振动对磁电速度传感器输出信号影响的研究

2021 IEEE International Conference on Electronic Technology, Communication and Information (ICETCI) Pub Date : 2021-08-27 DOI:10.1109/ICETCI53161.2021.9563384

C. Wei, Zhang Jue, Peng Weiyang, Xiao Jue, Che Yao

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引用次数: 0

摘要

在涡轮前轴上安装齿轮和磁电传感器，实时监测暂态转速。在轴横向弯曲振动的影响下，磁电传感器的输出信号出现调幅。在转速测量中容易造成缺齿现象，从而导致测量误差。利用希尔伯特变换提取信号包络。对原始信号进行包络补偿后，信号相对稳定。在转子试验台上验证了磁电速度传感器的输出信号特性和该方法的有效性。

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Research on the Influence of Vibration on Output Signal of Magnetoelectric Speed Sensor

Gear and magnetoelectric sensors are installed on the shaft in front of the turbine to monitor the transient speed in real time. Amplitude modulation appears in the output signal of the magnetoelectric sensor under the influence of lateral bending vibration of shaft. It is easy to cause teeth missing phenomenon in speed measurement, which leads to the measurement error. The signal envelope is extracted by Hilbert transform. After the envelope compensation of the original signal, the signal is relatively stable. The output signal characteristics of the magnetoelectric speed sensor and the effectiveness of the method are verified on the rotor rig.

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来源期刊

2021 IEEE International Conference on Electronic Technology, Communication and Information (ICETCI)

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