A high-performance fully digital controller has been designed for the control of a switched reluctance motor (SRM) built for vehicle propulsion. The SRM is specifically designed and built to have high density and low noise. The controller is designed to maximize the machine efficiency, the peak overload capability, and to minimize torque ripple at low speed. Lookup tables are stored in a DSP based controller to calculate the control parameters online. Three interpolations, between torque command, motor speed and battery voltage, are performed to obtain the control parameters. Difficulty associated with the interpolation scheme is addressed. A high bandwidth fully digital PI current regulator has been designed for the control of the phase current. Advantages as well as the difficulties with the operation of the SRM and its control have been addressed. A complete characterization of the controller for the entire torque-speed plane has been made through extensive dyno testing. Simulation and dyno test results have been presented to demonstrate the performance of this controller.


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    Title :

    High performance fully digital switched reluctance motor controller for vehicle propulsion


    Contributors:
    Rahman, K.M. (author) / Schulz, S.E. (author)


    Publication date :

    2001


    Size :

    8 Seiten, 19 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English





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