Method of shift control using moment of inertia estimation

Details Method of shift control using moment of inertia estimation Method of shift control using moment of inertia estimation

1996-04-25

1998-02-24

Ta, Khoi Q.

Interrelated power delivery controls, including engine control

Transmission control

Transmission controlled by engine

477904, B60K 4100, F16H 5914

Patent

active

057206961

ABSTRACT:
In a motor vehicle having an electronically controlled automatic transmission, a method of inhibiting upshifts determines torque and acceleration parameters of the output shaft of the transmission prior to and after a shift. An estimate of the output shaft moment of inertia is determined from the pre and post shift quantities and used in the inhibition of upshifts having inadequate torque capacity.

REFERENCES:
patent: 5241476 (1993-08-01), Benford et al.
patent: 5462500 (1995-10-01), Benford et al.
patent: 5487005 (1996-01-01), Genise
patent: 5490063 (1996-02-01), Genise
patent: 5568748 (1996-10-01), Carlson et al.
patent: 5620392 (1997-04-01), Genise

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