Park lock systems are safety critical units. Due to intellectual property rights and different transmission configurations, a large variety of park lock design exists in the market. Furthermore, many park lock designs are still manually actuated. A new mechanical park lock system will be presented which is actuated by wire. The system has been optimized for rotary actuators and is extraordinarily compact. In addition, it minimizes the contact stresses due to optimized geometries. Furthermore, the functional safety and diagnostic concept for park-by-wire park lock systems, exemplarily for this system, will be presented. This will be done in accordance to current multi speed power-shift EDU concepts, including FMEA, legal, requirements summary, safety goal definition and error detection mechanism.


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    Title :

    Park by Wire System for current Electric Drive Units


    Additional title:

    Proceedings


    Contributors:

    Conference:

    MTZ-Fachkongress: Experten-Forum Powertrain ; 2022 ; Hanau, Deutschland November 09, 2022 - November 10, 2022



    Publication date :

    2023-12-31


    Size :

    9 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    German




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