Integrated EMI/Thermal Design forSwitching Power SuppliesWei ZhangThesis submitted to the Faculty of theVirginia Polytechnic Institute and State Universityin partial fulfillment of the requirements for the degree of Integrated EMI/Thermal Design forSwitching Power SuppliesWei Zhang(ABSTRACT)This work presents the modeling and analysis of EMI and thermal performancefor switch power supply by using the CAD tools. The methodology and design guidelinesare developed.By using a boost PFC circuit as an example, an equivalent circuit model is builtfor EMI noise prediction and analysis. The parasitic elements of circuit layout andcomponents are extracted analytically or by using CAD tools. Based on the model, circuitlayout and magnetic component design are modified to minimize circuit EMI. EMI filtercan be designed at an early stage without prototype implementation.In the second part, thermal analyses are conducted for the circuit by using thesoftware Flotherm, which includes the mechanism of conduction, convection andradiation. Thermal models are built for the components. Thermal performance of thecircuit and the temperature profile of components are predicted. Improved thermalmanagement and winding arrangement are investigated to reduce temperature.In the third part, several circuit layouts and inductor design examples are checkedfrom both the EMI and thermal point of view. Insightful information is obtained.
上传时间: 2013-11-16
上传用户:萍水相逢
yright 2002 Cygnal Integrated Products, Inc. // // Filename: LIION_BC_MAIN.c // Target Device: 8051F300 // Created: 11 SEP 2002 // Created By: DKC // Tool chain: KEIL Eval C51 // // This is a stand alone battery charger for a Lithium ION battery. // It utilizes a buck converter, controlled by the on-chip 8-bit PWM, // to provide constant current followed by constant voltage battery charge.
标签: LIION_BC_MAIN Integrated Filename Products
上传时间: 2013-12-23
上传用户:牧羊人8920
Apriori算法源码(C++) 看了以前在这里发的apriori源码,觉得写得代码有些繁琐,现在重写了一下,主要是把数据操作和界面显示分离,使用了stl和boost,简化了字符操作的算法,数据库用的是mysql的,API是mysql++,在mfc下mysql++无法运行,所以gui框架用的是win32gui-lib(可以到sf.net/project/win32gui下载)。当然你也可以用odbc改写,或是换用别的数据库,因为算法逻辑是独立的,所以应该很容易改写
上传时间: 2013-12-28
上传用户:cxl274287265
This collection of C++ templates wraps the FORTRAN or C interfaces for LAPACK so that they integrate with the Boost uBLAS library. Currently implements Cholesky decomposition, LU decomposition, inversion and determinant for general and positive-definite matrices.
标签: collection interfaces integrate templates
上传时间: 2015-08-10
上传用户:chfanjiang
Recite(一个辅助英语学习软件源码) 该程序的UI部分使用了WTL7.5。WTL7.5可以很容易的在微软的官方网站找到,安装也很简单。 另外使用了BOOST库中的部分内容。包括filesystem用于操作文件名和目录,可以在( http://lunatic.bokee.com/5899788.html )找到更详细的介绍。serialization用于将对象序列化在磁盘文件中。datetime用于做日期的计算。还用到了string algo做简单的字符串操作。因此你需要从( http://www.boost.org )下载boost的最新版本1.33.1,并在本地编译它。 配置文件的读写使用了TinyXML,源码已经包含在源码包中,无须另外下载。 整个程序的祼奔性相当好,不依赖于其他任何的DLL或COM库,就一个EXE文件。 我的编程和调试环境为WindowsXP,Visual Studio .net 2003。 该软件的目的及作用请参见( http://lunatic.bokee.com/6153131.html ) 使用方法( http://lunatic.bokee.com/6153160.html ) 相关的资源( http://lunatic.bokee.com/6153181.html )
上传时间: 2015-09-19
上传用户:fxf126@126.com
在VC 6.0平台下,读取G代码文件,利用Boost中Regex正则表达式逐行提取数控G代码中的数值,分析两行G代码之间各轴速度变化。提供保存分析结果功能
标签: 6.0
上传时间: 2014-01-23
上传用户:hasan2015
C++ class libraries for network-centric, portable applications, integrated perfectly with the C++ Standard Library. Includes network protocols (Sockets, HTTP, FTP, SMTP, POP3, etc.) and an XML parser. Licensed under Boost license.
标签: network-centric applications integrated libraries
上传时间: 2016-02-05
上传用户:chenxichenyue
此书名为超越C++标准程序库,是的,它讲述的正是boost库(boost库可是未来c++的标准方向哟,掌握了boost就是掌握了未来的c++)。包含了各个库的功能的详细介绍以及列举的例子。总的包含通用库、容器及数据结构、函数对象及高级编程几个大的部分,内部又有很多小的部分。
上传时间: 2016-06-09
上传用户:皇族传媒
If you re like me, you re excited by what people do with template metaprogramming (TMP) but are frustrated at the lack of clear guidance and powerful tools. Well, this is the book we ve been waiting for. With help from the excellent Boost Metaprogramming Library, David and Aleksey take TMP from the laboratory to the workplace with readable prose and practical examples, showing that "compile-time STL" is as able as its runtime counterpart. Serving as a tutorial as well as a handbook for experts, this is the book on C++ template metaprogramming."Chuck Allison, Editor, The C++ Source
标签: metaprogramming you template excited
上传时间: 2016-07-20
上传用户:gundamwzc
通达信股票软件数据接收程序 能够将连接服务器,接收数据,解码, 所有股票实时数据 需要 loki,boost 库编译
上传时间: 2017-02-18
上传用户:小草123