Residual generation and fault detection for discrete-time systems using an l∞ technique
作者:
YANNIS E. FAITAKIS,
JEFFREY C. KANTOR,
期刊:
International Journal of Control
(Taylor Available online 1996)
卷期:
Volume 64,
issue 1
页码: 155-174
ISSN:0020-7179
年代: 1996
DOI:10.1080/00207179608921622
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
The paper presents a new design for a robust output observer and demonstrates that it can be used to detect sensor faults in uncertain systems with output disturbances. The time-domain design uses anl ∞ technique to minimize a norm of the estimation error. The estimation error forms a residual signal that is the basis for fault detection, fault isolation and disturbance rejection. The minimum detectable fault and the maximum non-detectable fault are introduced to quantify the sensitivity of the detection scheme at a given alarm threshold. These quantities are obtained as solutions to non-convex optimization problems.
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