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The wheels of planetary rovers typically have grousers (i.e., lugs, cleats) on their surface to provide grip for climbing in loose soil. However, from the viewpoint of designing wheels, there exist few theoretical methods or models for determining the grouser interval for a wheel. The goal of this study is to provide a fundamental guideline for determining the grouser interval on a wheel. To this...
Numerical simulation analysis of the motion of wheeled mobile robots is significant for both their R&D and control phases, especially due to the recent increase in the number of planetary exploration missions. Using the position/orientation of the rover body and all the joint angles as generalized coordinates, the Jacobian matrices and recursive dynamic models are derived. Terramechanics models...
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