Abstract
This paper reviews a method of representing the finite twist motion of a rigid body, and applies this concept to the problem of describing the motion capabilities of planar serial manipulators. In particular, this finite twist representation describes the position and orientation of the end-effector link relative to a defined reference position and orientation. The transformations associated with the joint motions are used to investigate the range of end-effector motion, including the effects of limits of joint travel. The finite twist representations are then extracted from such transformations and presented in an image space so that the motion of the manipulator is fully characterized. Further, the reachable and dexterous workspaces are predicted by the same general means. Examples of planar serial manipulators with two (RR) and three revolute (RRR) joints are given to illustrate the approach.
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Schedule a callMore From: Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science
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