軌道曲率制約下のマルチロボットシステムのための分散安全協調ベクトル場
Distributed Safe Cooperative Vector Field for Trajectory Curvature Constrained Multi-Robot Systems
ロボットの旋回能力限界による軌道曲率制約を考慮し、協調移動と衝突回避を両立する分散ベクトル場手法を提案し、実機実験で有効性を示した。
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著者: Zhouru Xiao, Tao Teng, Weijia Yao, Hui Zhang, Xiangke Wang, Yaonan Wang
分類: cs.RO
原文アブストラクト
Trajectory curvature constraints are inherent in practical multi-robot systems due to the limited turning capabilities of the robots. Without properly accounting for these constraints, robots may fail to accomplish assigned tasks, and their trajectories may diverge from the intended paths. This paper proposes a distributed safe cooperative vector field approach for multi-robot systems subject to trajectory curvature constraints. The proposed approach is composed of a cooperative vector field and a safety-oriented collision avoidance vector field, aiming to address the problems of cooperative motion and safe collision avoidance in multi-robot path-following tasks. A safety-oriented collision avoidance vector field with adaptively adjustable reactive boundary is developed to accommodate the kinematic curvature constraints of robots, thereby ensuring the physical feasibility of collision avoidance maneuvers. The proposed vector field requires only a single virtual variable from each neighboring robot to achieve cooperative motion and ensure both obstacle avoidance and inter-robot collision avoidance. The effectiveness of the proposed approach is validated through both simulations and real-world experiments on an actual multi-robot platform.