Abstract
This paper presents a novel technique for the kinematic analysis of planar and spatial open chain systems, called the Incidence and Transfer Method (IT), which is based on the incidence matrices associated with the edgeoriented graph attached to the mechanism and the transfer joints. Relative to such joints, a set of independent equations can be automatically generated for the efficient computation of manipulator’s joint positions and velocities. Kinematics of open chain manipulators with common joints such as revolute (R), prismatic (P), cylindrical (C), and helical (H) can be solved by using the sparse matrices derived from the manipulator’s graph model. Complete kinematic equations are obtained in matrix form using a base of circuits from a cycle matroid. The proposed method has general applicability and can be employed for systems with any number of links and degrees of freedom, as illustrated by the numerical example presented. This method has applicability in kinematic optimization for mechanisms usage in automobiles.
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