Robust state-feedback control of input/state switched asynchronous sequential machines under arbitrary switching and transient faults

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Yang, Jung-Min and Jeong, Byongug and Woo Kwak, Seong (2026) Robust state-feedback control of input/state switched asynchronous sequential machines under arbitrary switching and transient faults. Journal of the Franklin Institute, 363 (8). 108634. ISSN 0016-0032 (https://doi.org/10.1016/j.jfranklin.2026.108634)

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Abstract

This article presents a novel state-feedback control scheme for input/state switched asynchronous sequential machines (ASMs) vulnerable to the external switching signal and transient faults. The control objective is to match the stable-state behavior of the closed-loop system to that of a reference model against both arbitrary switching sequences by the external switching signal and unauthorized state transitions by transient faults. To this end, stable reachability of switched ASMs and influences of arbitrary switching and transient faults are quantified by skeleton matrices. Based on these matrix expressions, the existence condition and design procedure for a state-feedback corrective controller are addressed so that the closed-loop system can tolerate any combination of arbitrary switchings and unauthorized transitions, while ensuring the desirable input/state behavior. In addition to theoretical advancements, the applicability of the proposed control scheme is verified by conducting hardware experiments on a space-borne digital system implemented on field-programmable gate array (FPGA) circuitry. This study demonstrates the versatility of corrective control to compensate for the operation of switched ASMs disrupted by both arbitrary switching and faulty transitions.

ORCID iDs

Yang, Jung-Min, Jeong, Byongug ORCID logoORCID: https://orcid.org/0000-0002-8509-5824 and Woo Kwak, Seong;
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