MEMS gyro automatic modal matching control device and method based on negative stiffness effect
A negative stiffness effect and modal technology, applied in electric controllers, controllers with specific characteristics, measuring devices, etc., can solve complex control methods, difficult to meet large-scale production, and difficult to stabilize complete mode matching control and other issues to achieve the effect of simplifying the difficulty of control
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[0032] The present invention will be further explained below in conjunction with the accompanying drawings.
[0033] figure 1It is a structural diagram of the MEMS gyro automatic mode matching control device based on the negative stiffness effect of the present invention, including a detection mechanism, a preamplifier, an adder, an amplifier, a demodulator, a torque converter, a calibration signal generator, a phase shifter, Low pass filter, PI controller, stiffness regulator. The output of the detection mechanism is connected with the stiffness regulator, and the output of the stiffness regulator is used as the input of the detection mechanism, so as to achieve the purpose of adjusting the stiffness of the detection mechanism. At the same time, the output end of the detection mechanism is connected with the preamplifier, so as to realize the extraction of the output signal of the detection mechanism. The output of the preamplifier and the calibration signal are used as the...
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