Intermittent Feedback Based Rejection of Persistent Bounded Disturbance

Sawant, Vishal; Chakraborty, Debraj; Pal, Debasattam

doi:10.23919/acc.2018.8431252

Cited by 2 publications

(1 citation statement)

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“…In [16], optimal control problems due to feedback failure for continuous time LTI systems were studied. Recently, in [17], intermittent feedback based control policy is proposed in the presence of bounded disturbance. Denial-of-service (DoS) attacks which destroy data availability via packet dropouts has also been studied intensively in the recent literature such as [18], [19], [11], [12] and the references therein.…”

Section: Introductionmentioning

confidence: 99%

Impact of packet dropouts on the performance of optimal controllers and observers

Arora¹,

Sanand²

2020

Preprint

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We investigate the impact of packet dropouts due to non-idealities in communication networks on the performance of optimally derived controllers and observers in a minimax sense. These packet dropouts are modeled by discrete constrained switching signals via directed graphs. We consider time optimal control and estimation, minimum energy and fuel optimization and LQR problems for systems subject to packet dropouts which turn out to be combinatorial; and compute algorithmically the worst case performance of these optimization problems. To reduce the computational burden in solving these combinatorial problems, a partial order is imposed on the switching signals. Validation of the proposed methods is done over a set of randomly generated systems. Finally, by associating the worst case performance for each optimal control problem to the underlying network, one can optimize among the set of available communication networks.

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