[1]林棻,赵又群.汽车侧偏角估计方法比较[J].南京理工大学学报(自然科学版),2009,(01):122-126.
　LIN Fen,ZHAO You-qun.Comparison of Methods for Estimating Vehicle Side Slip Angle[J].Journal of Nanjing University of Science and Technology,2009,(01):122-126.
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汽车侧偏角估计方法比较
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《南京理工大学学报》（自然科学版）[ISSN:1005-9830/CN:32-1397/N]

卷:
期数:
2009年01期
页码:
122-126
栏目:
出版日期:
2009-02-28

文章信息/Info

Title:
Comparison of Methods for Estimating Vehicle Side Slip Angle
作者:
林棻;赵又群;
南京航空航天大学车辆工程系, 江苏南京210016
Author(s):
LIN Fen; ZHAO You-qun
Department of Automotive Engineering,Nanjing University of Aeronautics andAstronautics,Nanjing 210016,China
关键词:
汽车;  侧偏角;  径向基函数;  神经网络;  自适应卡尔曼滤波;  状态估计
Keywords:
vehicles;  side slip angles;  radial basis functions;  neural network;  adaptive Kalman filter;  state estimation
分类号:
U461.6
摘要:
针对汽车质心侧偏角难以直接获取的问题,提出了基于径向基神经网络与驾驶员-汽车闭环系统相结合的侧偏角估计方法。把汽车侧偏角看作横摆角速度和侧向加速度时间序列的映射,采用均匀设计方案对训练样本进行优选,通过神经网络建立三者之间的映射关系。同时设计了一种改进自适应卡尔曼滤波算法,将其运用到相同道路输入下汽车侧偏角的估计当中。对两种方法进行了基于实车试验的比较:神经网络方法的估计误差均值和标准差分别为0.046333°、0.057 822;°自适应卡尔曼滤波方法的估计误差均值和标准差分别为0.062 745°、0
Abstract:
Aiming at the problem that vehicle side slip angles are difficult to measure directly,a radial basis function(RBF) based neural network method is proposed to estimate side slip angles combined with driver-vehicle closed-loop system.Vehicle side slip angle is considered as mapping of time series of yaw rate and lateral acceleration.A uniform design project is used to select training samples,and the relationship of the three state parameters is established through neural network.An improved adaptive Kalman filter algorithm is designed to estimate vehicle side slip angles in the same road input.The two methods are compared based on full vehicle test: the average error and the standard deviation of RBF neural network method is 0.046 333°and 0.057 822° respectively.The average error and the standard deviation of Kalman filter method is 0.062 745°and 0.089 241° respectively.The conclusions can provide theoretic direction for design of estimator in vehicle stability control system.

参考文献/References:

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备注/Memo

备注/Memo:
基金项目: 高等学校博士学科点专项科研基金项目( 20040287004)
作者简介: 林棻( 1980- ), 男, 博士生, 主要研究方向: 汽车系统动力学及控制、汽车现代设计理论与实验方法等, E-m ail:nhlf2008@ yahoo. com. cn; 通讯作者: 赵又群( 1968- ), 男, 教授, 博士生导师, 主要研究方向: 汽车系统动力学及控制、计算结构力学。
更新日期/Last Update: 2012-11-19