This paper proposes a distributed estimation and control strategy for cooperative monitoring by swarms of unmanned aerial vehicles (UAVs) modeled as constant-speed unicycles. The geometric moments, encoding an abstraction of the swarm, are controlled via a nonlinear gradient descent to match those of a discrete set of particles describing the occurrence of some event of interest to be monitored. Because of its limited sensing capabilities, each agent can measure the position of only a subset of the overall particles, from which it locally estimates the desired moments of the swarm running a proportional-integral (PI) average consensus estimator. The closed-loop stability of the system arising from the combination of the gradient-descent controllers and the consensus estimators is studied and simulation results are provided to illustrate the proposed theory.
Estimation and Control of UAV Swarms for Distributed Monitoring Tasks
ACC, American Control Conference, 2011 ; 1069-1075
2011
7 Seiten, 19 Quellen
Aufsatz (Konferenz)
Englisch
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