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Design of integrated systems for the control and detection of actuator/sensor faults

Jakob Stoustrup (Professor at the Department of Control Engineering, Aalborg University, Fredrik Bajersvej 7, DK‐9220 Aalborg East, Denmark)
M.J. Grimble (Professor and Director at the Industrial Control Centre, University of Strathclyde, Graham Hills Building, 50 George Street, Glasgow G1 1QE, UK)
Henrik Niemann (Associate Professor at the Department of Automation, Technical University of Denmark, Building 326, DK‐2800 Lyngby, Denmark)

Sensor Review

ISSN: 0260-2288

Article publication date: 1 June 1997

706

Abstract

Considers control systems operating under potentially faulty conditions. Discusses the problem of designing a single unit which not only handles the required control action but also identifies faults occurring in actuators and sensors. In common practice, units for control and for diagnosis are designed separately. Attempts to identify situations in which this is a reasonable approach and cases in which the design of each unit should take the other into consideration. Presents a complete characterization for each case and gives systematic design procedures for both the integrated and non‐integrated design of control and diagnosis units. Shows how a combined module for control and diagnosis can be designed which is able to follow references and reject disturbances robustly, control the system so that undetected faults do not have disastrous effects, reduce the number of false alarms and identify which faults have occurred.

Keywords

Citation

Stoustrup, J., Grimble, M.J. and Niemann, H. (1997), "Design of integrated systems for the control and detection of actuator/sensor faults", Sensor Review, Vol. 17 No. 2, pp. 138-149. https://doi.org/10.1108/02602289710170311

Publisher

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MCB UP Ltd

Copyright © 1997, MCB UP Limited

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