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基于信号变化速率的时间序列异常值检测方法

Keywords: 时间序列,统计分析,异常值检测,正态分布

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Abstract:

为了消除奇异值对系统模型辨识的影响,并提高时间序列数据预处理的效果,提出一种基于统计分析的奇异值检测方法.该方法将时间序列信号变化特征与统计学理论相结合,在计算时间序列信号的变化速率的基础上,对其进行统计分析,进而得到异常值发生的位置,并利用内插法对原始的观察信号进行修复.应用结果表明:该算法简单、有效、计算量小,能满足时间序列数据预处理的需求.

References

[1]  梁辉,童朝南,王恒.基于数据驱动的热连轧厚度建模与控制方法[J].北京工业大学学报,2012,38(2):1913-1920.LIANG Hui,TONG Chao-nan,WANG Heng.Hot rolling thickness modeling and control method based on data driven[J].Journal of Beijing University of Technology,2012,38(2):1913-1920.(in Chinese)
[2]  NIU Z X,SHI S P,SUN J Y,et al.A survey of outlier detection methodologies and their applications[C]∥Proceeding of the 3rd International Conference on Artificial Intelligence and Computational Intelligence(AICI 2011).Taiyuan:[s.n.],2011:380-387.
[3]  BARNETT V,LEWIS T.Outlier in statistical data[M].Chichester:John Wiley and Sons,1994:164-169.
[4]  黄添强,秦小麟,叶飞跃.基于方形邻域的离群点查找新方法[J].控制与决策,2006,21(5):541-546.HUANG Tian-qiang,QIN Xiao-lin,YE Fei-yue.New approach based on square neighborhood to detect outliers[J].Control and Decision,2006,21(5):541-546.(in Chinese)
[5]  NISHIGUCHI J,KASEDA C,NAKAYAMA H,et al.Practical approach to outlier detection using support vector regression[J].Lecture Notes in Computer Science,2009,5506:995-1001.
[6]  刘芳,毛志忠.过程控制时间序列中异常值的动态检测[J].控制理论与应用,2012,29(4):424-432.LIU Fang,MAO Zhi-zhong.Dynamic outlier detection for process control time series[J].Control Theory&Applications,2012,29(4):424-432.(in Chinese)
[7]  苏卫星,朱云龙,胡琨元,等.基于模型的过程工业时间序列异常值检测方法[J].仪器仪表学报,2012,33(9):2080-2087.SU Wei-xing,ZHU Yun-long,HU Kun-yuan,et al.Model-based outlier detection method for time series of process industry[J].Chinese Journal of Scientific Instrument,2012,33(9):2080-2087.(in Chinese)
[8]  江峰,眭跃飞,曹存根.粗糙集中的距离度量与离群点检测[J].控制与决策,2013,28(2):188-200.JIANG Feng,SUI Yue-fei,CAO Cun-gen.Distance metrics and outlier detection in rough sets[J].Control and Decision,2013,28(2):188-200.(in Chinese)

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