Novel 3-DOF translational parallel mechanism and its position analysis

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Zhongguo Jixie Gongcheng | 2008年 / 2卷 / 239-241+251期
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A novel 3-DOF parallel mechanism that can perform three-dimensional translations was investigated herein. At first, the degree-of-freedom and possible motion were defined by using screw theory. Then closed-form inverse displacement solutions were obtained based on the characteristics of the parallel mechanism and the forward displacement problem was analyzed by using the Bezout's elimination method. At last, a numerical example was given in order to prove the correctness of the inverse and forward displacement solutions.
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