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| Environment-sensitivity Parameter Analysis of Mechanical Gyroscope Based on Deviation Degree |
| Received:March 24, 2019 |
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| DOI：10.7643/issn.1672-9242.2020.05.018 |
| KeyWord:mechanical gyroscope environment-sensitive parameter analysis |
| Author | Institution |
| ZHANG Kai |
Southwest Technology and Engineering Research Institute, Chongqing , China |
| ZHAO Fang-chao |
Southwest Technology and Engineering Research Institute, Chongqing , China |
| WANG Yan-yan |
Southwest Technology and Engineering Research Institute, Chongqing , China |
| HUANG Bo |
Southwest Technology and Engineering Research Institute, Chongqing , China |
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| Abstract: |
| The paper aims to determine the environment-sensitive parameters of mechanical gyroscope in storage environment. Based on the test results of mechanical gyroscope in thermal accelerated aging test, each parameter was converted to a dimensionless parameter that can characterize its degree of degeneration, then the deviation degree of each parameter relative to the original value and the sensitivity of each parameter to the environment were analyzed. The parameter with the largest deviation was considered as the main environment-sensitive parameter of mechanical gyroscope. The deviation degrees of unlocking error, contact start angle, vertical drift and horizontal drift parameters were 1041.7, 1248.3, 1472.7 and 417.7 respectively. The vertical drift parameter was the main environment-sensitive parameter of mechanical gyroscope in storage environment. The method presented in this paper can be effectively used for environment-sensitive parameter analysis of multi-parameter products. |
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