Interrelated power delivery controls – including engine control – Transmission control – Engine ignition control for transmission change
Patent
1993-10-18
1996-04-30
Wright, Dirk
Interrelated power delivery controls, including engine control
Transmission control
Engine ignition control for transmission change
3644241, B60K 4104
Patent
active
055120245
ABSTRACT:
Shunt results from drive line resonance of a vehicle's transmission superimposing cyclic oscillations onto the speed of the vehicle's engine. A feedback loop comprising at least one of a band pass filter having a high frequency cut-off characteristic greater than first order, a feedback loop in which the loop gain is a function of transmission ratio, and a non-linear transfer element arranged to have a gain whose magnitude increases with the magnitude of the input to the non-linear transfer element. Additionally shunt may also be controlled by a feed-forward controller based on an engine demand signal.
REFERENCES:
patent: 4596217 (1986-06-01), Bonitz et al.
patent: 4630583 (1986-12-01), Suzuki et al.
patent: 4792902 (1988-12-01), Hrovat et al.
Burton Anthony
Jones Russell W.
Kirk Andrew J.
Williams Andrew J. S.
Estremsky Sherry
Lucas Industries
Wright Dirk
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