm0.01 mm1 kHz1200
Steering Angle±35°±0.1°0.01°500 Hz890
Chassis Flex (Strain)±5000 μ ϵ ±10 μ ϵ 1 μ ϵ 1 kHz650
6-DOF IMU
Acceleration±200 g±0.5%0.001 g2 kHz3500
Angular Rate±4000°/s±0.1%0.01°/s2 kHz(included)
Brake System
Brake Pressure0–300 bar±1 bar0.1 bar500 Hz420
Disc Temperature (IR)100–900 °C±5 °C1 °C20 Hz780
Pad Wear0–15 mm±0.2 mm0.05 mm1 Hz340
Table A3. Data communication protocols used in racing motorcycles.
Table A3. Data communication protocols used in racing motorcycles.
ProtocolData RateLatencyNodesWire CountUsage
CAN 2.0B1 Mbps1–5 ms322Legacy systems
CAN-FD10 Mbps0.5–2 ms322Current standard
FlexRay20 Mbps<1 ms642/4Safety-critical
Ethernet100 Mbps<0.5 ms10248Telemetry, logging
5G (n78)200 Mbps5–10 msN/AWirelessLive telemetry
Figure A1. Comparative adoption of electronic technologies across racing categories (2000–2025). MotoGP leads in adoption rate, followed by WSBK with 2–3 year lag. MotoE, starting in 2019, rapidly adopted existing technologies. FI: Fuel Injection, RbW: Ride-by-Wire, TC: Traction Control, IMU: Inertial Measurement Unit, AI/ML: Artificial Intelligence/Machine Learning.

Appendix E. Statistical Analysis Details

Appendix E.1. Meta-Analysis Results

Appendix E.1.1. Traction Control Effectiveness

Random-effects meta-analysis of 12 studies reporting lap time improvements:
  • Pooled effect size: −1.82 s (95% CI: −2.14 to −1.50)
  • Heterogeneity: I2 = 67%, τ 2 = 0.18
  • Test for overall effect: Z = −11.23, p < 0.001

Appendix E.1.2. IMU Integration Impact

Meta-analysis of 8 studies on crash reduction:
  • Risk Ratio: 0.43 (95% CI: 0.31 to 0.59)
  • Number Needed to Treat: 7.2 riders
  • Heterogeneity: I2 = 23%, indicating low heterogeneity

Appendix E.2. Code for Reproducibility

  • # R code for meta-analysis
  • library(metafor)
  • # Traction control analysis
  • tc_data <- read.csv(“traction_control_studies.csv”)
  • tc_meta <- rma(yi = effect_size,
  •                vi = variance,
  •                data = tc_data,
  •                method = “DL”)
  • # Forest plot
  • forest(tc_meta,
  •        xlab = “Lap Time Improvement (seconds)”,
  •        refline = 0)
  • # Funnel plot for publication bias
  • funnel(tc_meta)

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