期刊
JOURNAL OF MECHANICAL DESIGN
卷 129, 期 6, 页码 595-601出版社
ASME-AMER SOC MECHANICAL ENG
DOI: 10.1115/1.2717228
关键词
parallel mechanism; parallel mechanism with multiple operation modes; type synthesis; screw theory
There are usually several motion patterns having the same degrees of freedom (DOF). For example, planar motion, spherical motion, and spatial translation are motion patterns with 3 DOE An f-DOF parallel mechanism with multiple operation modes is a parallel mechanism that can generate different motion patterns with f DOE Up to now, no method has been proposed for the type synthesis of parallel mechanisms with multiple operation modes. This paper presents a general method for the type synthesis of parallel mechanisms with multiple operation modes. Using the proposed approach, 3-DOF parallel mechanisms with both spherical and translational modes, i.e., parallel mechanism generating both a spherical motion pattern and a spatial translational motion pattern, are generated systematically. A large number of parallel mechanisms with both spherical and translational modes are obtained.
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