Reconfiguration Analysis of an RRRRS Single-Loop Mechanism

Reconfiguration Analysis of an RRRRS Single-Loop Mechanism

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The paper deals with the reconfiguration analysis of the single-loop variable degree-of-freedom read more (DOF) RRRRS mechanism composed of five links connected by four revolute (R) joints and one spherical (S) joint.The mechanism may show two modes of motion: one-DOF and two-DOF motion.In the paper, a classical vector procedure is used to obtain the quartic motion equation (QME) that allows one to inspect the nature of the motion.In general, the solutions of the QME provide the one-DOF motion of the mechanism except when all the coefficients of the equation vanish.In this case, the mechanism cga 200 to cga 510 adapter undergoes the two-DOF motion.

The motion of the mechanism built according to two specific architectures was analyzed by the numerical solutions of the QME and with the help of the solid model of the mechanism.It is revealed for the first time that the perpendicular architecture has one 2-DOF motion and two 1-DOF motion modes.