论轮式移动结构的非完整约束及其运动控制$^{\bf 1)}$
周宇生*2)(),文相容*,王在华
ON THE NONHOLONOMIC CONSTRAINTS AND MOTION CONTROL OF WHEELED MOBILE STRUCTURES1)
Zhou Yusheng*2)(),Wen Xiangrong*,Wang Zaihua

图6. $P$ 点速度示意图

Fig.6. Schematic diagram of the velocity of $P$