{"id":69,"date":"2011-08-09T21:51:48","date_gmt":"2011-08-09T12:51:48","guid":{"rendered":"http:\/\/www.nil.co.jp\/Japanese\/blog\/?p=69"},"modified":"2014-08-09T10:49:43","modified_gmt":"2014-08-09T01:49:43","slug":"ouroboros","status":"publish","type":"post","link":"https:\/\/www.nil.co.jp\/Japanese\/blog\/?p=69","title":{"rendered":"Ouroboros"},"content":{"rendered":"<p style=\"text-align: justify;\">\u30ec\u30d9\u30eb\u3068\u3044\u3046\u306e\u306f\uff0c\u4f55\u304b\u7af6\u4e89\u5fc3\u3092\u523a\u6fc0\u3059\u308b\u306e\u304b\uff0c\u597d\u3080\u4eba\u304c\u591a\u3044\u3088\u3046\u306b\u601d\u3044\u307e\u3059\uff0e\u30ec\u30d9\u30eb\u3092\u9054\u6210\u3057\u307e\u3057\u305f\uff01\u3069\u3046\u3060\uff0e<\/p>\n<p style=\"text-align: justify;\">\u30ec\u30d9\u30eb\u3068\u3044\u3046\u306e\u306f\uff0c\u5206\u304b\u308a\u3084\u3059\u3044\u9053\u5177\u306a\u306e\u3067\u3059\u304c\uff0c\u7279\u5b9a\u306e\u6587\u8108\u306e\u4e2d\u3067\uff0c\u7d30\u90e8\u3092\u304d\u308a\u306f\u304c\u3057\u305f\u3082\u306e\u3067\u3059\u304b\u3089\uff0c\u305d\u308c\u3092\u76ee\u7684\u5316\u3059\u308b\u3068\u304a\u304b\u3057\u304f\u306a\u308a\u307e\u3059\uff0e\u3064\u307e\u308a\uff0c\u5341\u5206\u306b\u6ce8\u610f\u3057\u3066\uff0c\u76ee\u7684\u3068\u624b\u6bb5\u306e\u8ee2\u5012\u3092\u907f\u3051\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u306f\uff0c\u826f\u304f\u304a\u308f\u304b\u308a\u306e\u3053\u3068\u3068\u601d\u3044\u307e\u3059\uff0e<\/p>\n<p style=\"text-align: justify;\">\u3055\u3066\uff0cISO\/FDIS 26262 \u306b\u306f\uff0cASIL\u3068\u547c\u3070\u308c\u308b\u30ec\u30d9\u30eb\u304c\u3042\u308a\u307e\u3059\uff0eA\u304b\u3089D\u306e\u30ec\u30d9\u30eb\u5206\u3051\u304c\u306a\u3055\u308c\u3066\u3044\u307e\u3059\uff0eIEC 61508\u3067\u3044\u3046SIL1\u304cASIL A\u306b\uff0cSIL3\u304cASIL D\u306b\u307b\u307c\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3057\u3066\u3044\u308b\u3068\u3044\u3046\u4e91\u3044\u65b9\u3092\u3055\u308c\u307e\u3059\uff08\u4e2d\u9593\u306e\u6570\u304c\u7570\u306a\u308a\u307e\u3059\u304c\uff0c\u3053\u3053\u3067\u306f\u305f\u3044\u3057\u305f\u554f\u984c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\uff09\uff0e\u3053\u3053\u3067\u306f\uff0c\u6b21\u306e\u7406\u7531\u4ed8\u3051\u304c\u306a\u3055\u308c\u307e\u3059\uff0e\u4e57\u7528\u8eca\u306b\u304a\u3044\u3066\u306f\uff0c\u30d7\u30e9\u30f3\u30c8\u306e\u4e8b\u6545\u306e\u3088\u3046\u306b\u591a\u304f\u306e\u4eba\u304c\u50b7\u3064\u304f\u3068\u3044\u3046\u3053\u3068\u306f\u8003\u3048\u306b\u304f\u3044\uff0e\u305d\u308c\u3067SIL4\u306b\u76f8\u5f53\u3059\u308bASIL\u306f\u60f3\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u3068\uff0e<\/p>\n<p style=\"text-align: justify;\">\u3055\u3066\uff0c\u4eca\u56de\u306f\uff0cASIL\u3068\u306f\u3044\u3063\u305f\u3044\u4f55\u304b\u3068\u3044\u3046\u3053\u3068\u3092\u305d\u306e\u540d\u524d\u304b\u3089\u8003\u3048\u305f\u3044\u3068\u601d\u3044\u307e\u3059\uff0eA\u306f\uff0cAutomobile\u306e\u7565\u3067\u3059\u304b\u3089\u4e57\u7528\u8eca\u3068\u3044\u3046\u3053\u3068\u3067\u6e08\u307e\u305b\u3066\u3057\u307e\u3044\u307e\u3059\uff08\u8eca\u3068\u3057\u3066\u3082\u826f\u3044\u306e\u3067\u3059\u304c\uff0c26262\u306f3.5\u30c8\u30f3\u4ee5\u4e0b\u306e\u4e57\u7528\u8eca\u3092\u30b9\u30b3\u30fc\u30d7\u3068\u3057\u3066\u3044\u307e\u3059\u306e\u3067\uff0c\u4e57\u7528\u8eca\u3068\u3057\u3066\u5148\u305a\u306f\u554f\u984c\u306a\u3044\u3060\u308d\u3046\u3068\u601d\u3044\u307e\u3059\uff09\uff0e\u554f\u984c\u306f\uff0cSIL\uff08Safety Integrity Level\uff09\u3067\u3059\uff0e\u3053\u3061\u3089\u306f\uff0c\u3059\u3067\u306b\u5e7e\u3064\u304b\u306e\u8a33\u8a9e\u304c\u3042\u308a\u307e\u3059\uff0e\u624b\u5143\u306e\u672c\u3084\u985e\u4f3c\u306e\u65e5\u672c\u8a9e\u898f\u683c\u306a\u3069\u3092\u898b\u308b\u3068\uff0c\u5b89\u5168\u5ea6\uff0c\u5b89\u5168\u5ea6\u6c34\u6e96\uff0c\u5b89\u5168\u6574\u5408\u6027\u6c34\u6e96\u7b49\u3005\u304c\u3042\u308a\u307e\u3059\uff0e<\/p>\n<p style=\"text-align: justify;\">\u3068\u3053\u308d\u3067\uff0c\u7269\u8c61\u5316\u306e\u76f8\u3067\u306e\u4e91\u3044\u65b9\u306b\u306a\u308a\u307e\u3059\u304c\uff0cASIL D \u306f\u5b89\u5168\u5ea6\u304c\u300c\u9ad8\u3044\u300d\u3068\u66f8\u304b\u308c\u305f\u308a\u3057\u307e\u3059\uff0eASIL\u306e\u5834\u5408\u306f\uff0c\u30ea\u30b9\u30af\u767a\u73fe\u6642\u306b\u4eba\u9593\u304c\u88ab\u308b\u91cd\u50b7\u5ea6\uff08Severity\uff09\uff0c\u906d\u9047\u5ea6\uff08Exposure\uff09\uff0c\u56de\u907f\u5236\u5fa1\u306e\u56f0\u96e3\u3055\uff08Controllability\uff09\u3067\u5b9a\u307e\u308a\uff0c\u3053\u308c\u3089\u304c\u5168\u3066\u9ad8\u3044\u6642\u306b\uff0cASIL\u00a0D\u304c\u4e0e\u3048\u3089\u308c\u307e\u3059\uff0e\u3064\u307e\u308a\uff0cASIL D \u3068\u3044\u3046\u306e\u306f\u5341\u5168\u306a\u308b\u5bfe\u51e6\u304c\u5fc5\u8981\u3068\u3055\u308c\u308b\u30b7\u30ca\u30ea\u30aa\u306b\u5bfe\u5fdc\u3057\u305f\u30ec\u30d9\u30eb\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\uff0e\u3044\u307e\uff0c\u3053\u306eASIL\u3092\u5b89\u5168\u5ea6\u3068\u3059\u308b\u3068\uff0cASIL D \u306e\u3088\u3046\u306a\u53b3\u3057\u3044\u72b6\u6cc1\u306f\uff0c\u5148\u306e\u65e5\u672c\u8a9e\u8a33\u3092\u4f7f\u3046\u3068\u300c\u5b89\u5168\u5ea6\u304c\u9ad8\u3044\u300d\u3068\u3044\u3046\u5909\u63db\u306b\u306a\u308a\u307e\u3059\uff0e\u3053\u306e\u307e\u307e\u3067\u306f\uff0c\u610f\u5473\u4e0d\u660e\u306a\u306e\u306f\uff0c\u304a\u308f\u304b\u308a\u306b\u306a\u308b\u304b\u3068\u601d\u3044\u307e\u3059\uff0e\u8eab\u9577\u304c\u9ad8\u3044\u3068\u3044\u3048\u3070\uff0c\u305d\u308c\u306f\u6587\u5b57\u901a\u308a\u306a\u306e\u3067\u3059\u304c\uff0c\u5b89\u5168\u5ea6\u304c\u9ad8\u3044\u3068\u3044\u3063\u3066\u3082\uff0c\u305d\u308c\u306f\uff0c\u5927\u5909\u5b89\u5168\u3067\u3042\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u306f\u306a\u304f\u3066\uff0c\u5b89\u5168\u306b\u306a\u308b\u3088\u3046\u306b\u8a2d\u8a08\u30fb\u88fd\u9020\u3057\u306a\u3055\u3044\u3068\u3044\u3046\u3053\u3068\u3092\u4e3b\u5f35\u3057\u3066\u3044\u308b\u306e\u3067\u3059\uff0e\u5b89\u5168\u5ea6\u306f\u9006\u306e\u610f\u5473\u3092\u4e0e\u3048\u3066\u3044\u307e\u3059\uff0e<\/p>\n<p style=\"text-align: justify;\">\u305b\u3063\u304b\u304f\u3067\u3059\u304b\u3089\uff0c\u3082\u3046\u5c11\u3057\u3053\u3060\u308f\u3063\u3066\u307f\u307e\u3059\uff0e\u3082\u3068\u3082\u3068\u306e\u82f1\u8a9e\u306f\uff0cSafety Integrity Level \u3067\u3059\u304b\u3089\uff0c\u300c\u5b89\u5168\u5ea6\u300d\u3068\u8a33\u3057\u305f\u306e\u3067\u306f\uff0c\u201dIntegrity&#8221; \u304c\u6b8b\u5ff5\u306a\u3053\u3068\u306b\u30e0\u30b7\u3055\u308c\u3066\u3057\u307e\u3063\u3066\u3044\u307e\u3059\uff0e\u300c\u5b89\u5168\u5ea6\u6c34\u6e96\u300d\u306f\u6570\u306f\u5897\u3048\u3066\u3044\u308b\u306e\u3067\u3059\u304c\uff0c\u3069\u3046\u3082Level\u3092\u4e01\u5be7\u306b\u4e8c\u5ea6\u8a33\u3057\u3066\u3044\u308b\u3060\u3051\u3067\uff0c&#8221;Integrity&#8221; \u306f\u3084\u306f\u308a\u30e0\u30b7\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u306b\u601d\u3044\u307e\u3059\uff0e\u300c\u5b89\u5168\u6574\u5408\u6027\u6c34\u6e96\u300d\u306f\uff0c\u3053\u306e\u4f8b\u306e\u306a\u304b\u3067\uff0c\u552f\u4e00 Integrity \u306b\u53d6\u308a\u7d44\u3093\u3060\u8a33\u8a9e\u306b\u306a\u3063\u3066\u3044\u307e\u3059\uff0e\u3057\u304b\u3057\uff0c\u3069\u3046\u3082\u6574\u5408\u6027\u3068\u3044\u3046\u306e\u306f\uff0c\u3053\u3053\u3067\u306f\u30d4\u30f3\u3068\u304d\u307e\u305b\u3093\uff08\u305d\u306e\u8a33\u8a9e\u304c\u9069\u5207\u306a\u5834\u5408\u3082\u3042\u308b\u3068\u601d\u3044\u307e\u3059\u304c\uff09\uff0e<\/p>\n<p style=\"text-align: justify;\">OED\u306b\u304a\u3044\u3066\uff0cIntegrity \u306f\uff0c\u6b21\u306e\u3088\u3046\u306a\u660e\u5feb\u306a\u610f\u5473\u3092\u4e0e\u3048\u3089\u308c\u3066\u3044\u307e\u3059\uff0e<\/p>\n<blockquote><p>The condition of having no part or element taken away or wanting; undivided or unbroken state; material wholeness, completeness, entirety.<\/p><\/blockquote>\n<p style=\"text-align: justify;\">\u5373\u3061\uff0c\u7aef\u7684\u306b\u306f\uff0c\u6b20\u843d\u304c\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3059\uff0e\u3068\u3044\u3046\u3053\u3068\u3067ASIL\u306b\u5bfe\u3059\u308b\u79c1\u306e\uff08\u9577\u3044\uff09\u8a33\u8a9e\u6848\u306f\u6b21\u306b\u306a\u308a\u307e\u3059\uff0e<\/p>\n<p style=\"text-align: center;\"><strong>\u4e57\u7528\u8eca\u306e\u5b89\u5168\u306b\u95a2\u3059\u308b\u5b8c\u5168\u5ea6<\/strong><\/p>\n<p style=\"text-align: justify;\">\u79c1\u306e\u65e5\u672c\u8a9e\u306e\u8a9e\u5f59\u304c\u5c11\u306a\u3044\u305b\u3044\u3067\u9577\u3044\u306e\u3067\u3059\u304c\uff0c\u5c11\u306a\u304f\u3068\u3082\u5b89\u5168\u5ea6\u3068\u3059\u308b\u3088\u308a\u6b63\u78ba\u3060\u308d\u3046\u3068\u601d\u3044\u307e\u3059\uff0e\u3061\u306a\u307f\u306b\uff0c\u30d5\u30e9\u30f3\u30b9\u8a9e\u3060\u3068\u4ee5\u4e0b\u306b\u306a\u308a\u307e\u3059\uff08Part-9\u306e\u898f\u683c\u306e\u30bf\u30a4\u30c8\u30eb\u30da\u30fc\u30b8\u304b\u3089\uff09\uff0e&#8221;<em>les niveaux d&#8217;int\u00e9grit\u00e9 de s\u00e9curit\u00e9 automobile<\/em>&#8220;\uff0e\u500b\u4eba\u7684\u306b\u306f\uff0c\u5148\u306e\u65e5\u672c\u8a9e\u3068\u306e\u76f8\u6027\u306f\u826f\u3044\u3088\u3046\u306b\u601d\u3044\u307e\u3059\uff0e<\/p>\n<p style=\"text-align: center;\">***<\/p>\n<p style=\"text-align: justify;\">\u3055\u3066\uff0c\u7d50\u5c40\u306e\u6240\uff0c\u30ec\u30d9\u30eb\u3068\u3044\u3046\u306e\u306f\u9053\u5177\u306b\u904e\u304e\u306a\u3044\u3068\u3044\u3046\u306e\u306f\u826f\u3044\u3068\u601d\u3044\u307e\u3059\uff0eASIL\u3092\u5b9a\u3081\u308b\u3068\u3044\u3046\u306e\u3082\uff0c\u5206\u6790\u6bb5\u968e\uff0826262\u3067\uff0c3-7\uff09\u3067\u3059\u304b\u3089\uff0c\u305d\u308c\u306f\u958b\u59cb\u70b9\u306b\u904e\u304e\u307e\u305b\u3093\uff0e\u30b7\u30b9\u30c6\u30e0\uff08\u30a2\u30a4\u30c6\u30e0\uff09\u304c\u7f6e\u304b\u308c\u3066\u3044\u308b\u4f4d\u7f6e\u306b\u5bfe\u3057\u3066\u5358\u306b\u8272\u5206\u3051\u3092\u3057\u3066\u307f\u307e\u3059\u4f4d\u306e\u610f\u5473\u3057\u304b\u306a\u3044\u3060\u308d\u3046\u3068\u601d\u3044\u307e\u3059\uff0e\u4e00\u65b9\u3067\uff0c61508\u306f\u5c11\u3057\u9055\u3063\u3066\u3044\u3066\uff0cSIL\u306e\u30ec\u30d9\u30eb\u306b\u5f93\u3063\u305f\u6545\u969c\u7387\u304c\u5b9a\u307e\u3063\u3066\u3044\u307e\u3059\uff0e\u672c\u6765\u8a2d\u8a08\u306b\u3088\u3063\u3066\u5b9a\u307e\u308b\u6545\u969c\u7387\u304c\u958b\u59cb\u70b9\u3067\u6c7a\u3081\u3089\u308c\u3066\u3044\u308b\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\uff0e\u3053\u308c\u306fALARP\u539f\u5247\u3092\u524d\u63d0\u3068\u3057\u3066\u3044\u308b\u304b\u3089\u3067\uff0c\u305d\u3046\u3067\u306f\u306a\u304426262\u304c\u7570\u306a\u3063\u305f\u5bfe\u5fdc\u3068\u306a\u3063\u3066\u3044\u308b\u306e\u306f\uff08\u6574\u5408\u6027\u306f\u826f\u3044\u306e\u304b\uff0c\u6216\u3044\u306fALARP\u539f\u5247\u306b\u3064\u3044\u3066\u306f\u540c\u69d8\u306b\u4e3b\u5f35\u3057\u3066\u3044\u308b\u306e\u3067\u306f\u306a\u3044\u304b\uff0c\u3068\u3044\u3046\u3053\u3068\u3092\u3068\u308a\u3042\u3048\u305a\u7b49\u9591\u306b\u4f0f\u3059\u3068\uff09\uff0c\u5c11\u306a\u304f\u3068\u3082\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u8996\u70b9\u304b\u3089\u306f\u9069\u5207\u306b\u601d\u3044\u307e\u3059\uff0e<\/p>\n<p><a href=\"http:\/\/www.nil.co.jp\/Japanese\/blog\/wp-content\/uploads\/2011\/08\/Ouroboros.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-70\" title=\"Ouroboros\" src=\"http:\/\/www.nil.co.jp\/Japanese\/blog\/wp-content\/uploads\/2011\/08\/Ouroboros.png\" alt=\"\" width=\"263\" height=\"267\" \/><\/a><\/p>\n<p style=\"text-align: justify;\">SIL\u306e\u8a2d\u5b9a\u306f\uff0c\u5fc5\u305a\u3057\u3082\u5b89\u5168\u78ba\u4fdd\u306b\u304a\u3044\u3066\u5fc5\u7136\u3068\u3044\u3046\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\uff0e\u9053\u5177\u306b\u3059\u304e\u306a\u3044\u306e\u3067\u3059\u304b\u3089\uff0e\u82f1\u8ecd\u306e\u898f\u683c\u3067\u3042\u308b 00-56 \uff08Safety Management Requirements for Defence Systems\uff09\u306e\u73fe\u5728\u306e\u7248\uff08Issue 4\uff09\u3067\u306f\uff0c\u304b\u3064\u3066\u5b58\u5728\u3057\u305fSIL\u306f\uff0c\u3044\u307e\u306f\u542b\u307e\u308c\u3066\u3044\u307e\u305b\u3093\uff0e<\/p>\n<p style=\"text-align: right;\"><em>\uff08nil\uff09<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30ec\u30d9\u30eb\u3068\u3044\u3046\u306e\u306f\uff0c\u4f55\u304b\u7af6\u4e89\u5fc3\u3092\u523a\u6fc0\u3059\u308b\u306e\u304b\uff0c\u597d\u3080\u4eba\u304c\u591a\u3044\u3088\u3046\u306b\u601d\u3044\u307e\u3059\uff0e\u30ec\u30d9\u30eb\u3092\u9054\u6210\u3057\u307e\u3057\u305f\uff01\u3069\u3046\u3060\uff0e \u30ec\u30d9\u30eb\u3068\u3044\u3046\u306e\u306f\uff0c\u5206\u304b\u308a\u3084\u3059\u3044\u9053\u5177\u306a\u306e\u3067\u3059\u304c\uff0c\u7279\u5b9a\u306e\u6587\u8108\u306e\u4e2d\u3067\uff0c\u7d30\u90e8\u3092\u304d\u308a\u306f\u304c\u3057\u305f\u3082\u306e\u3067\u3059\u304b\u3089\uff0c\u305d\u308c\u3092\u76ee\u7684\u5316\u3059\u308b\u3068\u304a [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,5],"tags":[],"class_list":["post-69","post","type-post","status-publish","format-standard","hentry","category-7","category-safety"],"_links":{"self":[{"href":"https:\/\/www.nil.co.jp\/Japanese\/blog\/index.php?rest_route=\/wp\/v2\/posts\/69","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nil.co.jp\/Japanese\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nil.co.jp\/Japanese\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nil.co.jp\/Japanese\/blog\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nil.co.jp\/Japanese\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=69"}],"version-history":[{"count":6,"href":"https:\/\/www.nil.co.jp\/Japanese\/blog\/index.php?rest_route=\/wp\/v2\/posts\/69\/revisions"}],"predecessor-version":[{"id":255,"href":"https:\/\/www.nil.co.jp\/Japanese\/blog\/index.php?rest_route=\/wp\/v2\/posts\/69\/revisions\/255"}],"wp:attachment":[{"href":"https:\/\/www.nil.co.jp\/Japanese\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=69"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nil.co.jp\/Japanese\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=69"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nil.co.jp\/Japanese\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=69"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}