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Dynamical System Design for Precision System

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Mechanical Engineering".

Deadline for manuscript submissions: 20 October 2025 | Viewed by 356

Special Issue Editors

College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China
Interests: precision motion control; precision actuator; adaptive control; precision system design
Shanghai Engineering Research Center of Ultra-Precision Motion Control and Measurement, Academy for Engineering and Technology, Fudan University, Shanghai 200433, China
Interests: vibration control of precision systems; dynamic identification; ultra-low frequency vibration isolator; overcontrol of precision systems
College of Mechanical and Vehicle Engineering, Chongqing University, Chongqing 400030, China
Interests: dynamics modeling of electromechanical systems; system identification and parameter estimation; precision/ultra-precision motion control

Special Issue Information

Dear Colleagues,

Precision systems stand at the cornerstone of modern technological innovation, driving advancements in semiconductor manufacturing, robotics, aerospace, and biomedical applications. These systems demand ultra-high precision, exceptional stability, and repeatability, necessitating interdisciplinary collaboration across mechanical engineering, control theory, mechanics, materials science, and advanced sensing technologies. As challenges such as miniaturization, environmental adaptability, and quantum-scale manufacturing intensify, groundbreaking innovations are urgently required in the design, modeling, actuation, transmission, measurement, inspection, and control methodologies of precision systems. Concurrently, the rapid advancement of artificial intelligence (AI) is transcending traditional disciplinary boundaries, presenting both opportunities and challenges for the dynamic design of precision systems.

This Special Issue focuses on cutting-edge research in modeling, optimization, and control frameworks for dynamic design processes in precision systems. It aims to foster cross-domain collaboration to integrate emerging paradigms, such as AI-driven automation, digital twins, and bio-inspired design, with traditional precision engineering disciplines. By establishing cross-disciplinary collaboration platforms, this Special Issue seeks to transcend the limitations of conventional design approaches, develop dynamic design benchmarks for extreme manufacturing scenarios, and provide disruptive technological support for strategic fields including intelligent equipment and quantum devices.

Dr. Yunlang Xu
Dr. Yu Sun
Dr. Tao Huang
Guest Editors

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Keywords

  • precision equipment design
  • precision motion system
  • precision measurement and metrology
  • precision actuation and drive systems
  • precision transmission systems
  • dynamic modeling and analysis of precision systems
  • precision vibration control
  • model identification
  • overcontrol of precision systems
  • AI/ML in precision system design

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Published Papers (1 paper)

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Research

28 pages, 6466 KiB  
Article
Hybrid Compensation Method for Non-Uniform Creep Difference and Hysteresis Nonlinearity of Piezoelectric-Actuated Machine Tools Under S-Shaped Curve Trajectory
by Dong An, Zicheng Qin, Yixiao Yang, Xiaoyang Yu and Chaofeng Li
Appl. Sci. 2025, 15(8), 4207; https://doi.org/10.3390/app15084207 - 11 Apr 2025
Viewed by 178
Abstract
Piezoelectric-actuated machine tools (PAMTs) exhibit nanoscale motion capabilities, with their S-shaped curve trajectory further enabling smooth path execution and reduced terminal pulse. However, the speed changes inherent in multi-order trajectories introduce an additional non-uniform creep difference (NCD), which differs significantly from conventional hysteresis [...] Read more.
Piezoelectric-actuated machine tools (PAMTs) exhibit nanoscale motion capabilities, with their S-shaped curve trajectory further enabling smooth path execution and reduced terminal pulse. However, the speed changes inherent in multi-order trajectories introduce an additional non-uniform creep difference (NCD), which differs significantly from conventional hysteresis effects. Traditional models are inadequate for addressing this mixed shape nonlinearity. To overcome this limitation, this paper proposes a hybrid compensation method for the S-shaped curve trajectory of piezoelectric-actuated machine tools. The general deformation law is first established through a comprehensive mechanism analysis. The NCD and hysteresis, induced by speed changes and inherent properties, are decoupled and addressed using a pre-known phenomenon model and a clockwise operator model, respectively. Finally, a hybrid feedforward control strategy is developed to integrate these models for effective compensation. Experimental results demonstrate that the hybrid compensation method achieves a maximum relative error of 5.48% and a maximum mean square error of 0.28%, effectively mitigating the dual nonlinear factors arising from the piezoelectric-actuated machine tool’s trajectory in feedforward control. Full article
(This article belongs to the Special Issue Dynamical System Design for Precision System)
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