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Pre-posed configuration of flexible redundant robot manipulators for impact vibration alleviating

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2 Author(s)
Xu, W.L. ; Inst. of Technol. & Eng., Massey Univ., Palmerston North, New Zealand ; Yue, S.

In this paper, kinematics redundancy of a flexible redundant manipulator (FRM) is employed to alleviate the impact vibration resulting from objects grasping. A vibration-alleviating measure (VAM) of the FRM, and a vibration-alleviating ellipsoid (VAE) with respect to the measure are defined. A method to determine the pre-posed configuration of an FRM is presented based on the defined VAM and VAE. A finite-element model is used to describe the FRM's dynamics incorporating the grasped object. Simulation conducted on a planar FRM shows that the FRM experiences relatively less impact vibration at the pre-posed configuration determined by using the presented method.

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Industrial Electronics, IEEE Transactions on  (Volume:51 ,  Issue: 1 )