Real-time safety for human-robot interaction

被引:80
作者
Kulic, D [1 ]
Croft, EA [1 ]
机构
[1] Univ British Columbia, Dept Mech Engn, Vancouver, BC V6T 1Z4, Canada
关键词
human-robot interactions; robotic safety; safety level estimation; on-line trajectory planning;
D O I
10.1016/j.robot.2005.10.005
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This paper presents a strategy for ensuring safety during human-robot interaction in real time. A measure of danger during the interaction is explicitly Computed, based on factors affecting the impact force during a potential collision between the human and the robot. This danger index is then used as an input to real-time trajectory generation when the index exceeds a predefined threshold. The danger index is formulated to produce a provably stable, fast response in the presence of multiple surrounding obstacles. A motion strategy to minimize the danger index is developed for articulated multi-degree-of-freedom robots. Simulations and experiments show the efficacy of this approach. (C) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码:1 / 12
页数:12
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