Rotational Speed Sensor
The cam speed sensor collects the position signal of the valve camshaft and inputs it to the electronic control unit (ECU) so that the ECU can identify the compression top dead center of the cylinder and perform engine operation control such as sequential injection control, ignition timing control, and knock control. The cam speed sensor is designed based on the principle of electromagnetic induction and outputs a sine wave signal. It has the advantages of no external power supply, non-contact measurement, and stable output waveform
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