Modeling and Simulation of Power Coupling System in Hydraulic Hybrid City Bus

DOI: 10.4236/epe.2014.66012   PDF   HTML     4,406 Downloads   5,666 Views   Citations


In order to solve the coupling problem of power in Hydraulic Hybrid City Bus (HHB), a hydraulic hybrid power coupling system based on planetary gear transmission principle is proposed in this paper. The system consists of diesel engine, power coupler, hydraulic pump/motor, etc. The realizable operating modes of power coupling system are analyzed in this paper. Under coordination of clutches, the engine driven mode, hydraulic driven mode, hybrid driven mode, hydraulic engine-start mode and braking energy recovery mode are realizable. Based on Lagrange equation, kinetic analysis and kinematics analyses are presented. In addition, the simulation model of the power coupling system is proposed, which includes diesel engine model, power coupler model, hydraulic pump/motor model, etc. The example simulation analysis is proposed under the hybrid driven mode; the results show that the power coupling system proposed in this paper can realize power coupling of hydraulic hybrid city bus. Compared with traditional city bus, the hydraulic hybrid city bus can choose small-displacement engine so as to improve fuel economy and dynamic property.

Share and Cite:

Li, X. , Qu, J. , Wei, W. and Tian, X. (2014) Modeling and Simulation of Power Coupling System in Hydraulic Hybrid City Bus. Energy and Power Engineering, 6, 119-132. doi: 10.4236/epe.2014.66012.

Conflicts of Interest

The authors declare no conflicts of interest.


[1] Deppen, T.O., Stelson, K.A., Meyer, J.J. and Alleyne, A.G. (2012) Optimal Energy Use in a Light Weight Hydraulic Hybrid Passenger Vehicle. Journal of Dynamic Systems, Measurement, and Control, 134, 041009.
[2] Wojnarowski, J., Kopec, J. and Zawislak, S. (2006) Gears and Graphs. Journal of Theoretical and Applied Mechanics, 44, 139-162.
[3] Lang, S.Y. (2005) Graph-Theoretic Modeling of Epicyclic Gear Systems. Mechanism and Machine Theory, 10, 511-529.
[4] Wojnarowski, J. and Lidwin, A. (1975) The Application of Signal Flow Graphs—The Kinematic Analysis of Planetary Gear Trains. Mechanism and Machine Theory, 10, 17-31.
[5] Benford, H.L. and Leising, M.B. (1981) The Lever Analogy: A New Tool in Transmission Analysis. SAE Technical Paper No. 810102.
[6] Tsai, L.W., Schultz, G. and Higuchi, N. (2001) A Novel Parallel Hybrid Transmission. Journal of Mechanical Design, 123, 161-168.
[7] Sun, H. (2010) Multi-Objective Optimization for Hydraulic Hybrid Vehicle Based on Adaptive Simulated Annealing Genetic Algorithm. Engineering Applications of Artificial Intelligence, 23, 27-33.
[8] Qin, D.T., You, G.P. and Hu, J.J. (2009) Operation Mode Analysis and Parameters Design of a Novel Power Split Hybrid Transmission System. Chinese Journal of Mechanical Engineering, 45, 184-191.
[9] Wei, Y.Y., Lin, Y. and He, H.W. (2005) The Applied Research on Double Row Planetary Gear Train for HEV. Automobile Technology, 8, 11-14.
[10] Liu, T., Jiang, J.H., Sun, H. and Zhao, L.J. (2009) Research and Progress of the Hydrostatic Hybrid Vehicle. Automotive Engineering, 31, 586-591.
[11] Zhang, J., Luo, N.N. and Jiang, J.H. (2012) Research Survey of Hydraulic Hybrid Vehicles. Machine Tool & Hydraulics, 6, 67-79.
[12] Peng, D., Yin, C.L. and Zhang, J.W. (2006) Advanced Braking Control System for Hybrid Electric Vehicle Using Fuzzy Control Logic. SAE Paper No. 2006-01-3583.
[13] Chen, H.Z. and Yuan, S.H. (2003) Design of the Hydraulic System for Braking Energy Storage to City Vehicle. Chinese Hydraulics & Pneumatics, 4, 1-3.
[14] Yang, Y., Zhao, X.F., Qin, D.T., Duan, Z.H. and Gong, H. (2012) Design and Operation Mode Coupling Characteristics Analysis on the New Transmission System of Hybrid Electric Vehicle. Automotive Engineering, 34, 968-975.
[15] Yang, K.Z., Cheng, G.G. and Li, Z.S. (2009) Fundamentals of Machine Design. Higher Education Press, Beijing.
[16] Theoretical Mechanics Research Group of Harbin Institute of Technology (2009) Theoretical Mechanics. Higher Education Press, Beijing.
[17] Diao, Y.F., Wei, H.X. and Yang, E.X. (1999) The Application of Plane Unfolding Formula of Lagrange Equation in Mechanism Dynamics. Journal of Harbin Engineering University, 20, 91-96.
[18] Shan, M. (2009) Modeling and Control Strategy for Series Hydraulic Hybrid Vehicles. Doctoral Dissertation, University of Toledo, Toledo.

comments powered by Disqus

Copyright © 2020 by authors and Scientific Research Publishing Inc.

Creative Commons License

This work and the related PDF file are licensed under a Creative Commons Attribution 4.0 International License.