亚洲欧美第一页_禁久久精品乱码_粉嫩av一区二区三区免费野_久草精品视频

蟲蟲首頁| 資源下載| 資源專輯| 精品軟件
登錄| 注冊

OPERATION-centric

  • 微處理器dsPIC33F在微機保護裝置中的應用

    數字信號處理器dsPIC33F集多通道高精度A/D轉換、多通訊模式、看門狗、CMOS Flash技術等于一體,其內部可完成所有數據操作,實現總線不出芯片技術。將該處理器應用于微機保護裝置,提出基于dsPIC33F微處理器的微機保護裝置的設計方案,給出相應的接口電路與軟件流程。該設計方案結構簡單,性價比及可靠性高,開發周期短,具有一定的實用推廣價值。所研制的微機保護裝置現場運行效果良好。 Abstract:  The dsPIC33F microprocessor has a plentiful interior resource which contains multi-channel,high precision A/D converters,multi-communication module,watchdog,CMOS Flash technology,and so on.All data manipulations is accomplished interiorly.What is more,it makes the technology that bus does not go beyond the chip comes into practice.The paper put forwards a design scheme based on dsPIC33F microprocessor.The scheme has the advantages of simple structure,high reliability and shortened exploitation cycle.What is more,it has definite practicality and reference.The microcomputer protection device has been put into operation with excellent effects.

    標簽: dsPIC 33F 33 微處理器

    上傳時間: 2013-11-16

    上傳用戶:開懷常笑

  • 基于ATmega16的標記機控制系統

    介紹了當前普通標記機控制系統現狀及其存在缺點,給出氣動標記機及相頻修正PWM模式的工作原理。采用ATmega16單片機和USB轉換RS232接口器件CH341T實現驅動控制系統與PC的實時通訊,標記控制系統可升級到USB接口。采用基于ATmega16的相頻修正PWM替換555振蕩電路產生的PWM,可直接通過軟件調整PWM信號。使用達林頓三極管TIP122替代直流繼電器驅動高頻電磁閥,使得電磁閥驅動電路簡單,成本低廉。該控制系統已成功應用于氣動標記機。 Abstract:  In this paper,the actuality and demerit of the common gas marking machine control systems are described.The operation principle of the gas marking machine and the phase and frequency correct PWM of ATmega16is introduced.The real-time communication between the driving control system and PC by CH341T which its function is translated USB to RS232is realized,the control systems is updated grade to USB interface.The PWM signal can be adjustable by software for the555surge circuit was substituted by the phase and frequency.The high frequency electromagnetic value’s driving circuit by DC relay is replaced by TIP122,therefore,the circuit is become simple and the cost cheap.The control systems has been widely used in gas marking machine.

    標簽: ATmega 16 標記 控制系統

    上傳時間: 2013-10-18

    上傳用戶:1427796291

  • 基于AT89C52單片機的溫度巡回檢測系統設計

    闡述了一個由上位PC機和AT89C52下位單片機組成的主從分布式溫度巡回檢測系統。主從機采用RS-485 串行通訊標準進行通信,可在下位單片機實現基本的溫度數據巡回檢測基礎上,由上位PC機實現綜合處理功能或擴展為遠程操作。整個系統具有巡檢速度快,擴展性好的特點。 Abstract:  In this paper,a top PC and AT89C52 under-bit microcontrollers from the main component of the tour distributed temperature detection system is presented. Master and slave can use RS-485 serial communication standards for communications.Based on next-bit machine for basic goods temperature detected data Tour, the top can achieve the integrated treatment of PC functions or for the expansion of long-distance operation. The entire inspection system is fast, expansion.

    標簽: 89C C52 AT 89

    上傳時間: 2013-10-13

    上傳用戶:zhoujunzhen

  • NXP P89LPC901單片機汽車起動保護控制器設計

    在汽車發動機起動時,若發動機起動后起動機不能及時斷電,將會燒毀起動機或損壞飛輪齒環;若變速器不在空檔位置起動,則起動機的瞬間動力將使汽車位移,還可能引起交通事故和人身安全。為此介紹一種利用NXP P89LPC901單片機控制的汽車起動保護控制器,通過檢測汽車起動開關、變速箱檔位、發動機轉速,實現對汽車發動機起動過程檢測和保護。起動保護控制器在發動機起動過程中通過采用逐個關閉打開負載系統,解決汽車發動機過程中因起動電流大而對汽車電源的沖擊影響,延長了電瓶壽命。 Abstract:  When the automotive engine is started, the engine start motor and flywheel gear may be damaged, even traffic accidents and personal safeties may be caused by wrong operation or other factors.In order to ensure the automotive engine can be started normally and safely,it is necessary that the protecting measures and methods are considered in the automotive electrical control system.This paper introduces a kind of the automotive engine starting protect controller based on NXP P89LPC901 MCU.The controller can protect the engine starting process by detecting the starter key switch,transmission stall and engine speed.Through the use of close and open load system,the controller can solve the impact on automotive power because of the high-current load in the process of the automobile engine starting, and extend battery life.

    標簽: NXP LPC 901 P89

    上傳時間: 2013-10-15

    上傳用戶:mikesering

  • 基于C8051F020的觸摸屏驅動控制

    C8051F020單片機通過SPI接口驅動四線電阻式觸摸屏控制器TSC2046,利用中斷方式驅動TSC2046設計軟件。介紹了觸摸屏的工作原理、TSC2046工作方式以及典型應用電路。 Abstract:  The C8051F020 MCU is connected with the TSC2046 which is a 4-wire touch screen controller. The TSC2046 is controlled by interrupt mode, the? operation principle of touch screen is introduced. The operation mode of TSC2046 and typical application circuit are also discussed.

    標簽: C8051F020 觸摸屏 驅動控制

    上傳時間: 2014-12-27

    上傳用戶:hwl453472107

  • 基于C8051F320的模擬槍戰系統設計

    提出了一種基于C8051F320的紅外模擬槍戰系統設計方案。介紹了紅外模擬槍戰系統的構成,給出了硬件選型、系統硬軟件設計。利用紅外抗對系統的工作原理,系統獲得良好效果。 Abstract:  This paper presents the design of simulated gunfight system based on C8051F320.Introduces system structure,and puts forward hardware selection of infrared simulated gunfight system and system hardware and software designs.Using the operation principle of infrared antagonizing system,the system result is good.

    標簽: C8051F320 模擬 系統設計

    上傳時間: 2013-11-20

    上傳用戶:南國時代

  • 基于MPC555與CS8900A的以太網擴展設計

       介紹了MPC555與CS8900A擴展以太網的硬件設計圖。以NUCLUES PLUS操作系統為基礎,介紹了網卡軟件驅動程序的編制,給出了以太網協議包嵌入NUCLEUS PLUS操作系統的實現方法。 Abstract:  The Ethernet extension hardware design of MPC555 and CS8900A are introduced,and the software driven program based on NUCLEUS PLUS operation system and the technique that Ethernet protocol embedded in NUCLEUS PLUS real operation system are discussed.

    標簽: 8900A 8900 MPC 555

    上傳時間: 2013-10-23

    上傳用戶:xiehao13

  • 基于MSP430F149的智能電池巡檢系統的設計

    介紹了電力操作電源與智能電池巡檢系統的特點,給出了一種基于超低功耗單片機MSP430 F149針對中小型變電站自動化運行的專用設備的基本設計原理及實現方法,最后給出了詳細硬件構成和軟件實現。該系統能滿足中小型變電站安全、可靠、自動運行的要求,并通過與上位機的串行通信實現變電站的遠程管理和控制。 Abstract:  The characters of the intelligent battery data logging system of the electric operation power are introduced.The basic design principle and the implemented methods of the special equipment which only designed for the middle or small transformer substation based on MSP430F149 are prescribed. Finally, the hardware block diagram and the software flow chart are also given. The function that the system finally needs to realize can basically meet with the middle or small transformer substation’s satisfy, reliably,and automatic running.And it can also realize the transformer substation long-distance management and control by serial communicating with the host computer.

    標簽: 430F F149 MSP 430

    上傳時間: 2013-11-25

    上傳用戶:黃華強

  • 基于ADuC841的膜片鉗放大器系統設計

    為降低成本和解決現有膜片鉗放大器系統中PC機的干擾問題,研究了一種基于單片機的膜片鉗放大器小系統。該系統采用ADI公司生產的ADuC841作為控制核心,并且配置相應的液晶顯示模塊LCM3202401。模擬電路部分采用高輸入阻抗的AD8627實現微電流信號的采集,并由后級電路進行信號的放大和電阻電容的補償。它具有硬件電路簡單、體積小、使用方便的特點。既可以單獨作為小系統實現采集和顯示,也可以通過紅外方式和PC機進行通訊,在PC機上進行信號的處理。 Abstract:  In order to reduce cost and resolve the interferential problem with PC in existing patch clamp amplifiers, a small patch clamp amplifier system design based on microcontroller is studied. It adopts a new high performance microconverter ADuC841 by the ADI as the control core in the system, configuring a liquid crystal module LCM3202401. In the analog circuit, AD8627 with high input impedance is used to detect the low current,signal magnification, as well as resistance and capacitance compensation are accomplished by subsequent circuits. It has the advantage of simple hardware circuit design, small volume and convenient operation. It can either be used as an independent system to measure and show signal detected or transmit to PC by infrared ray.

    標簽: ADuC 841 膜片鉗 放大器

    上傳時間: 2013-11-06

    上傳用戶:yy_cn

  • 基于雙ATmega128的安檢力學試驗機設計

    針對當前安檢力學試驗機所能完成的試驗種類單一、自動化程度低等問題,提出一種以ATmega128單片機為核心控制器的安檢力學試驗機的設計。詳細闡述了該安檢力學試驗機各個組成部分的設計原理和方案,并且給出了各部分的軟件設計思想和操作流程。經過大量測試試驗表明:設計的安檢力學試驗機可以完成多達十余種的力學安檢試驗,完全符合相關國家標準,并且具有數據采集精度高、傳輸速度快、操作安全簡便等特點,實現了安檢設備的多功能化、數字化和自動化。 Abstract:  Currently, many mechanical security testing machines have only one function. The degree of automation of them is low. To solve those problems, a new kind of mechanical security testing machine, using ATmega128 micro-controller as its core controller, has been advanced. It describes the components of the machine. The principles and the scheme in the designing processes are presented in detail, and the software architecture and the operation processes of each part are given. After having done many testing, we have reached the following conclusions: the mechanical security testing machine presented can do over ten mechanical security tests complying with related national standards. It has high data acquisition accuracy and high transmission speed. The operation of the machine is simple and safe. In general, this machine is a multi-functional, highly automatic, digitalized security testing device.

    標簽: ATmega 128 安檢 試驗機

    上傳時間: 2013-11-05

    上傳用戶:a67818601

亚洲欧美第一页_禁久久精品乱码_粉嫩av一区二区三区免费野_久草精品视频
久久精品国产2020观看福利| 美女免费视频一区| 久久婷婷蜜乳一本欲蜜臀| 亚洲国产成人av好男人在线观看| 国产一区二区福利| 欧美不卡三区| 欧美大秀在线观看| 国产精品美女xx| 久久久噜噜噜久久| 久久精视频免费在线久久完整在线看| 亚洲欧美日韩在线综合| 欧美在线资源| 久久亚洲一区二区| 欧美精品91| 欧美日韩中文字幕精品| 国产精品入口麻豆原神| 韩日欧美一区二区| 99国产欧美久久久精品| 亚洲一区二区三区乱码aⅴ| 午夜在线精品偷拍| 欧美激情一区二区三区不卡| 欧美小视频在线| 激情久久久久| 亚洲男同1069视频| 欧美精品激情在线| 国产一区二区高清视频| 99天天综合性| 欧美激情中文字幕在线| 韩日欧美一区二区三区| 欧美一级成年大片在线观看| 久久婷婷久久一区二区三区| 国产日韩专区| 午夜精品久久久久久久蜜桃app | 亚洲国产精品女人久久久| 欧美成人精品激情在线观看| 乱人伦精品视频在线观看| 先锋影音网一区二区| 欧美日韩国产三级| 亚洲欧洲久久| 欧美久久视频| 在线一区二区视频| 国产精品国产三级国产aⅴ入口 | 国产一区欧美日韩| 亚洲午夜精品17c| 国产精品实拍| 麻豆久久精品| 日韩视频中文字幕| 欧美日韩综合在线| 午夜精品视频一区| 国产日韩欧美自拍| 久久夜色精品国产欧美乱| 激情综合中文娱乐网| 欧美日韩精品一区二区三区四区| 日韩一区二区精品| 国产一区二区三区日韩欧美| 你懂的网址国产 欧美| 在线中文字幕不卡| 亚洲成人在线免费| 国产伦精品一区二区三区免费 | 好看不卡的中文字幕| 免费观看国产成人| 亚洲午夜一区| 亚洲高清电影| 欧美日韩一区视频| 久久精品国产综合| 在线播放不卡| 国产精品久久久久77777| 欧美亚洲一区二区在线| 国产精品久久国产愉拍 | 国产精品扒开腿爽爽爽视频| 欧美自拍偷拍| 亚洲精品在线三区| 欧美国产亚洲精品久久久8v| 一区二区黄色| 欧美中文字幕在线播放| 欧美一区二区在线免费观看| 亚洲人成网站在线观看播放| 国产精品国内视频| 你懂的视频一区二区| 午夜精品久久| 亚洲免费高清| 亚洲精品在线看| 国产婷婷一区二区| 国产精品永久在线| 欧美日韩免费一区二区三区| 欧美日本亚洲韩国国产| 久久久亚洲人| 久久激情综合| 欧美一级日韩一级| 亚洲专区欧美专区| 99国产精品国产精品毛片| 亚洲黄色高清| 亚洲二区在线视频| 99re6热只有精品免费观看| 激情综合视频| 亚洲高清不卡在线| 亚洲精品免费在线| 亚洲人成人一区二区三区| 亚洲欧美日韩成人高清在线一区| 亚洲精选一区| 久久精品视频播放| 欧美.com| 极品日韩av| 国产区精品在线观看| 国产精品欧美久久久久无广告| 欧美日韩中文另类| 国产精品嫩草影院一区二区| 欧美日韩国产精品 | 午夜伦理片一区| 亚洲尤物视频网| 一本色道**综合亚洲精品蜜桃冫| 亚洲国产成人精品久久久国产成人一区| 狠狠综合久久| 亚洲三级视频在线观看| 亚洲福利国产| 亚洲一区在线观看视频 | 欧美凹凸一区二区三区视频| 欧美激情视频网站| 亚洲欧美日韩在线综合| 亚洲国产精品福利| 一本色道婷婷久久欧美| 欧美aⅴ一区二区三区视频| 欧美黄色免费网站| 国产一区二区三区丝袜 | 国产一区二区无遮挡| 亚洲黄色免费网站| 久久福利资源站| 曰韩精品一区二区| 久久精品国产77777蜜臀| 欧美午夜电影在线观看| 亚洲乱亚洲高清| 欧美成人精品影院| 一区二区三区免费看| 欧美色另类天堂2015| 99精品热6080yy久久| 欧美日韩亚洲一区二区三区在线观看 | 国产女人aaa级久久久级| 一区二区三区视频在线看| 欧美国产一区二区| 日韩亚洲成人av在线| 欧美大尺度在线| 在线观看亚洲a| 欧美激情性爽国产精品17p| 亚洲美女诱惑| 国产精品久久久久久超碰| 欧美亚洲日本网站| 国产精品久久久久高潮| 久久人人97超碰国产公开结果| 国产麻豆午夜三级精品| 久久精品亚洲一区二区| 亚洲人成艺术| 国产噜噜噜噜噜久久久久久久久 | 欧美一区二区三区在线免费观看 | 久久99伊人| 激情视频一区二区| 欧美日韩一区二区三区四区在线观看 | 国产一区二区中文| 欧美黄色小视频| 亚洲欧美激情视频| 亚洲久久一区| 一区二区三区波多野结衣在线观看| 亚洲国产婷婷| 亚洲第一精品福利| 国产精品午夜在线| 欧美激情亚洲| 久久久久一区二区| 午夜久久久久| 亚洲免费观看高清在线观看| 一区二区视频免费在线观看| 欧美性jizz18性欧美| 欧美激情综合色综合啪啪| 欧美在线free| 欧美一区免费视频| 亚洲综合欧美| 久久精品一区四区| 午夜电影亚洲| 亚洲卡通欧美制服中文| 亚洲精品一区在线观看| 午夜在线精品偷拍| 男人的天堂亚洲| 国语自产精品视频在线看| 国产性色一区二区| 亚洲一区综合| 一区二区三区我不卡| 国产精品爽爽爽| 欧美午夜精品久久久久免费视| 欧美日韩a区| 欧美精品一区在线| 欧美99久久| 欧美一区二区性| 午夜精品久久久久久久白皮肤| 亚洲天堂成人| 亚洲理论在线观看| 亚洲男女自偷自拍图片另类| 另类专区欧美制服同性| 欧美激情精品久久久| 欧美日韩三级电影在线| 国产亚洲一二三区| 欧美日韩精品免费观看视频| 亚洲国产精品国自产拍av秋霞|