Bionic Design for Mars Sampling Scoop Inspired by Himalayan Marmot Claw.
作者： Long Xue , Rong Rong Zhang , Wei Zong , Jia Feng Song , Meng Zou
DOI: 10.1155/2016/5713683
关键词:
摘要: Cave animals are often adapted to digging and life underground, with claw toes similar in structure function a sampling scoop. In this paper, the clawed of Himalayan marmot were selected as biological prototype for bionic research. Based on geometric parameter optimization toes, scoop use Mars was designed. Using 3D laser scanner, point cloud data second front toe acquired. Parametric equations contour curves then built cubic polynomial fitting. We obtained 18 characteristic curve internal external contours claw. A designed according structural parameters Curiosity’s shovel marmot’s Verifying test results showed that when penetration angle 45° speed 0.33 r/min, scoops’ resistance torque 49.6% less than When 60° 0.22 r/min, 28.8% lower
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