| 汽车运动状态在线测量及预报技术 |
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| 引用本文： | 刘军,董晶晶,时枭鹏,何国国.汽车运动状态在线测量及预报技术[J].中国公路学报,2011(4). |
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| 作者姓名： | 刘军 董晶晶 时枭鹏 何国国 |
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| 作者单位： | 江苏大学汽车与交通工程学院; |
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| 基金项目： | 汽车动态模拟国家重点实验室开放基金项目(20071104) |
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| 摘 要： | 为了有效地对汽车自身可能的运动状态进行预报,并对潜在的行车危险进行预警,开展了汽车运动状态在线测量及预报技术研究。设计了微惯性测量单元,实现汽车运动状态参数在线测量,介绍了汽车姿态解算及其速度积分算法;设计了Kalman滤波器,通过信号融合处理获取汽车运动状态参数的最优估计值;阐述了自回归建模预报方法,并开发了汽车运动状态在线测量及预报软件;最后搭建了车载试验平台并进行了实车道路试验。结果表明:汽车运动状态在线测量及预报技术具有很好的预报效果,为未来开发性能更可靠、效果更佳的汽车主动安全预警系统提供了一定的理论依据和技术途径。
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| 关 键 词： | 汽车工程 汽车运动状态参数 道路试验 在线测量及预报 微惯性测量单元 自回归模型 |
On-line Measurement and Prediction Technology for Vehicle Motion State |
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| LIU Jun,DONG Jing-jing,SHI Xiao-peng,HE Guo-guo.On-line Measurement and Prediction Technology for Vehicle Motion State[J].China Journal of Highway and Transport,2011(4). |
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| Authors: | LIU Jun DONG Jing-jing SHI Xiao-peng HE Guo-guo |
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| Institution: | LIU Jun,DONG Jing-jing,SHI Xiao-peng,HE Guo-guo(School of Automobile and Traffic Engineering,Jiangsu University,Zhenjiang 212013,Jiangsu,China) |
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| Abstract: | In order to predict vehicle motion state and potential danger effectively,on-line measurement and prediction technology for vehicle motion state was developed.Micro inertial measurement unit(MIMU) was designed independently in order to realize on-line measurement of vehicle motion state parameters.Vehicle attitude solution and its velocity integration algorithm were presented and Kalman filter was designed.Through fusion of sensor signals,optimal estimation values of motion state parameters were achieved.Au... |
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| Keywords: | automotive engineering vehicle motion state parameter road test on-line measurement and prediction micro inertial measurement unit auto-regressive model |
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