Research on Energy Regeneration Characteristics of Multi-Link Energy-Fed Suspension

Xuefeng Zhang, Jianze Liu (), Yang Li, Guangzheng Wang, Yu Zou and Jiang Liu
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Xuefeng Zhang: Institute of Mechanical and Automotive Engineering, Qingdao University of Technology, Qingdao 266520, China
Jianze Liu: Institute of Mechanical and Automotive Engineering, Qingdao University of Technology, Qingdao 266520, China
Yang Li: Institute of Mechanical and Automotive Engineering, Qingdao University of Technology, Qingdao 266520, China
Guangzheng Wang: Institute of Mechanical and Automotive Engineering, Qingdao University of Technology, Qingdao 266520, China
Yu Zou: Institute of Mechanical and Automotive Engineering, Qingdao University of Technology, Qingdao 266520, China
Jiang Liu: Institute of Mechanical and Automotive Engineering, Qingdao University of Technology, Qingdao 266520, China

Energies, 2025, vol. 18, issue 11, 1-26

Abstract: Inspired by the single-blade hyperboloid, a new type of multi-bar shock absorber was designed, which can recover vibration energy. Its principle is to convert the droop reciprocating vibration of the vehicle in the spatial domain into the reciprocating rotational motion in the plane through the trajectory and force characteristics of the single-blade hyperboloid moving along the space. To improve the efficiency of energy regeneration, a mechanical motion filtering mechanism was designed. Through theoretical derivation, the energy regeneration formula of a new type of multi-rod shock absorber was obtained. After simulation analysis and experimental verification, under the input excitation of 1.82 Hz, the maximum instantaneous output voltage can reach 29 V, the maximum excitation current is 0.58 A, and the maximum power is 16.84 W. The efficient recovery and utilization of energy have been achieved, and the ride comfort of the vehicle has been improved.

Keywords: two degrees of freedom; energy-fed suspension; multi-link mechanism; energy recovery; vehicle system (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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