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A Portable Multi-functional Real-time Digital Simulator Dedicated to Protective Relay Testing
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作者 Liang Zhicheng Ma Xiandong +1 位作者 Wang Haixian Wang Like (Nanjing Automation Research Institute (NARI)) 《Electricity》 1998年第4期27-29,共3页
The paper intfoduces a PC-DSP based real-time digital simulator which is portable in size and aimed at the closed-loop testing of various types of protective relays for their design and application. The simulator can ... The paper intfoduces a PC-DSP based real-time digital simulator which is portable in size and aimed at the closed-loop testing of various types of protective relays for their design and application. The simulator can be widely used in not only concerning utilities but also manufacturers and research / certification institutes because of its many functions. The hardware architecture and software implementation of the simulator are described. The main features and functions of the simulator are also 展开更多
关键词 TIME A Portable Multi-functional Real-time Digital Simulator Dedicated to protective Relay testing MMI
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Information Security Testing Model Based on Variable Weights Fuzzy Comprehensive Evaluation
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作者 徐洋 谢晓尧 张焕国 《China Communications》 SCIE CSCD 2011年第4期76-83,共8页
Nowadays,clear evaluation models and methods are lacking in classified protection of information system,which our country is making efforts to promote.The quantitative evaluation of classified protection of informatio... Nowadays,clear evaluation models and methods are lacking in classified protection of information system,which our country is making efforts to promote.The quantitative evaluation of classified protection of information system security is studied.An indicators system of testing and evaluation is established.Furthermore,a model of unit testing and evaluation and a model of entirety testing and evaluation are presented respectively.With analytic hierarchy process and two-grade fuzzy comprehensive evaluation,the subjective and uncertain data of evaluation will be quantitatively analyzed by comprehensive evaluation.Particularly,the variable weight method is used to model entirety testing and evaluation.It can solve the problem that the weights need to be adjusted because of the relationship role which enhances or reduces security of information system.Finally,the paper demonstrates that the model testing and evaluation can be validly used to evaluate the information system by an example.The model proposed in this paper provides a new valuable way for classified protection of information system security. 展开更多
关键词 testing and evaluation for classified protection analytic hierarchy process variable weights fuzzy comprehensive evaluation
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