Internal combustion (IC) engines with electronic management systems have developed to mechatronic systems. They basically consist of a thermodynamic process, electromechanic, hydraulic or pneumatic actuators, electronic sensors and one ore more digital control units with their specific software. In order to meet rising demands concerning drivability, emissions and consumption under the restriction of shorter development cycles, there is a rising need for modern identification methods (neural networks) and software/hardware tools (Rapid Control Prototyping, Hardware-in-the-Loop-Simulation) for the design of engine control units. In this contribution, a software/hardware environment for a mechatronic design approach for engine control systems is discussed. A dynamic engine test stand equipped with a Rapid Control Prototyping (RCP) system is described which allows fast and comfortable design and testing of new control functions. Enlarged with an on-line indication system, a cylinder pressure based engine management system can be established, where the desired control settings are calculated by an upper level engine optimization. Time-variant optimization strategies for an improved exhaust-, consumption- and drivability performance were developed by means of adequate models of the engine behavior with fast neural networks.


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    Title :

    Mechatronic design approach for engine management systems


    Additional title:

    Mechatronischer Entwicklungsansatz für Motorsteuerungssysteme


    Contributors:
    Hafner, M. (author) / Jost, O. (author) / Isermann, R. (author)


    Publication date :

    2000


    Size :

    6 Seiten, 9 Bilder, 7 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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