A NEW-TYPE WHEEL-LEGGED LUNAR ROVER AND ITS MOBILE PERFORMANCE ANALYSIS

摘要

Based on the principle of a double-half-revolution mechanism, a new-style wheel-legged lunar rover was proposed in this paper. Its mobile system includes rover body frame, four identical wheel-legged components and steering brackets, etc. The independently driven and steering wheel-legged components are based on a double-half-revolution mechanism, and their driving moments are transmitted by two tandem planetary gear trains. Its mobile performance was analyzed, including fluctuation of rover body, capability of anti-rolling and vertical obstacle-climbing capability. Analysis shows that the wheel-legged lunar rover with double-half-revolution mechanism is adaptive to the undulate lunar surface.