System and method for controlling lash crossing in a vehicle powertrain
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United States of America Patent
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Jun 25, 2019
Grant Date -
Aug 16, 2018
app pub date -
Feb 16, 2017
filing date -
Feb 16, 2017
priority date (Note) -
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Abstract
A vehicle is disclosed having a motor and engine selectively coupled to the motor via a clutch. The vehicle includes a controller configured to, in response to a vehicle wheel torque reversal, open the clutch to disconnect the engine from the motor, command the engine to enter a speed control mode, and control a motor output torque through a region surrounding the vehicle wheel torque reversal to reduce torque disturbances in a vehicle driveline.
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