Method for calibrating zero offset of quartz flexible accelerometer component
An accelerometer, zero offset technology, applied in the testing/calibration of velocity/acceleration/shock measurement equipment, velocity/acceleration/shock measurement, navigation through velocity/acceleration measurement, etc. Many problems, such as poor real-time performance
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[0084] The present invention is described in more detail below in conjunction with accompanying drawing example:
[0085] The measurement method of the zero offset of the quartz flexible accelerometer assembly described in this embodiment, its specific implementation steps are as follows:
[0086] Step 1. Place the strapdown inertial navigation system equipped with quartz flexible accelerometer components on the three-axis position turntable. The axis of rotation of the frame is parallel. The strapdown inertial navigation system is preheated, and the preheating time is set according to the specific system.
[0087] Step 2. Operate the three-axis position turntable to adjust the strapdown inertial navigation system (that is, the quartz flexible accelerometer assembly) to figure 1 location shown. Capture the output of the quartz flexure accelerometer and fiber optic gyroscope assembly in terms of gravitational acceleration and the Earth's angular velocity Coarse alignment...
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