TRW has recently launched an electrically powered, computer-controlled enhancement to commercial vehicle steering systems. ColumnDrive, the new component, precisely controls torque feedback to the driver, resulting in a synthetic or artificial steering feel. Synthetic torque feedback is most effective at masking non-linearities in the steering system that degrade the on-centre lane-keeping properties of the vehicle, as well as providing an unprecedented level of speed proportionality so that parking efforts can be optimized independently of on-centre stability. The new ColumnDrive and existing electrical power-steering control architectures are compared, and actual vehicle performance data are presented.


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    Title :

    Synthetic torque feedback to improve heavy vehicle drivability


    Contributors:


    Publication date :

    2009-12-01


    Size :

    11 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English






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