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Nonlinear dynamic transform for correction of crankshaft acceleration having torsional oscillations
Nonlinear dynamic transform for correction of crankshaft acceleration having torsional oscillations
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机译:非线性动态变换,用于校正带有扭振的曲轴加速度
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摘要
Irregularities in crankshaft velocity introduced when measuring crankshaft rotation at a section of a crankshaft (45) in an internal combustion engine that is less damped to torsional oscillations than is another more accessible crankshaft section are corrected by performing a nonlinear transformation via a neural network (100) to predict rotation measurements that would have been obtained at the inaccessible section from data actually collected at the accessible crankshaft section. Thus, the effects of torsional oscillations in the crankshaft (45) are substantially filtered away, resulting in crankshaft acceleration values that form the basis of a misfire detector (101) having nearly maximum signal-to-noise performance.
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