This chapter briefly outlines the general concepts of reliability with a particular focus on redundancy architectures. Risk acceptance depends on its criticality. It is understandably accepted that an event with minor consequences occurs more frequently than an event with catastrophic consequences. The architecture and the technological choices selected to design a system depend heavily on the criticality of the functions the system performs. Where appropriate, the system can be designed to avoid failure (resistance to failure) or to control failure in case one of its components has a fault (tolerance to failure). In terms of actuation, redundancy of the actuation function is implemented by summing either forces or displacements outputted by each channel. The chapter also gives orders of magnitude for the failure rates of various elements of an actuation system. The various faults within a system all impact the system with more or less severity.


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    Title :

    Reliability


    Contributors:

    Published in:

    Publication date :

    2016-05-27


    Size :

    29 pages




    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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