The topic of this paper is systems that need be designed such that no single fault can cause failure at the overall level. A methodology is presented for analysis and design of fault-tolerant architectures, where diagnosis and autonomous reconfiguration can replace high cost triple redundancy solutions and still meet strict requirements to functional safety. The paper applies graph-based analysis of functional system structure to find a novel fault-tolerant architecture for an electrical steering where a dedicated AC-motor design and cheap voltage measurements ensure ability to detect all relevant faults. The paper shows how active control reconfiguration can accommodate all critical faults and the fault-tolerant abilities are demonstrated on a warehouse truck hardware. (All rights reserved Elsevier).


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    Title :

    Electrical steering of vehicles - fault-tolerant analysis and design


    Contributors:
    Blanke, M. (author) / Thomsen, J.S. (author)

    Published in:

    Microelectronics Reliability ; 46 , 9-11 ; 1421-1432


    Publication date :

    2006


    Size :

    12 Seiten, 17 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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