The attributes of spacecrafts diagnosis are analyzed. To make up for the deficiencies of existing modeling methods, a hybrid and hierarchy approach to model-based diagnosis is presented. The model description capacity is improved through a hybrid describing way. The advantage of easy abstraction of qualitative knowledge is reserved and the state-space explosion due to discrete abstraction is handled. Based on the analysis of hierarchy modeling process, a model describing language is proposed. To validate the feasibility, a distribution circuit is modeled, which is typical in the electrical power system of spacecrafts and the modeling process is simplified through module reuse.


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    Title :

    A Hybrid and Hierarchy Modeling Approach to Model-Based Diagnosis


    Contributors:
    Wang, Dong (author) / Feng, Wenquan (author) / Li, Jingwen (author)


    Publication date :

    2011


    Size :

    8 Seiten





    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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