自适应软测量算法的汽车行驶状态估计

doi:10.12068/j.issn.1005-3026.2019.01.014

东北大学学报:自然科学版 ›› 2019, Vol. 40 ›› Issue (1): 70-76.DOI: 10.12068/j.issn.1005-3026.2019.01.014

自适应软测量算法的汽车行驶状态估计

郝亮^1,2，郭立新¹

(1. 东北大学机械工程与自动化学院，辽宁沈阳110819; 2. 辽宁工业大学汽车与交通工程学院，辽宁锦州121001)

收稿日期:2017-04-29 修回日期:2017-04-29 出版日期:2019-01-15 发布日期:2019-01-28
通讯作者: 郝亮
作者简介:郝亮(1979-)，男，辽宁锦州人，东北大学博士研究生，辽宁工业大学讲师; 郭立新(1968-)，男，辽宁沈阳人，东北大学教授，博士生导师.
基金资助:
国家自然科学基金青年基金资助项目(51305190)；辽宁省教育厅重大科技平台项目(JP2016011).

Vehicle Driving State Estimation of the Adaptive Soft-Sensing Algorithm

HAO Liang^1,2， GUO Li-xin¹

1. School of Mechanical Engineering & Automation， Northeastern University， Shenyang 110819， China; 2. Automobile & Traffic Engineering College， Liaoning University of Technology， Jinzhou 121001， China.

Received:2017-04-29 Revised:2017-04-29 Online:2019-01-15 Published:2019-01-28
Contact: HAO Liang
About author:-
Supported by:
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摘要/Abstract

摘要： 为了实现车辆行驶状态低成本测量，设计了估计汽车行驶状态参数的传统无迹卡尔曼滤波器和能够有效解决噪声时变特性的次优Sage-Husa噪声估计器相结合算法，通过建立电动汽车3自由度的动力学模型和HSRI轮胎模型，且融合低成本测量的纵、横向加速度和方向盘转向角传感器测量信息，从而可精确估计电动汽车行驶状态.在选定的典型工况下，通过与无迹卡尔曼软测量算法进行对比，硬件在环实验结果有效地验证了自适应无迹卡尔曼软测量算法具有很好的鲁棒性，且比无迹卡尔曼软测量算法更加能够有效地估计电动汽车的行驶状态.

关键词: 自适应无迹卡尔曼软测量算法, 次优Sage-Husa 噪声估计器, 3自由度动力学模型, HSRI轮胎模型, 硬件在环

Abstract: The low-cost measurement of vehicle driving states is realized by establishing an algorithm based on the traditional unscented Kalman filter(UKF) which can estimate vehicle driving state parameters and the sub-optimal Sage-Husa noise estimator which can effectively solve the problem of noises varying with time. Meanwhile three-degree-of-freedom(3-DOF) dynamic model of electrical vehicles and highway safety research institute(HSRI) tire model are established. Accordingly， electrical vehicle driving states can be accurately estimated by fusing the low-cost measurement information of longitudinal and lateral acceleration and handwheel steering angles. Under the selected typical working condition， the adaptive unscented Kalman filter(AUKF) soft-sensing algorithm is compared with the UKF soft-sensing algorithm， and the hardware-in-the-loop(HIL) testing platform result indicates the AUKF soft-sensing algorithm has a good performance in robustness and is able to realize the effective estimation of electrical vehicles’ driving state more precisely than the UKF soft-sensing algorithm.

Key words: AUKF soft-sensing algorithm, sub-optimal Sage-Husa noise estimator, three-degree-of-freedom dynamic model, highway safety research institute tire model, hardware-in-the-loop

中图分类号:

郝亮，郭立新. 自适应软测量算法的汽车行驶状态估计[J]. 东北大学学报:自然科学版, 2019, 40(1): 70-76.

HAO Liang， GUO Li-xin. Vehicle Driving State Estimation of the Adaptive Soft-Sensing Algorithm[J]. Journal of Northeastern University Natural Science, 2019, 40(1): 70-76.

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自适应软测量算法的汽车行驶状态估计

Vehicle Driving State Estimation of the Adaptive Soft-Sensing Algorithm

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