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Real-time ZMP compensation method using null motion for mobile manipulators

By: Jinhyun Kim; Lee, B.H.; Youngil Youm; Wan Kyun Chung;

2002 / IEEE / 0-7803-7272-7

Description

This item was taken from the IEEE Conference ' Real-time ZMP compensation method using null motion for mobile manipulators ' The dynamic stability of a mobile manipulator using ZMP compensation is considered. A unified approach for the two subsystems is formulated using a redundant scheme. First, to conserve the dynamic stability of the system, we define the performance index for the redundant system using the ZMP (zero moment point). This performance index represents the stability of the whole mobile manipulator system. Then, the redundancy resolution problem for optimizing the given performance index is solved using the null motion. Finally, the performance of this method is demonstrated by simulation study.