The quartz flexible acceleration sensor is generally a uniaxial torque feedback accelerometer, which detects the external acceleration signal by detecting the quality, and then demodulates and amplifies via a servo circuit. Finally, the output current signal is proportional to the acceleration signal. Products are widely used in aerospace high-precision navigation systems, oil drilling inclinometer or geological exploration strapdown system. It is mainly composed of several major components such as differential capacitance sensor, detection mass pendulum assembly, electromagnetic torque device and electronic amplifier. When there is acceleration along the sensitive axis, the position of the detection mass changes, the position detector detects this change, then the signal is input to the amplifier and the amplifier drives the force generator to return the detection mass to zero. The output of the accelerometer is the current that flows through the force generator in proportion to the input acceleration.
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