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Development of Performance Simulator for 6-speed DCT-based Hybrid Electric Vehicle to Evaluate the Fuel Economy

연비 평가를 위한 6속 DCT기반 HEV 성능 시뮬레이터의 개발

  • Baek, J.J. (School of Mechanical Engineering, Sungkyunkwan University) ;
  • Lee, Y.K. (School of Mechanical Engineering, Sungkyunkwan University) ;
  • Park, J.H. (School of Mechanical Engineering, Sungkyunkwan University) ;
  • Han, K.S. (School of Mechanical Engineering, Sungkyunkwan University) ;
  • Hwang, S.H. (School of Mechanical Engineering, Sungkyunkwan University)
  • Received : 2013.09.10
  • Accepted : 2013.11.14
  • Published : 2013.12.01

Abstract

With aggravation of environmental contamination and energy resource exhaustion, Hybrid Electric Vehicles (HEV) that can be economically operated with low fuel consumption are receiving greater attention. For performance improvement of such HEV, the development of efficient transmission can be seen as one of core technologies such as performance of components and driving strategy. Dual clutch transmission (DCT) is actively studied as a transmission type for HEV due to its advantages of having excellent power transmission efficiency based on manual transmission characteristic, resolving the problem of power interruption, and realizing driving convenience of automatic transmission (AT). In this paper, one diesel HEV equipped with 6-Speed DCT, modelled using MATLAB/Simulink, and a performance simulator developed for this vehicle are introduced. Driving simulation with driving cycles such as FTP75 and NYCC was performed using the developed performance simulator, and the simulated results regarding state of charge and fuel economy, when AT and DCT are applied to this diesel hybrid vehicle respectively, are compared. This performance simulator can be utilized to develop a control algorithm for improving the fuel economy of HEV with DCT.

Keywords

References

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  1. A Study on Diesel Plug-in Hybrid Vehicle Powertrain Analysis and Modeling vol.8, pp.4, 2016, https://doi.org/10.7763/IJCTE.2016.V8.1060