On the basis of IEC-61508 directive suggestion, this thesis compares several general methods and comes into a result: assignment of SIL by system model's risk.
本文根据国际标准IEC- 61508的指导意见，通过几种常用方法的比较，确定了利用系统模型的定量风险来确定所需安全仪表系统完整性等级。
On the basis of IEC-61508 directive suggestion, this thesis compares several general methods and comes into a result: assignment of SIL by system model's risk.
本文根据国际标准IEC- 61508的指导意见，通过几种常用方法的比较，确定了利用系统模型的定量风险来确定所需安全仪表系统完整性等级。
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