UIO based robust fault detection and estimation
Control, Decision and Information Technologies（2013）
摘要
This paper deals with the robust actuator fault diagnosis by using an Unknown Input Observer (UIO). The proposed UIO design guarantees robust residual generation through decoupling the disturbances effects from the fault ones. A Generalized Observer Scheme (GOS) based on a bank of unknown input observers is exploited for fault isolation. The fault estimation is, then, allowed by an algebraic transformation. A simulation case study is given to support the theoretical development.
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关键词
actuators,algebra,control system synthesis,fault diagnosis,observers,robust control,gos,uio based robust fault detection,uio design,algebraic transformation,disturbances effects decoupling,fault estimation,fault isolation,generalized observer scheme,robust actuator fault diagnosis,robust residual generation,unknown input observers,fault detection,robustness,vectors
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