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人工鱼群算法matlab代码
人工鱼群智能算法课程代码，仿生群体智能算法，matlab代码。
- 2020-12-05下载
- 积分：1
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Matlab对于2XSK信号的产生处理
本实例对通信原理中2ASK、2PSK、2FSK以及2DPSK信号都做了类似的处理，描述了信号调制、加噪声、到最后解调比较的全过程
- 2017-03-04下载
- 积分：1
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英飞凌IGBT驱动培训资料
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
- 2020-12-11下载
- 积分：1
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同步发电机励磁控制系统
分析了电力系统产生低频振荡的原因，在MATLAB 环境中建立了PSS 辅助励磁控制系统的仿真模型，并针对该系统进行MATLAB 仿真试验。通过比较在有无PSS 辅助励磁控制时，系统在大小扰动下机端电压稳定性的变化，
- 2020-12-09下载
- 积分：1
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mysql5.5从零开始学附加光盘！
mysql5.5从零开始学附加光盘！mysql5.5从零开始学附加光盘！
- 2021-05-07下载
- 积分：1
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特征的选择与提取 模式识别
特征的选择与提取 包含特征处理的多种方法 点，线，区域特征
- 2020-11-04下载
- 积分：1
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自适应动态规划matalab简单代码实现
自适应动态规划matalab简单代码实现，适合初学者，代码可运行
- 2020-12-04下载
- 积分：1
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DDA插补源码
DDA直线，圆弧插补源码，插补轨迹仿真，CNC开发的重要参考资料。
- 2020-12-04下载
- 积分：1
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真正实现了STM32 HAL串口不定长数据的接收发送功能(DMA方式，不用限定单次接收长度和添加结束标志)
网上使用HAL串口时很多都没有实现不定长数据的接收，要么是限定数据长度，要么是加“0x0a 0x0d”来控制接收完成，找了很久都没有真正找到一个能用的，在很多通信中不可能是定义的，或是加上“0x0a 0x0d”来实现的，由于项目需要，自己阅读STM32 HAL的文档，写出了一个Demo程序，可以实现回显功能(就是通过给STM32发送不定长的数据，可以实现一模一样接收发送的数据），在STM32F429IGT6上验证过，跑了一天没有出现丢失数据的问题，使用DMA发送与接收方式，可以释放CPU部分运算资源，程序中的UART_RX_BUF_SIZE定义为128，就是一次最大接收为128，我在项目中通过
- 2020-11-27下载
- 积分：1
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104规约子站源代码
程序较完整，可直接扩充，基本实现了总召唤等功能，谢谢大家支持
- 2020-12-05下载
- 积分：1
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