Online Trajectory Generation with Distributed Model Predictive Control for Multi-Robot Motion Planning release_u7y5te5lvze3pkglelmivgvte4

by Carlos E. Luis, Marijan Vukosavljev, Angela P. Schoellig

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2019  

Abstract

We present a distributed model predictive control (DMPC) algorithm to generate trajectories in real-time for multiple robots. We adopted the on-demand collision avoidance method presented in previous work to efficiently compute non-colliding trajectories in transition tasks. An event-triggered replanning strategy is proposed to account for disturbances in the system. Our simulation results show that the proposed collision avoidance method can reduce, on average, around 50% of the travel time required to complete a multi-agent point-to-point transition when compared to the well-studied Buffered Voronoi Cells (BVC) approach. Additionally, it shows a higher success rate in transition tasks with a high density of agents, with more than 90% success rate with 30 palm-sized quadrotor agents in a 18 m^3 arena. The approach was experimentally validated with a swarm of up to 20 drones flying in close proximity.
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Date   2019-09-11
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arXiv  1909.05150v1
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