학위논문 (석사)-- 서울대학교 대학원 : 기계항공공학부, 2014. 2. 이경수. ; This paper describes yaw stability control of commercial vehicles. When it comes to commercial vehicles, their unique characteristics – center of gravity, trackwidth, weight distribution – make them particularly vulnerable to yaw instability. In the case of commercial vehicles, variations of vehicle parameters are relatively large compared to passenger vehicles due to their loading conditions. Changes in some parameters, such as mass, cornering stiffness, center of gravity, can result in changes of pole locations. To obtain robust stability control performance, a robust yaw stability controller which takes advantage of stochastic root locus and sensitivity dynamics was used. Simulation studies have been conducted for the evaluation of the proposed controller. It has been shown via simulations that robust yaw stability control performance robust to parameter variations can be achievable by the use of the controller. ; Contents Abstract I List of Figures V Nomenclature VII Chapter 1. Introduction 1 1.1 Research Background 1 1.2 Research Overview 3 Chapter 2. Vehicle Dynamic Characteristics of Commercial Vehicles 4 2.1 Lateral Dynamics Analysis of Commercial Vehicles 8 2.2 Sensitivity Dynamics Analysis of Commercial Vehicles 12 Chapter 3. Yaw Stability Control of Commercial Vehicles 16 3.1 System Model for Stability Analysis 16 3.2 Conventional Linear Quadratic Regulator 17 3.3 Robust Control Design 18 3.4 Tire Force Distribution for Yaw Stability Control 21 Chapter 4. Simulation Results 23 Chapter 5. Summary / Conclusions 28 Bibliography 29 초 록 32 ; Master


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    Title :

    Robust Control Design for Yaw Stability of Commercial Vehicles ; 상용차량의 요안정성을 위한 강건제어 설계



    Publication date :

    2014-01-01


    Type of media :

    Theses


    Type of material :

    Electronic Resource


    Language :

    English



    Classification :

    DDC:    629



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