[1]丁惜瀛,刘日辉,崔紫微,等.基于非线性最小二乘的路面附着系数估计方法[J].控制与信息技术(原大功率变流技术),2016,(04):55-59.[doi:10.13889/j.issn.2095-3631.2016.04.012]
 DING Xiying,LIU Rihui,CUI Ziwei,et al.Estimation Approach of Road Friction Coefficient Based on Nonlinear Least Squares[J].High Power Converter Technology,2016,(04):55-59.[doi:10.13889/j.issn.2095-3631.2016.04.012]
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基于非线性最小二乘的路面附着系数估计方法()
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《控制与信息技术》(原《大功率变流技术》)[ISSN:2095-3631/CN:43-1486/U]

卷:
期数:
2016年04期
页码:
55-59
栏目:
工业应用
出版日期:
2016-08-05

文章信息/Info

Title:
Estimation Approach of Road Friction Coefficient Based on Nonlinear Least Squares
文章编号:
2095-3631(2016)04-0055-05
作者:
丁惜瀛1刘日辉1崔紫微2沈思瑶1成凯龙1
(1. 沈阳工业大学电气工程学院,辽宁 沈阳 110870;2. 中国石油辽阳石化分公司,辽宁 辽阳 111003)
Author(s):
DING Xiying1LIU Rihui1CUI Ziwei2SHEN Siyao1CHENG Kailong1
(1.School of Electrical Engineering, Shenyang University of Technology, Shenyang, Liaoning 110870, China; 2. Liaoyang Petrochemical Company of PetroChina, Liaoyang, Liaoning 111003, China)
关键词:
电动汽车附着系数非线性最小二乘法转向
Keywords:
electric vehicle adhesion coefficient nonlinear least squares steering
分类号:
U469.72
DOI:
10.13889/j.issn.2095-3631.2016.04.012
文献标志码:
A
摘要:
提出了一种基于非线性最小二乘的路面附着系数估计方法,该方法对电动汽车转向工况的特性具有很好的估计。首先基于汽车单轨结构,建立车辆二自由度侧向运动模型;然后根据动力学方程构建最小二乘问题;同时提出了一种新的迭代初值选择方法。仿真结果表明:该方法在转向工况下能够对路面附着系数进行实时、准确的估计。
Abstract:
It proposed a kind of estimation approach for road friction coefficient based on nonlinear least squares, which has a good estimate characteristic to the steering condition. First of all, based on the structure of monorail car, two degrees of freedom vehicle lateral motion model was established, then the least squares problem was build according to the dynamics equations , at the same time it put forward a new method of iterative initial value selection. Simulation results show that the method can accurately estimate the road friction coefficient in real time under the steering condition.

参考文献/References:

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 [6] LIU C S ,PENG H. Road friction coefficient estimation for vehicle path prediction[J]. Vehicle System Dynamics,1996,25(S1): 413-425.
[7] HAHN J O,RAJAMANI R,ALEXANDERL. GPS-based real-time identification of tire-road friction coefficient[J]. IEEE Transactions on Control Systems. Technology,2002,10(3):331-343.
[8] SIERRA C,TSENG E,JAIN A,et al. Cornering stiffness estimation based on vehicle lateral dynamics [J]. Vehicle System Dynamics,2006,44(S1):24-38.
[9] 唐利民,朱建军. 非线性最小二乘问题数值迭代法的统一模型及其不适定性[J]. 长沙交通学院学报,2008,24(2):40-43.

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备注/Memo

备注/Memo:
收稿日期:2016-05-17
作者简介:丁惜瀛(1964-),女,博士,教授,研究方向为电动汽车牵引及安全性控制。
更新日期/Last Update: 2016-08-31