This paper shall present advancements in electronic transmission control circuits addressing new challenges in the gearbox striving for improved vehicle efficiency and comfort of driving. Efficient chipset design, requires finding the optimal partitioning, that is the mapping of functionality to hardware or software and analog or digital circuit technology. The efficiency will be judged by minimal cost whilst achieving improved functionality and required scalability for a platform approach.Specific examples demonstrated are smart sensor architecture and new mapping of control strategies, realized with a novice integrated current control IC concept. Comparisons on system level are used to evaluate different function mappings as well as component partitioning. Details of the most optimized mapping and partitioning will be elaborated and first results of implementation in silicon components will be shown. Specific comparison will be shown for software versus hardware based current regulations and the trade-off decision for integrated current control drivers. Functional advancements are demonstrated on the example of a new intelligent position detection sensor specifically designed for transmission. Often the partitioning is gated by specific enabling features of the microcontroller. Hence this study includes the entire chipset including sensing, control and power actuation, as well as supply and communication.


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    Title :

    Cost Efficient Partitioning for New Generation of Automatic Transmission Gearbox Controllers


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    SAE 2006 World Congress & Exhibition ; 2006



    Publication date :

    2006-04-03




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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