Corrective control of asynchronous sequential circuits with faults from total ionizing dose effects in space

Jung Minand Yang; Seong Woo Kwak

doi:10.5302/J.ICROS.2011.17.11.1125

Corrective control of asynchronous sequential circuits with faults from total ionizing dose effects in space

Jung Minand Yang, Seong Woo Kwak

Keimyung University

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

This paper presents a control theoretic approach to realizing fault tolerance in asynchronous sequential circuits. The considered asynchronous circuit is assumed to work in space environment and is subject to faults caused by total ionizing dose (TID) effects. In our setting, TID effects cause permanent changes in state transition characteristics of the asynchronous circuit. Under a certain condition of reachability redundancy, it is possible to design a corrective controller so that the closed-loop system can maintain the normal behavior despite occurrences of TID faults. As a case study, the proposed control scheme is applied to an asynchronous arbiter implemented in FPGA.

Original language	English
Pages (from-to)	1125-1131
Number of pages	7
Journal	Journal of Institute of Control, Robotics and Systems
Volume	17
Issue number	11
DOIs	https://doi.org/10.5302/J.ICROS.2011.17.11.1125
State	Published - Nov 2011

Keywords

Asynchronous sequential circuits
Corrective control
Fault diagnosis and tolerance
TID (Total Ionizing Dose)

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10.5302/J.ICROS.2011.17.11.1125

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abstract = "This paper presents a control theoretic approach to realizing fault tolerance in asynchronous sequential circuits. The considered asynchronous circuit is assumed to work in space environment and is subject to faults caused by total ionizing dose (TID) effects. In our setting, TID effects cause permanent changes in state transition characteristics of the asynchronous circuit. Under a certain condition of reachability redundancy, it is possible to design a corrective controller so that the closed-loop system can maintain the normal behavior despite occurrences of TID faults. As a case study, the proposed control scheme is applied to an asynchronous arbiter implemented in FPGA.",

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AB - This paper presents a control theoretic approach to realizing fault tolerance in asynchronous sequential circuits. The considered asynchronous circuit is assumed to work in space environment and is subject to faults caused by total ionizing dose (TID) effects. In our setting, TID effects cause permanent changes in state transition characteristics of the asynchronous circuit. Under a certain condition of reachability redundancy, it is possible to design a corrective controller so that the closed-loop system can maintain the normal behavior despite occurrences of TID faults. As a case study, the proposed control scheme is applied to an asynchronous arbiter implemented in FPGA.

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Corrective control of asynchronous sequential circuits with faults from total ionizing dose effects in space

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