Optimization Study of CVT Speed Ratio to Plug-In Hybrid Electric Vehicle

Min Zhou; Yan Fang Zhang

doi:10.4028/www.scientific.net/AMR.986-987.1094

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 986-987Optimization Study of CVT Speed Ratio to Plug-In...

Optimization Study of CVT Speed Ratio to Plug-In Hybrid Electric Vehicle

Abstract:

Taking CVT plug-in hybrid electric vehicle as the study subject, the objective function of the energy economy is created. In view of engine, motor efficiency and CVT efficiency coupled relationship; proposed reverse optimization algorithm to solve function. The target speed ratio of optimal energy economy is obtained in different SOC (State Of Charge), velocity, acceleration and slope. On the Matlab/Simulink platform, the system simulation model is built and simulated. The results shows that the target speed ration optimized control law in the case of no additional hardware cost , energy economy save about respectively 3.6% ,4.6%,6.7% in driving cycles of the NEDC,UDDS,HWFET before optimization.

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Periodical:

Advanced Materials Research (Volumes 986-987)

Pages:

1094-1097

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.986-987.1094

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Online since:

July 2014

Authors:

Min Zhou*, Yan Fang Zhang

Keywords:

CVT, Energy Economy, Plug-in Hybrid Electric Vehicle, Target Speed Ratio

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