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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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 6098 | 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 5491 | 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)
Control and Mechanical System Engineering, 2nd Edition
edited by
submission deadline 30 Jun 2026 | 4 articles | Viewed by 5216 | Submission Open
Keywords: control; automation; mechanical system
(This special issue belongs to the Section Automation and Control Systems)
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 3695 | Submission Open
Keywords: soft robotics; human– soft robot interaction; actuation; soft materials
(This special issue belongs to the Section Robotics, Mechatronics and Intelligent Machines)
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 3482 | 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)
Electromagnetic and Multi-Physics Analysis and Design of Electric Machines
edited by Min-Ro Park
submission deadline 30 Jun 2026 | 4 articles | Viewed by 3312 | 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 | 3 articles | Viewed by 2926 | 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)
Advanced Power Electronic Technologies in Electric Drive Systems, 2nd Edition
edited by
submission deadline 30 Jun 2026 | 3 articles | Viewed by 2758 | 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)
Advanced Design, Manufacturing, and Applications of Precision Machine Tools
edited by
submission deadline 30 Jun 2026 | 2 articles | Viewed by 1852 | 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)
Machine Learning-Driven Predictive Maintenance: Advanced Diagnostics and Smart Monitoring submission deadline 30 Jun 2026 | Viewed by 1348 | 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)
Data-Driven Fault Diagnosis for Machines and Systems, 2nd Edition
edited by Ahmed Ragab and Mouloud Amazouz
submission deadline 30 Jun 2026 | 1 articles | Viewed by 1116 | 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)
Recent Advances in Compliant Mechanisms
edited by Ayse Tekes
submission deadline 30 Jun 2026 | Viewed by 683 | 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)
Cutting-Edge Innovations in Precision Machining and Forming Technology
edited by , , and Jian Weng
submission deadline 30 Jun 2026 | Viewed by 536 | 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)
Intelligent Fault Diagnosis and Predictive Maintenance Systems: Advanced Methods for Industrial Equipment and Dynamic Operating Conditions submission deadline 30 Jun 2026 | 1 articles | Viewed by 394 | 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)
Sensing to Cognition: The Evolution of Robotic Vision
edited by , , Junfeng Gao and Fengyun Wu
submission deadline 30 Jun 2026 | Viewed by 316 | 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)
Systems Modelling, Simulation and Experimentation for Condition Monitoring
edited by
submission deadline 30 Jun 2026 | Viewed by 217 | 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)
Multi-Physics Modeling, Optimization and Control of High-Performance Electric Machines submission deadline 30 Jun 2026 | Viewed by 206 | 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)
Tool Wear Condition Monitoring in Smart Manufacturing: Sensors, Analytics, and Decision-Making
edited by , and Armin Siahsarani
submission deadline 30 Jun 2026 | Viewed by 204 | 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)
Advances in Virtual Prototyping of Mechanical Systems for Design and Manufacturing
edited by Alberto Vergnano and
submission deadline 30 Jun 2026 | Viewed by 193 | Submission Open
(This special issue belongs to the Section Machine Design and Theory)
Advances in Abrasive and Non-Traditional Machining
edited by
submission deadline 30 Jun 2026 | Viewed by 177 | Submission Open
Keywords: abrasive processing; removal mechanism; polishing; ultra-precision machining; lapping and grinding
(This special issue belongs to the Section Advanced Manufacturing)
Artificial Intelligence Applications for Diagnosis, Maintenance and Control of Electric Machines submission deadline 30 Jun 2026 | Viewed by 176 | 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)
Advances in Automotive Mechatronics
edited by , Mario Hrgetić and
submission deadline 30 Jun 2026 | Viewed by 165 | 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)
Next-Level Energy Storage Solutions for Electric Road and Maritime Mobility: Innovations in Cost, Performance and Safety submission deadline 30 Jun 2026 | Viewed by 155 | 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)
Advanced Dynamic Measurement and Vibration Analysis for Smart Industrial Systems: Novel Sensing Technologies and AI-Driven Diagnostics submission deadline 30 Jun 2026 | Viewed by 121 | 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)
Intelligent Fault Diagnosis and Control Optimization for Electric Machines submission deadline 30 Jun 2026 | Viewed by 116 | Submission Open
Keywords: intelligent fault diagnosis; predictive maintenance; electric machines and drives; artificial intelligence; control optimization; digital twin; prognostics and health management; signal processing; deep learning; condition monitoring
(This special issue belongs to the Section Electrical Machines and Drives)
Robot Operating System: Integrated Robotic Planning and Control
edited by
submission deadline 30 Jun 2026 | Viewed by 112 | 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)
Innovations in Railway Vehicle System: Design, Monitoring and Maintenance
edited by Qunsheng Wang
submission deadline 30 Jun 2026 | Viewed by 106 | 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)
Monitoring, Diagnostics, and Prognostics of Aero-Engines
edited by Haifei Wang
submission deadline 30 Jun 2026 | Viewed by 95 | 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)
Intelligent Unmanned Aerial Vehicles Control, Navigation and Applications
edited by
submission deadline 30 Jun 2026 | Viewed by 91 | Submission Open
Keywords: Unmanned Aerial Vehicles (UAVs); autonomous flight control; navigation; motion planning; swarm systems
(This special issue belongs to the Section Vehicle Engineering)
Advancements in Computer-Aided Design (CAD) for Advanced Manufacturing
edited by
submission deadline 30 Jun 2026 | Viewed by 84 | 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)
Condition Monitoring and Reliability Enhancement of Electromechanical and Energy Systems submission deadline 30 Jun 2026 | Viewed by 77 | 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)
Advances in 3D Printing Technologies: Materials, Processes, and Applications, 2nd Edition submission deadline 30 Jun 2026 | Viewed by 69 | 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
Advances in Bearing Modeling, Fault Diagnosis, RUL Prediction, 3rd Edition
edited by Hongrui Cao, and
submission deadline 30 Jun 2026 | Viewed by 64 | 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)
Machine Learning Application in Robots
edited by Adeel Mehmood
submission deadline 30 Jun 2026 | Viewed by 58 | 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)
Diagnosis of Sensor Failure in Induction Motor Drives
edited by Solmaz Kahourzade
submission deadline 30 Jun 2026 | Viewed by 56 | 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)
Computational Fluid Dynamics (CFD) Applications in Aeronautics, Astronautics, and Manufacturing
edited by , , Sidra Shaheen and Alper Uysal
submission deadline 30 Jun 2026 | Viewed by 56 | 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 Design and Application of Parallel Robots
edited by
submission deadline 30 Jun 2026 | Viewed by 50 | 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)
Artificial Intelligence for Diagnosis, Detection, Monitoring and Maintenance
edited by Xuefeng Ni, and
submission deadline 30 Jun 2026 | Viewed by 46 | 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)
Recent Advances in Surface Integrity with Advanced Machining, 2nd Edition
edited by
submission deadline 30 Jun 2026 | Viewed by 43 | Submission Open
Keywords: surface integrity; machining; milling
(This special issue belongs to the Section Advanced Manufacturing)
Weak Signal Detection and Fault Diagnosis
edited by and Guangfu Bin
submission deadline 30 Jun 2026 | Viewed by 30 | 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)
Design and Application of Bionic Robots
edited by and
submission deadline 31 Jul 2026 | 3 articles | Viewed by 9220 | 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)
Sustainable Manufacturing and Green Processing Methods, 2nd Edition submission deadline 31 Jul 2026 | 3 articles | Viewed by 5315 | 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)
Advances in 4D Printing Technology
edited by Xueli Zhou and Qingping Liu
submission deadline 31 Jul 2026 | 3 articles | Viewed by 5271 | Submission Open
Keywords: 4D printing; innovative application; soft robot; 3D printing; multi-material 3D printing; shape memory polymers; shape memory alloys; hydrogel; 4D printing of mechanical metamaterials
(This special issue belongs to the Section Advanced Manufacturing)
Prognostics and Health Management and Structural Health Management in Mechanical and Manufacturing Systems
edited by
submission deadline 31 Jul 2026 | 3 articles | Viewed by 4740 | 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)
Advanced Battery Management Technology in Electric Vehicles: Present Status and Future Trends
edited by , Jiaqiang Tian and
submission deadline 31 Jul 2026 | 2 articles | Viewed by 4340 | Submission Open
Keywords: modeling; estimation; diagnosis; management; control; optimization
(This special issue belongs to the Section Electromechanical Energy Conversion Systems)
Intelligent Control Techniques for Unmanned Aerial Vehicles
edited by , Junkai Ren and
submission deadline 31 Jul 2026 | 4 articles | Viewed by 3963 | Submission Open
Keywords: unmanned aerial vehicles; intelligent control; stability analysis; adaptive learning control
(This special issue belongs to the Section Automation and Control Systems)
Composite Machining in Manufacturing
edited by Linzheng Ye, Wei Bai and
submission deadline 31 Jul 2026 | 2 articles | Viewed by 3725 | Submission Open
Keywords: precision/ultraprecision machining; non-traditional machining; ultrasonic-assisted composite material processing; laser machining; jet machining; high-energy beam machining; ceramic grinding; composite machining mechanisms; composite energy fields; chemical mechanical polishing; emerging methods and processes; prediction of surface quality and life in composite material processing; micro- and nanomachining; modeling and simulation; surface quality and integrity; preparation and performance of composite materials; lifetime prediction and failure diagnosis of composite material components; tool life analysis
(This special issue belongs to the Section Material Processing Technology)
Advances in Medical and Rehabilitation Robots
edited by Xu Liang, and Tingting Su
submission deadline 31 Jul 2026 | 2 articles | Viewed by 3458 | Submission Open
Keywords: medical and rehabilitation robots; force sensing and force control; bionic design; multi-agent cooperative control; trajectory planning; intelligent control; mechanical structure optimization; human– robot interaction; kinematics and dynamics
(This special issue belongs to the Section Robotics, Mechatronics and Intelligent Machines)
Advances in Electrical Power System Design and Artificial Intelligence submission deadline 31 Jul 2026 | 1 articles | Viewed by 2749 | Submission Open
Keywords: electrical power systems artificial intelligence machine learning optimization control systems predictive maintenance fault detection renewable energy integration smart grids data analytics energy efficiency sustainability power system reliability intelligent systems grid modernization
(This special issue belongs to the Section Electromechanical Energy Conversion Systems)
Rolling Contact Fatigue and Wear of Rails and Wheels
edited by Makoto Akama
submission deadline 31 Jul 2026 | 1 articles | Viewed by 2743 | 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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