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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Design, Performance Optimization and Application of Permanent Magnet Motors
edited by Yiming Shen, Xuhui Zhu and Shengdao Zhu
submission deadline 31 May 2026 | 2 articles | Viewed by 4202 | Submission Open
Keywords: flux-modulated motors; variable-flux motors; multi-port motors; multi-objective optimization; multi-physics optimization; surrogate-model-based optimization; low-speed direct-drive motors; arc motors; PCB motors; rotary-linear motors
(This special issue belongs to the Section Electrical Machines and Drives)
In Situ Monitoring of Manufacturing Processes
edited by
submission deadline 31 May 2026 | 2 articles | Viewed by 3990 | Submission Open
Keywords: in situ monitoring; manufacturing; automation; machine learning; defect detection
(This special issue belongs to the Section Machines Testing and Maintenance)
AI-Driven Intelligent Perception and Diagnosis of Mechanical Equipment submission deadline 31 May 2026 | 3 articles | Viewed by 3587 | Submission Open
Keywords: artificial intelligence; machine learning; deep learning; fault diagnosis; mechanical equipment; condition monitoring; big data-driven fault diagnosis; structural health monitoring
(This special issue belongs to the Section Machines Testing and Maintenance)
Intelligent Vibration Control and Condition Monitoring in Smart Structures and Electromechanical Systems
edited by and
submission deadline 31 May 2026 | 3 articles | Viewed by 3488 | Submission Open
Keywords: intelligent vibration control; condition monitoring; smart structures; electromechanical systems
(This special issue belongs to the Section Machines Testing and Maintenance)
Tool Wear in Machining, 2nd Edition
edited by
submission deadline 31 May 2026 | 2 articles | Viewed by 3071 | Submission Open
Keywords: tool wear; machining; machine tool; machining processes
(This special issue belongs to the Section Advanced Manufacturing)
Magnetic Bearing Related Technology and Its Equipment Fields
edited by
submission deadline 31 May 2026 | 1 articles | Viewed by 2176 | Submission Open
Keywords: magnetic bearings; structure design of magnetic bearing system; mathematical modeling of magnetic bearing system; control of magnetic bearing system; control of magnetic bearing system; equipment fields of magnetic bearings; flywheel energy storage system; high-speed motors; centrifugal compressors; artificial heart pumps
(This special issue belongs to the Section Electromechanical Energy Conversion Systems)
Artificial Intelligence and Robotics in Manufacturing and Automation
edited by Daniel Roozbahani
submission deadline 31 May 2026 | 1 articles | Viewed by 1573 | Submission Open
Keywords: artificial intelligence in manufacturing; industrial robotics; smart automation; machine learning for production optimization; collaborative robots (cobots); predictive maintenance with AI; human– robot interaction; autonomous systems in industry; AI-powered defect detection; swarm intelligence for robotics; AI for supply chain optimization
(This special issue belongs to the Section Advanced Manufacturing)
Dimensional Measurement, Analysis, and Control for Precision Manufacturing
edited by
submission deadline 31 May 2026 | 1 articles | Viewed by 1566 | Submission Open
Keywords: metrology; dimensional measurement; surface topography; roughness; form deviations; precision manufacturing; sensors; gauges; calibration; measurement uncertainty
(This special issue belongs to the Section Advanced Manufacturing)
Advances in Positive Displacement Compressors, 2nd Edition
edited by
submission deadline 31 May 2026 | 1 articles | Viewed by 1183 | Submission Open
Keywords: positive displacement compressors; numerical studies optimization; mathematical modelling; design analysis; measurement performance analysis; sustainability energy
(This special issue belongs to the Section Turbomachinery)
Advances in Autonomous Vehicles Dynamics and Control, 2nd Edition submission deadline 31 May 2026 | 1 articles | Viewed by 810 | Submission Open
Keywords: autonomous vehicles; advanced nonlinear control; dynamic modeling; machine learning
(This special issue belongs to the Section Vehicle Engineering)
Advances in Computer-Aided Technology, 3rd Edition submission deadline 31 May 2026 | 1 articles | Viewed by 749 | Submission Open
Keywords: PLM; 3D printing; CAD; digital manufacturing; production systems; collaborative robotics
(This special issue belongs to the Section Robotics, Mechatronics and Intelligent Machines)
Advanced Rehabilitation Exoskeleton Robots
edited by Cristian Copilusi Petre and Sorin Dumitru
submission deadline 31 May 2026 | 1 articles | Viewed by 634 | Submission Open
Keywords: locomotion system; gait assistance; human rehabilitation systems; exoskeleton dynamic and kinematic analyses; human lower limb assistive devices
(This special issue belongs to the Section Robotics, Mechatronics and Intelligent Machines)
Advanced Human–Machine Interaction and Assistive Robotics for Rehabilitation
edited by Alejandro Ramirez
submission deadline 31 May 2026 | 1 articles | Viewed by 582 | Submission Open
Keywords: neurological disorders; human– computer interfaces (HCI); rehabilitation; assistive robotics; social robots; wearable robots; rehabilitation robots
(This special issue belongs to the Section Robotics, Mechatronics and Intelligent Machines)
High-Performance Compressor Design, Model Analysis and Application
edited by Nikola Stosic
submission deadline 31 May 2026 | 1 articles | Viewed by 554 | Submission Open
Keywords: compressor design; compressor technologies; compressor efficiency; compressor performance prediction
(This special issue belongs to the Section Machine Design and Theory)
Rehabilitation and Assistive Robotics: Enhancing Recovery Through Innovative Device Solutions submission deadline 31 May 2026 | Viewed by 439 | Submission Open
Keywords: rehabilitation devices; assistive robotics; healthcare and biomedical devices and applications
(This special issue belongs to the Section Robotics, Mechatronics and Intelligent Machines)
Composite Materials in Modern Transport Machinery submission deadline 31 May 2026 | Viewed by 402 | Submission Open
Keywords: composite materials; transport engineering; lightweight structures; numerical simulation; corrosion resistance; automotive composites; aerospace composites; marine composites; railway composites; structural performance; sustainable composites
(This special issue belongs to the Section Machine Design and Theory)
New Advances in Robotics, Factory Automation and Intelligent Networked Systems
edited by
submission deadline 31 May 2026 | Viewed by 304 | Submission Open
Keywords: automation; robotics and communications; industry 4.0/5.0
Monitoring and Control of Machining Processes
edited by , Tomislav Staroveški and
submission deadline 31 May 2026 | Viewed by 286 | Submission Open
Keywords: smart manufacturing; real-time process monitoring; adaptive control systems; predictive maintenance (Industry 4.0); AI-driven manufacturing; sustainable machining; digital twin technology; sensor fusion (IIoT)
(This special issue belongs to the Section Advanced Manufacturing)
Advanced Digital Twin in Smart Manufacturing
edited by Amevi Tongne
submission deadline 31 May 2026 | Viewed by 271 | Submission Open
Keywords: digital twin; manufacturing; machine learning; AI; real-time computation; real-time data monitoring and processing; real time; real-time defect detection and correction; expert knowledge
(This special issue belongs to the Section Advanced Manufacturing)
Passive and Active Approaches for the Control of Nonlinear Vibrations in Mechanical Systems submission deadline 31 May 2026 | Viewed by 245 | Submission Open
Keywords: nonlinear vibrations in flexible systems; phase plane analysis of nonlinear effects; Coulomb friction and stick– slip dynamics; rolling friction and nonlinear damping; clearance and backlash in flexible systems; input shaping for nonlinear flexible systems; Model Reference Control (MRC); Model Reference Adaptive Control (MRAC); experimental validation and multibody simulations; industrial applications in cranes and transport systems
(This special issue belongs to the Section Machine Design and Theory)
Vibrations and Tool Wear in Metal Cutting
edited by
submission deadline 31 May 2026 | Viewed by 185 | Submission Open
Keywords: tool wear; cutting vibrations; real-time monitoring; machining stability
(This special issue belongs to the Section Material Processing Technology)
Human-Centered Manufacturing in the Era of Industry 5.0: Toward Personalized and Intelligent Collaborative Production Systems submission deadline 31 May 2026 | Viewed by 175 | Submission Open
Keywords: Industry 5.0; human-centric manufacturing; collaborative workspaces; human– machine interaction; human– robot collaboration; socio-technical systems; digital twins; smart manufacturing; resilient production systems; sustainable manufacturing; cyber– physical systems; AI in manufacturing; future manufacturing ecosystems
(This special issue belongs to the Section Industrial Systems)
Testing and Hybrid Modelling for a Reliable Prognosis in Advanced Mechanical and Aerospace Systems submission deadline 31 May 2026 | Viewed by 137 | Submission Open
Keywords: operative loading identification and replication; non-destructive testing and inspection; structural health monitoring; experiment-based structural dynamics; model updating; material testing; cumulative damage; defect acceptance strategies; maintenance; uncertainty; hybrid modelling; risk mapping
(This special issue belongs to the Section Machines Testing and Maintenance)
Advances in the Control of Electro-Hydraulic Servo Systems
edited by
submission deadline 31 May 2026 | Viewed by 132 | Submission Open
Keywords: electro-hydraulic servo systems; nonlinear control; adaptive control; sliding mode control; fuzzy logic; model predictive control; inverse control; reference model strategy; offline correction; rapid prototyping; transportation; digital twin; hydraulic accumulators; fault diagnosis; energy efficiency; Industry 4.0
Unsteady Flow Phenomena in Fluid Machinery Systems
edited by , , and Hao Chang
submission deadline 31 May 2026 | Viewed by 124 | Submission Open
Keywords: fluid machinery; turbulence; vortex dynamics; multiphase flow; fluid– structure interaction
(This special issue belongs to the Section Turbomachinery)
Advances in Micro/Nano Robotics
edited by Georges Adam
submission deadline 31 May 2026 | Viewed by 103 | Submission Open
Keywords: microfabrication; soft materials; smart materials (functional materials); micro 3D/4D printing; active/passive sensing; advanced manufacturing techniques; bio-hybrid microrobots
(This special issue belongs to the Section Robotics, Mechatronics and Intelligent Machines)
Intelligent Predictive Maintenance and Machine Condition Monitoring
edited by Cai Yi and
submission deadline 31 May 2026 | Viewed by 97 | Submission Open
Keywords: intelligent fault prediction; machine condition monitoring; maintenance
(This special issue belongs to the Section Machines Testing and Maintenance)
Multi-Spacecraft Coordination and Intelligent Aircraft Autonomous Control
edited by Shuyi Shao
submission deadline 31 May 2026 | Viewed by 96 | Submission Open
Keywords: intelligent control; flight control; path planning; discrete control; fractional-order control
(This special issue belongs to the Section Automation and Control Systems)
Advances in Combustion Science for Future IC Engines, 2nd Edition submission deadline 31 May 2026 | Viewed by 92 | Submission Open
Keywords: combustion concepts; strategies; and control; IC engines; alternative fuels
(This special issue belongs to the Section Electromechanical Energy Conversion Systems)
Use of Digital Twin Technology for Intelligent Mechanical Operations and Maintenance
edited by Kai Zhang, Qing Zheng, Zihao Lei, and
submission deadline 31 May 2026 | Viewed by 90 | Submission Open
Keywords: operations and maintenance; artificial intelligence; deep learning; fault detection; fault diagnosis; remaining-useful-life prediction; digital twin
(This special issue belongs to the Section Machines Testing and Maintenance)
Smart Vibration Control and Suspension Systems in Automotive Engineering
edited by Renkai Ding
submission deadline 31 May 2026 | Viewed by 70 | Submission Open
Keywords: smart suspension systems; vibration control; vehicle dynamics; active/semi-active control; energy-harvesting; advanced control algorithms; electric and autonomous vehicles
(This special issue belongs to the Section Vehicle Engineering)
Advanced Flight Control and Intelligent Trajectory Planning in UAVs
edited by
submission deadline 31 May 2026 | Viewed by 69 | Submission Open
Keywords: flight control; trajectory planning; comprehensive guidance
Mechanics and Industrial Automation
edited by
submission deadline 31 May 2026 | Viewed by 57 | Submission Open
Keywords: mechanical engineering; mechanics; control; industrial automation; computer simulation; programming; manufacturing; computer simulation; process control
(This special issue belongs to the Section Advanced Manufacturing)
Intelligent Control for Autonomous and Unmanned Systems
edited by
submission deadline 31 May 2026 | Viewed by 12 | Submission Open
Keywords: UAVs; UGVs; AUVs; MASs; adaptive control; optimal control; NN-based control; RL control; fuzzy control
(This special issue belongs to the Section Automation and Control Systems)
Advances in Vehicle Suspension System Optimization and Control
edited by Buyun Zhang and Chin-An Tan
submission deadline 30 Jun 2026 | 9 articles | Viewed by 11442 | 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)
Machine Tools for Precision Machining: Design, Control and Prospects
edited by and Shanglei Jiang
submission deadline 30 Jun 2026 | 7 articles | Viewed by 10362 | 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 9679 | 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 4894 | 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 4797 | 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)
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 3188 | 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 | 3 articles | Viewed by 2842 | 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)
Advanced Power Electronic Technologies in Electric Drive Systems, 2nd Edition
edited by
submission deadline 30 Jun 2026 | 3 articles | Viewed by 2338 | 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)
Reliability in Mechanical Systems: Innovations and Applications
edited by , Feifei Zhao and
submission deadline 30 Jun 2026 | 2 articles | Viewed by 2224 | 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)
Recent Advances in Compliant Mechanisms
edited by Ayse Tekes
submission deadline 30 Jun 2026 | Viewed by 657 | 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)
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 520 | 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)
Cutting-Edge Innovations in Precision Machining and Forming Technology
edited by , , and Jian Weng
submission deadline 30 Jun 2026 | Viewed by 494 | 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)
Systems Modelling, Simulation and Experimentation for Condition Monitoring
edited by
submission deadline 30 Jun 2026 | Viewed by 196 | 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)
Advances in Virtual Prototyping of Mechanical Systems for Design and Manufacturing
edited by Alberto Vergnano and
submission deadline 30 Jun 2026 | Viewed by 178 | Submission Open
(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 149 | 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)
Next-Level Energy Storage Solutions for Electric Road and Maritime Mobility: Innovations in Cost, Performance and Safety submission deadline 30 Jun 2026 | Viewed by 141 | 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)
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