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general-purpose

  • 基于TMS320F2812 光伏并網(wǎng)發(fā)電模擬裝置PROTEL設(shè)計原理圖+PCB+軟件源碼+WORD論

    基于TMS320F2812 光伏并網(wǎng)發(fā)電模擬裝置PROTEL設(shè)計原理圖+PCB+軟件源碼+WORD論文文檔,硬件采用2層板設(shè)計,PROTEL99SE 設(shè)計的工程文件,包括完整的原理圖和PCB文件,可以做為你的學(xué)習(xí)設(shè)計參考。 摘要:本文實現(xiàn)了一個基于TMS320F2812 DSP芯片的光伏并網(wǎng)發(fā)電模擬裝置,采用直流穩(wěn)壓源和滑動變阻器來模擬光伏電池。通過TMS320F2812 DSP芯片ADC模塊實時采樣模擬電網(wǎng)電壓的正弦參考信號、光伏電池輸出電壓、負載電壓電流反饋信號等。經(jīng)過數(shù)據(jù)處理后,用PWM模塊產(chǎn)生實時的SPWM 波,控制MOSFET逆變?nèi)珮蜉敵稣也ā1疚挠肞I控制算法實現(xiàn)了輸出信號對給定模擬電網(wǎng)電壓的正弦參考信號的頻率和相位跟蹤,用恒定電壓法實現(xiàn)了光伏電池最大功率點跟蹤(MPPT),從而達到模擬并網(wǎng)的效果。另外本裝置還實現(xiàn)了光伏電池輸出欠壓、負載過流保護功能以及光伏電池輸出欠壓、過流保護自恢復(fù)功能、聲光報警功能、孤島效應(yīng)的檢測、保護與自恢復(fù)功能。系統(tǒng)測試結(jié)果表明本設(shè)計完全滿定設(shè)計要求。關(guān)鍵詞:光伏并網(wǎng),MPPT,DSP  Photovoltaic Grid-connected generation simulator Zhangyuxin,Tantiancheng,Xiewuyang(College of Electrical Engineering, Chongqing University)Abstract: This paper presents a photovoltaic grid-connected generation simulator which is based on TMS320F2812 DSP, with a DC voltage source and a variable resistor to simulate the characteristic of photovoltaic cells. We use the internal AD converter to real-time sampling the referenced grid voltage signal, outputting voltage of photovoltaic, feedback outputting voltage and current signal. The PWM module generates SVPWM according to the calculation of the real-time sampling data, to control the full MOSFET inverter bridge output sine wave. We realized that the output voltage of the simulator can track the frequency and phase of the referenced grid voltage with PI regulation, and the maximum photovoltaic power tracking with constant voltage regulation, thereby achieved the purpose of grid-connected simulation. Additionally, this device has the over-voltage and over-current protection, audible and visual alarm, islanding detecting and protection, and it can recover automatically. The testing shows that our design is feasible.Keywords: Photovoltaic Grid-connected,MPPT,DSP 目錄引言 11. 方案論證 11.1. 總體介紹 11.2. 光伏電池模擬裝置 11.3. DC-AC逆變橋 11.4. MOSFET驅(qū)動電路方案 21.5. 逆變電路的變頻控制方案 22. 理論分析與計算 22.1. SPWM產(chǎn)生 22.1.1. 規(guī)則采樣法 22.1.2. SPWM 脈沖的計算公式 32.1.3. SPWM 脈沖計算公式中的參數(shù)計算 32.1.4. TMS320F2812 DSP控制器的事件管理單元 42.1.5. 軟件設(shè)計方法 62.2. MPPT的控制方法與參數(shù)計算 72.3. 同頻、同相的控制方法和參數(shù)計算 8

    標簽: tms320f2812 光伏 并網(wǎng)發(fā)電 模擬 protel pcb

    上傳時間: 2021-11-02

    上傳用戶:

  • DDR3 layout指導(dǎo)

    This document provides general hardware and layoutconsiderations and guidelines for hardware engineersimplementing a DDR3 memory subsystem.The rules and recommendations in this document serve as aninitial baseline for board designers to begin their specificimplementations, such as fly-by memory topology.

    標簽: ddr3

    上傳時間: 2021-11-21

    上傳用戶:

  • 開關(guān)電源設(shè)計(英文版)

    It all started rather innocuously. I walked into Dr GT Murthy’s office one fine day, andchanged my life. “Doc” was then the General Manager, Central R&D, of a very largeelectrical company headquartered in Bombay. In his new state-of-the-art electronics center,he had hand-picked some of India’s best engineers (over a hundred already) ever assembledunder one roof. Luckily, he too was originally a Physicist, and that certainly helped me gainsome empathy. Nowadays he is in retirement, but I will always remember him as athoroughly fair, honest and facts-oriented person, who led by example. There were severalthings I absorbed from him that are very much part of my basic engineering persona today.You can certainly look upon this book as an extension of what Doc started many years agoin India … because that’s what it really is! I certainly wouldn’t be here today if I hadn’t metDoc. And in fact, several of the brash, high-flying managers I’ve met in recent years,desperately need some sort of crash course in technology and human values from Doc!

    標簽: 開關(guān)電源

    上傳時間: 2021-11-23

    上傳用戶:

  • IW3617 230V 調(diào)光設(shè)計參考.pdf

    General Design Specification:1. AC Input Range 180-264Vac, Isolated ac-dc offline, 12LEDS,Output 700mA2. Intelligent wall dimmer detections(Leading-edge dimmer , Trailing-edgedimmer , No-dimmer)3. Multiple dimming control scheme4. Wide dimming range from 1% up to 100%5. No visible flicker6. Resonant control to achieve high efficiency7. High Power Factor, 0.9 without dimmer8. Temperature degrade control to adjust the LED9. Primary-only Sensing eliminates opto-isolator feedback and simplifies design

    標簽: iw3617

    上傳時間: 2021-12-03

    上傳用戶:canderile

  • 高通(Qualcomm)藍牙芯片QCC5151_硬件設(shè)計詳細指導(dǎo)書(官方內(nèi)部培訓(xùn)手冊)

    高通(Qualcomm)藍牙芯片QCC5151_硬件設(shè)計詳細指導(dǎo)書(官方內(nèi)部培訓(xùn)手冊)共52頁其內(nèi)容是針對硬件設(shè)計、部分重要元器件選擇(ESD,F(xiàn)ilter)及走線注意事項的詳細說明。2 Power management 2.1 SMPS 2.1.1 Components specification 2.1.2 Input power supply selection 2.1.3 Minimize SMPS EMI emissions 2.1.4 Internal LDOs and digital core decoupling 2.1.5 Powering external components 2.2 Charger 2.2.1 Charger connections.2.2.2 General charger operation2.2.3 Temperature measurement during charging 2.3 SYS_CTRL 3 Bluetooth radio3.1 RF PSU component choice 3.2 RF band-pass filter3.3 Layout (天線 走線的注意事項)4 Audio4.1 Audio bypass capacitors 4.2 Earphone speaker output4.3 Line/Mic input 4.4 Headphone output optimizition5 LED pads 5.1 LED driver 5.2 Digital/Button input 5.3 Analog input5.4 Disabled 6 Reset pin (Reset#)7 QSPIinterface 8 USB interfaces 8.1 USB device port8.1.1 USB connections8.1.2 Layout notes8.1.3 USB charger detection

    標簽: qualcomm 藍牙芯片 qcc5151

    上傳時間: 2022-01-24

    上傳用戶:XuVshu

  • 一種通用微型飛行控制器設(shè)計 105頁

    一種通用微型飛行控制器設(shè)計 105頁摘 要 微小型無人機(Micro/Mini UnmannedAerial Vehicle,M【,AV)在現(xiàn)代軍事和國民經(jīng)濟中發(fā) 揮著越來越重要的作用。飛行控制器是無人機系統(tǒng)的核心,它自動采集無人機的各種飛行參數(shù), 輸出舵面/油門指令以控制無人機的姿態(tài)和軌跡,使無人機能在沒有人工操縱干預(yù)的情況下自主 飛行,完成預(yù)定的任務(wù)。因此,研制高性能的飛行控制器對改善無人機的飛行性能以及提高任 務(wù)完成效率都具有重要的意義。 本文著重研究一種通用微型飛行控制器(General Micro Flight Controller,GMFC),以適用 于小型/微型固定翼飛行器、旋翼飛行器、飛艇以及移動機器人的控制。論文的主要工作涉及 GMFC的硬件設(shè)計與軟件實現(xiàn),具體內(nèi)容包括: 1)分析了微型飛行控制器在國內(nèi)外的研究現(xiàn)狀和發(fā)展趨勢,根據(jù)任務(wù)需求和設(shè)計指標確定 一種通用型、微型化、低功耗、高性能、低成本的嵌入式微型飛行控制器的整體方案。 2)設(shè)計了基于ARM的通用微型飛行控制器的硬件系統(tǒng),包括主控模塊、慣性測量單元、 靜壓高度計、遙控信號接收單元、數(shù)據(jù)通信模塊、電源模塊、附加傳感器模塊等;完成了整個 控制器的PCB制作以及對所有電路的調(diào)試工作,使得系統(tǒng)運作正常。 3)研究了基于卡爾曼濾波算法的姿態(tài)參考系統(tǒng),并對姿態(tài)參考系統(tǒng)的靜態(tài)性能和動態(tài)性能 進行測試。 4)設(shè)計了小型四旋翼飛行器本體平臺并對其進行動力學(xué)建模仿真; 5)在此基礎(chǔ)上,結(jié)合四旋翼飛行器試驗平臺設(shè)計了飛行控制律,開發(fā)了GMFC的軟件系 統(tǒng),并開展物理實驗驗證。

    標簽: 飛行控制器

    上傳時間: 2022-03-15

    上傳用戶:zhaiyawei

  • J-LINK下載器

    首先下載軟件,解壓軟件,安裝在程序中找到SEGGER,選里面的J-FLASH,進入界面,剛開始的那個界面可以忽略,不用建project也可以;單擊菜單欄的“Options---Project settings”打開設(shè)置,進行jlink配置;正在General選項,選擇“USB”,一般都是默認配置,確認一下即可;然后在CPU選項,選擇芯片型號,先選擇“Device”才能選擇芯片型號,芯片型號,要根據(jù)你使用的芯片進行選擇;在Target interface選項 里面選擇SWD模式;首先Target里面選“Connection”連接目標芯片,然后 Target--Auto進行程序燒寫;首先Target里面選擇“Connection”連接目標芯片,然后 Target--Auto進行程序燒寫.SEGGER J-Links are the most widely used line of debug probes available today. They've proven their value for more than 10 years in embedded development. This popularity stems from the unparalleled performance, extensive feature set, large number of supported CPUs, and compatibility with all popular development environments.

    標簽: JLINK

    上傳時間: 2022-03-22

    上傳用戶:

  • 高通藍牙芯片QCC5144_硬件設(shè)計指導(dǎo)書

    高通(Qualcomm)藍牙芯片QCC5144_硬件設(shè)計詳細指導(dǎo)書(官方內(nèi)部培訓(xùn)手冊)其內(nèi)容是針對硬件設(shè)計、部分重要元器件選擇(ESD,F(xiàn)ilter)及走線注意事項的詳細說明。2 Power management 2.1 SMPS 2.1.1 Components specification 2.1.2 Input power supply selection 92.1.3 Minimize SMPS EMI emissions 2.1.4 Internal LDOs and digital core decoupling 2.1.5 Powering external components 2.2 Charger 2.2.1 Charger connections.2.2.2 General charger operation2.2.3 Temperature measurement during charging 2.3 SYS_CTRL 3 Bluetooth radio3.1 RF PSU component choice 3.2 RF band-pass filter3.3 Layout (天線 走線的注意事項)4 Audio4.1 Audio bypass capacitors 4.2 Earphone speaker output4.3 Line/Mic input 4.4 Headphone output optimizition5 LED pads 5.1 LED driver 5.2 Digital/Button input 5.3 Analog input5.4 Disabled 6 Reset pin (Reset#)7 USB interfaces7.1 USB device port7.1.1 USB device port7.1.2 Layout notes 7.1.3 USB charger detectionA QCC5144 VFBGA example schematic and BOM B Recommended SMPS components specificationB.1 Inductor specifition B.2 Recommended inductors B.3 SMPS capacitor specifition

    標簽: 藍牙芯片 qcc5144

    上傳時間: 2022-04-07

    上傳用戶:默默

  • 血氧儀核心硬件電路設(shè)計及Multisim仿真

    為了實時檢測血氧量,能使缺氧特別敏感的腦組織或心臟類疾病患者得到及時治療,采用近紅外雙波長透射式光電脈搏血氧測定法,以H橋電路對發(fā)射光源進行控制及通用運算放大器搭建濾波電路。運用參數(shù)理論計算和計算機仿真結(jié)果相對比的方法,通過Mu ltisim軟件對所設(shè)計電路進行仿真,仿真結(jié)果與理論參數(shù)計算相吻合,證明了電路參數(shù)設(shè)計的可行性,為血氧儀的實物制作提供參考。For real-time detection of oxygen saturation for timely treatment of the brain or heart,which are very sensitive to oxygen inadequacy,the near-infrared wavelengths double photoelectric pulse oximeter transmission method is adopted.The illuminant is controlled with the H bridge circuit and the filter circuit is built with general op-amps.Parameters by theoretical calculation is compared with the computer simulation results in Multisim and satisfactory results are obtained.It is shown that the design of the circuit parameters is feasible and can be a help in making the physical blood-oxygen monitor.

    標簽: multisim 光電二極管 濾波器

    上傳時間: 2022-05-12

    上傳用戶:

  • xinlinx-Spartan6開發(fā)板原理圖詳解

    The information disclosed to you hereunder (the Materials ) is provided solely for the selection and use of Xilinx products. To the maximum extent permitted by applicable law: (1) Materials are made available"AS IS"and with all faults, Xilinx hereby DISCLAIMS ALL WARRANTIES AND CONDITIONS, EXPRESS, IMPLIED, OR ST ATUTORY, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY NON-INFRINGEMENT, OR FITNESS FOR ANY PARTICULAR PURPOSE; and (2) Xilinx shall not be liable (whether in contract or tort. includina nealigence. or under anv other theorv of liabilitv) for any loss or damage of any kind or nature related to, arising under, or in connection with, the Materials (including vour use of the Materials), including for any direct, indirect, special, incidental, or consequential loss or damage (including loss of data, profits, qoodwill, or any type of loss or damage suffered as a result of anv action brought by a third party) 

    標簽: xinlinx spartan-6

    上傳時間: 2022-06-18

    上傳用戶:

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