A speed controller's primary input, for an internal combustion engine-based vehicle, is the throttle angle. The most common way to adjust the throttle angle setting is with a pneumatic actuator. When a faster and more accurate throttle response is desired, the pneumatic based system is generally replaced with a stepping motor mounted directly on the throttle plate assembly. For controller design purposes that fit the physical situation, a model of the throttle actuator system has been developed that is comprised of two second-order linear systems. Using this variable structure model, a switching controller has been designed which has been verified, both theoretically and experimentally, to work satisfactorily. This paper provides an interesting example of designing a reference tracking controller for a real physical system by switching between its stable and unstable structures while achieving closed loop stability.


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    Title :

    Switching control of a pneumatic throttle actuator


    Contributors:

    Published in:

    Publication date :

    1998


    Size :

    7 Seiten, 5 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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