汽车工程 ›› 2026, Vol. 48 ›› Issue (3): 638-650.doi: 10.19562/j.chinasae.qcgc.2026.ep.001
• • 上一篇
收稿日期:2025-05-20
修回日期:2025-07-09
出版日期:2026-03-25
发布日期:2026-03-19
通讯作者:
赵治国
E-mail:zhiguozhao@tongji.edu.cn
基金资助:
Qi Jin1,Zhiguo Zhao1(
),Chao Jiang2,Yuxing Zhou2,Kun Zhao1,Xue Xia1
Received:2025-05-20
Revised:2025-07-09
Online:2026-03-25
Published:2026-03-19
Contact:
Zhiguo Zhao
E-mail:zhiguozhao@tongji.edu.cn
摘要:
质心侧偏角是表征车辆运动稳定性的关键变量之一。现有估计方法多依赖高精度车辆动力学与轮胎模型,导致其在复杂非线性工况下的估计精度难以保证。为提升质心侧偏角估计的准确性与鲁棒性,本文提出一种基于卷积神经网络-双向长短时记忆网络(CNN-BiLSTM)与自适应噪声无迹卡尔曼滤波(AUKF)相融合的车辆质心侧偏角估计方法。首先,构建基于CNN-BiLSTM的分位数估计模型,结合车辆运动学模型与分位数回归损失函数,实现对质心侧偏角均值及分位区间的估计;其次,设计基于AUKF的动力学状态观测器,利用CNN-BiLSTM观测器的估计结果更新观测协方差矩阵,实现质心侧偏角的准确估计;最后,通过CarSim/Simulink联合仿真和实车试验对所提算法进行验证。结果表明,本文提出的CNN-BiLSTM与AUKF融合的车辆质心侧偏角估计算法,在不同工况与路面附着条件下估计结果准确,显著优于基于动力学模型的估计方法,具有较高估计精度和较强鲁棒性。
金琪,赵治国,姜超,周宇星,赵坤,夏雪. 融合CNN-BiLSTM与AUKF的车辆质心侧偏角估计[J]. 汽车工程, 2026, 48(3): 638-650.
Qi Jin,Zhiguo Zhao,Chao Jiang,Yuxing Zhou,Kun Zhao,Xue Xia. Vehicle Sideslip Angle Estimation Based on CNN-BiLSTM and AUKF Fusion[J]. Automotive Engineering, 2026, 48(3): 638-650.
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