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Optimized design and characterization of motor-pump unit for energy-regenerative shock absorbers

Author

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  • Galluzzi, Renato
  • Xu, Yijun
  • Amati, Nicola
  • Tonoli, Andrea

Abstract

The constant need to reduce emissions in the automotive sector has driven the electrification of powertrain and chassis. To comply with this trend and decrease the bound even further, the present paper proposes the use of hydraulic regenerative shock absorbers for automotive suspension systems. The conversion of linear into angular motion and the suitable control of an integrated electric machine allow to transform part of the vibrational energy into electricity. In these damping devices, the key element is the motor-pump unit that is interfaced onto a conventional hydraulic cylinder architecture. Hence, the proposed research focuses on this component by investigating different design aspects in all the domains of interest. The objective is to optimize the energy conversion efficiency of the unit without affecting its damping control property. To give means of validation, a motor-pump prototype is built and experimentally characterized through a dedicated test rig.

Suggested Citation

  • Galluzzi, Renato & Xu, Yijun & Amati, Nicola & Tonoli, Andrea, 2018. "Optimized design and characterization of motor-pump unit for energy-regenerative shock absorbers," Applied Energy, Elsevier, vol. 210(C), pages 16-27.
    • Handle: RePEc:eee:appene:v:210:y:2018:i:c:p:16-27
    DOI: 10.1016/j.apenergy.2017.10.100
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    References listed on IDEAS

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    1. Zhang, Zutao & Zhang, Xingtian & Chen, Weiwu & Rasim, Yagubov & Salman, Waleed & Pan, Hongye & Yuan, Yanping & Wang, Chunbai, 2016. "A high-efficiency energy regenerative shock absorber using supercapacitors for renewable energy applications in range extended electric vehicle," Applied Energy, Elsevier, vol. 178(C), pages 177-188.
    2. Zhang, Yuxin & Chen, Hong & Guo, Konghui & Zhang, Xinjie & Eben Li, Shengbo, 2017. "Electro-hydraulic damper for energy harvesting suspension: Modeling, prototyping and experimental validation," Applied Energy, Elsevier, vol. 199(C), pages 1-12.
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    Citations

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    Cited by:

    1. Abdelkareem, Mohamed A.A. & Xu, Lin & Ali, Mohamed Kamal Ahmed & El-Daly, Abdel-Rahman B.M. & Hassan, Mohamed A. & Elagouz, Ahmed & Bo, Yang, 2019. "Analysis of the prospective vibrational energy harvesting of heavy-duty truck suspensions: A simulation approach," Energy, Elsevier, vol. 173(C), pages 332-351.
    2. Diogo Correia & Adelino Ferreira, 2021. "Energy Harvesting on Airport Pavements: State-of-the-Art," Sustainability, MDPI, vol. 13(11), pages 1-20, May.
    3. Puliti, Marco & Galluzzi, Renato & Tessari, Federico & Amati, Nicola & Tonoli, Andrea, 2024. "Energy efficient design of regenerative shock absorbers for automotive suspensions: A multi-objective optimization framework," Applied Energy, Elsevier, vol. 358(C).
    4. 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.
    5. 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.
    6. Long, Guimin & Ding, Fei & Zhang, Nong & Zhang, Jie & Qin, An, 2020. "Regenerative active suspension system with residual energy for in-wheel motor driven electric vehicle," Applied Energy, Elsevier, vol. 260(C).
    7. Umid Jamolov & Francesco Peccini & Giovanni Maizza, 2022. "Multiphysics Design of an Automotive Regenerative Eddy Current Damper," Energies, MDPI, vol. 15(14), pages 1-18, July.
    8. Zhang, Baifu & Zhao, Zhen & Li, Yongxin & Zhang, Xiaohui & Li, Xinjun & Hao, Daning & Zhang, Zutao, 2025. "Design and analysis of a piezoelectric energy harvesting shock absorber for light truck applications," Applied Energy, Elsevier, vol. 377(PB).
    9. El Bakkari, Fatima & Mounir, Hamid, 2024. "Compatible alternative energy storage systems for electric vehicles: Review of relevant technology derived from conventional systems," Energy, Elsevier, vol. 288(C).
    10. Sathishkumar, P. & Wang, Ruochen & Yang, Lin & Thiyagarajan, J., 2021. "Energy harvesting approach to utilize the dissipated energy during hydraulic active suspension operation with comfort oriented control scheme," Energy, Elsevier, vol. 224(C).

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