I can remember buying My first electronic calculator. I was teaching a graduate level statistics course and I had to have a calculator with a square root function. Back in the late 1960s, that was a pretty high-end requirement for a calculator. I managed to purchase one at the “educational discount price” of $149.95! Now, I look down at My desk at an ATmega2560 that is half the size for less than a quarter of the cost and think of all the possibilities built into that piece of hardware. I am amazed by what has happened to everything from toasters to car engines. Who-da-thunk-it 40 years ago?
標(biāo)簽： Beginning Arduino for
上傳時(shí)間： 2020-06-09
上傳用戶：shancjb
Building a robot and enabling it to sense its environment is a wonderful way to take your Arduino knowledge to the next level. In writing this book, I have brought together My love for invention and My experience with electronics, robotics and microcontrollers. I hope you have as much pleasure building and enhancing your robot as I did developing the techniques contained in this book.
標(biāo)簽： Arduino-Controlled Robot Make an
上傳時(shí)間： 2020-06-09
上傳用戶：shancjb
My association with the theory of controls in continuous time started during My studies at the Indian Institute of Technology, Kharagpur, India, in 1974 as an undergraduate student in the Controls and Power program. The initial introduction by Professors Kesavamurthy, Y. P. Singh, and Rajagopalan laid the foundation for a good basic understanding of the subject matter. This pursuit and further advanced study in the field of digital controls continued during My days as a graduate student in the Electrical and Systems Engineering Department at the University of Connecticut in Storrs, from 1983 to 1988.
標(biāo)簽： Applications Digital Control
上傳時(shí)間： 2020-06-10
上傳用戶：shancjb
I am presenting this novel book on advances and trends in power electronics and motor drives to the professional community with the expectation that it will be given the same wide and enthusiastic acceptance by practicing engineers, R&D professionals, univer- sity professors, and even graduate students that My other books in this area have. Unlike the traditional books available in the area of power electronics, this book has a unique presentation format that makes it convenient for group presentations that use Microsoft’s PowerPoint software. In fact, a disk is included that has a PowerPoint file on it that is ready for presentation with the core figures. Presentations can also be organized using just selected portions of the book
標(biāo)簽： Electronics Advances Drives Power Motor And
上傳時(shí)間： 2020-06-10
上傳用戶：shancjb
This book addresses programmer attitudes, but it’s not some kind of psychology textbook. We’ll investigate many topics, including: Source code presentation Defensive coding techniques How to debug programs effectively Good teamworking skills Managing your source code Take a quick glance through the table of contents to see exactly what’s covered. What is the rationale behind My selection of topics? I’ve been mentor- ing trainee programmers for many years, and these are the topics that have come up time and time again. I’ve also worked in the software factory for long enough to have seen the recurring problems—I address these too. If you can conquer all of these programming demons, you’ll progress from an apprentice coder to a real code craftsman.
標(biāo)簽： excellent practice writing Craft Code code the of
上傳時(shí)間： 2021-11-09
上傳用戶：danix800
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(biāo)簽： 開(kāi)關(guān)電源
上傳時(shí)間： 2021-11-23
上傳用戶：
對(duì)于文件名為xx.ms11的文件，需要首先安裝multisim11仿真軟件才能使用；對(duì)于文件名為xx.ms11的8051單片機(jī)仿真電路文件（或者PIC彈片機(jī)仿真電路文件），不僅需要首先安裝multisim11仿真軟件，還需要有相關(guān)的工程文件（multisim11中默認(rèn)存放在C:\Documents and Settings\Windows\My Documents\National Instruments\Circuit Design Suite 11.0\MCU Workspaces路徑\...中），因此建議讀者進(jìn)行單片機(jī)仿真時(shí)，最好按照光盤中給出的仿真電路圖，在multisim11重新繪制仿真電路，重新建立相關(guān)的工程文件，以保證仿真的順利進(jìn)行。當(dāng)讀者創(chuàng)建簡(jiǎn)易數(shù)字頻率計(jì)的8051單片機(jī)仿真電路時(shí)，必須在MCU Wizard的第2步中將工程文件類型設(shè)置為“下載外部文件”類型（External hex file）；具體方法請(qǐng)讀者參考與光盤配套的書籍的第8章和光盤的“簡(jiǎn)易數(shù)字頻率計(jì)\軟件流程\調(diào)試”文件路徑中的“調(diào)試.txt”文件（其中的第0步）和光盤的“簡(jiǎn)易數(shù)字頻率計(jì)\軟件流程\調(diào)試”文件路徑中"圖1"文件。簡(jiǎn)易數(shù)字頻率計(jì)由于采用了“下載外部文件”的工程類型，因此MCU Code Manager窗口中的設(shè)置較簡(jiǎn)單：只要按照光盤中“簡(jiǎn)易數(shù)字頻率計(jì)\軟件流程\調(diào)試”文件路徑中的“圖3”文件設(shè)置好后綴為.hex的外部文件在磁盤中的路徑即可。
標(biāo)簽： 數(shù)字頻率計(jì)
上傳時(shí)間： 2022-05-05
上傳用戶：
visio CMOS元件庫(kù),包含以下內(nèi)容1、EE - RAZAVI.vss2、mos_lib.vss3、My Component.vss4、NCHU-AIC_2004.vss出現(xiàn)兼容問(wèn)題時(shí)打開(kāi) 文件-選項(xiàng)-信任中心-信任中心設(shè)置-文件阻止設(shè)置將文件阻止設(shè)置里的勾全部去掉，再點(diǎn)確定即可
上傳時(shí)間： 2022-05-12
上傳用戶：
針對(duì)四軸飛行器飛行性能不穩(wěn)定和慣性測(cè)量單元(IMU)易受干擾、存在漂移等問(wèn)題,利用慣性傳感器MPU6050采集實(shí)時(shí)數(shù)據(jù),以經(jīng)典互補(bǔ)濾波為基礎(chǔ),提出一種可以自適應(yīng)補(bǔ)償系數(shù)的互補(bǔ)濾波算法,該算法在低通濾波環(huán)節(jié)加入PI控制器,依據(jù)陀螺儀測(cè)得的角速度實(shí)時(shí)調(diào)節(jié)PI控制器補(bǔ)償系數(shù)。飛行器姿態(tài)控制系統(tǒng)采用雙閉環(huán)PID控制方法,姿態(tài)解算的歐拉角作為系統(tǒng)外環(huán),陀螺儀角速度作為系統(tǒng)內(nèi)環(huán)。最后,搭建以NI My RIO為核心控制器的四軸飛行器,通過(guò)Lab VIEW實(shí)現(xiàn)算法和仿真,實(shí)驗(yàn)結(jié)果表明,自適應(yīng)互補(bǔ)濾波算法可以準(zhǔn)確解算姿態(tài)信息,雙閉環(huán)PID控制超調(diào)量小、反應(yīng)靈敏,控制系統(tǒng)基本滿足飛行要求。
標(biāo)簽： mpu6050 互補(bǔ)濾波 四旋翼飛控系統(tǒng) 雙閉環(huán)PID LabVIEW語(yǔ)言
上傳時(shí)間： 2022-06-13
上傳用戶：bluedrops
EAGLE是功能強(qiáng)大而又簡(jiǎn)單易學(xué)的電路設(shè)計(jì)軟件，它包含原理圖編輯器和印板設(shè)計(jì)編輯器及自動(dòng)鋪線編輯器。首先啟動(dòng)EAGLE，得到圖2界面，然后分析電路構(gòu)成：555時(shí)基集成塊；4017+進(jìn)制計(jì)數(shù)器；電容兩只；電阻12只；發(fā)光二極管10只。分別屬于EAGLE liner；40"；capacitor，discrecterled.Supply1。我f在設(shè)i電路之前須先打開(kāi)這些元器件庫(kù)，以備調(diào)用。具體方法：在圖2控制面板的library i'+'，出 А3所示屏面。擊打相應(yīng)庫(kù)的灰色小球，使之成綠色大球，這些庫(kù)的元器件就可用了。在圖2的控制面板中右擊projects，新建一個(gè)工程，取名My prject，如圖4所示。下面開(kāi)始設(shè)計(jì)原理圖，先右擊Myproject，隨即在觸發(fā)菜單中選擇new/schamitic，將要編輯的原理圖命名為fgdl，如圖5所示。
上傳時(shí)間： 2022-06-22
上傳用戶：
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