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.


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    Title :

    A Simplified Instrument Failure Detection Scheme


    Contributors:

    Published in:

    Publication date :

    1978-07-01


    Size :

    1150360 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



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