Upshift logic

Details Upshift logic Upshift logic

F - Mech Eng,Light,Heat,Weapons

16

H

341/68

F16H 61/02 (2006.01) F16H 59/24 (2006.01) F16H 59/44 (2006.01) F16H 59/48 (2006.01) F16H 61/10 (2006.01) F16H 61/682 (2006.01) F16H 61/70 (2006.01)

Patent

CA 1333496

An improved control system and method for an automatic/semi-automatic transmission system (10) including an automatic change gear transmission (12) driven by a throttle (26) controlled engine (14) is provided. The control system includes a processing unit (42) for receiving inputs indicating at least throttle position (THL) and vehicle speed (OS) and for determining vehicle acceleration (dOS/dt) and for processing these inputs in accordance with a program or logic rules to determine the selected engaged gear ratio and for issuing command signals to a transmission shifting mechanism (34). The processing unit includes logic rules by the control will execute skip upshifts upon sensing certain predetermined conditions.

604635

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