Hydraulic system is very important for the performance of AT. The dynamic characteristics of automatic transmission hydraulic system are studied in this paper. Because the valves in the hydraulic system are not standard parts, ITI-SimulationX, the multi-domain physics simulation software from ITI GmbH, is used to build the dynamic model of the hydraulic system based on the basic elements in the library of SimulationX. And then the dynamic characteristics of the system are simulated. The simulation results and the test results from the test bench are compared to confirm the simulation model. The results show that the simulation model can couple with the real system very well and the simulation model can be confirmed. Based on the confirmed simulation model, the effects of different parameters of the hydraulic system on the characteristics of the system are analyzed. Considering the clutch closing process as the optimization objectives, the parameters of the hydraulic system are optimized to solve the problem of clutch failure successfully. The methods in this paper can be used in hydraulic system design and shift control strategy optimization.


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    Titel :

    Dynamic Characteristic Simulation of AT Hydraulic System


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Zhenkun, Dai (Autor:in) / Yanfang, Liu (Autor:in) / Shuhan, Wang (Autor:in) / Xiangyang, Xu (Autor:in)

    Kongress:

    2008 SAE International Powertrains, Fuels and Lubricants Congress ; 2008



    Erscheinungsdatum :

    2008-06-23




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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