Invention Grant
- Patent Title: Vehicle system and method for controlling torque delivery during transmission engagements with road grade and mass estimation
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Application No.: US15409650Application Date: 2017-01-19
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Publication No.: US10005375B2Publication Date: 2018-06-26
- Inventor: Mark Steven Yamazaki , Hai Yu , Bernard D. Nefcy , Felix Nedorezov , Wei Liang
- Applicant: FORD GLOBAL TECHNOLOGIES, LLC
- Applicant Address: US MI Dearborn
- Assignee: FORD GLOBAL TECHNOLOGIES, LLC
- Current Assignee: FORD GLOBAL TECHNOLOGIES, LLC
- Current Assignee Address: US MI Dearborn
- Agency: Carlson, Gaskey & Olds
- Main IPC: B60L15/20
- IPC: B60L15/20 ; B60W20/30 ; B60W40/13 ; B60K6/48 ; B60W40/076

Abstract:
A method includes 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. Controlling the torque output may include merging a first feed-forward torque with a feedback torque if an input shaft of a transmission gearbox is spinning, or merging a second, different feed-forward torque with the feedback torque if the input shaft is not spinning.
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