共查询到19条相似文献,搜索用时 62 毫秒
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焦丽玲 《核标准计量与质量》2014,(4)
正受国家能源局的委托,核工业标准化研究所(暨能源行业核电标准化技术委员会秘书处)于2013年11月19日~11月21日在北京组织召开了标准审查会。会议对《核电厂系统与软件配置管理计划》、《核电厂安全重要电阻温度计响应时间原位测量》、《核电厂仪表和控制设备可靠性及老化检测第4部分:电路板》三项能源行业核电标准送审稿进行了审查。来自环保部核与辐射安全中心、中国核 相似文献
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讨论了在数据中心自动处理流程中,及时申请国际监测系统的地震数据,并接入到国家数据中心数据处理系统进行实时处理,以提高事件定位精度的问题。论文设计的WaveExpert程序以特定区域的事件为触发条件,以此为依据生成辅助台站数据申请列表,向国际数据中心申请相应地震台站特定时间段的数据,整个程序由Tuxedo控制运行。 相似文献
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欧洲核与辐射应急管理及恢复策略研究项目概况 总被引:1,自引:0,他引:1
简要介绍欧洲核与辐射应急管理及恢复策略研究项目(EURANOS)的目标以及研究开发、演示和培训工作计划.EURANOS项目是欧洲RODOS项目以来的又一重要项目计划,目标是取得进一步的成果和使这些成果能够在欧洲范围内获得广泛的应用. 相似文献
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【本刊2013年6月综合报道】在停产了25年之后,美国于2013年3月开始恢复生产钚-238。美国国家航空航天局(NASA)行星科学处主任吉姆格林在3月的一次火星探测计划会议上表示,恢复生产钚-238已有了一个良好的开端,能源部(DOE)橡树岭国家实验室(ORNL)已成功生产出钚-238。格林表示:"我们期待(能源部)于2013年晚些时候提交有关将钚-238的产能提高至每年1.5 相似文献
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对大型集装箱检查系统中产生了大量辐射成像数据,如何对数据进行有效的管理,对整个系统的稳定、可靠运行起着重要的作用。介绍了一种实时可控的磁带备份、恢复与磁盘数据维护技术方案在该系统中的应用。 相似文献
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安全软件验证与确认中的单元模块测试技术 总被引:1,自引:0,他引:1
核动力厂保护系统实现数字化必须解决的一项关键技术是如何完成安全软件的验证与确认(V&V),以证明和确认执行安全功能的软件自身的安全性和可靠性。软件单元测试是V&V过程中的重要环节,主要目的是验证和确认软件代码开发过程中,软件的设计转变为软件代码是适当、正确和完整的。本工作初步研究了安全软件的单元模块测试技术,着重讨论如何保证测试的完整性、建立测试环境、建立测试用例及实施单元模块测试等方面,并以某数字化保护系统安全软件单元模块测试实例说明单元模块测试的具体过程。 相似文献
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定时与同步系统是托卡马克装置实现等离子体放电流程实时控制的基础。基于SOPC技术研制的EAST分布式定时与同步系统可为各子系统提供精确时钟和同步触发信号,使装置各子系统按照预先设定好的流程运行,实现EAST等离子体放电实验时序的精确控制。EAST定时与同步系统的时序精度高于1μs,可以满足当前EAST实验的需要。 相似文献
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概述了ICRP和IAEA关于辐射防护与安全中潜在照射及其防护的一些重要理念,潜在照射的评价方法,以及三种典型计划照射情况下潜在照射的接受准则和风险控制目标。其中,特别是对核电厂设计中潜在照射的风险控制,除了考虑个人的健康危险外,还应对其所致的社会风险予以考虑。 相似文献
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The main difference between nuclear and generic software is that the risk factor is infinitely greater in nuclear software – if there is a malfunction in the safety system, it can result in significant economic loss, physical damage or threat to human life. However, secure software development environment have often been ignored in the nuclear industry. In response to the terrorist attacks on September 11, 2001, the US Nuclear Regulatory Commission (USNRC) revised the Regulatory Guide (RG 1.152-2006) “Criteria for use of computers in safety systems of nuclear power plants” to provide specific security guidance throughout the software development life cycle. Software Configuration Management (SCM) is an essential discipline in the software development environment. SCM involves identifying configuration items, controlling changes to those items, and maintaining integrity and traceability of them. For securing the nuclear safety software, this paper proposes a Secure SCM Processes (S2CMP) which infuses regulatory security requirements into proposed SCM processes. Furthermore, a Process Flow Diagram (PFD) is adopted to describe S2CMP, which is intended to enhance the communication between regulators and developers. 相似文献
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Ali Muhammad Salvador Esque Liisa Aha Jouni Mattila Mikko Siuko Matti Vilenius Jorma Jrvenp Mike Irving Carlo Damiani Luigi Semeraro 《Fusion Engineering and Design》2009,84(7-11):1367-1371
The advantages of Product Lifecycle Management (PLM) systems are widely understood among the industry and hence a PLM system is already in use by International Thermonuclear Experimental Reactor (ITER) Organization (IO). However, with the increasing involvement of software in the development, the role of Software Configuration Management (SCM) systems have become equally important. The SCM systems can be useful to meet the higher demands on Safety Engineering (SE), Quality Assurance (QA), Validation and Verification (V&V) and Requirements Management (RM) of the developed software tools. In an experimental environment, such as ITER, the new remote handling requirements emerge frequently. This means the development of new tools or the modification of existing tools and the development of new remote handling procedures or the modification of existing remote handling procedures. PLM and SCM systems together can be of great advantage in the development and maintenance of such remote handling system. In this paper, we discuss how PLM and SCM systems can be integrated together and play their role during the development and maintenance of ITER remote handling system. We discuss the possibility to investigate such setup at DTP2 (Divertor Test Platform 2), which is the full scale mock-up facility to verify the ITER divertor remote handling and maintenance concepts. 相似文献
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主要介绍了一种基于C/S架构的核电站辐射监测系统管理软件- KRTStudio.该系统管理软件用于核电站辐射监测系统的数据采集和信息管理,主要功能包括:核电站正常运行和事故情况下辐射场数据采集,数据存储、显示,打印,报警,用户管理以及对数据采集装置的管理,并具有与核电站DCS系统进行通讯的功能.该管理软件在中广核广西防城港核电站的辐射监测系统中得到应用,为推进核电设备国产化做出了有益的贡献. 相似文献
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To verify the rationality of experimental configurations before each experiment discharge of Experimental Advanced Superconducting Tokamak (EAST) Neutral Beam Injection (NBI) and to query the experimental configurations under historical shot numbers, an experimental configuration query terminal is needed during NBI experiments. In this paper, the experimental configuration query software is presented which is realized with multithreading technology, TCP protocol, Mysql database and so on. Multithreading technology achieves that different service requests can be dealt by different threads for improving the processing efficiency of the program. TCP protocol ensures reliable network communication between the server and the client. The configurations set by experimental operators are saved to Mysql database of the server with different data tables. The server works under Linux operating system while the client works on Windows operating system. With the help of this application, the current and historical experimental configurations are displayed and queried, thus on the one hand, the current experimental configurations especially the settings of timing sequence and amplitude for NBI each power supply system are verified before each NBI discharge; on the other hand, the typical history configurations can be queried for experimental reproducibility. This application is very practical significance for EAST NBI experiments. 相似文献
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通过对基于用例这一需求管理方法的理论探讨,引人用例的3个层次模型:概要目标层次、用户目标层次和子功能层次的用例分层模型.结合单个用例的层层细化步骤,提出了基于用例的多层次需求管理模型,针对这一模型如何在需求管理中应用进行了探讨,并结合一个实际软件项目建设进行了实证研究.通过实践证明,这一模型能够较好地解决开发方、用户部门和信息归口管理部门之间的工作分工,也能够较好地解决需求管理中的范围控制、需求变更管理. 相似文献