Special Issues

Machines publishes Special Issues to create collections of papers on specific topics, with the aim of building a community of authors and readers to discuss the latest research and develop new ideas and research directions. Special Issues are led by Guest Editors, who are experts on the topic and all Special Issue submissions follow MDPI's standard editorial process. The journal’s Editor-in-Chief and/or designated Editorial Board Member will oversee Guest Editor appointments and Special Issue proposals, checking their content for relevance and ensuring the suitability of the material for the journal. The papers published in a Special Issue will be collected and displayed on a dedicated page of the journal’s website. Further information on MDPI's Special Issue policies and Guest Editor responsibilities can be found here. For any inquiries related to a Special Issue, please contact the Editorial Office.

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Signal Processing and Artificial Intelligence Technology for High-End Equipment Fault Diagnosis (2nd Edition)
edited by Bingyan Chen, Yao Cheng and
submission deadline 31 Jan 2026 | 1 articles | Viewed by 1001 | Submission Open
Keywords: signal processing; artificial intelligence; machine learning; machine condition monitoring; machine fault diagnosis; high-end equipment
(This special issue belongs to the Section Machines Testing and Maintenance)
Mechanism and Machine Science for Sustainable Development Goals: Contributions from the I4SDG 2025 Conference submission deadline 31 Jan 2026 | 1 articles | Viewed by 622 | Submission Open
Keywords: robotics and mechatronics; green tribology; gearing and transmissions; rotordynamics and multibody dynamics; engines and powertrains; sustainable energy systems
Dynamic Analysis and Condition Monitoring of High-Speed Trains
edited by
submission deadline 31 Jan 2026 | 1 articles | Viewed by 545 | Submission Open
Keywords: dynamics modelling; intelligent fault diagnosis; vibration analysis; condition monitoring
(This special issue belongs to the Section Vehicle Engineering)
Automated Vehicles Safety System submission deadline 31 Jan 2026 | Viewed by 464 | Submission Open
Keywords: autonomous vehicles; safety systems; sensor fusion; decision-making algorithms; AI-based risk assessments; vehicle-to-everything communication; cybersecurity; validation and testing
(This special issue belongs to the Section Automation and Control Systems)
Digital Twins and Intelligent Systems for Condition-Based Industrial Maintenance
edited by , , , Muftooh Siddiqi and
submission deadline 31 Jan 2026 | Viewed by 328 | Submission Open
Keywords: digital twins; condition-based maintenance (CBM); predictive maintenance; machine learning and AI in maintenance; fault detection and diagnostics; remaining useful life (RUL) estimation; life cycle cost modelling; sustainable maintenance strategies; intelligent decision support; prognostics and health management (PHM); data-driven maintenance systems; maintenance planning optimisation; Industrial Internet of Things (IIoT); smart manufacturing; cyber– physical systems
(This special issue belongs to the Section Machines Testing and Maintenance)
Green Fault Diagnosis: Energy-Efficient and Eco-Friendly Machinery Maintenance
edited by Ming Zeng, and Zhiyi He
submission deadline 31 Jan 2026 | Viewed by 216 | Submission Open
Keywords: fault diagnosis; machinery maintenance; digital twin; internet of things; edge computing; self-powered sensor; machine learning; data fusion
(This special issue belongs to the Section Machines Testing and Maintenance)
Design and Control of Compliant, Energy-Efficient Mechatronic and Robotic Systems submission deadline 31 Jan 2026 | Viewed by 202 | Submission Open
Keywords: compliant robots; robots design; robots control; energy-efficient systems
(This special issue belongs to the Section Robotics, Mechatronics and Intelligent Machines)
Recent Advances in Machinery Condition Monitoring and Fault Diagnosis: From Typical Algorithms to the Era of AI Blooming
edited by and Emiliano Mucchi
submission deadline 31 Jan 2026 | Viewed by 187 | Submission Open
Keywords: condition monitoring; fault diagnosis; class imbalance; maintenance; AI-based solutions; shallow and deep learning algorithms; early fault detection
(This special issue belongs to the Section Machines Testing and Maintenance)
Advances in Fault Diagnosis and Predictive Maintenance of Electrical Machines
edited by Bilal Asad, Muhammad Usman Naseer and
submission deadline 31 Jan 2026 | Viewed by 185 | Submission Open
Keywords: condition monitoring; data-driven techniques; digital twin; electrical machines; fault detection; fault diagnosis; hybrid models; industrial applications; machine learning; motor faults; predictive maintenance; real-time monitoring; sensor-based diagnostics; signal processing
(This special issue belongs to the Section Electrical Machines and Drives)
Flow Control and Aerodynamic Performance of Axial Flow Turbine
edited by Dhuree Seth and
submission deadline 31 Jan 2026 | Viewed by 169 | Submission Open
Keywords: axial flow turbine; flow control; aerodynamic performance; secondary flows; tip leakage; boundary layer separation; wake mixing; passive control techniques; active flow control; turbine efficiency
(This special issue belongs to the Section Machine Design and Theory)
Advanced Design, Control, and Optimization for Parallel Manipulators
edited by
submission deadline 31 Jan 2026 | Viewed by 150 | Submission Open
Keywords: novel architectures and topologies for parallel manipulators; kinematic and dynamic modeling techniques; trajectory planning and motion optimization; AI-augmented model predictive control; fault diagnosis and robust control
(This special issue belongs to the Section Machine Design and Theory)
Adaptive Human–Machine Networks
edited by Jiangbo Yu
submission deadline 31 Jan 2026 | Viewed by 134 | Submission Open
Keywords: machine learning; adaptive systems; human– machine collaboration; distributed intelligence; multi-agent systems; human-in-the-loop; cyber– physical– social systems; sociotechnical systems; reinforcement learning; trustworthy AI; self-organizing systems; resilient networks; human-centered AI; ethical AI systems
(This special issue belongs to the Section Automation and Control Systems)
Control Engineering and Artificial Intelligence
edited by and Zhengtao Ding
submission deadline 15 Feb 2026 | Viewed by 72 | Submission Open
Keywords: control engineering; artificial intelligence; intelligent automation; automated guided vehicles; factory modeling and automation; flexible manufacturing systems; robotics; mechatronics
(This special issue belongs to the Section Automation and Control Systems)
Innovations in the Design, Simulation, and Manufacturing of Production Systems submission deadline 28 Feb 2026 | 14 articles | Viewed by 48229 | Submission Open
Keywords: advanced manufacturing; AR/VR technology; collaborative system; condition monitoring; digital transformation; digital twin; drive units; finite element modeling; industrial growth; industrial robotics; industry 4.0; intelligent systems; machine tools; maintenance service; mechatronics; metalworking equipment; model-based systems engineering; numerical simulation; process innovation; product innovation; quality assurance; rotary machines; smart manufacturing; sustainable manufacturing; transport machines and logistics
(This special issue belongs to the Section Advanced Manufacturing)
Smart Manufacturing and Beyond: Bridging Innovation in Industry 4.0 and 5.0
edited by and Sara Masoud
submission deadline 28 Feb 2026 | 11 articles | Viewed by 37386 | Submission Open
Keywords: Industry 5.0; Industry 4.0; smart manufacturing; advanced manufacturing; cognitive manufacturing systems
(This special issue belongs to the Section Advanced Manufacturing)
Compensation for Geometric Errors and Improvement in Accuracy Through Innovative Design and Advanced Control Strategies
edited by
submission deadline 28 Feb 2026 | 4 articles | Viewed by 11662 | Submission Open
Keywords: geometric error compensation; advanced control systems; precision engineering; error modeling and prediction; real-time error correction; image processing for accuracy; sensor fusion for precision; thermal error compensation; control system
(This special issue belongs to the Section Machines Testing and Maintenance)
Wound Field and Less Rare-Earth Electrical Machines in Renewables submission deadline 28 Feb 2026 | 4 articles | Viewed by 11307 | Submission Open
Keywords: machine topology; design and analysis; modeling; optimization; multi-physics; control; electrical-excited; wound field; wound rotor; brushless; field-excited; hybrid-excited; less rare earth; rare earth-free; fault tolerance; electric vehicle; wind power generation; multiphase; synchronous condenser; hygrogenerators; DC-excited; renewable energy
(This special issue belongs to the Section Electrical Machines and Drives)
Design and Control of Assistive Robots submission deadline 28 Feb 2026 | 4 articles | Viewed by 10289 | Submission Open
Keywords: assistive robots; soft robotics; social robotics for assistance; human-robot interaction; autonomous and semi-autonomous assistive robots
(This special issue belongs to the Section Automation and Control Systems)
Cutting-Edge Research in Tribology and Its Applications to Rolling Element Bearings
edited by Dongwu Li and Yaguang Wu
submission deadline 28 Feb 2026 | 5 articles | Viewed by 9796 | Submission Open
Keywords: tribology; rolling element bearings; friction; wear; lubrication; contact; surface engineering
(This special issue belongs to the Section Friction and Tribology)
Digital Twins Applications in Manufacturing Optimization
edited by Lelio Campanile, and
submission deadline 28 Feb 2026 | 3 articles | Viewed by 8328 | Submission Open
Keywords: digital twins; smart manufacturing; predictive maintenance; modeling and simulation; IoT edge architecture; machine learning
(This special issue belongs to the Section Advanced Manufacturing)
Climbing Robots and Autonomous Systems: Mechanisms, Intelligence, and Real-World Applications
edited by Weinan Chen, Haifei Zhu, Xuefeng Zhou, Chaoqun Wang and Qiang Li
submission deadline 28 Feb 2026 | 4 articles | Viewed by 6260 | Submission Open
Keywords: climbing robots; autonomous systems; material innovations; control systems; sensing and perception; energy efficiency; AI and machine learning in climbing; applications and case studies
(This special issue belongs to the Section Robotics, Mechatronics and Intelligent Machines)
Advancements in Control and Diagnostics for Electric Motor Drive Systems
edited by Giacomo Scelba and Luigi Danilo Tornello
submission deadline 28 Feb 2026 | 1 articles | Viewed by 5724 | Submission Open
Keywords: advanced motor drive topologies; modulation strategies; intelligent control and diagnostics in motor drives; high-efficient drives; fault detection and fault tolerant motor drives; predictive maintenance
(This special issue belongs to the Section Electrical Machines and Drives)
Active and Passive Safety and Noise, Vibration, and Harshness (NVH) of Intelligent Vehicles
edited by , Hui Zhang, Lanchun Zhang and Liwei Xu
submission deadline 28 Feb 2026 | 5 articles | Viewed by 4771 | Submission Open
Keywords: intelligent vehicles; active safety systems; passive safety systems; autonomous driving; noise vibration  Harshness (NVH); vehicle dynamics and control; electric and autonomous vehicles
(This special issue belongs to the Section Vehicle Engineering)
New Trends in Reliability and Lifetime Improvement in Power-Electronic-Controlled Machines and Devices submission deadline 28 Feb 2026 | 3 articles | Viewed by 4685 | Submission Open
Keywords: electric machines; machine insulation; partial discharges; power electronics; lifetime improvement; reliability
(This special issue belongs to the Section Electrical Machines and Drives)
Power Converters: Topology, Control, Reliability, and Applications
edited by Tamer Kamel
submission deadline 28 Feb 2026 | 4 articles | Viewed by 4513 | Submission Open
Keywords: power converters topologies; power converters for renewable energy sources; fault diagnosis of power converters and their reliability; grid-tided power electronics; smart grid implementation; distributed power generation; innovative control for power converters; AI applications in power systems; transportation electrification
(This special issue belongs to the Section Electrical Machines and Drives)
Compliant Mechanisms and Actuators for Exoskeletons and Human–Robot Interactions
edited by , , Guimin Chen and Zhongyi Li
submission deadline 28 Feb 2026 | 3 articles | Viewed by 4248 | Submission Open
Keywords: compliant joints; variable-stiffness mechanism; serial elastic actuators (SEAs); exoskeletons; humanoids; energy harvesting; energy efficiency; sensing and perception
(This special issue belongs to the Section Machine Design and Theory)
AI-Driven Intelligent Maintenance and Health Management for Complex Industrial Systems
edited by Dandan Peng, , Jipu Li and Chuanjiang Li
submission deadline 28 Feb 2026 | 3 articles | Viewed by 3112 | Submission Open
Keywords: artificial intelligence; diagnostics and prognostics; digital twin; explainable AI; large foundation models
(This special issue belongs to the Section Machines Testing and Maintenance)
Autonomous Navigation of Mobile Robots and UAVs, 2nd Edition submission deadline 28 Feb 2026 | 2 articles | Viewed by 3047 | Submission Open
Keywords: path planning for autonomous agents; enhancing the localization of a mobile robot; motion control of a mobile robot; application of mobile robots to specific areas; multi-agent management system
(This special issue belongs to the Section Automation and Control Systems)
Aerodynamic Analysis of Wind Turbine Blades
edited by and Hang Meng
submission deadline 28 Feb 2026 | 2 articles | Viewed by 2723 | Submission Open
Keywords: wind turbine aerodynamics; blade design; computational fluid dynamics (CFD); aeroelasticity; wake dynamics; unsteady flow; experimental aerodynamics
(This special issue belongs to the Section Turbomachinery)
Data-Driven RUL Prediction: Innovations in Generalization, Uncertainty, and Efficiency for Industrial PHM
edited by Diwang Ruan, Jianping Yan, and
submission deadline 28 Feb 2026 | 3 articles | Viewed by 2087 | Submission Open
Keywords: prognostics and health management (PHM); remaining useful life (RUL) prediction; data-driven approaches; cross-domain generalization; long-term prediction; uncertainty quantification; physics-informed neural networks (PINNs); LLM-based transfer learning; industrial applications
(This special issue belongs to the Section Machines Testing and Maintenance)
Digital Farming in Agricultural Machinery: Revolutionizing Farming Through Smart Technologies
edited by Abhijit Nagchaudhuri and Madhumi Mitra
submission deadline 28 Feb 2026 | 1 articles | Viewed by 1991 | Submission Open
Keywords: precision agriculture; digital farming; GPS; drones; vertical farming; indoor and urban agriculture; smart combine harvesters and sprayers; agronomic sensors; data science and AI; sustainability; STEM education and agriculture; farm machinery and robotics
(This special issue belongs to the Section Robotics, Mechatronics and Intelligent Machines)
Integration of Industrial Machines into Smart Manufacturing, Digital Twin Technology for Industry 4.0 Machinery
edited by Chakib Alaoui
submission deadline 28 Feb 2026 | 1 articles | Viewed by 1808 | Submission Open
Keywords: smart manufacturing; Industry 4.0 methodologies; Industrial Internet of Things (IIoT); Artificial Intelligence (AI); cloud computing; Virtual Reality (VR); Digital Twin (DT)
(This special issue belongs to the Section Advanced Manufacturing)
Advances in Dynamic Analysis of Multibody Mechanical Systems submission deadline 28 Feb 2026 | 1 articles | Viewed by 1560 | Submission Open
Keywords: multibody dynamics; nonlinear dynamics; system stability; numerical simulation; vibration analysis
(This special issue belongs to the Section Robotics, Mechatronics and Intelligent Machines)
Innovations and Challenges in Additive Manufacturing Technologies
edited by Khalil Khanafer and
submission deadline 28 Feb 2026 | 1 articles | Viewed by 1021 | Submission Open
Keywords: additive manufacturing; simulation and modeling; materials characterization; additive manufacturing process
(This special issue belongs to the Section Advanced Manufacturing)
Cutting-Edge AI and Deep Learning Techniques for Anomaly Detection
edited by
submission deadline 28 Feb 2026 | Viewed by 783 | Submission Open
Keywords: anomaly detection; machine learning; predictive maintenance; computer vision; data science
(This special issue belongs to the Section Machines Testing and Maintenance)
Design and Control of Surgical Robots
edited by Yongzhuo Gao
submission deadline 28 Feb 2026 | 1 articles | Viewed by 780 | Submission Open
Keywords: continuum robots; concentric tube robots; micro-nano surgical robots; novel instrument design; surgical robot modeling and control; image-guided robot control; data-driven control method; haptic/shape sensing method; perception methods for biological tissue
(This special issue belongs to the Section Machine Design and Theory)
Quality Prediction and Control in Hybrid Additive Manufacturing Processes
edited by and Byeong-Min Roh
submission deadline 28 Feb 2026 | Viewed by 394 | Submission Open
Keywords: hybrid additive manufacturing (AM); quality prediction; predictive modeling; real-time monitoring; adaptive control systems; finite element analysis (FEA); predictive maintenance
(This special issue belongs to the Section Advanced Manufacturing)
Intelligent Path Planning for Robotic Systems: Modeling, Optimization and Real-Time Decision-Making
edited by , Yu Xie and
submission deadline 28 Feb 2026 | 1 articles | Viewed by 349 | Submission Open
Keywords: kinodynamic planning; anytime algorithms; model predictive control; chance-constrained optimization; mul-ti-objective optimization; subgoal replanning; latency-aware scheduling; uncertainty-aware mapping; human– robot spatial cognition; neuromorphic computing for planning; physics-informed neural planners; federated learn-ing for multi-robot systems; bio-inspired navigation; heuristic/meta-heuristic path planning
(This special issue belongs to the Section Robotics, Mechatronics and Intelligent Machines)
Emerging Technologies in Vibration Control: Advances in Suppression and Isolation
edited by Diego Ledezma-Ramirez, Pablo Ernesto Tapia-González and
submission deadline 28 Feb 2026 | Viewed by 344 | Submission Open
Keywords: vibration suppression; vibration isolation; nonlinear vibration control; active and passive control systems; metamaterials and metastructures; smart materials; adaptive structures
(This special issue belongs to the Section Machine Design and Theory)
Advances in Remaining Useful Life (RUL) Prediction and Predictive Maintenance of Industrial Equipment submission deadline 28 Feb 2026 | Viewed by 259 | Submission Open
Keywords: remaining useful life (RUL); prognostics and health management (PHM); performance degrading and assessment; predictive maintenance; deep learning; fault diagnosis; data-driven prognostics; turbomachinery
(This special issue belongs to the Section Machines Testing and Maintenance)
Digital Twin-Driven Machine Performance and Reliability: Replication, Prediction and Front Running Simulation
edited by Michael Grieves
submission deadline 28 Feb 2026 | Viewed by 216 | Submission Open
Keywords: factory health prediction; digital twin-enabled machine; industrial reliability management; health monitoring; reliability-driven digital Twins
(This special issue belongs to the Section Machines Testing and Maintenance)
Digital Twins and Advanced Fault Modeling in the Condition Monitoring of Electric Machines
edited by Nur Sarma
submission deadline 28 Feb 2026 | Viewed by 204 | Submission Open
Keywords: digital twin; electric machine monitoring; fault modeling and simulation; predictive maintenance; condition monitoring; fault detection; fault diagnosis
(This special issue belongs to the Section Electrical Machines and Drives)
Artificial Intelligence-Enabled Vehicle Systems: Modeling, Control Optimization and Fault Diagnosis
edited by , , Haiyan Qiang and Daofang Chang
submission deadline 28 Feb 2026 | Viewed by 174 | Submission Open
Keywords: artificial intelligence; vehicle dynamics modeling; intelligent control; fault diagnosis; reinforcement learning; predictive maintenance; rail transit systems; digital twin; intelligent vehicles; system optimization
(This special issue belongs to the Section Vehicle Engineering)
Advanced Estimation, Control, and Optimization Techniques for Synchronous Machines in Next-Generation Electrified Systems
edited by Peter Azer and Ahmed Abdelrahman
submission deadline 28 Feb 2026 | Viewed by 173 | Submission Open
Keywords: synchronous motors; motor control; power electronics; electric machines; synchronous machines; PMSM
(This special issue belongs to the Section Electrical Machines and Drives)
Advanced Manufacturing Technologies for Improving Fatigue Behavior of Metal Components submission deadline 28 Feb 2026 | Viewed by 168 | Submission Open
Keywords: fatigue behavior; fatigue life enhancement; material structure modification; surface modification; cold working; hybrid; combined technologies; sustainable technologies; numerical simulations
(This special issue belongs to the Section Advanced Manufacturing)
Intelligent Propulsion Systems and Energy Control
edited by , , Dongsheng Dong and Fuxing Wei
submission deadline 28 Feb 2026 | Viewed by 167 | Submission Open
Keywords: engine knock analysis; marine engine innovations; combustion optimization; energy control systems; flying car technologies
(This special issue belongs to the Section Electromechanical Energy Conversion Systems)
State-Wise Safe Learning and Control for Robotics
edited by Weiye Zhao
submission deadline 28 Feb 2026 | Viewed by 155 | Submission Open
Keywords: safe learning and control; state-wise safety; reinforcement learning; dynamical systems modeling; energy-function-based methods; data-driven control; robotics applications; real-world autonomous systems
(This special issue belongs to the Section Robotics, Mechatronics and Intelligent Machines)
Industry 5.0: Key Enabling Technologies, Requirements, Current Applications and Future Directions submission deadline 28 Feb 2026 | Viewed by 153 | Submission Open
Keywords: advanced cobots; IoT; edge/fog/cloud computing; digital twins; CPS; AI; Industry 5.0; sustainability; resilience; human-centricity; cognitive workload; ergonomics
(This special issue belongs to the Section Industrial Systems)
Recent Advances in Control for PMSM Drives
edited by Xin Yuan
submission deadline 28 Feb 2026 | Viewed by 131 | Submission Open
Keywords: motor drives; sensorless control; model predictive control; parameter identification
(This special issue belongs to the Section Electrical Machines and Drives)
Condition Monitoring and Fault Diagnosis
edited by , Tianyang Wang and Shaodan Zhi
submission deadline 1 Mar 2026 | 4 articles | Viewed by 6054 | Submission Open
Keywords: condition monitoring; fault diagnosis; predictive maintenance; health management; failure simulation
(This special issue belongs to the Section Machines Testing and Maintenance)
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