A Hierarchical Distributed Control System Design for Lower Limb Rehabilitation Robot

محفوظ في:
التفاصيل البيبلوغرافية
الحاوية / القاعدة:Technologies vol. 13, no. 10 (2025), p. 462-485
المؤلف الرئيسي: Wang Aihui
مؤلفون آخرون: Dong Jinkang, Teng Rui, Liu, Ping, Yue Xuebin, Zhang, Xiang
منشور في:
MDPI AG
الموضوعات:
الوصول للمادة أونلاين:Citation/Abstract
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024 7 |a 10.3390/technologies13100462  |2 doi 
035 |a 3265951464 
045 2 |b d20250101  |b d20251231 
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100 1 |a Wang Aihui  |u School of Automation and Electrical Engineering, Zhongyuan University of Technology, Zhengzhou 450007, China 
245 1 |a A Hierarchical Distributed Control System Design for Lower Limb Rehabilitation Robot 
260 |b MDPI AG  |c 2025 
513 |a Journal Article 
520 3 |a With the acceleration of global aging and the rising incidence of stroke, the demand for lower limb rehabilitation has been steadily increasing. Traditional therapeutic methods can no longer meet the growing needs, which has led to the widespread application of robotic solutions to address labor shortages. In this context, this paper presents a hierarchical and distributed control system based on ROS 2 and Micro-ROS. The distributed architecture decouples functional modules, improving system maintainability and supporting modular upgrades. The control system consists of a three-layer structure, including a high-level controller, Jetson Nano, for gait data processing and advanced command generation; a middle-layer controller, ESP32-S3, for sensor data fusion and inter-layer communication bridging; and a low-level controller, STM32F405, for field-oriented control to drive the motors along a predefined trajectory. Experimental validation in both early and late rehabilitation stages demonstrates the system’s ability to achieve accurate trajectory tracking. In the early rehabilitation stage, the maximum root mean square error of the joint motors is 1.143°; in the later rehabilitation stage, the maximum root mean square error of the joint motors is 1.833°, confirming the robustness of the control system. Additionally, the hierarchical and distributed architecture ensures maintainability and facilitates future upgrades. This paper provides a feasible control scheme for the next generation of lower limb rehabilitation robots. 
653 |a Data processing 
653 |a Communication 
653 |a Rehabilitation robots 
653 |a Robots 
653 |a Rehabilitation 
653 |a Data integration 
653 |a Systems stability 
653 |a Gait 
653 |a Maintainability 
653 |a Motors 
653 |a Robust control 
653 |a Embedded systems 
653 |a Control algorithms 
653 |a Control systems design 
653 |a Modular systems 
653 |a Robot dynamics 
653 |a Trajectories 
653 |a Root-mean-square errors 
653 |a Controllers 
653 |a Distributed control systems 
653 |a Design 
653 |a Modular structures 
653 |a Data exchange 
653 |a Data transmission 
653 |a Multisensor fusion 
700 1 |a Dong Jinkang  |u School of Automation and Electrical Engineering, Zhongyuan University of Technology, Zhengzhou 450007, China 
700 1 |a Teng Rui  |u School of Automation and Electrical Engineering, Zhongyuan University of Technology, Zhengzhou 450007, China 
700 1 |a Liu, Ping  |u Zhongyuan-Petersburg Aviation College, Zhongyuan University of Technology, Zhengzhou 450007, China 
700 1 |a Yue Xuebin  |u School of Automation and Electrical Engineering, Zhongyuan University of Technology, Zhengzhou 450007, China 
700 1 |a Zhang, Xiang  |u School of Automation and Electrical Engineering, Zhongyuan University of Technology, Zhengzhou 450007, China 
773 0 |t Technologies  |g vol. 13, no. 10 (2025), p. 462-485 
786 0 |d ProQuest  |t Materials Science Database 
856 4 1 |3 Citation/Abstract  |u https://www.proquest.com/docview/3265951464/abstract/embedded/75I98GEZK8WCJMPQ?source=fedsrch 
856 4 0 |3 Full Text + Graphics  |u https://www.proquest.com/docview/3265951464/fulltextwithgraphics/embedded/75I98GEZK8WCJMPQ?source=fedsrch 
856 4 0 |3 Full Text - PDF  |u https://www.proquest.com/docview/3265951464/fulltextPDF/embedded/75I98GEZK8WCJMPQ?source=fedsrch