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Realized

  • It s the Naive Bayes algorithm with import function dat-files, Realized by the tools of Visual Stu

    It s the Naive Bayes algorithm with import function dat-files, Realized by the tools of Visual Studio developer system.

    標(biāo)簽: the algorithm dat-files function

    上傳時(shí)間: 2017-07-26

    上傳用戶(hù):qiaoyue

  • 通用1553B總線的信息監(jiān)控系統(tǒng)

    在航電系統(tǒng)維護(hù)過(guò)程中,為解決定位故障的效率和降低維修成本等問(wèn)題,提出了基于ICD(Interface Control Document,接口控制文件)的1553B總線的信息監(jiān)控系統(tǒng)模型。該系統(tǒng)運(yùn)用數(shù)據(jù)采集卡對(duì)總線中傳輸?shù)男盘?hào)有無(wú)失真、偏差等電氣特性進(jìn)行檢測(cè),并使用1553B通訊卡通過(guò)測(cè)控軟件LabWindows/CVI編程與ICD數(shù)據(jù)庫(kù)的動(dòng)態(tài)鏈接,實(shí)現(xiàn)總線信息的解析和故障的判斷。與傳統(tǒng)的維護(hù)過(guò)程相比,這種模型能夠從信號(hào)的電氣特性以及信息的解析等全方位的去檢測(cè)判斷故障的來(lái)源,并且能夠廣泛在其他1553B總線系統(tǒng)內(nèi)擴(kuò)展應(yīng)用。驗(yàn)證表明該監(jiān)控系統(tǒng)可以對(duì)總線信息進(jìn)行快速有效地監(jiān)測(cè)分析,能滿足應(yīng)用需求。 Abstract:  In the process of avionics system maintenance, to solve the problems such as improving the efficiency of fast orientation to troubles and reducing maintenance cost, system of 1553B bus information monitor model based on ICD was proposed. The system observed whether the data which transmitted on the bus appear distortion and deviation by using data acquisition card. And using 1553B communication card programming of the measure software LabWindows/CVI and the dynamic linking of ICD database, message analysis and fault estimation could be Realized. Compared with traditional maintenance, this model can all-dimensionally detect and analyze the source of faults from both electrical characteristics of the signal and message analysis, and it can be widely applied in the other 1553B system. Experiment shown that this monitor system can effectively detect and analyze the bus message and can meet the application requirements.  

    標(biāo)簽: 1553B 總線 信息監(jiān)控

    上傳時(shí)間: 2013-11-23

    上傳用戶(hù):18752787361

  • 基于C8051F040的以太網(wǎng)-CAN轉(zhuǎn)換電路設(shè)計(jì)

    以太網(wǎng)和CAN總線應(yīng)用廣泛,但由于其通信協(xié)議不同,兩種總線器件間無(wú)法進(jìn)行數(shù)據(jù)通信,因此,設(shè)計(jì)了基于CP2200與C8051F040的以太網(wǎng)總線與CAN總線接口轉(zhuǎn)換電路,并給出部分相關(guān)硬件電路與軟件設(shè)計(jì)分析。在保證數(shù)據(jù)完整和協(xié)議可靠的前提下,通過(guò)握手協(xié)議和簡(jiǎn)化的以太網(wǎng)協(xié)議,不僅實(shí)現(xiàn)了以太網(wǎng)數(shù)據(jù)與CAN數(shù)據(jù)的轉(zhuǎn)發(fā),同時(shí)還順利的解決了以太網(wǎng)的高速性與CAN的低速率沖突,以及兩者數(shù)據(jù)包之間的大小不同的矛盾。 Abstract:  In the development of actual application, Ethernet and CAN bus are used very extensively. Owing to its various communication protocols, the communicating between two kinds of bus device can’t be carried out. Therefore, in order to solve this problem, the Ethernet-CAN bus interface circuit based on CP2200 and C8051F040 was designed in this paper, and part of the related hardware circuit and software design analysis were given. On the condition of data’s integrity and protocols’reliability, through the handshaking protocols and the simplified the Ethernet protocol, not only the data switching between CAN and Ethernet was Realized, but also the differ in velocity and packet size was solved.

    標(biāo)簽: C8051F040 CAN 以太網(wǎng) 轉(zhuǎn)換

    上傳時(shí)間: 2013-10-15

    上傳用戶(hù):Ants

  • 基于P89V51RD2的功率因數(shù)測(cè)量?jī)x設(shè)計(jì)

    設(shè)計(jì)一種基于P89V51RD2的功率因數(shù)測(cè)量?jī)x,采用光電隔離器和專(zhuān)用數(shù)碼管驅(qū)動(dòng)器。該測(cè)量?jī)x是以增強(qiáng)型單片機(jī)P89V51RD2為核心,大大簡(jiǎn)化系統(tǒng)硬件設(shè)計(jì)。而軟件部分采用模塊化設(shè)計(jì)思想,采用中值濾波和小數(shù)補(bǔ)償算法,實(shí)現(xiàn)功率因數(shù)的高精度測(cè)量。實(shí)驗(yàn)測(cè)試表明,該功率因數(shù)測(cè)量?jī)x測(cè)量精度高,運(yùn)行穩(wěn)定可靠。 Abstract:  A power-factor measurement instrument based on P89V51RD2is designed,which uses optical coupler and specific LED drive chip.The power factor measurement instrument uses P89V51RD2as a core of which greatly simplifies the system design.Furthermore,modularization software is developed in detail.The high precision power-factor measuring system is Realized by the center value filter and fractional compensation algorithm.Experiments manifests that the power- factor measurement instrument is high precision,steady and reliable.

    標(biāo)簽: P89 89V V51 RD2

    上傳時(shí)間: 2014-12-27

    上傳用戶(hù):CHINA526

  • 基于ATmega16的標(biāo)記機(jī)控制系統(tǒng)

    介紹了當(dāng)前普通標(biāo)記機(jī)控制系統(tǒng)現(xiàn)狀及其存在缺點(diǎn),給出氣動(dòng)標(biāo)記機(jī)及相頻修正PWM模式的工作原理。采用ATmega16單片機(jī)和USB轉(zhuǎn)換RS232接口器件CH341T實(shí)現(xiàn)驅(qū)動(dòng)控制系統(tǒng)與PC的實(shí)時(shí)通訊,標(biāo)記控制系統(tǒng)可升級(jí)到USB接口。采用基于ATmega16的相頻修正PWM替換555振蕩電路產(chǎn)生的PWM,可直接通過(guò)軟件調(diào)整PWM信號(hào)。使用達(dá)林頓三極管TIP122替代直流繼電器驅(qū)動(dòng)高頻電磁閥,使得電磁閥驅(qū)動(dòng)電路簡(jiǎn)單,成本低廉。該控制系統(tǒng)已成功應(yīng)用于氣動(dòng)標(biāo)記機(jī)。 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(biāo)簽: ATmega 16 標(biāo)記 控制系統(tǒng)

    上傳時(shí)間: 2013-10-18

    上傳用戶(hù):1427796291

  • 基于AT89C52單片機(jī)的智能呼救系統(tǒng)設(shè)計(jì)

    從系統(tǒng)硬件設(shè)計(jì)和軟件構(gòu)成上,介紹一種以AT89C52單片機(jī)為核心,通過(guò)無(wú)線遙控方法實(shí)現(xiàn)對(duì)預(yù)設(shè)電話自動(dòng)撥號(hào)報(bào)警的智能呼救系統(tǒng)。系統(tǒng)提供了患者在緊急情況下無(wú)法使用電話報(bào)警時(shí)的一種報(bào)警手段。由用戶(hù)預(yù)設(shè)的多組電話號(hào)碼作為語(yǔ)音報(bào)警對(duì)象,預(yù)錄可長(zhǎng)達(dá)20 s的語(yǔ)音信號(hào)來(lái)說(shuō)明患者所處地點(diǎn)及病情,并通知患者家人。 Abstract:  This paper introduces a intelligent alarming system which is Realized by wireless remote control system.This system chiefly consists of AT89C51 the system can processor.User can input several groups of telephone number regarded as alarming objects,The system can record some information 20 seconds to tell the site of the patient.And notice the rokonok of the patient.

    標(biāo)簽: 89C C52 AT 89

    上傳時(shí)間: 2013-11-19

    上傳用戶(hù):wd450412225

  • 基于AT89C2051的溫度監(jiān)控系統(tǒng)的設(shè)計(jì)

    采用單片機(jī)AT89C2051實(shí)現(xiàn)溫度測(cè)量與控制,鍵盤(pán)和顯示電路實(shí)現(xiàn)溫度的設(shè)定、修改、清零以及當(dāng)前溫度值的顯示,并對(duì)溫度超過(guò)上下限進(jìn)行報(bào)警。闡述了該系統(tǒng)設(shè)計(jì)的硬件和軟件設(shè)計(jì)。 Abstract:  The system of temperature measuring and controling is Realized based on AT89C2051.The keyboard and display circuit is designed,which can be used for setting and modifying temperature value,resetting and displaying the present temperature value.At the same time the warning circuit is also designed in the system,which can deal with the alarm when temperature exceeds the upper limit and the lower limit.The hardware and software design of the system are explained.

    標(biāo)簽: C2051 2051 89C AT

    上傳時(shí)間: 2013-11-18

    上傳用戶(hù):leehom61

  • 基于C8051F005單片機(jī)的參數(shù)測(cè)試儀的設(shè)計(jì)

    介紹了基于單片機(jī)航空交流電參數(shù)測(cè)試儀的系統(tǒng)設(shè)計(jì)。以Silicon Labs公司的C8051F005單片機(jī)為核心設(shè)計(jì)出數(shù)據(jù)采集板,通過(guò)RS-232串口與上位機(jī)通訊。運(yùn)用Lab Windows/CVI編寫(xiě)的上位機(jī)軟件實(shí)現(xiàn)信號(hào)的檢測(cè)以及波形和數(shù)據(jù)的顯示,給出了測(cè)試儀硬件電路的組成和軟件流程圖。本系統(tǒng)具有硬件結(jié)構(gòu)簡(jiǎn)單、容易實(shí)現(xiàn)和成本低等特點(diǎn),在實(shí)際應(yīng)用中其穩(wěn)定性、精確性均能滿足客戶(hù)要求。 Abstract:  The design of aeronautics AC parameters tester based on the single-chip is introduced.The core component of data acquisition board is C8051F005 single chip of Silicon Labs Company,and communication with PC through RS-232. The signal processing software programmed with LabWindows/CVI can be used successfully to fulfill inspection of signal and display of the waveform and data. The hardware and software configuration of test instrument are provided.The hardware of the system is simple, and can be easily Realized.The stability and precision of the measurement instrument are enough to meet the requirements.

    標(biāo)簽: C8051F005 單片機(jī) 儀的設(shè)計(jì) 參數(shù)測(cè)試

    上傳時(shí)間: 2013-11-18

    上傳用戶(hù):wang5829

  • 基于MSP430F149的無(wú)線環(huán)境監(jiān)測(cè)傳感器系統(tǒng)設(shè)計(jì)

    為了提高環(huán)境參數(shù)采集的自動(dòng)化水平,提升效率,設(shè)計(jì)了無(wú)線傳感器系統(tǒng)。本系統(tǒng)運(yùn)用了傳感器技術(shù)、通信技術(shù)和單片機(jī)技術(shù),實(shí)現(xiàn)了對(duì)環(huán)境溫度、濕度、光照度以及可燃性氣體濃度等參數(shù)的檢測(cè)。它能夠?qū)崟r(shí)地與上位機(jī)進(jìn)行無(wú)線通信,滿足對(duì)環(huán)境參數(shù)實(shí)時(shí)監(jiān)測(cè)的要求。 Abstract:  In order to increase the degree of automation and improve the efficiency of the environment monitoring parameters,the wireless sensor system was developed.Combining with the technique of sensor,automatic monitoring,communication and single-chip microcomputer,it Realized real-time monitoring environment parameters,such as temperature,humidity,illumination,concentration of com- bustible gas and so on.At the same time it can communicate with upper personal computers,satisfy the desire of real-time monitoring.

    標(biāo)簽: 430F F149 MSP 430

    上傳時(shí)間: 2013-11-22

    上傳用戶(hù):longlong12345678

  • 基于以太網(wǎng)分布式的數(shù)據(jù)采集控制系統(tǒng)

    針對(duì)飛行模擬器座艙數(shù)據(jù)采集的復(fù)雜性,設(shè)計(jì)了一種基于以太網(wǎng)分布式的數(shù)據(jù)采集控制系統(tǒng),該系統(tǒng)是RCM5700微處理器模塊上的以太網(wǎng)應(yīng)用。在系統(tǒng)的基礎(chǔ)上具體討論了PoE技術(shù)的應(yīng)用,在傳輸數(shù)據(jù)的網(wǎng)線上同時(shí)提供電流,提出并實(shí)現(xiàn)了一種包括輔助電源在內(nèi)的完整可靠的PoE供電方案。設(shè)計(jì)采用美國(guó)國(guó)家半導(dǎo)體的LM5073和LM5576并根據(jù)不同的負(fù)載情況,進(jìn)行穩(wěn)定可靠的電壓轉(zhuǎn)換,以滿足數(shù)據(jù)采集電路的要求。實(shí)驗(yàn)結(jié)果表明:該設(shè)計(jì)穩(wěn)定可靠,滿足低于13 W的采集節(jié)點(diǎn)供電要求,提高了模擬器信號(hào)采集系統(tǒng)的通用性和標(biāo)準(zhǔn)化程度,避免了以往數(shù)據(jù)采集節(jié)點(diǎn)單獨(dú)繁瑣的電源設(shè)計(jì)。 Abstract:  Aiming at the complexity of large avion simulation and controlling,the simulator cabin distribute data collecting and control system was designed. This system is the application of RCM5700 on Ethernet. Based on this system,PoE technique that makes Ethernet can also provide power were expounded with emphasis and included FAUX design the PoE resolution was Realized. To achieve the requirement of this system,LM5073 and LM5576 were used to DC-DC switch. From the data of experiment,the design filled the requirement of power-need of node whose power was lower than 13W. The application of the technique can advance the degree of simulation data collections currency and standardization and avoid designing additional power system.

    標(biāo)簽: 以太網(wǎng) 分布式 數(shù)據(jù)采集 控制系統(tǒng)

    上傳時(shí)間: 2013-11-09

    上傳用戶(hù):xyipie

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