his paper presents a parity space (PS) approach for fault detection and isolation (FDI) of a cryogenic rocket engine combustion chamber. Nominal and non-nominal simulation data for three engine set points have been provided. The PS approach uses three measurements to generate residuals and a spherical transformation to map these residuals to faults. The radial co-ordinate is used for fault detection whereas the azimuthal and polar co-ordinates are used for fault isolation. Evaluation criteria are missed alarms, false alarms, and fault detection time. Although the approach needs a different residual generation method to become more robust, it works very well when compared with the other FDI approaches.• Computation of normative combustion chamber behavior using Artificial Neural Nets (ANNs). • Implementation of the approach on a real-time platform and testing it against data from combustion chamber test runs. Future work needs to investigate the robustness of the tech- niques, and how the FDI-approach can be integrated in the overall system.


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    Title :

    Fault Detection and Isolation of a Cryogenic Rocket Engine Combustion Chamber Using a Parity Space Approach


    Contributors:


    Publication date :

    2009-07-01


    Size :

    221743 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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