Triaxial MEMS gyroscope combined inertial measurement unit calibration method
The invention provides a triaxial MEMS (micro-electromechanical system) gyroscope combined inertial measurement unit calibration method, which comprises the following steps of: acquiring gyroscope pulse number output of a triaxial MEMS gyroscope combined inertial measurement unit at six different po...
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Format | Patent |
Language | Chinese English |
Published |
11.01.2022
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Abstract | The invention provides a triaxial MEMS (micro-electromechanical system) gyroscope combined inertial measurement unit calibration method, which comprises the following steps of: acquiring gyroscope pulse number output of a triaxial MEMS gyroscope combined inertial measurement unit at six different positions at a plurality of different temperatures, and the gyroscope pulse number output when the X axis, the Y axis and the Z axis of the triaxial MEMS gyroscope combined inertial measurement unit respectively point to the sky at a plurality of different temperatures; acquiring scale factors and installation errors of the x gyroscope, the y gyroscope and the z gyroscope at each temperature; acquiring zero offsets of the x gyroscope, the y gyroscope and the z gyroscope at each temperature; acquiring scale factors, zero offset and installation errors of the x gyroscope, the y gyroscope and the z gyroscope after temperature compensation; and performing compensation calculation on the system pulse number output of the |
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AbstractList | The invention provides a triaxial MEMS (micro-electromechanical system) gyroscope combined inertial measurement unit calibration method, which comprises the following steps of: acquiring gyroscope pulse number output of a triaxial MEMS gyroscope combined inertial measurement unit at six different positions at a plurality of different temperatures, and the gyroscope pulse number output when the X axis, the Y axis and the Z axis of the triaxial MEMS gyroscope combined inertial measurement unit respectively point to the sky at a plurality of different temperatures; acquiring scale factors and installation errors of the x gyroscope, the y gyroscope and the z gyroscope at each temperature; acquiring zero offsets of the x gyroscope, the y gyroscope and the z gyroscope at each temperature; acquiring scale factors, zero offset and installation errors of the x gyroscope, the y gyroscope and the z gyroscope after temperature compensation; and performing compensation calculation on the system pulse number output of the |
Author | LIU LEI YUAN SHUBO XU CHAO CHEN ANSHENG LIN MENGNA WANG KANG HOU FENGXIA |
Author_xml | – fullname: LIN MENGNA – fullname: LIU LEI – fullname: WANG KANG – fullname: CHEN ANSHENG – fullname: XU CHAO – fullname: HOU FENGXIA – fullname: YUAN SHUBO |
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DocumentTitleAlternate | 三轴MEMS陀螺组合惯性测量单元标定方法 |
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Snippet | The invention provides a triaxial MEMS (micro-electromechanical system) gyroscope combined inertial measurement unit calibration method, which comprises the... |
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SubjectTerms | GYROSCOPIC INSTRUMENTS MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING |
Title | Triaxial MEMS gyroscope combined inertial measurement unit calibration method |
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