Abstract
Simulation technology is an efficient approach for lunar rover designing, analyzing, optimizing. Constructing virtual lunar surface is a base of such researching works. A novel modeling method of virtual lunar surface based on lunar surface roughness was proposed. In this method, a mathematical formula of the lunar surface displacement power spectrum was compiled based on the National Aeronautics and Space Administration (NASA) research. The lunar surface roughness in the frequency domain model was obtained using the harmonic superposition method. The three-dimensional coordinates of the virtual lunar surface was obtained, and the lunar surface entities was built with reverse engineering software. The simulation test in ADAMS suggested the virtual lunar surface can meet the need of lunar rover performance simulation on uneven terrain.
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