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FAULT DETECTION IN VARIABLE DIFFERENTIAL TRANSFORMER SENSORS BASED ON ZERO-CROSSINGS OF SIGNALS
FAULT DETECTION IN VARIABLE DIFFERENTIAL TRANSFORMER SENSORS BASED ON ZERO-CROSSINGS OF SIGNALS
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机译:基于信号零交叉的变差动变压器传感器故障检测
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摘要
Systems and methods of detecting failures in an assembly that uses a variable differential transformer sensor. In one embodiment, a signal processor receives an excitation signal applied to the sensor, and detects a zero-crossing of the excitation signal. The signal processor receives an output signal of the variable differential transformer sensor in response to the excitation signal, and detects a zero-crossing of the output signal. The signal processor detects a fault in the assembly responsive to a determination that the zero-crossing of the output signal is separated from the zero-crossing of the excitation signal by more than the detection threshold.
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