Method and apparatus for developing a control architecture for coordinating shift execution and engine torque control
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United States of America Patent
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Oct 9, 2012
Issued Date -
N/A
app pub date -
Oct 13, 2008
filing date -
Nov 5, 2007
priority date (Note) -
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Abstract
A method for controlling a powertrain system including a transmission mechanically coupled to an engine and an electric machine includes monitoring operator inputs to an accelerator pedal, determining a preferred operating point of the powertrain based upon the operator inputs, determining a preferred operating range state of the transmission based upon the preferred operating point, determining lead control signals for the engine and the transmission based upon the preferred operating point and the preferred operating range state of the transmission, determining immediate control signals for the electric machine and the transmission, controlling operation of the engine based upon the lead control signals for the engine and the transmission, and controlling operation of the electric machine based upon the immediate control signals for the electric machine and the transmission.
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