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首页> 外文会议>Proceedings of the international topical meeting on advanced reactors safety >A Usnrc Perspective on the Use of Commercial-Off-the-Shelf Software (COTS) in Advanced Reactor
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A Usnrc Perspective on the Use of Commercial-Off-the-Shelf Software (COTS) in Advanced Reactor

机译：Usnrc的观点，关于在高级反应堆中使用商用软件（COTS）

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The use of commercially available digital computer systems and components in safety critical systems (nuclear power plant, military, and commercial applications) is increasing rapidly. While this paper focuses on the software aspects of the application most of these comments are applicable to the hardware aspects as well. Commercial dedication (the process of assuring that a commercial grade item will perform its intended safety function) has demonstrated benefits in cost savings and a wide base of user experience, however, care must be taken to avoid difficulties with some aspects of the dedication process such as access to vendor development information, configuration management, long term support, and system integration.rnThe NRC definitions for the terms used in the procurement of commercial grade items by nuclear power plant licenses are contained in the Code of Federal Regulations (10 CFR Part 21), which was revised last year. Commercial grade items intended for nuclear safety-related use must be dedicated in a manner to ensure that they will perform their safety function. The dedication process must meet the applicable provisions of Appendix B to 10 CFR Part 50. Although it is intended primarily to provide requirements for reporting defects, 10 CFR Part 21 contains definitions and guidance applicable to the dedication process. The revised definitions permit additional flexibility in dedicating commercial grade items while maintaining an adequate level of plant safety. This discussion will present an overview of the changes to the rule, a discussion of the practical aspects as applied to the procurementrnof digital computer systems, some recent publications, and a discussion of some of the technical aspects which should be addressed in the commercial dedication process.
机译：在安全关键系统（核电厂，军事和商业应用）中，可商用的数字计算机系统和组件的使用正在迅速增加。尽管本文着重于应用程序的软件方面，但其中大多数注释也适用于硬件方面。商业奉献精神（确保商业级产品将履行其预期的安全功能的过程）在节省成本和广泛的用户体验方面已显示出优势，但是，必须注意避免奉献过程中某些方面的困难，例如作为对供应商开发信息，配置管理，长期支持和系统集成的访问。rn核电厂许可证在商业级项目的采购中使用的术语的NRC定义包含在联邦法规（10 CFR Part 21）中），并于去年进行了修订。用于核安全相关用途的商业级产品必须经过专门设计，以确保它们将执行其安全功能。专用过程必须符合10 CFR第50部分附录B的适用规定。尽管主要目的是提供报告缺陷的要求，但10 CFR第21部分包含适用于专用过程的定义和指南。修订后的定义允许在保留商业级产品的同时保持足够水平的工厂安全性的额外灵活性。该讨论将概述规则的变化，讨论适用于采购数字计算机系统的实际方面，一些最新出版物，以及有关在商业奉献过程中应解决的一些技术方面的讨论。 。

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