文章基本信息

标题：Compliant Biped Walking on Uneven Terrain with Point Feet
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作者：Wenqi Hou ; Taihui Zhang ; Yangzhen Chen and Hongxu Ma 等
期刊名称：International Journal of Advanced Robotic Systems
印刷版ISSN：1729-8806
电子版ISSN：1729-8814
出版年度：2016
卷号：13
DOI：10.5772/62330
语种：English
出版社：SAGE Publications
摘要：In this paper, we aim to realize compliant biped walking on uneven terrain with point feet. A control system is designed for a 5-link planar biped walker. According to the role that each leg plays, the control system is decomposed into two parts: the swing leg control and the support leg control. The trajectory of the swing foot is generated in real-time to regulate the walking speed. By considering the reaction torque of the swing leg’s hip joint as disturbance, a sliding model controller is implemented at the support leg’s hip joint to control the torso’s posture angle. In order to make sure the landing foot does not rebound after impact, the vertical contact force control is set as the internal loop of the hip’s height control. In simulation, the control system is tested on a virtual 5-link planar biped walker in Matlab. Finally, stable biped walking is realized on uneven terrain with roughness up to 2cm.
关键词：Biped; Compliant Walking; Point Foot; Uneven Terrain; Walking Pattern Generation