Force feedback control system and method for hemispherical resonator gyroscope
A hemispherical resonant gyroscope and control system technology, used in gyroscope/steering sensing equipment, gyro effect for speed measurement, instruments, etc., and can solve problems such as poor external temperature adaptability
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[0076] A force feedback control system for a hemispherical resonant gyroscope, the control system includes a weak signal detection module 100, a signal preprocessing module 200, a node signal amplitude demodulation module 300, a frequency synchronization tracking module 400, a controller 500, and a feedback signal modulation Module 600 and drive signal high-voltage conversion module 700;
[0077] Such as Figure 9 As shown, the weak signal detection module 100 outputs a signal V1 and an output signal V2;
[0078] The signal preprocessing module 200 outputs a signal V3;
[0079] The node signal amplitude demodulation module 300 outputs signal V4;
[0080] The controller 500 outputs a signal V5;
[0081] The frequency synchronization tracking module 400 outputs an AC signal V6;
[0082] The feedback signal modulation module 600 outputs a signal V7;
[0083] Such as Figure 10 As shown, the signals between the internal modules of the frequency synchronization tracking modul...
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