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作者:

Xie, Biyun (Xie, Biyun.) | Zhao, Jing (Zhao, Jing.) (学者:赵京) | Liu, Yu (Liu, Yu.)

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EI Scopus SCIE

摘要:

Purpose - The purpose of this paper is to present a new nested rapidly-exploring random tree (RRT) algorithm for fault tolerant motion planning of robotic manipulators. Design/methodology/approach - Another RRT algorithm is nested within the general RRT algorithm. This second nested level is used to check whether the new sampled node in the first nested level is fault tolerant. If a solution can be found in the second nested RRT, the reduced manipulator after failures at the new sampled node can still fulfill the remaining task and this new sampled node is added into the nodes of RRT in the first level. Thus, the nodes in the first level RRT algorithm are all fault tolerant postures. The final trajectory joined by these nodes is also obviously fault tolerant. Besides fault tolerance, this new nested RRT algorithm also can fulfill some secondary tasks such as improvement of dexterity and obstacle avoidance. Sufficient simulations and experiments of this new algorithm on fault tolerant motion planning of robotic manipulators are implemented. Findings - It is found that the new nested RRT algorithm can fulfill fault tolerance and some other secondary tasks at the same time. Compared to other existing fault tolerant algorithms, this new algorithm is more efficient. Originality/value - The paper presents a new nested RRT algorithm for fault tolerant motion planning.

关键词:

Fault tolerance Motion planning Programming and algorithm theory Robotic manipulators Robots RRT

作者机构:

  • [ 1 ] [Xie, Biyun]Beijing Univ Technol, Coll Mech Engn & Appl Elect Technol, Beijing, Peoples R China
  • [ 2 ] [Zhao, Jing]Beijing Univ Technol, Coll Mech Engn & Appl Elect Technol, Beijing, Peoples R China
  • [ 3 ] [Liu, Yu]Beijing Univ Technol, Coll Mech Engn & Appl Elect Technol, Beijing, Peoples R China

通讯作者信息:

  • [Xie, Biyun]Beijing Univ Technol, Coll Mech Engn & Appl Elect Technol, Beijing, Peoples R China

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来源 :

INDUSTRIAL ROBOT-THE INTERNATIONAL JOURNAL OF ROBOTICS RESEARCH AND APPLICATION

ISSN: 0143-991X

年份: 2012

期: 1

卷: 39

页码: 40-46

1 . 8 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:138

JCR分区:3

中科院分区:4

被引次数:

WoS核心集被引频次: 4

SCOPUS被引频次: 7

ESI高被引论文在榜: 0 展开所有

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