Nonlinear dynamic transform for correction of crankshaft acceler

Details Nonlinear dynamic transform for correction of crankshaft acceler Nonlinear dynamic transform for correction of crankshaft acceler

1995-04-05

1997-12-16

Teska, Kevin J.

Boots, shoes, and leggings

36443107, 731173, 73116, 123419, G06F 1900, G01L 2322

Patent

active

056992530

ABSTRACT:
Irregularities in crankshaft velocity introduced when measuring crankshaft rotation at a section of a crankshaft 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 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 are substantially filtered away, resulting in crankshaft acceleration values that form the basis of a misfire detector having nearly maximum signal-to-noise performance.

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