Research on control strategy of shifting progress

Sun Wentao*, Chen Huiyan

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

5 Citations (Scopus)

Abstract

Based on BF6M1015CP electronic diesel engine (it is a supercharged, water-cooled engine. It has 6 cylinders and it is for heavy-duty vehicle) and HD4070PR electronic automatic transmission (it covers heavy-duty applications requiring high input horsepower and torque. It contains torque converter module, control module, planetary module and output module. It has 7 forward gears and a power-take-off (PTO) and a retarder), the paper analyzes the shift system of an electronic automatic transmission and sets up a mathematic module of the shifting process. With the model the shifting process is analyzed and the model can be used directly in shifting process control, and the rules of shifting process can be derived. To improve the shift quality, in the paper the different control methods in different phases are used and reviewed that Include the open-loop control, fixed ramp rate, and closed-loop control. Finally, though a bench test, the control strategy of the electronic automatic transmission was obtained.

Original languageEnglish
JournalSAE Technical Papers
DOIs
Publication statusPublished - 2008
Event2008 SAE International Powertrains, Fuels and Lubricants Congress - Shanghai, China
Duration: 23 Jun 200825 Jun 2008

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