Investigation of Semi-Active Hydro-Pneumatic Suspension for a Heavy Vehicle Based on Electro-Hydraulic Proportional Valve - World Journal of Engineering and Technology

WJET > Vol.5 No.4, November 2017

World Journal of Engineering and Technology

Volume 5, Issue 4 (November 2017)

ISSN Print: 2331-4222 ISSN Online: 2331-4249

Google-based Impact Factor: 0.80 Citations

Investigation of Semi-Active Hydro-Pneumatic Suspension for a Heavy Vehicle Based on Electro-Hydraulic Proportional Valve ()

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Download as PDF (Size: 1278KB) PP. 696-706

DOI: 10.4236/wjet.2017.54058 1,547 Downloads 3,542 Views Citations

Author(s)

Wenchao Yue¹, Shoucheng Li², Xiaojun Zou¹

Affiliation(s)

¹NAVECO Ltd., Nanjing, China.
²School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing, China.

ABSTRACT

Hydro-pneumatic suspension is widely used in heavy vehicles due to its nonlinear characteristics of stiffness and damping. However, the conventional passive hydro-pneumatic suspension can’t adjust parameters according to the complicated road environment of heavy vehicles to fulfill the requirements of the vehicle ride comfort. In this paper, a semi-active hydro-pneumatic suspension system based on the electro-hydraulic proportional valve control is proposed, and fuzzy control is used as the control strategy to adjust the damping force of the semi-active hydro-pneumatic suspension. A 1/4 semi-active hydro-pneumatic suspension model is established, which is co-simulated with AMESim and MATLAB/Simulink. The co-simulation results show that the semi-active hydro-pneumatic suspension system can significantly reduce vibration of the vehicle body, and improve the suspension performance comparing with passive hydro-pneumatic suspension.

KEYWORDS

Hydro-Pneumatic Suspension, Semi-Active Control, Co-Simulation, Electro-Hydraulic Proportional Valve

Share and Cite:

Yue, W. , Li, S. and Zou, X. (2017) Investigation of Semi-Active Hydro-Pneumatic Suspension for a Heavy Vehicle Based on Electro-Hydraulic Proportional Valve. World Journal of Engineering and Technology, 5, 696-706. doi: 10.4236/wjet.2017.54058.

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