システム制御情報学会論文誌
Online ISSN : 2185-811X
Print ISSN : 1342-5668
ISSN-L : 1342-5668
幾何学的拘束のあるロボットマニピュレータのモデルベース適応制御
浪花 智英有本 卓
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1995 年 8 巻 9 号 p. 482-490

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When an endpoint of a manipulator is moving in touch with a rigid smooth surface, it is controlled so as to realize both a desired trajectory on the surface and a desired contact force arising at the contact point. In this paper, a model-based adaptive control method for such a geometrically constrained robot manipulator is proposed. The position and force control of the manipulator is realized by orthogonalizing the position and velocity error vectors to the contact force vectors in the joint space through introduction of a projection matrix that projects error vectors in the joint space to the tangent plane of the constraint surface. The convergence of joint angular errors and contact force errors is proved under an appropriate initial Condition and the smoothness of the surface. The effectiveness of the proposed method is demonstrated by some computer simulation results using a 3-DOF manipulator dynamics model.

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