WHEEL-SLIP BASED INVERSE SOLUTION FOR DIFFERENTIAL DRIVE MOBILE ROBOTS

被引:0
|
作者
Whitman, Alan [1 ]
Clayton, Garrett [2 ]
Poultney, Alex [2 ]
Ashrafiuon, Hashem [2 ]
机构
[1] Villanova Univ, Dept Mech Engn, Villanova, PA 19085 USA
[2] Villanova Univ, Ctr Nonlinear Dynam & Control, Villanova, PA 19085 USA
关键词
TRACKING;
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
An approximate inverse dynamic solution for differential drive mobile robots is presented where the wheel speeds are analytically calculated for a specified desired trajectory. The differential equations of motion of the mobile robot are nondimensionalized and a small parameter is defined based on the ratio of wheel slip and wheel speed variation time scales. Approximate dominant and first order inverse solutions are derived for general trajectories. Next, a trajectory planning strategy is devised to ensure continuous wheel speed profiles in achieving any desired target trajectory. The case of target circular trajectories is specifically considered and with inverse solutions which are verified both through simulations and experiments.
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页数:6
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