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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Engine Efficiency and Performance Enhancement in Steam and Gas Turbines
edited by Mingyang Wang
submission deadline 12 Jun 2026 | Viewed by 211 | Submission Open
Keywords: steam and gas turbines; low Reynolds number; boundary layer transition; blade design; multidisciplinary optimization; flow control
(This special issue belongs to the Section Turbomachinery)
Advances in Vehicle Suspension System Optimization and Control
edited by Buyun Zhang and Chin-An Tan
submission deadline 30 Jun 2026 | 11 articles | Viewed by 23881 | Submission Open
Keywords: ride comfort; energy-related; active suspension; semi-active suspension; passive suspension; nonlinear; vehicle road/bridge interactions; machine learning
(This special issue belongs to the Section Vehicle Engineering)
Design and Manufacturing for Lightweight Components and Structures
edited by and Shaoluo Wang
submission deadline 30 Jun 2026 | 9 articles | Viewed by 22192 | Submission Open
Keywords: lightweight design and manufacturing; dissimilar material joining; electromagnetic forming; manufacturing process; fiber-reinforced composites; structural optimization; mechanical properties; failure mechanism; quality inspection/detection techniques
(This special issue belongs to the Section Advanced Manufacturing)
Machine Tools for Precision Machining: Design, Control and Prospects
edited by and Shanglei Jiang
submission deadline 30 Jun 2026 | 7 articles | Viewed by 14978 | Submission Open
Keywords: machine tool motion planning; error control and compensation; machining chatter prediction and suppression; cutter wear and chatter monitoring; bearing fault diagnosis; machining process modeling and simulation; process parameter optimization
(This special issue belongs to the Section Advanced Manufacturing)
Shaping the Future of Industry: Innovations in Digital and Smart Manufacturing
edited by
submission deadline 30 Jun 2026 | 2 articles | Viewed by 12856 | Submission Open
Keywords: Industry 4.0; Industry 5.0; smart manufacturing; intelligent manufacturing; digital manufacturing; advanced manufacturing; sustainable manufacturing; resilient production systems; next-generation automation; future-driven technologies; transformative industrial applications
(This special issue belongs to the Section Advanced Manufacturing)
Advanced Protection and Control Strategies for Power Conversion in Electromechanical Energy Storage Systems
edited by Jian Qiao, Luliang Zhang, Xin Yin, Moduo Yu, Yikai Wang and Yayu Yang
submission deadline 30 Jun 2026 | 3 articles | Viewed by 9737 | Submission Open
Keywords: electromechanical energy storage; fault detection and diagnosis; advanced control strategies; smart grid integration; energy conversion systems
(This special issue belongs to the Section Electromechanical Energy Conversion Systems)
Additive Manufacturing of Electrical Machines submission deadline 30 Jun 2026 | 2 articles | Viewed by 8403 | Submission Open
Keywords: electrical machines and drives; additive manufacturing; electrical machine designs; sustainable manufacturing; electrical machines
(This special issue belongs to the Section Electrical Machines and Drives)
Innovations in Soft Robotics: Enhancing Safety, Performance, and Dexterity
edited by Zixiao Liu and Wen Hong
submission deadline 30 Jun 2026 | 2 articles | Viewed by 7719 | Submission Open
Keywords: soft robotics; human– soft robot interaction; actuation; soft materials
(This special issue belongs to the Section Robotics, Mechatronics and Intelligent Machines)
Electromagnetic and Multi-Physics Analysis and Design of Electric Machines
edited by Min-Ro Park
submission deadline 30 Jun 2026 | 5 articles | Viewed by 5967 | Submission Open
Keywords: electric motor; generator; and transformer; computational methods for electromagnetic fields; novel topology and structure; optimization; multi-physics and coupled problems
(This special issue belongs to the Section Electrical Machines and Drives)
Reliability in Mechanical Systems: Innovations and Applications
edited by , Feifei Zhao and
submission deadline 30 Jun 2026 | 4 articles | Viewed by 5733 | Submission Open
Keywords: reliability analysis; mechanical systems; predictive maintenance; digital twins; machine learning; risk assessment; sustainability; system optimization
(This special issue belongs to the Section Machines Testing and Maintenance)
Aerodynamic Analysis of Wind Turbine Blades
edited by and Hang Meng
submission deadline 30 Jun 2026 | 2 articles | Viewed by 4738 | 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)
Advanced Design, Manufacturing, and Applications of Precision Machine Tools
edited by
submission deadline 30 Jun 2026 | 5 articles | Viewed by 4646 | Submission Open
Keywords: precision machine tools; thermal error compensation; vibration control; high-performance machining; digital twin; smart manufacturing; AI-driven process optimization; ultra-precision machining; structural optimization; energy-efficient machining
(This special issue belongs to the Section Advanced Manufacturing)
Advanced Power Electronic Technologies in Electric Drive Systems, 2nd Edition
edited by
submission deadline 30 Jun 2026 | 3 articles | Viewed by 4571 | Submission Open
Keywords: power converter; inverters; three-phase drives; multi-phase drives; switching losses; fault tolerance control; modulation techniques
(This special issue belongs to the Section Electrical Machines and Drives)
Design and Analysis of Air Bearings with Applications in the Design of High-Precision Machines
edited by Siyu Gao, Chenhui An, and
submission deadline 30 Jun 2026 | 2 articles | Viewed by 4422 | Submission Open
Keywords: air bearings; ultraprecision machines; high-precision machines; stiffness; dynamic characteristics; high-speed stability; micro-vibrations; surface waviness; manufacturing tolerances; surface roughness; pneumatic hammer; vortex vibration; angular displacement; compound restrictors; inertia effects; smart spindles and in-process sensing; multiphysics-based modelling and analysis
(This special issue belongs to the Section Advanced Manufacturing)
Data-Driven Fault Diagnosis for Machines and Systems, 2nd Edition
edited by Ahmed Ragab and Mouloud Amazouz
submission deadline 30 Jun 2026 | 3 articles | Viewed by 3879 | Submission Open
Keywords: fault diagnosis and prognosis; data-driven modeling; condition monitoring; predictive maintenance; anomaly detection; decision support systems; causality analysis; root cause analysis
(This special issue belongs to the Section Machines Testing and Maintenance)
Intelligent Fault Diagnosis and Predictive Maintenance Systems: Advanced Methods for Industrial Equipment and Dynamic Operating Conditions submission deadline 30 Jun 2026 | 5 articles | Viewed by 3608 | 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)
Artificial Intelligence for Diagnosis, Detection, Monitoring and Maintenance
edited by Xuefeng Ni, and
submission deadline 30 Jun 2026 | 3 articles | Viewed by 2138 | Submission Open
Keywords: fault diagnosis; anomaly and defect detection; multimodal/multimedia sensing; infrastructure monitoring; industrial vision inspection; predictive maintenance; digital twins; edge intelligence; self‑supervised learning; uncertainty and explainability; robust and trustworthy AI
(This special issue belongs to the Section Machines Testing and Maintenance)
Machine Learning-Driven Predictive Maintenance: Advanced Diagnostics and Smart Monitoring submission deadline 30 Jun 2026 | Viewed by 1850 | Submission Open
Keywords: electric motors; permanent magnet machines; induction motors; industrial applications; fault diagnosis; predictive maintenance; smart sensors and industrial IoT; condition monitoring and anomaly detection; artificial intelligence in motor fault diagnosis; machine learning and deep learning; genetic algorithms; digital twins for predictive analytics; signal processing and feature extraction; filters theory; big data analytics and cloud computing; cybersecurity in predictive maintenance systems; edge AI and federated learning in industrial monitoring; hybrid AI models for predictive fault detection; data-driven maintenance optimization strategies
(This special issue belongs to the Section Machines Testing and Maintenance)
Recent Advances in Compliant Mechanisms
edited by Ayse Tekes
submission deadline 30 Jun 2026 | 2 articles | Viewed by 1831 | Submission Open
Keywords: compliant mechanisms; soft robots; flexible machines; lamina emergent mechanisms; foldable mechanisms; mechanism synthesis; nonlinear modeling
(This special issue belongs to the Section Machine Design and Theory)
Tool Wear Condition Monitoring in Smart Manufacturing: Sensors, Analytics, and Decision-Making
edited by , and Armin Siahsarani
submission deadline 30 Jun 2026 | 1 articles | Viewed by 1647 | Submission Open
Keywords: data-driven decision-making; smart manufacturing; tool wear condition monitoring; acoustic emission/force/vibration sensing; machine data interoperability (OPC UA; MTConnect); physics-informed and hybrid models; remaining useful life (RUL) prediction; explainable AI (XAI); digital twin and cyber– physical systems; edge/embedded AI and real-time control; predictive maintenance
(This special issue belongs to the Section Machines Testing and Maintenance)
Sensing to Cognition: The Evolution of Robotic Vision
edited by , , Junfeng Gao and Fengyun Wu
submission deadline 30 Jun 2026 | 1 articles | Viewed by 1414 | Submission Open
Keywords: robotic vision; deep learning for visual perception; reinforcement learning in robotics; 3D perception and spatial reasoning; scene understanding; visual reasoning and cognition; autonomous navigation; embodied perception; multi-robot visual collaboration
(This special issue belongs to the Section Robotics, Mechatronics and Intelligent Machines)
Next-Level Energy Storage Solutions for Electric Road and Maritime Mobility: Innovations in Cost, Performance and Safety submission deadline 30 Jun 2026 | 1 articles | Viewed by 1177 | Submission Open
Keywords: energy storage systems; electric mobility; road electric vehicles; maritime mobility; energy management system; control; optimization; monitoring and diagnosis
(This special issue belongs to the Section Vehicle Engineering)
Advances in Bearing Modeling, Fault Diagnosis, RUL Prediction, 3rd Edition
edited by Hongrui Cao, and
submission deadline 30 Jun 2026 | 1 articles | Viewed by 1172 | Submission Open
Keywords: bearing modeling; failure analysis; sensing; signal processing; condition monitoring; fault diagnosis; RUL prediction; big data analytics
(This special issue belongs to the Section Electrical Machines and Drives)
Advances in 3D Printing Technologies: Materials, Processes, and Applications, 2nd Edition submission deadline 30 Jun 2026 | 2 articles | Viewed by 1050 | Submission Open
Keywords: 3D printing technologies; additive manufacturing; advanced materials; process optimization; hybrid printing methods; sustainable manufacturing; biocompatible polymers; high-performance composites; multi-material printing; IoT integration AI in additive manufacturing; Industry 4.0 integration
Intelligent Design and Application of Parallel Robots
edited by
submission deadline 30 Jun 2026 | 1 articles | Viewed by 940 | Submission Open
Keywords: parallel robots; configuration systhesis; optimization design; intelligent control; innovative application
(This special issue belongs to the Section Robotics, Mechatronics and Intelligent Machines)
Machine Learning Application in Robots
edited by Adeel Mehmood
submission deadline 30 Jun 2026 | 1 articles | Viewed by 938 | Submission Open
Keywords: machine learning for adaptive and fault-tolerant control of robotic and servo systems; intelligent actuation and sensor-based learning for robotic applications; computer vision; sensor fusion; and perception-driven autonomy; reinforcement and deep learning for robotic motion and trajectory planning; learning-based optimisation for precision manufacturing and service robotics; human– robot interaction and collaborative intelligence; predictive maintenance and diagnostics of actuators and robotic subsystems; AI-driven control strategies for industrial automation and mechatronic systems
(This special issue belongs to the Section Robotics, Mechatronics and Intelligent Machines)
Cutting-Edge Innovations in Precision Machining and Forming Technology
edited by , , and Jian Weng
submission deadline 30 Jun 2026 | Viewed by 840 | Submission Open
Keywords: data-driven modelling; machine/deep learning; digital twin & Iot; energy consumption monitoring; intelligent machine tool; intelligent fault diagnosis; energy-saving hydraulic system; ultrasonic vibration-assisted machining; multi-energy-field composite machining; tool wear studying; difficult-to-cut metals; metal stamping & forming; FEM simulation; surface/subsurface optimization; micro-fineblanking
(This special issue belongs to the Section Advanced Manufacturing)
Innovations in Railway Vehicle System: Design, Monitoring and Maintenance
edited by Qunsheng Wang
submission deadline 30 Jun 2026 | 1 articles | Viewed by 794 | Submission Open
Keywords: railway vehicle dynamics; wheel-rail interaction; pantograph-catenary system; structural health monitoring (SHM); condition monitoring and fault diagnosis; predictive maintenance; digital twin; traction system monitoring
(This special issue belongs to the Section Vehicle Engineering)
Diagnosis of Sensor Failure in Induction Motor Drives
edited by Solmaz Kahourzade
submission deadline 30 Jun 2026 | 1 articles | Viewed by 685 | Submission Open
Keywords: induction motor drives; sensor fault diagnosis; equivalent-circuit and analytical modeling; observer-based FDI/FTC; signal-based methods (MCSA/FFT; time– frequency); machine learning for diagnostics; hardware-/power-hardware-in-the-loop; sizing and performance validation
(This special issue belongs to the Section Electrical Machines and Drives)
Advances in Automotive Mechatronics
edited by , Mario Hrgetić and
submission deadline 30 Jun 2026 | 1 articles | Viewed by 515 | Submission Open
Keywords: automotive drive train; vehicle dynamics; and active suspensions; autonomous driving and all other applications of sensors; actuators and microcontrollers in the automotive field; automated driving systems; energy recuperation and battery management; sensory equipment; actuator design; and control; X-by-wire; torque vectoring; data processing
(This special issue belongs to the Section Robotics, Mechatronics and Intelligent Machines)
Artificial Intelligence Applications for Diagnosis, Maintenance and Control of Electric Machines submission deadline 30 Jun 2026 | Viewed by 487 | Submission Open
Keywords: intelligent fault diagnosis; condition monitoring; RUL estimation; machine fault diagnosis; artificial intelligence; electrical machines
(This special issue belongs to the Section Electrical Machines and Drives)
Multi-Physics Modeling, Optimization and Control of High-Performance Electric Machines submission deadline 30 Jun 2026 | Viewed by 438 | Submission Open
Keywords: multi-physics modeling; electric drives; design optimization; power electronics integration; advanced control; electromagnetic– thermal coupling; vibration and noise; digital twin; AI-assisted design; high-efficiency machines
(This special issue belongs to the Section Machine Design and Theory)
Systems Modelling, Simulation and Experimentation for Condition Monitoring
edited by
submission deadline 30 Jun 2026 | Viewed by 401 | Submission Open
Keywords: condition monitoring; reliability; predictive maintenance; data-driven; digital twins; machine learning
(This special issue belongs to the Section Machines Testing and Maintenance)
Design, Manufacturing, Measurement, and Quality Control Technologies for Assembly
edited by Feiyan Guo and Zhengping Chang
submission deadline 30 Jun 2026 | 1 articles | Viewed by 370 | Submission Open
Keywords: assembly; process and product design; manufacturing; measurement; quality control
(This special issue belongs to the Section Advanced Manufacturing)
Advancements in Computer-Aided Design (CAD) for Advanced Manufacturing
edited by
submission deadline 30 Jun 2026 | Viewed by 339 | Submission Open
Keywords: generative AI; additive manufacturing; product lifecycle management; automation systems; virtual and augmented reality; sustainable manufacturing; data-driven design; collaborative and cloud-based CAD systems; distributed manufacturing
(This special issue belongs to the Section Advanced Manufacturing)
Advanced Dynamic Measurement and Vibration Analysis for Smart Industrial Systems: Novel Sensing Technologies and AI-Driven Diagnostics submission deadline 30 Jun 2026 | Viewed by 319 | Submission Open
Keywords: vibration measurement; vibration control; condition monitoring; vibratory machines; vibration control; finite element modeling; structural health monitoring; modal analysis; FFT; noise control
(This special issue belongs to the Section Machines Testing and Maintenance)
Robot Operating System: Integrated Robotic Planning and Control
edited by
submission deadline 30 Jun 2026 | Viewed by 308 | Submission Open
Keywords: robot operating system (ROS); integrated planning and control; motion planning; autonomous navigation; intelligent robotic systems
(This special issue belongs to the Section Robotics, Mechatronics and Intelligent Machines)
Computational Fluid Dynamics (CFD) Applications in Aeronautics, Astronautics, and Manufacturing
edited by , , Sidra Shaheen and Alper Uysal
submission deadline 30 Jun 2026 | Viewed by 297 | Submission Open
Keywords: transition flows; shock– boundary layer interaction; combustion modeling; icing simulation; reduced-order models; mission design optimization; AI-enhanced CFD; high-performance computing; two phase heat transfer in machining; cryogenic coolants and lubricants heat transfer
(This special issue belongs to the Section Turbomachinery)
Intelligent Unmanned Aerial Vehicles Control, Navigation and Applications
edited by
submission deadline 30 Jun 2026 | Viewed by 270 | Submission Open
Keywords: Unmanned Aerial Vehicles (UAVs); autonomous flight control; navigation; motion planning; swarm systems
(This special issue belongs to the Section Vehicle Engineering)
Condition Monitoring and Reliability Enhancement of Electromechanical and Energy Systems submission deadline 30 Jun 2026 | Viewed by 266 | Submission Open
Keywords: condition monitoring; reliability enhancement; electromechanical systems; energy systems; renewable energy systems; fault diagnosis; predictive maintenance; sensors and instrumentation
(This special issue belongs to the Section Electromechanical Energy Conversion Systems)
Monitoring, Diagnostics, and Prognostics of Aero-Engines
edited by Haifei Wang
submission deadline 30 Jun 2026 | Viewed by 255 | Submission Open
Keywords: condition monitoring; fault diagnosis and detection; remaining useful life (RUL) estimation; data analytics and machine learning; maintenance optimization
(This special issue belongs to the Section Machines Testing and Maintenance)
Weak Signal Detection and Fault Diagnosis
edited by and Guangfu Bin
submission deadline 30 Jun 2026 | Viewed by 239 | Submission Open
Keywords: weak signal; fault diagnosis; artificial intelligence; recognition accuracy; cross domain diagnostic; integration
(This special issue belongs to the Section Machines Testing and Maintenance)
Recent Advances in Surface Integrity with Advanced Machining, 2nd Edition
edited by
submission deadline 30 Jun 2026 | Viewed by 219 | Submission Open
Keywords: surface integrity; machining; milling
(This special issue belongs to the Section Advanced Manufacturing)
Design and Application of Bionic Robots
edited by and
submission deadline 31 Jul 2026 | 3 articles | Viewed by 12353 | Submission Open
Keywords: bionic robot; biomimetic robotics; nature-inspired design; sensors and control algorithms; bionic systems and robots; animal and insect movement; bionic robot application; medical assistance; agriculture robots; bionic robot for search and rescue; bionic legged robots; bionic underwater robots
(This special issue belongs to the Section Automation and Control Systems)
Intelligent Applications in Mechanical Engineering
edited by , Jun Wu and Chongrui Liu
submission deadline 31 Jul 2026 | 6 articles | Viewed by 11267 | Submission Open
Keywords: data-driven applications; active and passive control; prognostics health management; noise; vibration and harshness; vehicle road noise analysis; vehicle sound package analysis; acoustic metamaterials
(This special issue belongs to the Section Automation and Control Systems)
Intelligent Control Techniques for Unmanned Aerial Vehicles
edited by , Junkai Ren and
submission deadline 31 Jul 2026 | 8 articles | Viewed by 9834 | Submission Open
Keywords: unmanned aerial vehicles; intelligent control; stability analysis; adaptive learning control
(This special issue belongs to the Section Automation and Control Systems)
Sustainable Manufacturing and Green Processing Methods, 2nd Edition submission deadline 31 Jul 2026 | 5 articles | Viewed by 9573 | Submission Open
Keywords: sustainable manufacturing; green processing methods; environmental impact; eco-friendly processing technologies; energy-efficient processes; waste reduction; recycling methods; environmental footprint; renewable resources; carbon footprint; resource efficiency; process optimization for waste reduction; environmental sustainability; circular economy; clean production
(This special issue belongs to the Section Material Processing Technology)
Advanced Aircraft Aerodynamics, Flight Stability, Stabilization and Control of Flying Vehicles
edited by
submission deadline 31 Jul 2026 | 3 articles | Viewed by 8916 | Submission Open
Keywords: advanced aircraft aerodynamics; stabilization; flight stability; trajectory generation of flying vehicles
(This special issue belongs to the Section Machine Design and Theory)
Prognostics and Health Management and Structural Health Management in Mechanical and Manufacturing Systems
edited by
submission deadline 31 Jul 2026 | 4 articles | Viewed by 8270 | Submission Open
Keywords: prognostics and health management (PHM); structural health management (SHM); smart factory; application of AI; AI in mechanical engineering; maintenance; prognostics; SHM for composite materials; aerospace applications
(This special issue belongs to the Section Machines Testing and Maintenance)
Rolling Contact Fatigue and Wear of Rails and Wheels
edited by Makoto Akama
submission deadline 31 Jul 2026 | 4 articles | Viewed by 8203 | Submission Open
Keywords: rail; wheel; rolling contact fatigue; wear; simulation; experiment
(This special issue belongs to the Section Friction and Tribology)
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