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An Approach for Filter Divergence Suppression in a Sequential Data Assimilation System and Its Application in Short-Term Traffic Flow Forecasting

文献类型：期刊论文

作者Tong, Xiaohua2; Wang, Runjie1,2; Shi, Wenzhong1; Li, Zhiyuan3
刊名ISPRS INTERNATIONAL JOURNAL OF GEO-INFORMATION
出版日期2020-06-01
卷号9期号:6页码:16
关键词sequential data assimilation system filter divergence gain matrix L-1-norm constrained short-term traffic flow forecasting
DOI10.3390/ijgi9060340
英文摘要Mathematically describing the physical process of a sequential data assimilation system perfectly is difficult and inevitably results in errors in the assimilation model. Filter divergence is a common phenomenon because of model inaccuracies and affects the quality of the assimilation results in sequential data assimilation systems. In this study, an approach based on anL(1)-norm constraint for filter-divergence suppression in sequential data assimilation systems was proposed. The method adjusts the weights of the state-simulated values and measurements based on new measurements using anL(1)-norm constraint when filter divergence is about to occur. Results for simulation data and real-world traffic flow measurements collected from a sub-area of the highway between Leeds and Sheffield, England, showed that the proposed method produced a higher assimilation accuracy than the other filter-divergence suppression methods. This indicates the effectiveness of the proposed approach based on theL(1)-norm constraint for filter-divergence suppression.
WOS关键词KALMAN-FILTER ; PREDICTION ; VOLUME ; MODEL ; INVERSION ; STATE
WOS研究方向Physical Geography ; Remote Sensing
语种英语
WOS记录号WOS:000551839000001
出版者MDPI
源URL[http://ir.iggcas.ac.cn/handle/132A11/97578]  
专题地质与地球物理研究所_中国科学院矿产资源研究重点实验室
通讯作者Shi, Wenzhong
作者单位1.Hong Kong Polytech Univ, Dept Land Surveying & Geoinformat, Hung Hom, Kowloon, Hong Kong 999077, Peoples R China
2.Tongji Univ, Coll Surveying & Geoinformat, 1239 Siping Rd, Shanghai 200092, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Mineral Resources, Beijing 100029, Peoples R China
推荐引用方式
GB/T 7714		 Tong, Xiaohua,Wang, Runjie,Shi, Wenzhong,et al. An Approach for Filter Divergence Suppression in a Sequential Data Assimilation System and Its Application in Short-Term Traffic Flow Forecasting[J]. ISPRS INTERNATIONAL JOURNAL OF GEO-INFORMATION,2020,9(6):16.
APA Tong, Xiaohua,Wang, Runjie,Shi, Wenzhong,&Li, Zhiyuan.(2020).An Approach for Filter Divergence Suppression in a Sequential Data Assimilation System and Its Application in Short-Term Traffic Flow Forecasting.ISPRS INTERNATIONAL JOURNAL OF GEO-INFORMATION,9(6),16.
MLA Tong, Xiaohua,et al."An Approach for Filter Divergence Suppression in a Sequential Data Assimilation System and Its Application in Short-Term Traffic Flow Forecasting".ISPRS INTERNATIONAL JOURNAL OF GEO-INFORMATION 9.6(2020):16.

入库方式： OAI收割

来源：地质与地球物理研究所

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