Balance testing method for inertial platform of platform type inertial navigation system
A technology of inertial navigation system and inertial platform, which is applied in the field of improvement of the test method of ring frame balance of inertial platform of platform type inertial navigation system, can solve the problems of inertial platform unbalance and imbalance, reduce the number of times of platform balance and increase the speed and accuracy, the effect of reducing the damage rate
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[0020] Connect the servo amplifier of the inertial system and the 1-fold frequency output of the three channels of platform azimuth, internal roll, and pitch on the excitation power board of the inertial system to the three channels of the oscilloscope 10 to monitor the inertial system azimuth, internal roll, and pitch 1 Frequency multiplier output signal. The inertial navigation system turns on the whole machine to do normal compass alignment navigation. After navigating, rotate the heading and attitude of the inertial navigation system and observe the oscilloscope waveform changes. During the rotation, the pitch waveform is asymmetric, cannot be cancelled, and the amplitude difference is greater than 80mv. It is judged that there is a problem with the pitch loop balance of the inertial system.
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