Dynamics of electromagnetic slip coupling for hydraulic power steering application and its energy-saving characteristics

被引：0

作者：

唐斌 ^{[1
]}

江浩斌 ^{[1
]}

徐哲 ^{[1
]}

耿国庆 ^{[1
]}

徐兴 ^{[2
]}

机构：

[1] School of Automobile and Traffic Engineering Jiangsu University

[2] Automobile Engineering Research Institute Jiangsu University

来源：

Journal of Central South University | 2015年 / 22卷 / 05期

基金：

中国国家自然科学基金;

关键词：

heavy-duty vehicle; hydraulic power steering system; electromagnetic slip coupling; dynamics; energy saving;

D O I：

暂无

中图分类号：

U463.4 [转向系统];

学科分类号：

摘要：

To improve high-speed road feel and enhance energetic efficiency of hydraulic power steering(HPS) system in heavy-duty vehicles, an electromagnetic slip coupling(ESC) was applied to the steering system, which regulated discharge flow of steering pump to realize variable assist characteristic as well as uniquely transfer on-demand power from engine to steering pump. The model of ESC was established and the dynamic characteristics of ESC were presented by the way of simulation and experiment. Upon the layout of the assist characteristics, output torque of ESC was derived. Based on the ESC model, the output torque characteristics of ESC were simulated under steering situation and straight driving situation, respectively. The consistency of simulated ESC output torque and the one deduced from assist characteristics verifies the correctness of the ESC dynamic model. To illustrate energy saving characteristics of ESC-HPS, energy consumption comparison of ESC-HPS and conventional HPS was carried out qualitatively and quantitatively. It follows that the energy consumption of ESC-HPS decreases by 50% compared with that of HPS.

引用

页码：1994 / 2000

页数：7

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