Reliability Analysis of Filtering Reducers Considering Temperature Correction and Shock Load of Space

doi:10.1007/s12204-018-1947-4

Abstract

Abstract: Owing to some excellent properties (such as large transmission ratio, high reliability, high precision, large sti?ness, small volume and long service life), ˉltering reducers are suitable for occasions with high require- ments (e.g. space equipment). However, the tough working condition in space (including frequent changes of temperature, and large temperature di?erence combined with shock loads) may signiˉcantly a?ect 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 ˉltering reducer under di?erent temperatures and the shock load are calculated, respectively. The research is beneˉcial to the design of spacecraft mechanism.

Key words: reliability analysis|filtering reducer| temperature correction| shock load

摘要： Owing to some excellent properties (such as large transmission ratio, high reliability, high precision, large sti?ness, small volume and long service life), ˉltering reducers are suitable for occasions with high require- ments (e.g. space equipment). However, the tough working condition in space (including frequent changes of temperature, and large temperature di?erence combined with shock loads) may signiˉcantly a?ect 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 ˉltering reducer under di?erent temperatures and the shock load are calculated, respectively. The research is beneˉcial to the design of spacecraft mechanism.

关键词: reliability analysis|filtering reducer| temperature correction| shock load

CLC Number:

TB 114.3

ZHANG Xiaoqiang1 (张小强), GAO Huiying2 (高会英),FU Guozhong1 (付国忠), HUANG Hongzhong1 (黄洪钟). Reliability Analysis of Filtering Reducers Considering Temperature Correction and Shock Load of Space[J]. Journal of Shanghai Jiao Tong University (Science), 2018, 23(3): 456-.

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