A gripper is described for manipulation in natural, unstructured environments. The specific manipulation task is to pick up surface material such as pebbles or small rocks in a natural terrain. The application is to give autonomous sampling capabilities to an autonomous vehicle for planetary exploration. The authors describe the task analysis process that led to the selection of a configuration with three soft fingers. They carry out a complete analysis of the stability of a grasp for this gripper including an analysis of the deformation of the fingers at the points of contact. The implementation of a grasp selection algorithm is described, and results on three-dimensional representations of objects computed from range data are presented.


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    Titel :

    A three-finger gripper for manipulation in unstructured environments


    Weitere Titelangaben:

    Ein Dreifingergreifer für Manipulationen in unstrukturierten Umgebungen


    Beteiligte:
    Francois, C. (Autor:in) / Ikeuchi, K. (Autor:in) / Hebert, M. (Autor:in)


    Erscheinungsdatum :

    1991


    Format / Umfang :

    6 Seiten, 14 Quellen




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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