Calibration method for fiber-optic gyroscope inertial measurement device with three orthogonalized axes and one inclined axis

A fiber optic gyroscope, three-axis orthogonal technology, applied in the field of inertial measurement, can solve the problems of time-consuming and laborious, affecting the calibration results, inconsistent reference planes, etc.
CN103697918AActive Publication Date: 2014-04-02BEIJING AEROSPACE TIMES OPTICAL ELECTRONICS TECH
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
BEIJING AEROSPACE TIMES OPTICAL ELECTRONICS TECH
Publication Date
2014-04-02

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Abstract

The invention comprises a calibration method for a fiber-optic gyroscope inertial measurement device with three orthogonalized axes and one inclined axis, particularly relates to a system calibration system for navigating, guiding and controlling a spacecraft, and belongs to the technical field of inertial measurement. The calibration method is used to accurately calibrate the zero position, the scale factor and the installing error of the fiber-optic gyroscope inertial measurement device, and the method is simple and feasible and can effectively increase the calibration accuracy. According to the method, no tool needs to be replaced, so as to guarantee the consistency of a datum plane; the method does not distinguish the scale factor and the installing error, so that the calculation error produced when calculating the small quantity of the installing error is avoided; and compared with other testing methods for the fiber-optic gyroscope inertial measurement device, the method is simple and feasible, improves the calibration efficiency and saves the manpower and material resources.
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Description

technical field

[0001] The invention relates to a calibration method for an inertial measurement device of a fiber optic gyroscope, in particular to a miniaturized, highly reliable, multi-table redundant fiber optic gyroscope inertial measurement device for spacecraft navigation, guidance and control, and belongs to the technical field of inertial measurement . Background technique

[0002] As a symbol of high-tech development, satellites play an extremely important role in my country's national defense and economic construction. Attitude determination accuracy is a prerequisite for satellites to obtain information stably and effectively. Satellite attitude control system is one of the important systems to ensure satellite attitude accuracy , and the inertial device is an extremely critical sensor in the satellite attitude control system, which directly affects the accuracy and performance of the attitude control system.

[0003] The fiber optic gyroscope is an all-solid-sta...

Claims

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