Marine compass and dynamic calibration method thereof
A compass and marine technology, which is applied in the field of marine compass and its dynamic calibration, can solve the problems of high cost, inability to widely use small carriers, and inability to eliminate cumulative errors, so as to reduce cost, eliminate cumulative errors, and short update cycle Effect
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[0025] The present invention will be further elaborated below in conjunction with the accompanying drawings and embodiments.
[0026] like figure 1 As shown, the marine compass involved in the present invention mainly includes a fiber optic gyroscope 1, which is used to measure the angular velocity of the carrier, and then obtains the heading change angle of the carrier in a certain time interval; a single-axis inclination sensor (X-axis inclination sensor 3 and Y-axis The inclination sensor 6) is used to measure the acceleration of the vehicle relative to the inertial space and the acceleration of gravity, and then obtain the heading and attitude information of the vehicle within a certain time interval, including roll angle information and pitch angle information; specifically, the X-axis inclination sensor is installed on The axis of the marine compass body pointing to the forward direction of the vehicle is used to measure the roll angle information, the Y-axis inclination...
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