Sensitivity Analysis and Optimization of Hydraulic Parameters to a Hydraulic-electrical Regenerative Suspension’s Performance

ZHOU Chuanghui, WEN Guilin


To improve suspension regenerative power with reasonable vehicle ride comfort, sensitivity analysis and optimization of hydraulic parameters to a hydraulic-electrical regenerative suspension were carried out. The regenerative suspension consists of a spring and a hydra-electrical regenerative unit. Based on the suspension structure and principle, a simulation model of the hydra-electrical regenerative unit was established by AMESim software. And the model was verified by a prototype testing of the hydraulic-electrical regenerative unit. Taking ISIGHT software as a platform, sensitivities of hydraulic system parameters affecting car-body vertical acceleration and suspension regenerative power were analyzed by a quarter car vehicle mode in AMESim. The results show that, compared with recharging pressures and volumes of two accumulators, hydraulic motor displacement has a significant effect on both the vehicle vertical acceleration and suspension regenerative power. Moreover, taking the vehicle vertical acceleration RMS value of a traditional suspension as a constraint, the hydraulic system parameters were optimized to maximize the suspension average regenerative power. The results show that the average regenerative power is improved by 12.7% after optimization when the vehicle ride comfort is acceptable.



Keywords: vehicle suspension,  regenerative suspension,  ISIGHT,  AMESim,  sensitivity analysis,  optimization

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ZHOU Changcheng. Vehicle suspension design and theoretical analysis [M]. Beijing: Peking University Press. 2011. (In Chinese)

MARAVANDI A, MOALLEM M. Regenerative shock absorber using a two-leg motion conversion mechanism [J]. IEEE Transactions on Mechatronics.2015.20(6):2853—2861.

SU Yuqing.LI Shimming, WANG Yong. Overview of the research of automobile energy recovery systems [J]. Noise and Vibration Control,2016, 36(2):6—11.(In Chinese)

LEI Z.SCULLY B.SHESTANI J, et al. Design and characterization of an electromagnetic energy harvester for vehicle suspensions [J]. Smart Materials and Structures.2010.19(4): 45 -53.

CHEN Long, SHI Dchua. WANG Ruochen. et al. Adaptive offline neural network inverse control for enercv-harvesting suspension [J]. Transactions of the Chinese Society of Agricultural Machinery, 2015,46 (2): 281 — 287. (In Chinese)

CHEN Long, SHI Dchua, WANG Ruochen, et al. Design and experiment study of a semi-active energy-regenerative suspension, [J]..Smart Materials and Structures.2015, 24(1): 1— 12

XU Guangcan.XU Jun. IA Shiying. et al. Energy regenerative suspension and its performance optimization for electric vehicle[J]. Journal of Xi'an Jiaotong University: Natural Sciences. 2016.50(8):90—95. (In Chinese)

KOU Farong Design and energy regenerative study on vehicle semi-active suspension with electro- hydrostatic actuator[J J. Transactions of the Chinese Society of Agricultural Machinery.2016.47(5) :352—359.(In Chinese)

FANG Zhigang. GUO Xuexun. XU Lin. et al. Experimental study of damping and energy regeneration characteristics of a hydraulic electromagnetic shock absorber [J]. Advances in Mechanical Engineering. 2013. P.943528

ZHANG Han.GUO Xuexun. XU Lin. et al. Simulation and test for hydraulic electromagnetic energy- regenerative shock absorber [J]. Transactions of the Chinese Society of Agricultural Engineering. 2014.30( 2): 38—4 6. (In Chinese)

ZHOU Bing. Huang Xiaoting. GENG Yuan. Influence of hydraulic parameters on hydraulically interconnected suspension based on Morris [J]. Journal of Hunan University: Natural Sciences. 2016.43(2): 70— 76. (In Chinese)

MA Tianfei, CUI Zefei. TONG Jing.Integrated optimization of the key parameters of hydraulic shock absorber based on Isight and AMESim software [J]. Automotive Engineering. 2015.37( 1): 97-101. (In Chinese)


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