Direct clutch control for dual clutch transmissions
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United States of America Patent
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Jan 21, 2014
Grant Date -
Nov 1, 2012
app pub date -
Apr 29, 2011
filing date -
Apr 29, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A control system for controlling clutches of a dual clutch transmission includes an internal model based force control algorithm that converts a desired clutch force to a pressure control signal, a pressure control valve that receives the pressure control signal, a hydraulic actuator to which the pressure control valve applies a pressure related to the pressure control signal, and a clutch assembly with a spring lever and a plurality of clutch plates. The hydraulic actuator applies a desired force corresponding to the pressure control signal to a distal end of the spring lever such that the desired force to the distal end of the spring lever imparts an actual clutch force to the clutch plates.
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