Intelligent Process Control Techniques Used for Robotics

A special issue of Processes (ISSN 2227-9717).

Deadline for manuscript submissions: 30 April 2026 | Viewed by 737

Special Issue Editors

College of Electrical Engineering, Sichuan University, Chengdu 610065, China
Interests: intelligent control; machine learning; advanced control; intelligent robot
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Institute of Advanced Technology, Nanjing University of Posts and Telecommunications, Nanjing 210003, China
Interests: fuzzy modeling; fuzzy control and filtering; networked control system; industrial automation
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
College of Electrical Engineering, Sichuan University, Chengdu 610065, China
Interests: advanced control; intelligent perception; intelligent robots
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Intelligent technologies include machine learning, fuzzy logic systems, neural networks, reinforcement learning, evolutionary algorithms, etc. In recent years, these intelligent technologies have been widely applied to various robots, such as industrial robots, medical robots, special robots, entertainment robots, etc. However, in order to adapt to the rapid development of robots, engineers have increasing requirements for intelligent technologies, including reliability, efficiency, autonomy, perception, controllability, etc. Although intelligent robots have developed rapidly in the past several decades, there are still some new technologies and application problems that need to be solved. Therefore, there is an urgent need for innovative intelligent algorithms, advanced modeling strategies, practical intelligent robot technologies, etc.

The main objective of this Special Issue is, through scientific researchers and technical engineers, to introduce the latest studies in the field of intelligent technologies for robotics, including intelligent algorithms, robotic systems, human–machine collaboration, etc. Furthermore, intelligent solutions for robotic engineering and future research prospects will also be provided. Authors are encouraged to submit their original contributions regarding the integration of intelligent technology with robotic systems. Potential topics include, but are not limited to, the following:

  • Intelligent control algorithms applied to robots (fuzzy control, neural network control, reinforcement learning control, etc.);
  • Artificial intelligence technologies applied to robots (cognitive mechanisms, machine vision, machine hearing, pattern recognition, machine reasoning, intelligent decision-making, etc.);
  • Examples of intelligent technologies applied to various robots (industrial robots, medical robots, special robots, entertainment robots, etc.);
  • Practical application examples of intelligent robots in automatic production processes (chemistry, biology, materials, energy, environment, food, pharmacy, manufacturing, etc.).

Dr. Tao Zhao
Prof. Dr. Xiangpeng Xie
Prof. Dr. Songyi Dian
Guest Editors

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Keywords

  • fuzzy logic systems
  • neural networks
  • reinforcement learning
  • evolutionary algorithms

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Published Papers (1 paper)

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Research

27 pages, 8457 KB  
Article
Design and Research of Bionic Knee Joint Robot Based on SWO Fuzzy PID Control
by Wei Li, Yukun Li, Zhengwei Yue, Zhuoda Jia, Bowen Yang and Tianlian Pang
Processes 2026, 14(5), 828; https://doi.org/10.3390/pr14050828 - 3 Mar 2026
Viewed by 281
Abstract
The rehabilitation training of patients with lower limb motor dysfunction highly relies on the precise control of biomimetic knee joint robots. Existing control strategies generally suffer from insufficient control accuracy and weak anti-interference ability, and an optimization plan that balances high precision and [...] Read more.
The rehabilitation training of patients with lower limb motor dysfunction highly relies on the precise control of biomimetic knee joint robots. Existing control strategies generally suffer from insufficient control accuracy and weak anti-interference ability, and an optimization plan that balances high precision and strong anti-interference has not yet been formed, which seriously affects the effectiveness of rehabilitation training. In order to improve the control accuracy and anti-interference ability of biomimetic knee joint robots for leg rehabilitation training of patients with lower limb movement disorders, the purpose of this study is to address the performance shortcomings of existing biomimetic knee joint robot control strategies. The goal is to propose a high-precision and strong anti-interference control strategy to provide more reliable rehabilitation support for patients with lower limb movement disorders. Therefore, this article proposes an optimization strategy based on the Spider Bee Algorithm (SWO) combined with fuzzy PID control. Based on a biomimetic knee joint robot model, this study simulates three common pathological states of knee joint ligament injury, meniscus injury, and muscle atrophy in patients, and compares the trajectory tracking and anti-interference performance of PID, fuzzy PID, and SWO fuzzy PID control strategies. The experimental results show that the SWO fuzzy PID control strategy has the best comprehensive performance: the overshoot of knee joint angle control is only 9.7%, and the peak angle error is reduced to 2.1948°; when simulating pathological conditions, the system takes the shortest time to recover stability: 1.068 s for ligament injuries and 0.929 s for meniscus injuries, with maximum response errors below 0.017°. Simulation experiments on healthy subjects showed that the system had a tracking error of ≤5° under two rehabilitation training modes, meeting clinical accuracy requirements, and had good performance in restoring stability under irregular vibration interference. The core contribution of this study is the proposal of the SWO fuzzy PID optimization control strategy, which effectively addresses the shortcomings of existing strategies and significantly improves the control accuracy and anti-interference ability of bionic knee joint robots, providing theoretical support and practical reference for the application of bionic knee joint robots. Full article
(This article belongs to the Special Issue Intelligent Process Control Techniques Used for Robotics)
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