Reliability Analysis of Filtering Reducers Considering Temperature Correction and Shock Load of Space |
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Authors: | Xiaoqiang Zhang Huiying Gao Guozhong Fu Hongzhong Huang |
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Institution: | 1.Center for System Reliability and Safety,University of Electronic Science and Technology of China,Chengdu,China;2.School of Automobile and Transportation,Xihua University,Chengdu,China |
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Abstract: | Owing to some excellent properties (such as large transmission ratio, high reliability, high precision, large stiffness, small volume and long service life), filtering reducers are suitable for occasions with high requirements (e.g. space equipment). However, the tough working condition in space (including frequent changes of temperature, and large temperature difference combined with shock loads) may significantly affect the reliability. In this paper, the expressions of the minimal and maximal instantaneous transmission ratios (ITRs) considering temperature correction are developed. The minimal and maximal ITRs from simulation are used to verify the accuracy. Moreover, the reliability of a filtering reducer under different temperatures and the shock load are calculated, respectively. The research is beneficial to the design of spacecraft mechanism. |
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