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ENGINE CRANKSHAFT POSITION RECOGNITION AND TRACKING METHOD APPLICABLE TO CAM AND CRANKSHAFT SIGNALS WITH ARBITRARY PATTERNS
ENGINE CRANKSHAFT POSITION RECOGNITION AND TRACKING METHOD APPLICABLE TO CAM AND CRANKSHAFT SIGNALS WITH ARBITRARY PATTERNS
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机译:适用于具有任意模式的CAM和曲轴信号的发动机曲轴位置识别和跟踪方法
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摘要
A method and system for providing data representing crankshaft position. For each rising edge of the crankshaft signal, a position value and a factor value are stored in a look-up table. Cam and crankshaft signals are used to locate an initial crankshaft position. This initial position value is used as a pointer to the look-up table, and incremented with each rising pulse of the crankshaft signal. Data from the table is used to extrapolate crankshaft position from crankshaft signal values to a desired resolution in degree angle units.
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