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仿生六足机器人基于足力分布的位姿调整策略 被引量:6

Posture control strategy based on force distribution for bionic six-legged robot
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摘要 针对六足机器人非结构化地形稳定步行问题,研究了基于足力分布的位姿调整策略.通过力学分析建立了机器人任意步态模式下的足力分布模型,获得足底受力的平衡关系;采用重心位置调整策略实现了机器人步行过程中的位姿优化,来提高步行稳定性;并且建立了虚拟悬挂模型,采用足力补偿的方法对外界的扰动进行抑制,进一步提高机器人步行的稳定性.通过仿真验证了该调整策略对提高机器人步行稳定裕度的有效性. This paper proposed a posture control strategy based on force distribution for the purpose of keeping the posture stability of six-legged robot when the robot was walking on irregular terrain.This strategy considered of establishing the force distribution model on any gait patterns to obtain the balance relationship of plantar forces,and adjusted COG(center of gravity) to achieve optimal posture control.Applied force compensation on the basis of a virtual suspension model to achieve disturbance rejection.This strategy could effectively improve the walking stability of robot on irregular terrain.Adams simulations verified the effectiveness of the control strategy to improve the robot walking stability margin.
出处 《哈尔滨商业大学学报(自然科学版)》 CAS 2012年第5期541-545,共5页 Journal of Harbin University of Commerce:Natural Sciences Edition
基金 国家自然科学基金(51105101) 机器人技术与系统国家重点实验室(哈尔滨工业大学)自主课题"多足仿生机器人高性能运动控制研究平台"(SKLRS200901A01)
关键词 仿生机器人 非结构化地形 位姿调整策略 力补偿 biomimetic robot irregular terrain posture control strategy force compensation
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参考文献9

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