用simulink实现APFC电路仿真连接图

最快的TIN三角网生成算法最快的TIN三角网生成算法最快的TIN三角网生成算法最快的TIN三角网生成算法TIN 三角网 最快 vc(6.0) TIN 三角网 最快 vc(6.0) TIN 三角网 最快 vc(6.0)

【实例简介】实现电机的正反转，PWM调速，89c51与L298的配合，按键控制，两电机单独运行

second_wavelet第二代提升法实现的小波变换程序

基于压缩感知BP，BP,OMP,StOMP二维图像比较，里面有详细的代码以及三者算法之间的图像对比。

基于android的温室大棚控制系统，温度监控，报警，摄像头采集数据

在电力电子装置中的一个重要组成部分,输入连接到控制电路的PWM信号输出端，输出连接到装置各IGBT的门极和发射极，将装置中的控制电路产生的数字PWM信号进行隔离传输和电平转换和功率放大,实现控制电路对IGBT进行开通和关断动作的控制，从而实现装置的功率变换功能。InfineontechnologiesIGBT Gate Drive: Power Suppliesa Gate driving voltage for IGBT+15Vturn-on is normally +15VDriver>□1a Gate driving voltage for IGBTOVturn-off can be oV or negativeWith Single Power Supply5V to-15V)a Negative gate driving voltage+15Vhelps IGBt switch off fasterremain in off state but itDriverneeds dual power suppliesOVWhether to use oV or negativegate driving voltage depends15VWith Dual Power Supplieson the requirement on costZH Liang - Al APperformance05Dec2003agefor internal use onlyInfineon Technologies Asia PacificInfineontechnologiesIGBT Gate Drive: InterfaceOpto-couplers is commonly used as interfacingdevices for applications where both signaltransmission and potential isolation are requiredOpto-couplers offers reliable isolation between IGBT(high-potential)& micro-controller(low-potential)Opto-couplers has long signal delay(us)and isexpensiveIsolation +VDpCCMicroDrivercontrollerZH Liang - Al AP05Dec2003Page 6for internal use onlyInfineon Technologies Asia PacificInfineontechnologiesIGBT Gate Drive: Half-bridge DriveStandard configuration: 2 drivers, 2 power supplies, 2 opto-couplersAdvantages: standard, reliableDisadvantages: using opto-couplers, higher system costIsolation +VDDlCC1DriverCC1MicrocontrollerDD2+VCC2DriverCC2ZH Liang - Al AP05Dec2003Page 7for internal use onlyInfineon Technologies Asia PacificInfineontechnologiesIGBT Gate Drive: Half-bridge DriveIn half-bridge IGBT drive, opto-couplers offer two functions(1)safety isolation &(2) shifting the potential of the gatesignal from uc potential to high-side potentialIf safety isolation between IGBT& micro-controller is notneeded, then"Level Shift" can replace opto-coupling andrealize function(2)OptoHigh-sideHigh-sidecouplerDriverIGBTMicro-Opto-LoW-sideLow-sidecontrollercouplerDriverIGBTZH Liang - Al AP05Dec2003Page 8for internal use onlyInfineon Technologies Asia PacificInfineontechnologiesIGBT Gate Drive Level shiftI FeaturesHVc(600V/1200V)沿PULSERFILTERShort Signal DelayPULSE■Cost- effectiveGEN■ No Safety Isolationevel Shift Half-bridge DriverI BenefitHigh-side““°IGBTO Saving Opto-couplersLevel(lower system costShiftMicro● Wider range ofcontrollerLevelLow-side■■■■■直■口m留■Switching FrequencyShiftIGBT(higher flexibility)ZH Liang - Al AP05Dec2003Page 9for internal use onlyInfineon Technologies Asia PacificInfineontechnologiesIGBT Gate Drive: CLTNEWO CLT-Coreless Transformer (for signal transmissionu Coils(Primary Secondary Side)realized on SiliconO Short Signal Delay (allowing high or low switching frequencyu Lower Cost(compared to 1200V level-shift driver日 Safety IsolationCLT Half-bridge DriverHigh-sideCLT Single DriverIGBTCLTMicro-controllerCLTIGBTMicro-controllerLoW-sideIGBTZH Liang - Al AP05Dec2003agefor internal use onlyInfineon Technologies Asia PacificInfineontechnologiesIGBT Gate Drive: Boot-strapBoot-strap circuit includes only a diode and a capacitora In half-bridge drive, the boot-strap circuit can replace the high-sidepower supply and make single-supply operation possibleWhen the low-side IGBT (or FWD)is on, the diode is forwardbiased and the capacitor is charged by the low-side power supplyvia the low-side IGBT and stores the energyWhen the low-side IGBt(and FWD)is OFF, the diode is reversebiased and blocks the dc-bus voltage to protect the low-sidecircuit. Meanwhile, the capacitor supplies energy to the high-sidedriverThe boot-strap capacitance should be high enough to keep thesupply voltage stable Capacitance needed can be calculatedbased on the working conditions and device parametersZH Liang - Al AP05Dec2003agefor internal use onlyInfineon Technologies Asia PacificInfineontechnologiesIGBT Gate Drive: Boot-strap circuitConventional2心菲*|■3 high-side power supplies■1|oW- side power supplyUsing boot-strap circuit心体心心●3 diodes& capacitorso 1 low-side power supplyFeaturesa Diode: ultra-fast recoverya Capacitor: general-purposed ITAa Dependent on low-side IGBTBenefitsSaving 3 PS(transformer cost)22ZH Liang - Al AP05Dec2003Reducing wiring connectionPage 12for internal use onlyInfineon Technologies Asia Pacific

这是最好用的matlab遗传算法工具箱：gatbx，工具箱可直接使用。安装说明及使用简介可见《matlab遗传算法gatbx工具箱介绍及安装说明》一文。

参考任田田的硕士论文《云数据中心中虚拟机初始化放置策略的优化算法及其应用研究》，用MATLAB语言实现了基于改进的最大最小蚁群算法求解云计算虚拟机初始化放置问题，采用的首次适应策略，轮询策略需要进一步测试。

电网频率是衡量电能质量的主要指标，对保持电力系统稳定安全运行具有重要意义，作为自动发电控制(automatic generation control，AGC)基本目的之一的负荷频率控制(load frequency control，LFC)是实现电网频率稳定的重要手段[1]，其通过调节系统中发电机有功功率输出以保持互联电网区域间联络线交换功率和频率偏移在给定范围内。自从Kirchmayer[2]提出该问题以来，广大研究人员也先后提出了许多设计控制方法来解决LFC 问题，如滑模技术、鲁棒控制、人工神经网路、遗传算法、粒子群算法、预测控制等。由于水轮发电系统是一个非最小相位系统，要把这些计算量大且

从无线电通信技术基础入手，介绍了有关通信接收机的原理和特性，并以此为基础重点阐述了有关接收机设计的内容。《通信接收机:DSP、软件无线电和设计(第3版)》用详实的内容、大量的公式、示例以及表格把接收机设计基础的内容完整而细致的展现在读者面前。而且，为了适应新技术的发展，这次的第三版除了对原有内容进行了大量更新，提供了许多有关最新技术以及数字技术的信息之外，还保留了接收机设计的基本原理。全书共分为10章，分别详细介绍了无线电通信系统、无线传输、噪声、数字信号处理以及调制理论和技术的基本知识，无线电接收机的重要特性，接收机系统规划，天线和天线匹配，放大器设计和增益控制技术，各种类型的混频器，本地