Automatic transmission calibration method

Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Transmission control

Reexamination Certificate

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Details

C701S054000, C477S015000

Reexamination Certificate

active

11097650

ABSTRACT:
Automated calibration of an automatic transmission design generates upshift scheduling curves in a throttle level/transmission output speed plane based upon laboratory-generated data and user generated drivability data. Downshift scheduling curves and torque converter lock-up and unlock curves are then generated as offsets from breakpoints on corresponding upshift curves, the offsets determined principally from the drivability data.

REFERENCES:
patent: 4774858 (1988-10-01), Ganoung
patent: 4799158 (1989-01-01), Patil
patent: 4935872 (1990-06-01), Benford et al.
patent: 4936167 (1990-06-01), Mehta
patent: 4964318 (1990-10-01), Ganoung
patent: 4982620 (1991-01-01), Holbrook et al.

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