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Research on robotic arm path planning method based on two-stage RRT* optimization algorithm

delete2025-09-30
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PRE
AI
E
Entie Qi *
Z
Zhang, Tonglin
Z
Zhao, Liying
F
Feng Han
G
Ge Jialong
Q
Qi, Yanbo
Y
Yinpeng Qi
DOI:10.1088/2631-8695/adfa6cdelete
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摘要

摘要

En 中文
针对机械臂动态路径规划中计算成本高和收敛速度慢的问题,本文提出了一种两阶段RRT*(快速探索随机树*)优化算法。在探索阶段,为减少RRT*路径探索的随机性,采用基于优先级队列的启发式采样策略,将无效路径探索减少62.9%;在优化阶段,为提升路径收敛速度,通过即时传播代价更新策略,使改进算法的收敛速度较RRT*提升了2.5倍。实验表明,在6自由度机械臂的动态避障场景下,通过上述两阶段优化框架,改进RRT*的路径代价降低了17.24%,运行时间缩短至RRT*的30.09%。该算法为机械臂路径规划提供了参考价值。
Keyword:
RRT* algorithm
heuristic sampling strategy
prioritized queues
disseminate cost updates immediately
path planning

期刊

E
Engineering Research Express
IF:
1.6
论文数:
2.1K
被引数:
0

机构

C
Changchun Institute Technology
学者数:
691
论文数: 440
被引数: 12
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