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电控液压助力转向的建模和仿真

作  者:
高翔;赵万里;谢后循;张多
单  位:
江苏大学汽车与交通工程学院
关键词:
电控液压助力转向;PWM;中位开式;中位闭式
摘  要:
针对传统的液压助力转向系统,提出通过脉冲调制控制器、伺服旋转控制阀、转向机构等构成的电控液压助力转向系统的仿真模型。在Matlab环境中对中位开式和中位闭式电控液压助力转向系统进行仿真,通过PWM脉宽调制来调速电动机,达到节能的目的。
译  名:
Model of Electro-Hydraulic Power Steering System
作  者:
GAO Xiang,ZHAO Wan-li,XIE Hou-xun,ZHANG Duo(Automobile and Traffic Engineering,Jiangsu University,Zhenjiang 212013,China)
关键词:
EHPS;PWM;Center-Open;Center-Close
摘  要:
By improving the conventional hydraulic power steering system(HPS),a model to simulate the electro-hydraulic power steering system was presented.The model is composed of a PWM controller,a rotary servo valve and a steering mechanism.In the paper,Center-Close and Center-Open EHPS is simulated with MATLAB,respectively.Electic-motor is regulated speed to save energy though impulse-with-modulation(PWM).

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