\u5728\u5de5\u4e1a\u5b89\u5168\u3001\u529f\u80fd\u5b89\u5168\u4ee5\u53ca\u4f17\u591a\u9700\u8981\u9ad8\u5ea6\u53ef\u9760\u6027\u7684\u9886\u57df\u4e2d\uff0cSIL\u7b49\u7ea7\u8ba4\u8bc1\u662f\u4e00\u4e2a\u81f3\u5173\u91cd\u8981\u7684\u6982\u5ff5\u3002<\/p>\n<\/p>\n
\u5b83\u4e0d\u4ec5\u662f\u8861\u91cf\u5b89\u5168\u4eea\u8868\u7cfb\u7edf\u6027\u80fd\u7684\u9ec4\u91d1\u6807\u51c6\uff0c\u66f4\u662f\u4fdd\u969c\u4eba\u5458\u5b89\u5168\u3001\u4fdd\u62a4\u73af\u5883\u8d44\u4ea7\u3001\u786e\u4fdd\u751f\u4ea7\u8bbe\u65bd\u957f\u671f\u7a33\u5b9a\u8fd0\u884c\u7684\u6838\u5fc3\u4f9d\u636e\u3002<\/p>\n<\/p>\n
\u5bf9\u4e8e\u8bbe\u5907\u5236\u9020\u5546\u3001\u7cfb\u7edf\u96c6\u6210\u5546\u548c\u6700\u7ec8\u7528\u6237\u800c\u8a00\uff0c\u6df1\u5165\u7406\u89e3SIL\u7b49\u7ea7\u8ba4\u8bc1\u7684\u5185\u6db5\u3001\u6d41\u7a0b\u53ca\u5176\u91cd\u8981\u6027\uff0c\u5df2\u6210\u4e3a\u5728\u6fc0\u70c8\u5e02\u573a\u7ade\u4e89\u4e2d\u8131\u9896\u800c\u51fa\u7684\u5173\u952e\u3002<\/p>\n<\/p>\n
\u4e00\u3001SIL\u7b49\u7ea7\u8ba4\u8bc1\u7684\u6838\u5fc3\u6982\u5ff5\uff1a\u5b83\u7a76\u7adf\u662f\u4ec0\u4e48\uff1f<\/strong><\/p>\n SIL\uff0c\u5373\u5b89\u5168\u5b8c\u6574\u6027\u7b49\u7ea7\uff08Safety Integrity Level\uff09\uff0c\u6e90\u81ea\u56fd\u9645\u6807\u51c6IEC 61508\u548cIEC 61511\u3002<\/p>\n<\/p>\n \u5b83\u662f\u5bf9\u5b89\u5168\u4eea\u8868\u529f\u80fd\uff08SIF\uff09\u6240\u5206\u914d\u7684\u98ce\u9669\u964d\u4f4e\u80fd\u529b\u7684\u91cf\u5316\u6d4b\u91cf\uff0c\u5176\u7b49\u7ea7\u9ad8\u4f4e\u76f4\u63a5\u51b3\u5b9a\u4e86\u7cfb\u7edf\u5728\u5371\u9669\u53d1\u751f\u65f6\u6267\u884c\u5176\u5b89\u5168\u529f\u80fd\u7684\u6982\u7387\u3002<\/p>\n<\/p>\n SIL\u7b49\u7ea7\u5206\u4e3a\u56db\u4e2a\u7ea7\u522b\uff0c\u4eceSIL 1\u5230SIL 4\uff0c\u5176\u4e2dSIL 1\u4ee3\u8868\u6700\u4f4e\u7684\u98ce\u9669\u964d\u4f4e\u8981\u6c42\uff0c\u800cSIL 4\u5219\u4ee3\u8868\u6700\u9ad8\u7b49\u7ea7\uff0c\u901a\u5e38\u5e94\u7528\u4e8e\u6838\u5de5\u4e1a\u7b49\u6781\u7aef\u9ad8\u98ce\u9669\u9886\u57df\u3002<\/p>\n<\/p>\n \u6bcf\u4e00\u4e2a\u7b49\u7ea7\u90fd\u5bf9\u5e94\u7740\u4e00\u4e2a\u7279\u5b9a\u7684\u98ce\u9669\u964d\u4f4e\u56e0\u5b50\uff08RRF\uff09\u548c\u8981\u6c42\u7684\u5e73\u5747\u5931\u6548\u6982\u7387\uff08PFDavg\uff09\uff0c\u8fd9\u4e9b\u6570\u503c\u4e3a\u8bbe\u8ba1\u548c\u8bc4\u4f30\u5b89\u5168\u7cfb\u7edf\u63d0\u4f9b\u4e86\u660e\u786e\u7684\u6570\u5b66\u76ee\u6807\u3002<\/p>\n<\/p>\n \u4e8c\u3001\u4e3a\u4f55SIL\u8ba4\u8bc1\u5982\u6b64\u91cd\u8981\uff1f\u5176\u4ef7\u503c\u4f53\u73b0\u5728\u4f55\u5904\uff1f<\/strong><\/p>\n \u5728\u5168\u7403\u8303\u56f4\u5185\uff0c\u5b89\u5168\u751f\u4ea7\u7684\u6cd5\u89c4\u8981\u6c42\u65e5\u76ca\u4e25\u683c\uff0cSIL\u8ba4\u8bc1\u5df2\u6210\u4e3a\u8bb8\u591a\u884c\u4e1a\u51c6\u5165\u7684\u5f3a\u5236\u6027\u6216\u4e8b\u5b9e\u6027\u8981\u6c42\u3002<\/p>\n<\/p>\n \u9996\u5148\uff0c\u5b83\u901a\u8fc7\u7cfb\u7edf\u5316\u7684\u65b9\u6cd5\u8bc6\u522b\u548c\u8bc4\u4f30\u98ce\u9669\uff0c\u5e76\u636e\u6b64\u8bbe\u8ba1\u51fa\u8db3\u591f\u53ef\u9760\u7684\u5b89\u5168\u9632\u62a4\u5c42\uff0c\u4ece\u800c\u663e\u8457\u964d\u4f4e\u4e8b\u6545\u53d1\u751f\u7684\u6982\u7387\uff0c\u6700\u5927\u9650\u5ea6\u5730\u4fdd\u969c\u4eba\u5458\u7684\u751f\u547d\u5b89\u5168\u548c\u5065\u5eb7\u3002<\/p>\n<\/p>\n \u5176\u6b21\uff0c\u5bf9\u4e8e\u4f01\u4e1a\u800c\u8a00\uff0c\u6210\u529f\u83b7\u5f97SIL\u8ba4\u8bc1\u610f\u5473\u7740\u5176\u4ea7\u54c1\u6216\u7cfb\u7edf\u8fbe\u5230\u4e86\u56fd\u9645\u516c\u8ba4\u7684\u5b89\u5168\u6807\u51c6\u3002<\/p>\n<\/p>\n \u8fd9\u4e0d\u4ec5\u662f\u6280\u672f\u5b9e\u529b\u7684\u4f53\u73b0\uff0c\u66f4\u80fd\u589e\u5f3a\u5ba2\u6237\u4fe1\u5fc3\uff0c\u63d0\u5347\u54c1\u724c\u58f0\u8a89\uff0c\u6210\u4e3a\u5f00\u62d3\u56fd\u9645\u5e02\u573a\u3001\u53c2\u4e0e\u91cd\u5927\u9879\u76ee\u7684\u201c\u901a\u884c\u8bc1\u201d\u3002<\/p>\n<\/p>\n \u4ece\u7ecf\u6d4e\u6548\u76ca\u770b\uff0c\u867d\u7136\u524d\u671f\u7684\u8ba4\u8bc1\u6295\u5165\u53ef\u80fd\u8f83\u9ad8\uff0c\u4f46\u4e00\u4e2a\u8bbe\u8ba1\u826f\u597d\u4e14\u901a\u8fc7\u8ba4\u8bc1\u7684\u5b89\u5168\u7cfb\u7edf\u80fd\u6709\u6548\u907f\u514d\u56e0\u707e\u96be\u6027\u4e8b\u6545\u5bfc\u81f4\u7684\u5de8\u989d\u505c\u4ea7\u635f\u5931\u3001\u73af\u5883\u6e05\u7406\u8d39\u7528\u548c\u6cd5\u5f8b\u8bc9\u8bbc\u6210\u672c\uff0c\u5176\u957f\u671f\u6295\u8d44\u56de\u62a5\u7387\u975e\u5e38\u9ad8\u3002<\/p>\n<\/p>\n \u4e09\u3001SIL\u8ba4\u8bc1\u7684\u5b8c\u6574\u6d41\u7a0b\uff1a\u4ece\u6982\u5ff5\u5230\u8ba4\u8bc1\u7684\u5168\u666f\u56fe<\/strong><\/p>\n achieving SIL\u8ba4\u8bc1\u5e76\u975e\u4e00\u8e74\u800c\u5c31\uff0c\u5b83\u662f\u4e00\u4e2a\u8d2f\u7a7f\u5b89\u5168\u751f\u547d\u5468\u671f\uff08Safety Lifecycle\uff09\u7684\u7cfb\u7edf\u5de5\u7a0b\u3002<\/p>\n<\/p>\n \u6574\u4e2a\u8fc7\u7a0b\u59cb\u4e8e\u5371\u5bb3\u548c\u98ce\u9669\u5206\u6790\uff08HAZOP\/LOPA\uff09\uff0c\u901a\u8fc7\u5206\u6790\u786e\u5b9a\u9700\u8981\u54ea\u4e9b\u5b89\u5168\u4eea\u8868\u529f\u80fd\uff08SIF\uff09\u4ee5\u53ca\u5b83\u4eec\u5404\u81ea\u9700\u8981\u8fbe\u5230\u7684SIL\u7b49\u7ea7\u76ee\u6807\u3002<\/p>\n<\/p>\n \u968f\u540e\u8fdb\u5165\u8bbe\u8ba1\u9636\u6bb5\uff0c\u6839\u636e\u76ee\u6807SIL\u7b49\u7ea7\u9009\u62e9\u5408\u9002\u7684\u4f20\u611f\u5668\u3001\u903b\u8f91\u63a7\u5236\u5668\u548c\u6267\u884c\u5668\uff08\u5373\u6700\u7ec8\u5143\u4ef6\uff09\uff0c\u5e76\u786e\u4fdd\u6574\u4e2aSIF\u56de\u8def\u7684\u67b6\u6784\u6ee1\u8db3\u786c\u4ef6\u6545\u969c\u88d5\u5ea6\uff08HFT\uff09\u548c\u786c\u4ef6\u5b89\u5168\u5b8c\u6574\u6027\uff08 architectural constraints\uff09\u7684\u8981\u6c42\u3002<\/p>\n p> <\/p>\n \u63a5\u4e0b\u6765\u662f\u5173\u952e\u7684\u8ba1\u7b97\u9a8c\u8bc1\u73af\u8282\uff0c\u9700\u8981\u901a\u8fc7\u53ef\u9760\u6027\u6570\u636e\u6765\u8ba1\u7b97\u6574\u4e2aSIF\u56de\u8def\u7684\u5e73\u5747\u5931\u6548\u6982\u7387\uff08PFDavg\uff09\u662f\u5426\u8fbe\u5230\u4e86\u76ee\u6807SIL\u7b49\u7ea7\u7684\u8981\u6c42\u3002<\/p>\n<\/p>\n \u540c\u65f6\uff0c\u8fd8\u5fc5\u987b\u8bc4\u4f30\u7cfb\u7edf\u6027\u80fd\u529b\uff0c\u786e\u4fdd\u5728\u8f6f\u4ef6\u5f00\u53d1\u3001\u7ba1\u7406\u6d41\u7a0b\u3001\u6d4b\u8bd5\u9a8c\u8bc1\u7b49\u6240\u6709\u73af\u8282\u90fd\u907f\u514d\u4e86\u7cfb\u7edf\u6027\u6545\u969c\u3002<\/p>\n<\/p>\n \u5728\u8bbe\u8ba1\u3001\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u8fd8\u5fc5\u987b\u5efa\u7acb\u5b8c\u5584\u7684\u8fd0\u8425\u548c\u7ef4\u62a4\u89c4\u7a0b\uff0c\u5305\u62ec\u5b9a\u671f\u8fdb\u884c\u529f\u80fd\u6d4b\u8bd5\uff0c\u4ee5\u4fdd\u6301\u5176\u5728\u6574\u4e2a\u751f\u547d\u5468\u671f\u5185\u59cb\u7ec8\u7ef4\u6301\u8ba4\u8bc1\u65f6\u6240\u58f0\u660e\u7684SIL\u7b49\u7ea7\u6027\u80fd\u3002<\/p>\n<\/p>\n \u6700\u7ec8\uff0c\u7531\u72ec\u7acb\u7684\u3001\u5177\u5907\u8d44\u8d28\u7684\u8ba4\u8bc1\u673a\u6784\u5bf9\u6574\u4e2a\u8fc7\u7a0b\u7684\u6240\u6709\u6587\u6863\u3001\u8ba1\u7b97\u548c\u8bc1\u636e\u8fdb\u884c\u5ba1\u6838\uff0c\u786e\u8ba4\u7b26\u5408\u6807\u51c6\u540e\uff0c\u65b9\u53ef\u9881\u53d1\u8bc1\u4e66\u3002<\/p>\n<\/p>\n \u56db\u3001\u9762\u4e34\u7684\u6311\u6218\u4e0e\u5e38\u89c1\u8bef\u533a<\/strong><\/p>\n \u4f01\u4e1a\u5728\u8ffd\u6c42SIL\u8ba4\u8bc1\u7684\u9053\u8def\u4e0a\uff0c\u5e38\u5e38\u4f1a\u9047\u5230\u8bf8\u591a\u6311\u6218\u3002<\/p>\n<\/p>\n \u4e00\u4e2a\u666e\u904d\u7684\u8bef\u533a\u662f\u8ba4\u4e3aSIL\u8ba4\u8bc1\u4ec5\u4ec5\u662f\u9488\u5bf9\u5355\u4e2a\u4ea7\u54c1\uff08\u5982\u4e00\u6b3ePLC\u6216\u4e00\u4e2a\u4f20\u611f\u5668\uff09\u7684\u8ba4\u8bc1\u3002<\/p>\n<\/p>\n \u5b9e\u9645\u4e0a\uff0cSIL\u7b49\u7ea7\u662f\u9488\u5bf9\u6574\u4e2a\u5b89\u5168\u4eea\u8868\u529f\u80fd\uff08SIF\uff09\u56de\u8def\u800c\u8a00\u7684\uff0c\u5b83\u6d89\u53ca\u5230\u4f20\u611f\u5668\u3001\u63a7\u5236\u5668\u548c\u6267\u884c\u5668\u7684\u534f\u540c\u5de5\u4f5c\uff0c\u4efb\u4f55\u4e00\u4e2a\u73af\u8282\u7684\u77ed\u677f\u90fd\u4f1a\u5236\u7ea6\u6574\u4e2a\u56de\u8def\u7684\u6027\u80fd\u3002<\/p>\n p> <\/p>\n \u53e6\u4e00\u4e2a\u6311\u6218\u6765\u81ea\u4e8e\u6570\u636e\u7684\u7f3a\u5931\u3002<\/p>\n<\/p>\n \u53ef\u9760\u6027\u8ba1\u7b97\u4e25\u91cd\u4f9d\u8d56\u4e8e\u5143\u5668\u4ef6\uff08\u5982\u4f20\u611f\u5668\u3001\u9600\u95e8\uff09\u7684\u5931\u6548\u7387\u6570\u636e\uff0c\u5982\u679c\u65e0\u6cd5\u83b7\u5f97\u7ecf\u8ba4\u53ef\u7684\u3001\u51c6\u786e\u7684FMEDA\uff08\u5931\u6548\u6a21\u5f0f\u3001\u5f71\u54cd\u53ca\u8bca\u65ad\u5206\u6790\uff09\u6570\u636e\uff0c\u6574\u4e2a\u9a8c\u8bc1\u8fc7\u7a0b\u5c06\u96be\u4ee5\u8fdb\u884c\u3002<\/p>\n<\/p>\n \u6b64\u5916\uff0c\u5982\u4f55\u8bc1\u660e\u5728\u8f6f\u4ef6\u5f00\u53d1\u548c\u9879\u76ee\u7ba1\u7406\u8fc7\u7a0b\u4e2d\u907f\u514d\u4e86\u7cfb\u7edf\u6027\u5931\u6548\uff0c\u5f80\u5f80\u9700\u8981\u4f01\u4e1a\u5efa\u7acb\u4e00\u5957\u5168\u65b0\u7684\u3001\u4e25\u683c\u7684\u5b89\u5168\u7ba1\u7406\u4f53\u7cfb\uff0c\u8fd9\u5bf9\u8bb8\u591a\u7ec4\u7ec7\u6765\u8bf4\u662f\u4e00\u4e2a\u6587\u5316\u548c\u6d41\u7a0b\u4e0a\u7684\u5de8\u5927\u8f6c\u53d8\u3002<\/p>\n<\/p>\n 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