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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Recent Advances in Energy Conversion Apparatus for Physical Energy Storage Systems: Design, Drive, and Integration
edited by Yiming Ma, Jincheng Yu, Yang Liu and
submission deadline 15 Jan 2026 | 1 articles | Viewed by 755 | Submission Open
Keywords: physical energy storage; pumped hydro energy storage; compressed air energy storage; flywheel energy storage; solid gravity energy storage; molten salt energy storage; energy conversion apparatus; grid-connected regulation
(This special issue belongs to the Section Electromechanical Energy Conversion Systems)
Mechatronic Systems: Developments and Applications submission deadline 31 Jan 2026 | 8 articles | Viewed by 25641 | Submission Open
Keywords: mechatronics; control of mechanical systems; robotics; industrial applications
(This special issue belongs to the Section Robotics, Mechatronics and Intelligent Machines)
Recent Developments in Machine Design, Automation and Robotics, Second Edition submission deadline 31 Jan 2026 | 9 articles | Viewed by 14988 | Submission Open
Keywords: machine design; industrial automation; industrial robotics; collaborative robotics; advanced control systems; additive manufacturing; smart factory; Industry 4.0; Internet of Things (IoT); sustainable manufacturing; green design; machine learning in robotics; automation technologies; robotics integration; adaptive control systems
(This special issue belongs to the Section Machine Design and Theory)
Advanced Engine Energy Saving Technology
edited by
submission deadline 31 Jan 2026 | 5 articles | Viewed by 11904 | Submission Open
Keywords: internal combustion engines; alternative fuels and additives; engine modeling and simulations; energy-saving technologies in engines; engine emissions; engine optimization; reducing engine pollution
(This special issue belongs to the Section Electromechanical Energy Conversion Systems)
AI-Driven Reliability Analysis and Predictive Maintenance
edited by and Cristiano Cavalcante
submission deadline 31 Jan 2026 | 4 articles | Viewed by 8493 | Submission Open
Keywords: predictive maintenance; data-driven prognosis; AI-driven reliability analysis; machine learning
(This special issue belongs to the Section Machines Testing and Maintenance)
Industry 4.0: Intelligent Robots in Smart Manufacturing
edited by , Hongxing Wei, and Guangzhe Zhao
submission deadline 31 Jan 2026 | 4 articles | Viewed by 7691 | Submission Open
Keywords: intelligent robots; smart manufacturing; collaborative robots; industrial robots
(This special issue belongs to the Section Robotics, Mechatronics and Intelligent Machines)
Advances in Design and Manufacturing in Die Casting and Metal Forming
edited by Alberto Vergnano and
submission deadline 31 Jan 2026 | 4 articles | Viewed by 7596 | Submission Open
Keywords: die casting; metal forming manufacturing; integrated part and manufacturing process design; resource efficiency; net shape production; manufacturing equipment design; design by simulation; optimization techniques
(This special issue belongs to the Section Material Processing Technology)
Design and Manufacture of Advanced Machines, Volume II submission deadline 31 Jan 2026 | 4 articles | Viewed by 5940 | Submission Open
(This special issue belongs to the Section Machine Design and Theory)
Development of Robotic and Hybrid Manufacturing Systems for Machining in Smart Factories
edited by José Enrique Ares Gómez, Iván Iglesias Sánchez and
submission deadline 31 Jan 2026 | 1 articles | Viewed by 4524 | Submission Open
(This special issue belongs to the Section Advanced Manufacturing)
Advanced Aircraft Aerodynamics, Flight Stability, Stabilization and Control of Flying Vehicles
edited by
submission deadline 31 Jan 2026 | 2 articles | Viewed by 4488 | 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)
Semi-Active Vibration Control: Strategies and Applications
edited by Subhash Rakheja, Zhijun Fu, and
submission deadline 31 Jan 2026 | 3 articles | Viewed by 4041 | Submission Open
Keywords: semi-active control; dynamics of vehicles; fuzzy control; PID control; vibration control strategies
(This special issue belongs to the Section Vehicle Engineering)
Flight Control and Path Planning of Unmanned Aerial Vehicles
edited by Jonatan Alvarez Munoz and Assia Belbachir
submission deadline 31 Jan 2026 | 1 articles | Viewed by 3901 | Submission Open
Keywords: unmanned aerial vehicles (UAVs); path planning and assignment for UAVs; autonomous outdoor and indoor navigation; control algorithms; optimal path planning of UAV swarms; distributed control algorithms
(This special issue belongs to the Section Automation and Control Systems)
Surface Engineering Techniques in Advanced Manufacturing submission deadline 31 Jan 2026 | 3 articles | Viewed by 3513 | Submission Open
Keywords: surface modification; coatings; anodizing; thermal spraying; chemical vapor deposition (CVD); laser surface texturing; bio-inspired surface textures; hierarchical surface textures; smart surface modification techniques
(This special issue belongs to the Section Advanced Manufacturing)
Advanced Research and Development in Fluid Machinery: Design, Optimization, and Applications
edited by Yandong Gu, , and Guoyi Peng
submission deadline 31 Jan 2026 | 5 articles | Viewed by 2865 | Submission Open
Keywords: fluid machinery; pump; bearing– rotor systems; multiphase flow; water turbine performance; Computational Fluid Dynamics (CFD); fluid-structure interaction
(This special issue belongs to the Section Machine Design and Theory)
Analysis, Control and Design of Permanent Magnet Machines
edited by Parviz Famouri
submission deadline 31 Jan 2026 | 1 articles | Viewed by 2662 | Submission Open
Keywords: permanent magnet machines; PMSM motors; generators
(This special issue belongs to the Section Machine Design and Theory)
Digital Twins in Smart Manufacturing
edited by Qinglin Qi, Lin Wang, Matteo De Marchi and
submission deadline 31 Jan 2026 | 1 articles | Viewed by 2349 | Submission Open
(This special issue belongs to the Section Advanced Manufacturing)
Cutting-Edge Mobility Solutions for High Efficiency Propulsion Systems submission deadline 31 Jan 2026 | 1 articles | Viewed by 2265 | Submission Open
Keywords: engines; emissions reduction; combustion
(This special issue belongs to the Section Turbomachinery)
Bridging Control Theory, Optimization and Learning: Applications in Robotics
edited by
submission deadline 31 Jan 2026 | 1 articles | Viewed by 2227 | Submission Open
Keywords: Lyapunov function; value function; robotics; optimization; nonlinear control; MPC
(This special issue belongs to the Section Machine Design and Theory)
Smart UAV Machines for Detection and Classification: Advancements and Applications in Renewable Energy Technologies
edited by Adeel Feroz Mirza, Majad Mansoor and Balal Yousaf
submission deadline 31 Jan 2026 | 2 articles | Viewed by 2170 | Submission Open
Keywords: smart UAV machines; renewable energy environments; UAV-based detection; cutting-edge detection; classification capabilities
(This special issue belongs to the Section Robotics, Mechatronics and Intelligent Machines)
Fault Diagnosis and Fault Tolerant Control in Mechanical System
edited by Zhen Jia
submission deadline 31 Jan 2026 | 3 articles | Viewed by 2063 | Submission Open
Keywords: fault diagnosis; fault-tolerant control; digital twins; physics-informed neural networks; multi-sensor fusion; cyber– physical systems; resilient control transfer learning
(This special issue belongs to the Section Machines Testing and Maintenance)
Advancements in Mechanical Power Transmission and Its Elements: Second Edition
edited by and
submission deadline 31 Jan 2026 | 2 articles | Viewed by 1982 | Submission Open
Keywords: gears; bearings; drivetrain; clutches; dynamic analysis; control; condition monitoring; lubrication
(This special issue belongs to the Section Machine Design and Theory)
Enhancing Performance of High-Value Components Through Additive Manufacturing: Applications in Marine, Air, and Land Transportation
edited by Yipu Du
submission deadline 31 Jan 2026 | 1 articles | Viewed by 1112 | Submission Open
Keywords: additive manufacturing; mechanical designs; material properties
(This special issue belongs to the Section Advanced Manufacturing)
Selected Papers from the 10th International Conference on Automation, Control and Robotics Engineering (CACRE 2025)
edited by
submission deadline 31 Jan 2026 | 1 articles | Viewed by 1013 | Submission Open
Keywords: modeling and identification; robot control; mobile robotics; perception systems; micro robots and micro-manipulation; visual serving; search; rescue; and field robotics; robot sensing and data fusion; localization; navigation; and mapping; dexterous manipulation; medical robots and bio-robotics; space and underwater robots; tele-robotics; mechanism design and applications; adaptive control; robust control; process control; co-operative control; identification and estimation; nonlinear systems; intelligent systems; precision motion control; control applications; control engineering education; human– robot interactions; process automation; intelligent automation; factory modeling and simulation; home; laboratory; and service automation; planning; scheduling; and coordination; nano-scale automation and assembly; instrumentation systems
(This special issue belongs to the Section Automation and Control Systems)
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 957 | 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 597 | Submission Open
Keywords: robotics and mechatronics; green tribology; gearing and transmissions; rotordynamics and multibody dynamics; engines and powertrains; sustainable energy systems
Automated Vehicles Safety System submission deadline 31 Jan 2026 | Viewed by 460 | 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 318 | 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)
Dynamic Analysis and Condition Monitoring of High-Speed Trains
edited by
submission deadline 31 Jan 2026 | 1 articles | Viewed by 286 | Submission Open
Keywords: dynamics modelling; intelligent fault diagnosis; vibration analysis; condition monitoring
(This special issue belongs to the Section Vehicle Engineering)
Green Fault Diagnosis: Energy-Efficient and Eco-Friendly Machinery Maintenance
edited by Ming Zeng, and Zhiyi He
submission deadline 31 Jan 2026 | Viewed by 211 | 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 201 | 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 179 | 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 177 | 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 157 | 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 143 | 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 132 | 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 51 | 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 47313 | 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 35820 | 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 11204 | 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 10626 | 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 9844 | 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 9676 | 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 8051 | 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 6112 | 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 5639 | 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 4562 | 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 4558 | 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 4251 | 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 4092 | 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)
Autonomous Navigation of Mobile Robots and UAVs, 2nd Edition submission deadline 28 Feb 2026 | 2 articles | Viewed by 2955 | 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)
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