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Corresponding Author

Cherfia, A.

Subject Area

Mechanical Power Engineering

Article Type

Original Study

Abstract

In this paper we present the direct and inverse analysis of a geometrical model of an UPS manipulator with three degrees of freedom added to a PPP passive central segment. This structure provides a pure translation motion. We will also determine the relations between generalized and articular velocities by using the inverse Jacobian matrix, Further, we determine the reciprocal relations between cartesian and angular velocities of the end effector via articular velocities by direct re-inversion of the Jacobian matrix. This study aims of implementing the control of a parallel robot manipulator. A prototype of a parallel robot has been built up in our laboratory in order to validate the proposed models.

Keywords

direct geometrical model; inverse geometrical model; UPS manipulator; passive central segment; Jacobian matrix; parallel robot

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