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新型变电设备高压试验双防线智能安全监护系统 被引量:1
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作者 金雍奥 周志昊 +1 位作者 赵志山 范立海 《电工电气》 2015年第6期47-50,57,共5页
研制了一套用于高压试验现场的双防线智能安全监护系统,介绍了其工作原理,并给出了设计方案。该系统以红外探测、信号检测与处理等技术为基础,通过单元模块化设计,在作业现场形成警示、跳闸的双重防护区域,可针对试验现场人员误入区域... 研制了一套用于高压试验现场的双防线智能安全监护系统,介绍了其工作原理,并给出了设计方案。该系统以红外探测、信号检测与处理等技术为基础,通过单元模块化设计,在作业现场形成警示、跳闸的双重防护区域,可针对试验现场人员误入区域的情况进行判断,最终执行相应声光报警或紧急跳闸等动作来避免危险发生。现场应用证明了该系统的可靠性与实用性。 展开更多
关键词 高压试验 双防线 智能安全监护系统
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INTERIOR PENALTY BILINEAR IFE DISCONTINUOUS GALERKIN METHODS FOR ELLIPTIC EQUATIONS WITH DISCONTINUOUS COEFFICIENT 被引量:1
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作者 Xiaoming HE Tao LIN Yanping LIN 《Journal of Systems Science & Complexity》 SCIE EI CSCD 2010年第3期467-483,共17页
This paper applies bilinear immersed finite elements (IFEs) in the interior penalty discontinuous Galerkin (DG) methods for solving a second order elliptic equation with discontinuous coefficient. A discontinuous ... This paper applies bilinear immersed finite elements (IFEs) in the interior penalty discontinuous Galerkin (DG) methods for solving a second order elliptic equation with discontinuous coefficient. A discontinuous bihnear IFE space is constructed and applied to both the symmetric and nonsymmetric interior penalty DG formulations. The new methods can solve an interface problem on a Cartesian mesh independent of the interface with local refinement at any locations needed even if the interface has a nontrivial geometry. Numerical examples are provided to show features of these methods. 展开更多
关键词 Adaptive mesh discontinuous Calerkin immersed interface interface problems penalty.
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