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Modelling, Testing and Analysis of a Regenerative Hydraulic Shock Absorber System

Author

Listed:
  • Ruichen Wang

    (School of Computing and Engineering, University of Huddersfield, Queensgate, Huddersfield HD1 3DH, UK)

  • Fengshou Gu

    (School of Computing and Engineering, University of Huddersfield, Queensgate, Huddersfield HD1 3DH, UK)

  • Robert Cattley

    (School of Computing and Engineering, University of Huddersfield, Queensgate, Huddersfield HD1 3DH, UK)

  • Andrew D. Ball

    (School of Computing and Engineering, University of Huddersfield, Queensgate, Huddersfield HD1 3DH, UK)

Abstract

To improve vehicle fuel economy whilst enhancing road handling and ride comfort, power generating suspension systems have recently attracted increased attention in automotive engineering. This paper presents our study of a regenerative hydraulic shock absorber system which converts the oscillatory motion of a vehicle suspension into unidirectional rotary motion of a generator. Firstly a model which takes into account the influences of the dynamics of hydraulic flow, rotational motion and power regeneration is developed. Thereafter the model parameters of fluid bulk modulus, motor efficiencies, viscous friction torque, and voltage and torque constant coefficients are determined based on modelling and experimental studies of a prototype system. The model is then validated under different input excitations and load resistances, obtaining results which show good agreement between prediction and measurement. In particular, the system using piston-rod dimensions of 50–30 mm achieves recoverable power of 260 W with an efficiency of around 40% under sinusoidal excitation of 1 Hz frequency and 25 mm amplitude when the accumulator capacity is set to 0.32 L with the load resistance 20 Ω. It is then shown that the appropriate damping characteristics required from a shock absorber in a heavy-haulage vehicle can be met by using variable load resistances and accumulator capacities in a device akin to the prototype. The validated model paves the way for further system optimisation towards maximising the performance of regeneration, ride comfort and handling.

Suggested Citation

  • Ruichen Wang & Fengshou Gu & Robert Cattley & Andrew D. Ball, 2016. "Modelling, Testing and Analysis of a Regenerative Hydraulic Shock Absorber System," Energies, MDPI, vol. 9(5), pages 1-24, May.
    • Handle: RePEc:gam:jeners:v:9:y:2016:i:5:p:386-:d:70405
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    Citations

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    Cited by:

    1. Lafarge, Barbara & Grondel, Sébastien & Delebarre, Christophe & Curea, Octavian & Richard, Claude, 2021. "Linear electromagnetic energy harvester system embedded on a vehicle suspension: From modeling to performance analysis," Energy, Elsevier, vol. 225(C).
    2. Ruichen Wang & Paul Allen & Yang Song & Zhiwei Wang, 2022. "Modelling and Analysis of Power-Regenerating Potential for High-Speed Train Suspensions," Sustainability, MDPI, vol. 14(5), pages 1-22, February.
    3. Ran Zhang & Xu Wang & Sabu John, 2018. "A Comprehensive Review of the Techniques on Regenerative Shock Absorber Systems," Energies, MDPI, vol. 11(5), pages 1-43, May.
    4. Tao Wang & He Wang, 2017. "Research on an Integrated Hydrostatic-Driven Electric Generator with Controllable Load for Renewable Energy Applications," Energies, MDPI, vol. 10(9), pages 1-17, August.
    5. Abdelkareem, Mohamed A.A. & Xu, Lin & Ali, Mohamed Kamal Ahmed & Elagouz, Ahmed & Mi, Jia & Guo, Sijing & Liu, Yilun & Zuo, Lei, 2018. "Vibration energy harvesting in automotive suspension system: A detailed review," Applied Energy, Elsevier, vol. 229(C), pages 672-699.
    6. Zhang, Ran & Wang, Xu & Al Shami, Elie & John, Sabu & Zuo, Lei & Wang, Chun H., 2018. "A novel indirect-drive regenerative shock absorber for energy harvesting and comparison with a conventional direct-drive regenerative shock absorber," Applied Energy, Elsevier, vol. 229(C), pages 111-127.
    7. Lingbo Li & Guoliang Hu & Lifan Yu & Haonan Qi, 2021. "Development and Performance Analysis of a New Self-Powered Magnetorheological Damper with Energy-Harvesting Capability," Energies, MDPI, vol. 14(19), pages 1-22, September.
    8. Zhang, Ran & Zhao, Liya & Qiu, Xiaojun & Zhang, Hui & Wang, Xu, 2020. "A comprehensive comparison of the vehicle vibration energy harvesting abilities of the regenerative shock absorbers predicted by the quarter, half and full vehicle suspension system models," Applied Energy, Elsevier, vol. 272(C).
    9. Donglai Zhao & Wenjie Ge & Xiaojuan Mo & Bo Liu & Dianbiao Dong, 2019. "Design of A New Hydraulic Accumulator for Transient Large Flow Compensation," Energies, MDPI, vol. 12(16), pages 1-17, August.
    10. Xueying Lv & Yanju Ji & Huanyu Zhao & Jiabao Zhang & Guanyu Zhang & Liu Zhang, 2020. "Research Review of a Vehicle Energy-Regenerative Suspension System," Energies, MDPI, vol. 13(2), pages 1-14, January.
    11. Pan, Yu & Liu, Fengwei & Jiang, Ruijin & Tu, Zhiwen & Zuo, Lei, 2019. "Modeling and onboard test of an electromagnetic energy harvester for railway cars," Applied Energy, Elsevier, vol. 250(C), pages 568-581.
    12. Lincoln Bowen & Jordi Vinolas & José Luis Olazagoitia, 2019. "Design and Potential Power Recovery of Two Types of Energy Harvesting Shock Absorbers," Energies, MDPI, vol. 12(24), pages 1-19, December.
    13. Zepeng Gao & Sizhong Chen & Yuzhuang Zhao & Jinrui Nan, 2018. "Height Adjustment of Vehicles Based on a Static Equilibrium Position State Observation Algorithm," Energies, MDPI, vol. 11(2), pages 1-26, February.

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