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MDS无线传感器网络定位算法MATLAB程序
MDS无线传感器网络定位算法MATLAB源程序,可以根据自己组网的参数需要修改,直接可以运行得到结果的。好用。
- 2020-12-02下载
- 积分:1
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stm32实现USB_存储_HID复合设备
stm32实现USB_存储_HID复合设备,采用官方固件库实现,U盘实际上是读卡器
- 2020-12-07下载
- 积分:1
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ksvd算法(matlab)稀疏表示中训练字典
稀疏表示中用来训练字典的ksvd算法,有demo
- 2020-11-28下载
- 积分:1
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多分布式电源下垂控制(PQ控制)matlab仿真
多分布式电源下垂控制,PQ控制器matlab仿真,可运行
- 2020-11-28下载
- 积分:1
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人工萤火虫算法
最新智能算法matlab,具有较好的效果方便学习交流,具有很好的价值
- 2020-11-06下载
- 积分:1
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hfss滤波器设计实例
hfss滤波器设计实例。滤波器电路设计;滤波器特性分析以及详细设计步骤。49页详细资料。
- 2020-11-28下载
- 积分:1
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模型预测控制MPC程序代码
基于状态空间的模型预测MPC控制器的设计,附带例子(MATLAB)
- 2020-12-07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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基于STM32的安卓蓝牙遥控车程序源码(Keil MDK工程)
基于STM32的安卓蓝牙遥控车程序源码(Keil MDK工程),此程序实现的智能遥控小车功能强大,代码风格清晰简洁,十分适合学习STM32的童鞋参考学习。包含以下模块1、UART通信模块2、蓝牙遥控软件Bluetooth RC,解码3、电机驱动模块4、超声波驱动模块5、点阵驱动模块6、LED灯,蜂鸣器驱动7、按键驱动
- 2020-12-06下载
- 积分:1
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centos7 oracle11g 缺少的包
compat-libstdc++-33-3.2.3-62.i386,compat-libstdc++-33-3.2.3-72.el7.x86_64,glibc-2.3.4-2.41.i686,glibc-devel-2.3.4-2.41.i386,libaio-0.3.105-2.i386,libaio-devel-0.3.105-2.i386,libgcc-3.4.6-3.i386,libstdc++-3.4.6-11.i386,pdksh-5.2.14-37.el5_8.1.x86_64,,unixODBC-2.2.11-7.1.i386,unixODBC-devel-2.2.11-7.1
- 2020-12-04下载
- 积分:1