Temperature compensation calibration data optimization method for inertial measurement unit

The invention relates to an inertial measurement unit temperature compensation calibration data optimization method, and belongs to the technical field of inertial measurement unit data optimization. Comprising the steps of calibration calculation, temperature modeling of calibration parameters, com...

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Bibliographische Detailangaben
Hauptverfasser:	CHEN LEI, PEI FANGXIA, TAO TAO, CHEN ZHIHAO, CHEN YUANCAI, QIAO XIANGWEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING GYROSCOPIC INSTRUMENTS MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING
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Beschreibung
Zusammenfassung:	The invention relates to an inertial measurement unit temperature compensation calibration data optimization method, and belongs to the technical field of inertial measurement unit data optimization. Comprising the steps of calibration calculation, temperature modeling of calibration parameters, compensation correction calculation, secondary calibration calculation and secondary temperature modeling of system parameters, temperature compensation calculation, residual calibration and residual temperature modeling, and is an offline data processing method, full-temperature temperature compensation calibration data is stored offline, and then data optimization processing is carried out. According to the method, the problem of calibration calculation errors caused by temperature changes in the first round of temperature compensation is solved, and the accuracy of temperature compensation modeling is improved. The obtained third-order model can minimize the residual trend of calibration parameters, and the precisi