A simplified version of the dedicated observer scheme for detecting incipient instrument failures in automatic systems is presented. This scheme requires only a single observer, driven by a single instrument. Simple logical combinations of estimated instrument outputs from the observer with the actual instrument outputs allow small faults in all the instruments to be detected. Tests on a simulation of a practical system indicate the scheme is robust with respect to a small uncertainty in a dynamic parameter of the controlled plant.
A Simplified Instrument Failure Detection Scheme
IEEE Transactions on Aerospace and Electronic Systems ; AES-14 , 4 ; 558-563
1978-07-01
1150360 byte
Article (Journal)
Electronic Resource
English
A simplified instrument failure detection scheme
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