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基于backstepping的机器人轨迹跟踪

于 2022-06-16 发布 文件大小:1.35 kB
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针对四轮车式移动机器人的运动学模型,首先利用一个正则坐标变换,将误差系统转换为一个非线性串联系统的形式;然后利用Backstepping方法,在两轮移动机器人追踪控制律设计过程的基础上,构造了四轮移动机器人追踪系统的Lyapunov函数,并通过使该Lyapunov函数负定,计算得到了针对四轮移动机器人轨迹追踪控制器,并证明了该类型移动机器人在所得控制器作用下,能实现对给定目标的全局渐近追踪;最后利用提出的控制器,通过四轮移动机器人对直线和圆周 2种轨迹追踪的仿真实验,验证了该控制器在四轮车式移动机器人轨迹追踪控制中的有效性.

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