Auxiliary gearset shift progression command generator for a...

Details Auxiliary gearset shift progression command generator for a... Auxiliary gearset shift progression command generator for a...

2006-09-12

2006-09-12

Jeanglaude, Gertrude A. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Transmission control

C701S051000, C701S060000, C701S066000, C701S067000, C477S034000, C477S035000, C477S068000

Reexamination Certificate

active

07107135

ABSTRACT:
A target command generator for use in a control system for an automatic transmission having a simple planetary gearset in series with a multiple-ratio gearset, the target command generator providing input for a controller for the simple planetary gearset to achieve synchronized control of pressure operated friction elements of the gearsets to effect smooth swap-shifts during an overall transmission ratio change.

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