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非完整约束轮式移动机器人人工场导向控制研究 被引量:15

STEERING AND CONTROL OF NONHOLONOMIC WHEELED MOBILE ROBOTS USING ARTIFICIAL FIELDS
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摘要 导向控制在非完整约束轮式移动机器人的运动控制中具有重要作用 .该文通过建立人工场的方法来引导和控制方向角 ,通过辅助的线速度控制前进或后退 ,以获取最佳收敛路径 .同时考虑到实际系统速度饱和限制 ,从而设计出一种新的非连续位姿镇定律 .并将该结果扩展 ,使得平面内任意点 -点镇定、轨迹跟踪和路径跟踪问题均可得以实现 ,且对于跟踪问题仅需知道期望位姿 ,所得控制器不仅设计简单、鲁棒性强、收敛速度快 。 Steering places an important role in control of nonholonomic wheeled mobile robots (WMRs).In this paper, we use artificial fields to steer and control the steering angle and derive a linear velocity control law to guarantee the optimal convergent trajectory. The proposed approach can be used to realize arbitrary point to point stabilization, trajectory tracking and path following. Easy design, fast convergence, and adaptability to other nonholonomic mobile bases are also its obvious advantages compared to some existing methods.
出处 《自动化学报》 EI CSCD 北大核心 2002年第5期777-783,共7页 Acta Automatica Sinica
基金 国家"8 63"计划智能机器人主题项目 (863 -5 1 2 -982 0 -0 6)资助
关键词 非完整约束 轮式移动机器人 人工场 导向控制 镇定 运动控制 动力学模型 Wheeled mobile robots, nonholonomic constraints, stabilization, artificial field, steering and control
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参考文献15

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