This paper describes an idle speed control system with real time torque estimation. The objectives of idle speed control system design are considered. The nonlinear model of the plant and the non-linearities of the system are analyzed. The torque estimation procedure, based on an engine torque model, is described. The nonlinear control strategy enabling the system linearization is proposed. The control system design, based on linear and nonlinear models of the plant, is described. The control system stability analysis following the control system design utilizes the Popov theorem. It justifies the control system design. The application of the feedforward controller improving the system performance is considered. The rapid prototyping equipment is used to simplify the system calibration, evaluation and the practical implementation of the proposed control strategy in vehicle.


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    Title :

    Automotive idle speed control with real time torque estimation


    Additional title:

    Die Leerlaufregelung von Otto-Motoren mit einer Drehmomentregelung im Echtzeitbetrieb


    Contributors:
    Livshiz, M. (author)


    Publication date :

    1999


    Size :

    11 Seiten, 9 Bilder, 24 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Automotive Idle Speed Control with Real Time Torque Estimation

    Livshiz, M. / International Symposium on Automotive Technology and Automation | British Library Conference Proceedings | 1999


    Automotive idle speed control with real time torque estimation

    Livshiz,M. / General Motors,US | Automotive engineering | 1999


    Optimal idle speed control of an automotive engine

    Han,M. / Loh,R.N. / Wang,L. et al. | Automotive engineering | 1998


    Absolute Stability of Automotive Idle Speed Control Systems

    Sanvido, D. / Livshiz, M. | SAE Technical Papers | 1996


    Absolute stability of automotive idle speed control systems

    Livshiz,M. / Sanvido,D. / General Motors,US | Automotive engineering | 1996