Dynamic modeling and simulation of planetary rovers

Statistics – Computation

Scientific paper

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Computer Aided Design, Computerized Simulation, Dynamic Models, Planetary Surfaces, Roving Vehicles, Mars Sample Return Missions, Mars Surface

Scientific paper

This paper documents a preliminary study into the dynamic modeling and computer simulation of wheeled surface vehicles. The research centered on the feasibility of using commercially available multibody dynamics codes running on engineering workstations to perform the analysis. The results indicated that physically representative vehicle mechanics can be modeled and simulated in state-of-the-art Computer Aided Engineering environments, but at excessive cost in modeling and computation time. The results lead to the recommendation for the development of an efficient rover mobility-specific software system. This system would be used for vehicle design and simulation in planetary environments; controls prototyping, design, and testing; as well as local navigation simulation and expectation planning.

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