研究了两足步行椅机器人的机械参数对步行ZMP(Zero Moment Point)稳定裕度的影响.采用稳定的参数化步态,在步态不变的情况下,改变机器人各连杆的质量、转动惯量和质心位置,分析其对ZMP稳定裕度的影响.通过仿真实验得到以下结论:合理选择大腿、小腿和上身的机械参数可以显著增加步行ZMP稳定裕度,从而降低伺服控制的难度.
In this paper,three dimensions kinematics and kinetics simulation are discussed for hardware realization of a physical biped walking-chair robot.The direct and inverse close-form kinematics solution of the biped walking-chair robot is deduced.Several gaits are realized with the kinematics solution,including walking straight on level floor,going up stair,squatting down and standing up.Zero Moment Point(ZMP)equation is analyzed considering the movement of the crew.The simulated biped walking-chair robot is used for mechanical design,gaits development and validation before they are tested on real robot.
