A unified formula of fault-tolerant algorithms considering joint velocity jump for redundant robots

Author:

Zhao J1,Xie B1,Liu Y1

Affiliation:

1. The College of Mechanical Engineering & Applied Electronics Technology, Beijing University of Technology, Beijing, People’s Republic of China

Abstract

Based on the previous research studies, the analytical formula of the optimal joint velocity with minimum jump for robots with multi-degrees of redundancy is derived. This new algorithm considers the motion planning of healthy and reduced robots at the same time to achieve an overall better performance of fault tolerance. Simulation examples are implemented with a planar 4 R robot and a 5 R spatial robot. In the end, the issues of reducing the joint velocity jump and thereby improving the motion stability for both single-degree and multi-degree redundant robots in fault-tolerant operations are completely solved.

Publisher

SAGE Publications

Subject

Mechanical Engineering

Cited by 2 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Optimal resource allocation method and fault-tolerant control for redundant robots;Mechanical Sciences;2023-10-06

2. Motion similarity comprehensive evaluation of humanoid robot arm based on dynamic comprehensive evaluation method;Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science;2020-03-26

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