Power assembly angle domain torsional vibration signal detection method and device
The invention provides a power assembly angle domain torsional vibration signal detection method and device. The power assembly angle domain torsional vibration signal detection method comprises the following steps that an engine camshaft signal panel pulse signal is collected through a camshaft pos...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention provides a power assembly angle domain torsional vibration signal detection method and device. The power assembly angle domain torsional vibration signal detection method comprises the following steps that an engine camshaft signal panel pulse signal is collected through a camshaft position sensor; an engine crankshaft signal panel pulse signal is collected through a crankshaft position sensor; an engine crankshaft operation angle domain signal changing along with time is generated through the engine camshaft signal panel pulse signal and the engine crankshaft signal panel pulse signal; a flywheel signal tooth pulse signal is collected through a flywheel end sensor; generating a flywheel end angular displacement signal changing along with time based on the flywheel signal tooth pulse signal; and integrating the angle domain signal and the angular displacement signal at the same moment in the time-varying engine crankshaft operation angle signal and the time-varying angular displacement signal to |
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