Energy Consumption Analysis and Parameters Optimization of 
Hydraulically Interconnected Suspension

doi:10.3969/j.issn.1674-0696.2018.01.20

Abstract

Abstract: Taking hydraulically interconnected suspension as the research object, the energy consumption model of each element in the hydraulic system was established from the perspective of energy consumption. The simulation analysis under three common urban road conditions was carried out.In allusion to the high proportion of energy consumption of damper valve,the influence of its pore size on energy consumptionand dynamic performance of the interconnected suspension was studied. On this basis, a multi-objective optimization model for hydraulically interconnected suspension was established, and then NSGA-Ⅱ algorithm was employed to obtain the optimal solution. The results show that the optimized suspension can guarantee the vehicle dynamic performance and effectively reduce the energy consumption of the damping valve, which realizes the function of energy conservation and emission reduction.

Key words: vehicle engineering, energy consumption analysis, interconnected suspension, design of experiment(DOE) analysis, genetic algorithm

摘要： 以液压互联悬架为研究对象，从能耗的角度出发，建立液压系统中各元件的能耗模型，并在3种常见的城市道路工况下进行了仿真分析。针对能耗占比较大的阻尼阀，研究了其孔径对于能耗及互联悬架动力学性能的影响，在此基础上建立了液压互联悬架多目标优化模型，并采用NSGA-Ⅱ算法对目标函数进行优化求解。结果表明：优化后的悬架在保证其动力学的同时，能够有效降低阻尼阀能耗，实现节能减排的功能。

关键词: 车辆工程, 能耗分析, 互联悬架, DOE分析, 遗传算法

CLC Number:

U463.33

CHEN Long, ZHANG Chenglong, WANG Ruochen, YE Qing. Energy Consumption Analysis and Parameters Optimization of Hydraulically Interconnected Suspension[J]. Journal of Chongqing Jiaotong University(Natural Science), 2018, 37(1): 121-126.

陈龙，张承龙，汪若尘，叶青. 液压互联悬架能耗分析与参数优化[J]. 重庆交通大学学报（自然科学版）, 2018, 37(1): 121-126.

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Energy Consumption Analysis and Parameters Optimization of Hydraulically Interconnected Suspension

液压互联悬架能耗分析与参数优化

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