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Resilient Corrective Control of Asynchronous Sequential Machines Against Intermittent Loss of Actuator Outputs | IEEE Journals & Magazine | IEEE Xplore

Resilient Corrective Control of Asynchronous Sequential Machines Against Intermittent Loss of Actuator Outputs


Abstract:

This article proposes a resilient corrective control scheme for input/state asynchronous sequential machines (ASMs) against a class of actuator faults in which certain ac...Show More

Abstract:

This article proposes a resilient corrective control scheme for input/state asynchronous sequential machines (ASMs) against a class of actuator faults in which certain actuator outputs cannot be generated temporarily. We first present a mathematical formulation to describe the reachability of the controlled ASM damaged by the intermittent loss of actuator outputs. Based on the mathematical formulation, we address the existence condition and design procedure for a state-feedback corrective controller and a diagnoser that achieve resilience, that is, to make the closed-loop system exhibit normal input/state behaviors despite the intermittent loss of actuator outputs. To validate the applicability of the proposed concept and methodology, the closed-loop system of a practical asynchronous digital system is implemented on a field-programmable gate array (FPGA) and experimental verifications are provided.
Published in: IEEE Transactions on Cybernetics ( Volume: 53, Issue: 10, October 2023)
Page(s): 6109 - 6121
Date of Publication: 13 May 2022

ISSN Information:

PubMed ID: 35560095

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