Journal of Theoretical
and Applied Mechanics
0, 0, pp. , Warsaw 0

Parameter sensitivity analysis and optimization of vibration energy of hybrid energy-regenerative suspension

Jiajia Wang, Long Chen, Ruochen Wang, Xiangpeng Meng, Dehua Shi
In order to reveal the energy transfer characteristics of the hybrid energy-regenerative suspension during the driving process, a two-degree-of-freedom suspension model considering the non-linearity of tire damping is proposed. Meanwhile, energy efficiency, the unified index for all driving conditions, is obtained ,and its sensitivity to different influencing factors are deeply analyzed. Results obviously show that the influence of the same structure parameters on energy efficiency could vary with the excitation frequency of the road surface, especially at 1Hz and 10Hz. Based on that, the damping values under different frequency bands are optimized to balance the energy recovery and dynamic performances of the suspension.
Keywords: Hybrid energy-regenerative suspension;Vibration energy; Energy efficiency; Sensitivity;Optimal damping

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