This paper investigates slip-based traction control of a planetary rover that travels over natural rough terrain. Special attention is made on the tire-soil traction mechanics and the dynamics of the rover. Experiments are carried out with a laboratory test bed to understand the physical behavior of tire-soil interaction and, thereby, a traction model is investigated using the tire slip ratio as a state variable. Specific soil and tire parameters are identified from the experimental data. A slip-based control method is proposed and tested. The proposed method keeps the slip ratio within a small value and limits excessive tire velocity or force, so that the rover can successfully traverse over sandy slopes and obstacles avoiding the situation that spinning wheels are stuck in the loose soil.


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    Titel :

    Slip-based Traction Control of a Planetary Rover


    Beteiligte:
    Siciliano, Bruno (Herausgeber:in) / Dario, Paolo (Herausgeber:in) / Yoshida, Kazuya (Autor:in) / Hamano, Hiroshi (Autor:in) / Watanabe, Toshinobu (Autor:in)


    Erscheinungsdatum :

    30.06.2003


    Format / Umfang :

    10 pages





    Medientyp :

    Aufsatz/Kapitel (Buch)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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