Whirling vibration excitation and dynamic measurement device
A technology of dynamic measurement and vibration excitation, which is applied to measuring devices, vibration testing, and testing of machine/structural components. It can solve problems such as high cost, poor anti-vibration performance, and complex system structure, and achieve convenient operation and small temperature drift. , the effect of high measurement accuracy
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[0030] The present invention has designed a kind of rotary vibration excitation and dynamic measurement device, and the detailed description in conjunction with each accompanying drawing and embodiment is as follows:
[0031] The principle block diagram of a kind of rotating vibration excitation and dynamic measuring device of the present invention is as follows: figure 1 As shown, it mainly includes signal source, vibration signal excitation, dynamic acquisition and transmission of vibration signal, and power drive of rotating mechanism. Aiming at the rotating vibration excitation and acceleration signal detection of the rotating mechanism, the present invention matches the vibrator and the rotating mechanism so as to realize the coaxial rotation of the motor to the two. The excitation signal of the FPGA’s custom signal) is driven by the power amplifier and then the vibration exciter is controlled by means of a slip ring, which can apply vibration excitations with different e...
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