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This paper focuses on the type synthesis of two degree-of-freedom (2-DoF) rotational parallel mechanisms (RPMs) that would be applied as mechanisms actuating the inter-satellite link antenna. Based upon Lie group theory, two steps are necessary to synthesize 2-DoF RPMs except describing the continuous desired motions of the moving platform. They are respectively generation of required open-loop limbs...
This paper carries out the elasto-dynamic analysis of a novel 2 degrees-of-freedom (DoF) rotational parallel mechanism (RPM) with an articulated travelling platform by means of kineto-elasto dynamic method. The architecture of the proposed 2-DoF RPM is firstly described, and then its kinematic analysis is carried out by closed-loop vector method. On the basis of finite element analysis, the elasto-dynamic...
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