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- 2020-12-02下载
- 积分:1
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python爬虫爬取美团商家数据完整版
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- 2020-12-06下载
- 积分:1
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hmm(隐马尔可夫模型)算法代码汇总
语音识别基于hmm(隐马尔可夫模型)算法代码汇总(算法源码及应用)
- 2020-12-05下载
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基于C6000系列DSP的C程序包
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- 2020-12-08下载
- 积分:1
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永磁无刷直流电机控制论文-基于Matlab的双闭环直流电机调速系统的仿真.pdf
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- 2020-05-29下载
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图解CSS3核心技术与案例实战(附案例源码)
本书是国内著名的Web前端专家历时2载的心血之作,根据最新的CSS3撰写,融入了作者在CSS领域多年的使用经验,旨在将本书打造成为CSS3领域最权威和实用的专业著作,供没有经验的读者系统学习,供有经验的读者参考备查。本书理论知识系统全面,详细讲解了选择器、边框、背景、文本、颜色、盒模型、伸缩布局盒模型、多列布局、渐变、过渡、动画、媒体、响应Web设计、Web字体等主题下涵盖的所有CSS3新特性,所有这些都巧妙地融入到案例中,而不是枯燥的理论讲解;讲解方式直观易懂,以图解的方式巧妙地展示了这些新特性;实战性强,既为每个知识点精心设计了小案例,也有综合性的大案例,所有案例都非常详尽,有功能需求
- 2020-12-10下载
- 积分:1
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哈尔滨工业大学数字电路笔记
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- 2021-05-06下载
- 积分:1
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ST FOC 5.0说明书 快速入门 SDK v5.0.pdf
ST FOC 5.0说明书 配合 开源库 https://download.csdn.net/download/hxinstar/10322042使用UM2374List of tablesList of tablesTable 1. List of acronymsTable 2Document revision history..23UM2374 Rey 13/24List of figuresUM2374List of figuresFigure 1. ST MC Workbench -Icon and installation folder treeFigure 2. ST MC Workbench-GUI expanded top viewFigure 3. ST Motor Profiler-GUI889Figure 5. ST Motor Profiler-SM-PMSM parameters exampleFigure 4. ST Motor Profiler- Hardware setup list examples1011Figure 6. ST Motor Profiler-l-PMSM parameters exampleFigure 7. ST Motor Profiler-Measurement results12Figure 8. ST Motor Profiler-Save window13Figure 9. ST MC Workbench - New Project window14Figure 10. ST MC Workbench -New Project Info window14Figure 11. ST MC Workbench -Project Settings15Figure 12. ST MC Workbench-Project Settings window.15Figure 13. ST MC Workbench -Project generation button16Figure 14. ST MC Workbench -Workspace selectionFigure 15. ST MC Workbench -Project generation build infoFigure19. ST MC Workbench- Use of the motor control and monitoring.∴、∴,"…,,∴…….17Figure 16. IDE-MC Project view example18Figure 17. STMC Workbench-Motor monitoring button.19Figure 18. ST MC Workbench -Motor monitoring GUI204/24UM2374 Rey 1/UM2374General informationGeneral informationThe Mc sDK is used for the development of motor-control applications running on STM3232-bit microcontrollers based on the arm Cortex-M processorTable 1 presents the definition of acronyms that are relevant for a better understanding ofthis documentTable 1. List of acronymsAcronymDescriptionGUIGraphical user interfaceIDEIntegrated development environmentFOCField-oriented controlFWFirmwareMotor controlMC WBMotor control Workbench(STMicroelectronics sw tool)MPMotor Profiler(STMicroelectronics software tool)PMSMPermanent-magnet synchronous motorPWMPulse-width modulationSDKSoftware development kitVCVector controlMore information about ST MC Workbench is provided in the stm32 motor control SDKv5.0toolsusermanual(um2380)availableatwww.st.comarmUM2374 Rey 15/24Motor control ecosystem setupUM23742Motor control ecosystem setupA suitable ST Motor Control ecosystem environment includesA PC running the needed Mc software toolsA third-party IDEa third-party ANSI C-compilerA JTAG/SWD interface for debugging and programmingAn STMicroelectronics application board with one of the STM32 microcontrollerssupported. It drives the power stage and featuresPWM outputs to gate driverADC channels to measure currentsDC bus voltageA three-phase PMsM motol· A power supplyRefer to the STM32 motor control software development kit(Mc sDk data brief(DB3548)atwww.st.comandtothereleasenoteformoredetails2.1Software tool setupThe STMicroelectronics motor-control ecosystem runs on a pc with Windows7The following Pc software tools are correctly installedST MC Workbench (v5.0.0 or later)STM32CubeMX(v4 24.0 or later)ST-LINK/2(v4.0.0 or later)Any supported IDEIAR Embedded Workbench@ for Arm(v7.80.4Keil MDK tools (v5.24.2 or later)Ac6 System Workbench(v2.3.0 or later)(a)Refer to the respective user manuals for proper installation. STMicroelectronics documentsareavailablefromtheinternetsiteatwwwst.comSTM32 motor control SDK v5.0 tools user manual (UM2380STM32 CubeMX for STM32 configuration and initialization c code generation usermanual (UM1718)STM32 ST-LINK utility software description user manual(UM0892)The AC6 tool framework is not supported in SDK v5.0 but in later versions6/24UM2374 Rey 1/UM2374Motor control ecosystem setup22Hardware setupThe connection of the STMicroelectronics application board to the pc requires a USBType-A connector. Refer to the description of the application board for details on the USBcableA dedicated description card is delivered with each STMicroelectronics application board forproper installation For more details, refer to the user manual of the board available atwww.st.comThe selected hardware can be one of the three setups· The complete MC KitOne of the complete inverter boardsAny STM32 evaluation board combined with one of the ST evaluation power stagesthat include the mc connectorUM2374 Rey 17/24Getting StartedUM23743Getting StartedWarning: Check that the board is correctly configured for the motorcontrol application and supplied with the expected inputvoltageNoteRefer to the user manual of the related hardware to setup the correct configuration, voltagerange, serial communication capabilities, and programming/debugging interface3.1Hardware connectionConnect a uSb cable between the pc and the stmicroelectronics application board andthe JTAG/SWD programming cable if it is different from the USB cable3.2Motor profilingLaunch the ST MC Workbench software tool either byclicking on its iconrunning it directly from the installation folder treeBoth ways of launching the ST MC Workbench are illustrated in Figure 1Figure 1. ST MC Workbench- Icon and installation folder treeI STMicroelectrorics感FOC SDKLv.3.0MotorControlv500WorkBenchST Motor Control Workbenchd ST Motor profileren the st motor profiler tool either byUsing its dedicated button in the St Mc Workbench GUl as illustrated in Figure 2Running it directly from the installation folder tree as illustrated in Figure 1Figure 2. ST MC Workbench-GUl expanded top viewFile Tools Help Documet ta ionNew ProjectLoad Project4 About HelpMotor ProfilRcGert ProJEcts己tdbrsDRpower board8/24UM2374 Rey 1/UM2374Getting StartedClick on the Select Boards button to display the list of supported boards as shown onFigure 3 and select the STMicroelectronics application board setup. Figure 4 on page 10presents examples from this listNoteThe ST Motor Profiler tool may be used only with ST hardware in the list of supportedsetups.Figure 3. ST Motor Profiler-GUI2 ST Motor Profile.l:e augmentedMotor ProfilersPole pairsPe row to detecbeed and Current /mitsMaκSpet1600FPMn7 Select Board∧pk02530pkMagnetic: SM-PMSN○-NSMMechanIcal mode lO CenElectrical modelOW000UM2374 Rey 19/24Getting StartedUM2374Figure 4. ST Motor Profiler-Hardware setup list examplesE ST Motor ProfiY Hideabsolete boarde arch Control board by narSe arch power boac bv nareControl boardower BoardxCancelHide boards with warningNUCLEO-F302R8X-NUCLEO-HMOTM1 3shNUCLEO-F302R8X-NUCLEO-HMOBM1 3shT2F302R8T6L6230PDSTM32F302R8T6STL22ON6FT●Acf8m:m3SELNRV2 Emiol connectorC Product Web PageG Product Web PageC Product Web PageC Product Web PageNUCLEO-F303RESTEVAL-IPMO5F 3ShNUCLEO.F303RESTEVAL-IPM108 3sh●Aiv命Ativ● Ac livSn Ngor ombreI connectorST-LINKV2C Product Web PageC Product Web PageC Product Web PageC Product Web PageClick on the sTmicroelectronics hardware setup to select it and configure the st motorProfiler toolAs an example, Figure 4 shows the selection of the P-NUCLEO-IHM001 motor controlNucleo pack with NucLEo-F302R8 and X-NUCLEO-IHMO7M1After hardware setup selection, fill in the parameter fields with the motor informationThe number of pole pairs of the motor(mandatory fieldThe Max Speed of the motor(optional field)by default, the st Motor Profiler tool searches for the maximum allowed speedmatching the motor and the hardware setup usedThe Max Current allowed by the motor(optional field)By default, it is the maximum peak current deliverable by the hardware setupThe nominal dC bus voltage used by the hardware setup(optional field)By default, it is the power supply stage as either the bus voltage for low voltageapplications(DC voltage), or the RMs value for high voltage application(Ac voltage)The magnetic built-in type(mandatory field)By default, the SM-PMSM is selectedThe Ld/Lq ratio(mandatory field only when l-PMSM built-in is selected as shown inFigure 6 on page 1110/24UM2374 Rey 1/
- 2020-11-29下载
- 积分:1
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单相PWM整流控制系统的设计与仿真.
【实例简介】在电力系统中,电压和电流应是完好的正弦波。但是在实际的电力系统中,由于非线性负载的影响,实际的电网电压和电流波形总是存在不同程度的畸变,给电力输配电系统及附近的其它电气设备带来许多问题,因而就有必要采取措施限制其对电网和其它设备的影响。
在我国,当前主要的谐波源主要是一些整流设备。传统的整流方式通常采用二极管整流或相控整流方式,采用二极管整流方式的整流器存在从电网吸取畸变电流,造成电网的谐波污染,而且直流侧能量无法回馈电网等缺点。这些整流器从电网汲取电流的非线性特征,给周围用电设备和公用电网都会带来不利影响。
为了抑制电力电子装置产生的谐波,其中的一种方法就是对整流器本身进行改进,使其尽量不产生谐波,且电流和电压同相位。这种整流器称为高功率因数变流器或高功率因数整流器。高功率因数变流器主要采用PWM整流技术,一般需要使用自关断器件。对电流型整流器,可直接对各个电力半导体器件的通断进行 PWM调制,使输入电流成为接近正弦且与电源电压同相的PWM波形,从而得到接近1的功率因数。对电压型整流器,需要将整流器通过电抗器与电源相连。只要对整流器各开关器件施以适当的PWM控制,就可以对整流器网侧交流电流的大小和相位进行控制,不仅可实现交流电流接近正弦波,而且可使交流电流的相位与电源电压同相,即系统的功率因数总是接近于1。本文主要对与PWM整流器相关的功率开关器件、主电路拓扑结构和控制方式等进行详细说明,在此基础上对PWM 整流技术的发展方向加以探讨。
- 2021-12-04 00:57:07下载
- 积分:1
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- 2020-12-11下载
- 积分:1