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《Bulletin of Science and Technology》 2014-07
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Kinematics Accuracy and Reliability Analysis of Space Mechanism

Tan Zhongqiang;Zhao Mingyan;Wang Shijiao;College of Mechanical and Electrical Engineering, China Jiliang University;College of Machinery and Automatic Control, Zhejiang Sci-Tech University;  
Cable-strut deployable articulated mast is a space mechanism, whose rod pieces are connected by spherical hinge and cylindrical pair. On the base of working principle, the output movement along specific direction is analyzed and the kinetic relationship in ideal condition is established. Taking the size and clearances in the joints into consideration, effective length instead of concrete length is utilized to build a simplified reliability model. According to the mast size, a relation curve between reliability coefficient and angle is established through matlab and the minimum of reliability is calculated in the process of unfolding. The study offers a reference of space mechanism reliability calculation.
【Fund】: 国家自然科学基金重点项目(50935002);; 机械设计及理论浙江省重中之重学科;; 浙江理工大学重点实验室开放基金资助项目(ZSTUMD2012A009)
【CateGory Index】: TH112
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