Novel fault detection criteria based on linear quadratic control performances

Dušan Krokavec; Anna Filasová

International Journal of Applied Mathematics and Computer Science (2012)

  • Volume: 22, Issue: 4, page 929-938
  • ISSN: 1641-876X

Abstract

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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.

How to cite

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Dušan Krokavec, and Anna Filasová. "Novel fault detection criteria based on linear quadratic control performances." International Journal of Applied Mathematics and Computer Science 22.4 (2012): 929-938. <http://eudml.org/doc/244546>.

@article{DušanKrokavec2012,
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.},
author = {Dušan Krokavec, Anna Filasová},
journal = {International Journal of Applied Mathematics and Computer Science},
keywords = {performance degradation; fault detection schemes; discrete-time systems; LQ control methods},
language = {eng},
number = {4},
pages = {929-938},
title = {Novel fault detection criteria based on linear quadratic control performances},
url = {http://eudml.org/doc/244546},
volume = {22},
year = {2012},
}

TY - JOUR
AU - Dušan Krokavec
AU - Anna Filasová
TI - Novel fault detection criteria based on linear quadratic control performances
JO - International Journal of Applied Mathematics and Computer Science
PY - 2012
VL - 22
IS - 4
SP - 929
EP - 938
AB - 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.
LA - eng
KW - performance degradation; fault detection schemes; discrete-time systems; LQ control methods
UR - http://eudml.org/doc/244546
ER -

References

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