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汽车AFS前照灯转角动力学建模及仿真分析 被引量:6

Dynamic Modeling and Simulative Analysis of Headlight Steering Angle of Adaptive Front-Light System
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摘要 结合线性2自由度车辆动力学模型建立了车辆转向时的AFS数学模型,在Matlab/Simulink中建立了该数学模型的系统仿真模块,得到3组不同变量(不同车速、前轮转角和道路转弯半径)下的前照灯转角变化曲线。仿真结果表明,车辆动力学因素在汽车转向过程中对前照灯转角有一定影响;基于车辆动力学的AFS能够有效提高驾驶员可视范围,使车辆驾驶更加安全可靠。 By using two-degree-of-freedom vehicle linear dynamics model, AFS mathematical model for the turning operation has been established,a system simulation module of this mathematical model has been established in Matlab/ Simulink,and a variation curve of headlamp turning angle are obtained under three groups of different variables (under different vehicle speed,front wheel turning angle and turning radius).The simulation results show that the vehicle dynamics has impact on headlamp turning angle in the turning of the vehicle;AFS based on vehicle dynamics can effectively improve driver's range of visibility and improve driving safety and reliability.
出处 《汽车技术》 北大核心 2009年第5期38-39,49,共3页 Automobile Technology
基金 天津市自然科学基金(项目编号:07JCYBJC04700) 天津市高校科技发展基金(项目编号:20051023)
关键词 AFS 前照灯转角 动力学模型 仿真 AFS,Headlamp steering angle,Dynamics model,Simulation
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参考文献3

  • 1Dubrovin A,Leleve J,Prevost A,et al.Application of Real-Time Lighting Simulation for Intelligent Front-Lighting Studies. Driving Simulation Conference,2000,333-345.
  • 2崔惠中,关志伟.智能前照灯系统(AFS)研究现状综述[J].天津工程师范学院学报,2008,18(1):47-50. 被引量:28
  • 3Gillespie Thomas.车辆动力学基础.北京:清华大学出版社.2006.

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