F1 style MGU-H applied to the turbocharger of a gasoline hybrid electric passenger car

Nonlinear engineering: Modeling and application

article

Albert Boretti¹ 

[1] Department of Mechanical and Aerospace Engineering, Benjamin M. Statler College of Engineering and Mineral Resources, West Virginia University

关键词: turbocharging;    hybrid electric vehicles;    motor-generator-unit;    waste energy recovery;   

DOI  :  10.1515/nleng-2016-0069

来源: De Gruyter

【 摘 要 】

We consider a turbocharged gasoline direct injection (DI) engine featuring a motor-generator-unit (MGU-H) fitted on the turbocharger shaft. The MGU-H receives or delivers energy to the same energy storage (ES) of the hybrid power unit that comprises a motor-generator unit on the driveline (MGU-K) in addition to the internal combustion engine (ICE). The energy supply from the ES is mostly needed during sharp accelerations to avoid turbo-lag, and to boost torque at low speeds. At low speeds, it also improves the ratio of engine crankshaft power to fuel flow power, as well as the ratio of engine crankshaft plus turbocharger shaft power to fuel flow power. The energy supply to the ES is possible at high speeds and loads, where otherwise the turbine could have been waste gated, and during decelerations. This improves the ratio of engine crankshaft plus turbocharger shaft power to fuel flow power.

【 授权许可】

Unknown