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In this paper, a number of kinematics problems of a novel 3-DOF 3-RPUR translational parallel mechanism are studied. First, an equation system of the mechanism structure constraint and an initial equation system are established. Second, all forward kinematics are obtained via the continuation approach, the positions of the mechanism corresponding to the solutions are validated. Third, according to...
In this paper, a number of kinematics problems of a novel 3-DOF 3-RPUR translational parallel mechanism are studied. Firstly, based on the imaginary mechanism method and influence coefficient method, the first and second-order influence coefficient matrices of the mechanism are deduced and the kinematic equations are established. Secondly, the velocity and acceleration curves of the upper platform...
At first, based on the concepts of reciprocal screws and their correfativity, the input selecting of a novel 3-RPUR parallel mechanism are analyzed. Second, the position analysis of the mechanism, which has three translation degrees of freedom, are conducted. Third, according to the reversal solution of the position and the restriction of links, the ideal workspace of the mechanism can be described...
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