期刊
AUTOMATICA
卷 123, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.automatica.2020.109303
关键词
Robot navigation; Obstacle avoidance; Uncertain dynamics; Adaptive control
资金
- H2020 ERC Starting Grant BUCOPHSYS
- European Union's Horizon 2020 Research and Innovation Programme [731869]
- Swedish Research Council (VR)
- Knut och Alice Wallenberg Foundation (KAW)
- Swedish Foundation for Strategic Research (SSF)
This paper addresses the problem of robot motion planning in workspaces with obstacle and uncertain 2nd-order dynamics, combining potential-based feedback controllers with adaptive control techniques. The study is based on sphere world-based configuration spaces and extends the results to arbitrary star-shaped environments, proposing an algorithm for decentralized multi-robot systems. Theoretical findings are verified through extensive simulation results.
This paper considers the problem of robot motion planning in a workspace with obstacles for systems with uncertain 2nd-order dynamics. In particular, we combine closed form potential-based feedback controllers with adaptive control techniques to guarantee the collision-free robot navigation to a predefined goal while compensating for the dynamic model uncertainties. We base our findings on sphere world-based configuration spaces, but extend our results to arbitrary star-shaped environments by using previous results on configuration space transformations. Moreover, we propose an algorithm for extending the control scheme to decentralized multi-robot systems. Finally, extensive simulation results verify the theoretical findings. (c) 2020 Elsevier Ltd. All rights reserved.
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