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In this paper, a novel energy harvesting and vibration control (EHVC) strategy based on a novel circuit design is proposed for an electromagnetic suspension system to balance ride comfort and energy recovery. In the novel circuit, the supercapacitor and variable resistor module are connected through an H-bridge to achieve bidirectional energy recovery of electromagnetic damper (EMD) and reuse of collected energy. The ideal current in the circuit is calculated A simulation model is established based on a quarter-car model, including the EMD model and circuit model. EHVC is compared with a well-tuned passive suspension (PS) and the other two strategies. Simulation results show that compared with the PS, the RMS acceleration value of EHVC is reduced by 44.64%; and compared with the variable resistance (VR) strategy which vibration energy is consumed through resistance, EHVC has better comfort performance; and compared with the active control (VC) strategy which does not recover energy, the EHVC also has a similar vibration suppression performance to the AC and achieving 36.26% energy recovery efficiency.

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Research on Vibration Control of Electromagnetic Suspension Based on a Novel Energy Recycling Circuit

  • 会议论文

  • 发表日期：

    2025年

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  • Hongfan Li,
  • Pengfei Liu,
  • Xiangjun Xia,
  • Donghong Ning

摘要

In this paper, a novel energy harvesting and vibration control (EHVC) strategy based on a novel circuit design is proposed for an electromagnetic suspension system to balance ride comfort and energy recovery. In the novel circuit, the supercapacitor and variable resistor module are connected through an H-bridge to achieve bidirectional energy recovery of electromagnetic damper (EMD) and reuse of collected energy. The ideal current in the circuit is calculated A simulation model is established based on a quarter-car model, including the EMD model and circuit model. EHVC is compared with a well-tuned passive suspension (PS) and the other two strategies. Simulation results show that compared with the PS, the RMS acceleration value of EHVC is reduced by 44.64%; and compared with the variable resistance (VR) strategy which vibration energy is consumed through resistance, EHVC has better comfort performance; and compared with the active control (VC) strategy which does not recover energy, the EHVC also has a similar vibration suppression performance to the AC and achieving 36.26% energy recovery efficiency.