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SYSTEM MODEL GENERATION ASSIST DEVICE, SYSTEM MODEL GENERATION ASSIST METHOD, AND PROGRAM

机译:系统模型生成辅助设备,系统模型生成辅助方法和程序

摘要

PROBLEM TO BE SOLVED: To create a system model the abnormality detection capability of which is high, even when abnormality is included in information about a monitored system that is obtained in a learning period.SOLUTION: A system model generation assist device comprises: periodic model generation means for generating the model of a system including a plurality of parameters for each period from time-series information outputted from the system over a plurality of periods; removal candidate period specification means for specifying a period, as a removal candidate period, the parameter values of which satisfy a prescribed peculiarity condition as compared with other periods; and removal period selection means for selecting, from a plurality of specified removal candidate periods, a period for which a model of the system is to be created without using information outputted for the period, and outputting information that specifies the selected period.SELECTED DRAWING: Figure 1
机译:解决的问题:即使在学习期间获得的有关被监视系统的信息中包含异常,也要创建异常检测能力高的系统模型。解决方案:系统模型生成辅助装置包括:周期性模型生成装置,用于根据在多个周期中从系统输出的时间序列信息,为每个周期生成包括多个参数的系统模型;去除候选期间指定装置,用于将参数值与其他期间相比满足规定的特殊条件的期间指定为去除候选期间。清除周期选择装置,用于从多个指定的清除候选周期中选择一个周期,在该周期内不使用该周期输出的信息来创建系统模型,并输出指定所选周期的信息。图1

著录项

  • 公开/公告号JP2016218636A

    专利类型

  • 公开/公告日2016-12-22

    原文格式PDF

  • 申请/专利权人 NEC CORP;

    申请/专利号JP20150101273

  • 发明设计人 YOSHINAGA NAOKI;

    申请日2015-05-18

  • 分类号G06F11/34;

  • 国家 JP

  • 入库时间 2022-08-21 13:58:41

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