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Research on Dynamic Characteristic and Control of Electric Power Steering System for Vehicle

Author: ZhangChunHua
Tutor: LiXiangZuo
School: Central South University of Forestry Science and Technology
Course: Mechanical Design and Theory
Keywords: Electric Power Steering Assist characteristic Dynamic characteristic Control strategy Fuzzy Control
CLC: U463.4
Type: Master's thesis
Year: 2007
Downloads: 98
Quote: 1
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Abstract


Automobile steering systems that affect vehicle handling and stability , active safety and comfort of critical systems . Electric power steering (Electric Power Steering System referred EPS) is a new power steering technology, compared with the hydraulic power steering system , it can save fuel and improve active safety , controllable steering feel , and there is environmentally friendly. It meets modern automotive electronics , intelligence development requirements , with the development of automobile safety, environmental protection , energy saving three themes coincide power steering now become the focus of research . Thus the electric power steering system dynamics and control research has important practical significance. Based on the analysis of literature data , based on the following aspects of the content of : ( a ) the structure of the EPS system was designed and its working principle and characteristics are introduced. ( 2 ) to establish the main components of the EPS system dynamics model of the power characteristic curve analysis and research. ( 3 ) use of the car steering performance of the main characteristics of the EPS evaluation analysis derive quantitative evaluation EPS characteristic expression , the main parameters on the EPS steering performance were analyzed and compared. ( 4) The method for controlling the EPS study on the control method used in the simulation analysis and comparison . Through this research project , the completion of the main components of the EPS system dynamics modeling and power curve design ; analyze the performance of EPS steering dynamics ; explore the EPS system control strategy for further work to lay a theoretical foundation .

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CLC: > Transportation > Road transport > Automotive Engineering > Automotive structural components > Steering system
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