A scheme to provide redundant sensor data in an automatic control system using the principle of functional redundancy is described. This scheme replaces one of three altimeters with a data processing scheme based on a Kalman filter. The filter is driven by altitude rate and acceleration signals from the air data computer and vertical accelerometer. A special initialisation technique employs the two altimeter signals. The feasibility of this scheme is indicated by tests in which data obtained from these several sensors during flight tests are used to drive the functionally redundant altimeter.


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    Title :

    A functionally redundant altimeter


    Additional title:

    Ein funktional redundanter Hoehenmesser


    Contributors:

    Published in:

    Publication date :

    1976


    Size :

    5 Seiten, 9 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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