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Vehicle system and method for controlling torque delivery during transmission engagements with road grade and mass estimation

  • US 9,579,991 B2
  • Filed: 10/02/2014
  • Issued: 02/28/2017
  • Est. Priority Date: 10/02/2014
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • controlling a torque output of an electric machine of an electrified vehicle based on estimated loads present during a transmission engagement of the electrified vehicle, the controlling step is performed each time a shift device is moved from a neutral gear to a drive gear, and wherein the estimated loads are based on at least a road grade estimate, a vehicle mass estimate, driveline loads, and transmission pump loads.

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