<abstract xmlns="http://www.w3.org/1999/xhtml"><p>This paper proposes a new approach to designing a relatively simple algorithmic fault detection system that is potentially applicable in embedded diagnostic structures. The method blends the LQ control principle with checking and evaluating unavoidable degradation in the sequence of discrete-time LQ control performance index values due to faults in actuators, sensors or system dynamics. Design conditions are derived, and direct computational forms of the algorithms are given. A simulation example subject to different types of failures is used to illustrate the design process and to demonstrate the effectiveness of the method.</p></abstract>

This paper proposes a new approach to designing a relatively simple algorithmic fault detection system that is potentially applicable in embedded diagnostic structures. The method blends the LQ control principle with checking and evaluating unavoidable degradation in the sequence of discrete-time LQ control performance index values due to faults in actuators, sensors or system dynamics. Design conditions are derived, and direct computational forms of the algorithms are given. A simulation example subject to different types of failures is used to illustrate the design process and to demonstrate the effectiveness of the method.

Novel fault detection criteria based on linear quadratic control performances

Department of Cybernetics and Artificial Intelligence, Faculty of Electrical Engineering and Informatics Technical University of Kósice, Letná 9/B, 042 00 Kósice, Slovakia

International Journal of Applied Mathematics and Computer Science

{"article-title":"Novel fault detection criteria based on linear quadratic control performances"}

This paper proposes a new approach to designing a relatively simple algorithmic fault detection system that is potentially applicable in embedded diagnostic...

Novel fault detection criteria based on linear quadratic control performances

Published Online: Dec 28, 2012

Page range: 929 - 938

DOI: https://doi.org/10.2478/v10006-012-0069-7

This content is open access.