Error calibration method of optical fiber inertial navigation system

The invention discloses an error calibration method of an optical fiber inertial navigation system, which solves the problems that the existing error calibration method cannot completely reflect the temperature change trend and is low in calibration precision, and comprises an accelerometer 24 position calibration method and a temperature calibration method. According to the speedometer 24-position calibration method, firstly, an error model and a calibration method of an optical fiber gyroscope and a quartz flexible accelerometer are established, then parameters in the error model of the accelerometer are obtained by solving the calibration model, and the parameters are substituted into the error model to obtain an output value of the accelerometer; according to the temperature calibration method, complete change data of an inertial navigation product within the range from-50 DEG C to + 80 DEG C is obtained by establishing a temperature calibration model through a variable temperature continuous compensation