安全装置の防護力を考慮したFAシステムのディペンダビリティ評価方法 Method for Evaluating the Dependability of Factory Automation Systems in View of the Capability of Safety Devices

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The important factors for dependability are safety and reliability. When dependability is evaluated, in view of safety along with the probability of an accident occurring, both the degree of accident damage and the capability of installed-safety devices should be included as items to be evaluated. To establish a barometer to quantitatively determine the dependability of a system, a study to standardize and rationalize the safety index is currently under way. However, to standardize the Tree Analysis for Safety (TAS) which is used to determine the safety index of a system, TAS has been unable to deal with the degree of damage occurring in accidents and has not been able to cope with a wide range of accidents in a consistent manner. For a TAS standard that can be applied to accidents, we propose that a mechanism, to select safety devices applicable in accordance with protection capabilities, be built into TAS by identifying the upper limit of the protection capability of safety devices by considering the potential amounts of hazard potential factors which greatly affect the degree of accident damage. We have applied this system to accidents during normal hours and to maintenance in Factory Automation systems, and have confirmed that this system could be used as an evaluation method.

収録刊行物

  • システム制御情報学会論文誌  

    システム制御情報学会論文誌 13(5), 213-220, 2000-05-15 

    一般社団法人 システム制御情報学会

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各種コード

  • NII論文ID(NAID)
    10004473047
  • NII書誌ID(NCID)
    AN1013280X
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    13425668
  • NDL 記事登録ID
    5334849
  • NDL 雑誌分類
    ZM11(科学技術--科学技術一般--制御工学)
  • NDL 請求記号
    Z14-195
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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