Distributed Obstacles Avoidance For UAVs Formation Using Consensus-based Switching Topology
Kheireddine Choutri · International Journal of Computing and Digital Systems · 2019
Nowadays, most of the recent researches are focusing on the use of multi-UAVs in both civil and military applications.Multiple robots can offer many advantages compared to a single one such as reliability, time decreasing and various simultaneous interventions.However, solving the formation control and obstacles avoidance problems is still a big challenge.This paper proposes a distributed strategy for UAVs formation control and obstacles avoidance using a consensus-based switching topology.This novel approach allows UAVs to keep the desired topology and switch it in the event of avoiding obstacles.A double loop control structure is designed using a backstepping controller for tracking of the reference path, while a Sliding Mode Controller (SMC) is adopted for formation control.Furthermore, collaborative obstacles avoidance is assured by switching the swarm topology.Numerical simulations show the efficiency of the proposed strategy.