Due to the direct connection between the engine and the compound power split hybrid transmission (CPSHT) in hybrid electric vehicle (HEV), engine ripple torque (ERT) can result in obvious jerks in engine starting process (ESP). In order to improve the riding comfort, two wet clutches are mounted in this novel CPSHT. This research developed a new coordinated control strategy and its effectiveness was verified in simulation. Firstly, the mechanical and hydraulic parts of the CPSHT were introduced, and the riding comfort problem during ESP in primary design was illustrated. Secondly, the dynamic plant model including ERT, driveline model and clutch torque was deduced. Thirdly, a coordinated control strategy was designed to determine the target engine torque, motor torque, clutch torque and the moment of fuel injection. A Kalman filter based clutch torque estimator was applied with the help of electric motors information. The simulation result indicates that proposed coordinated control strategy can indeed suppress vehicle jerk and improve the riding comfort in ESP.
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ASME 2018 Internal Combustion Engine Division Fall Technical Conference
November 4–7, 2018
San Diego, California, USA
Conference Sponsors:
- Internal Combustion Engine Division
ISBN:
978-0-7918-5199-9
PROCEEDINGS PAPER
Coordinated Control Strategy in Engine Starting Process for a Novel Compound Power-Split Hybrid Electric Vehicle Available to Purchase
Clemens Gühmann,
Clemens Gühmann
TU Berlin, Berlin, Germany
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Tong Zhang,
Tong Zhang
Corun CHS Technology Co., Ltd., Shanghai, China
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Xizhen Dong
Xizhen Dong
TU Berlin, Berlin, Germany
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Dengfeng Shen
TU Berlin, Berlin, Germany
Clemens Gühmann
TU Berlin, Berlin, Germany
Tong Zhang
Corun CHS Technology Co., Ltd., Shanghai, China
Xizhen Dong
TU Berlin, Berlin, Germany
Paper No:
ICEF2018-9651, V002T05A010; 11 pages
Published Online:
January 3, 2019
Citation
Shen, D, Gühmann, C, Zhang, T, & Dong, X. "Coordinated Control Strategy in Engine Starting Process for a Novel Compound Power-Split Hybrid Electric Vehicle." Proceedings of the ASME 2018 Internal Combustion Engine Division Fall Technical Conference. Volume 2: Emissions Control Systems; Instrumentation, Controls, and Hybrids; Numerical Simulation; Engine Design and Mechanical Development. San Diego, California, USA. November 4–7, 2018. V002T05A010. ASME. https://doi.org/10.1115/ICEF2018-9651
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