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Performance analysis of a novel coaxial power-split hybrid powertrain using a CNG engine and supercapacitors

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  • Ouyang, Minggao
  • Zhang, Weilin
  • Wang, Enhua
  • Yang, Fuyuan
  • Li, Jianqiu
  • Li, Zhongyan
  • Yu, Ping
  • Ye, Xiao

Abstract

Energy conservation is a very important task for the automotive industry. The use of hybrid electric vehicles can improve energy efficiency, thus reducing fuel consumption and carbon emissions. In this research, the performance characteristics of a novel coaxial power-split hybrid powertrain for a transit bus are presented. The power sources are a combination of a compressed natural gas (CNG) engine and supercapacitors. A mathematical model for the coaxial power-split hybrid powertrain is established. Subsequently, an analysis program is developed based on Matlab and Advisor. The parameters are specified using experimental data. Afterwards, a rule-based control strategy is designed and optimized from the viewpoint of energy efficiency. Later, the system performance is evaluated using the Chinese Transit Bus City Driving Cycle and compared to a conventional powertrain. The results indicate that the proposed coaxial power-split hybrid powertrain can fulfill the requirements of the transit bus and enhance the energy efficiency dramatically. Moreover, the average energy efficiency of the supercapacitors was found to be above 97% over the entire driving cycle. Using supercapacitors as energy storage devices for the coaxial power-split hybrid powertrain can effectively recover the kinetic energy during regenerative braking and is a good solution for transit buses that require frequent acceleration and deceleration.

Suggested Citation

  • Ouyang, Minggao & Zhang, Weilin & Wang, Enhua & Yang, Fuyuan & Li, Jianqiu & Li, Zhongyan & Yu, Ping & Ye, Xiao, 2015. "Performance analysis of a novel coaxial power-split hybrid powertrain using a CNG engine and supercapacitors," Applied Energy, Elsevier, vol. 157(C), pages 595-606.
  • Handle: RePEc:eee:appene:v:157:y:2015:i:c:p:595-606
    DOI: 10.1016/j.apenergy.2014.12.086
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    References listed on IDEAS

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    Cited by:

    1. Wang, Enhua & Yu, Zhibin & Zhang, Hongguang & Yang, Fubin, 2017. "A regenerative supercritical-subcritical dual-loop organic Rankine cycle system for energy recovery from the waste heat of internal combustion engines," Applied Energy, Elsevier, vol. 190(C), pages 574-590.
    2. Zhuang, Weichao & Zhang, Xiaowu & Li, Daofei & Wang, Liangmo & Yin, Guodong, 2017. "Mode shift map design and integrated energy management control of a multi-mode hybrid electric vehicle," Applied Energy, Elsevier, vol. 204(C), pages 476-488.
    3. Feroldi, Diego & Carignano, Mauro, 2016. "Sizing for fuel cell/supercapacitor hybrid vehicles based on stochastic driving cycles," Applied Energy, Elsevier, vol. 183(C), pages 645-658.
    4. Zhu, Wenhua H. & Tatarchuk, Bruce J., 2016. "Characterization of asymmetric ultracapacitors as hybrid pulse power devices for efficient energy storage and power delivery applications," Applied Energy, Elsevier, vol. 169(C), pages 460-468.
    5. Weiwei Yang & Jiejunyi Liang & Jue Yang & Nong Zhang, 2018. "Investigation of a Novel Coaxial Power-Split Hybrid Powertrain for Mining Trucks," Energies, MDPI, Open Access Journal, vol. 11(1), pages 1-18, January.
    6. Cai, Y. & Ouyang, M.G. & Yang, F., 2017. "Impact of power split configurations on fuel consumption and battery degradation in plug-in hybrid electric city buses," Applied Energy, Elsevier, vol. 188(C), pages 257-269.
    7. Kun Huang & Changle Xiang & Yue Ma & Weida Wang & Reza Langari, 2017. "Mode Shift Control for a Hybrid Heavy-Duty Vehicle with Power-Split Transmission," Energies, MDPI, Open Access Journal, vol. 10(2), pages 1-18, February.
    8. Li, Wei & Jia, Zhijie & Zhang, Hongzhi, 2017. "The impact of electric vehicles and CCS in the context of emission trading scheme in China: A CGE-based analysis," Energy, Elsevier, vol. 119(C), pages 800-816.
    9. Di Guo & Changqing Du & Fuwu Yan, 2016. "Drivability-Related Discrete-Time Model Predictive Control of Mode Transition in Pre-Transmission Parallel Hybrid Powertrains," Energies, MDPI, Open Access Journal, vol. 9(9), pages 1-31, September.

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