Variable synchronous window

Details Variable synchronous window Variable synchronous window

1993-09-07

1995-05-09

Marmor, Charles A.

Machine element or mechanism

Gearing

Interchangeably locked

477 78, 477124, 3644241, B60K 4110

Patent

active

054130123

ABSTRACT:
A control system/method for controlling the shifting of automated mechanical transmission systems (10) is provided. The control system/method (FIG. 4 ) defines the synchronous window ((OS*GR.sub.T)+X.gtoreq.IS.sub.E >(OS*GR.sub.T)-Y) for jaw clutch engagement (for shifts other than compound upshifts) where X and Y are each greater than zero and the total synchronous window (X+Y) equals the greater of a function (fGR.sub.T) of the numerical value of the target ratio (GR.sub.T) or a minimum value ((X+Y) min).

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