The paper reports on motion control for a non-holonomic vehicle pushing several passive trailers. To avoid inter-unit collisions, tractor steering limitations were successfully applied during forward motion in our previous work. Here, this approach is extended to the case of backward motion for off-axle trailers. To this end, the last trailer is considered to behave as a virtual tractor. Then, virtual steering is computed by applying any path tracking method for single non-holonomic mobile robots, incorporating limitations if necessary. Finally, kinematic relationships are used to translate motion commands to the actual tractor. The method has been validated experimentally with two heterogeneous off-axle trailers attached to the tracked mobile robot Auriga-alpha.


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    Title :

    Virtual steering limitations for reversing an articulated vehicle with off-axle passive trailers


    Contributors:


    Publication date :

    2009


    Size :

    6 Seiten, 15 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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