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HIGH-ACCURACY IMEP COMPUTATIONAL TECHNIQUE USING A LOW-RESOLUTION ENCODER AND A CUBIC SPLINE INTEGRATION PROCESS
HIGH-ACCURACY IMEP COMPUTATIONAL TECHNIQUE USING A LOW-RESOLUTION ENCODER AND A CUBIC SPLINE INTEGRATION PROCESS
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机译:使用低分辨率编码器和三次样条积分过程的高精度IMEP计算技术
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摘要
A method for computing indicated mean effective pressure (IMEP) in an internal combustion engine using sparse input data. The method uses a cubic spline integration approach, and requires significantly lower resolution crankshaft position and cylinder pressure input data than existing IMEP computation methods, while providing calculated IMEP output results which are very accurate in comparison to values computed by existing methods. By using sparse input data, the cubic spline integration method offers cost reduction opportunities for a manufacturer of vehicles, engines, and/or electronic control units, through the use of lower cost sensors and the consumption of less computing resources for data processing and storage.
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