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    题名 作者 年代 出处 被引量
1基于视觉伺服的非完整移动机器人镇定控制显示文摘针对单目视觉伺服反馈的一类非完整移动机器人的镇定问题,在深度信息未知的情况下,首先给出一种新的基于视觉伺服反馈的模型表达形式,然后利用状态变换和输入变换转化为不确定非完整单链式系统。基于此链式系统,利用时变系统稳定性理论,提出了一种新的光滑时变且具有指数收敛速度的镇定控制器。且该控制器是全局稳定的,并对稳定性给出了严格的证明。最后,仿真结果验证了所提控制器的有效性。王刚 王朝立 赵晓萌 季云峰 2015控制工程2015,22,6:5
2Electromagnetic Force Balanced Single-Wheel Robot显示文摘It is a challenging task to carry on the research concerning the lateral stabilization of Single wheel robot(SWR). The lateral dynamics of earlier flywheel stabilizing SWR is derived to explain the shortcomings of such a mechanism, and the recovery torque proportional to the acceleration and moment of inertia of the flywheel is proved. But as the motor being a speed server system,it is difficult to control its acceleration to actuate the flywheel to provide recovery torque for SWR; and the moment of inertia of the flywheel must be large enough to produce adequate recovery torque, which makes such a system rather cumbersome. We proposed a new mechanism to solve the problem by introducing an electromagnetic force. The proposed mechanism is described briefly, and the dynamic analyses of such a new SWR is given, then the stability analysis is also done. Three-dimensional(3D)multi-body simulation, numerical simulation and physical invented pendulum prototype experiments were conducted to verify the proposed mechanism. The experiment results verified that the proposed mechanism is feasible and have some advantages over the flywheel balanced SWR.ZHU Xiaoqing RUAN Xiaogang CHEN Zhigang WEI Ruoyan XIAO Yao 2016Chinese Journal of Electronics2016,25,3:0
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