外文翻譯---基于rfid技術(shù)的卷煙分揀系統(tǒng)的設(shè)計(jì)

1、<p>　　附錄 B 參考英文文獻(xiàn)</p><p>　　Design of a Cigarette Sorting System Based on RFID Technology</p><p>　　Leizhang, Weixing Su, Kunyuan Hu, Lianbo Ma </p><p>　　Key Laboratory of Indust

2、rial Informatics </p><p>　　Shenyang Institute of Automation, Chinese Academy of Sciences </p><p>　　Shenyang 110016, China </p><p><b>　　Abstract</b></p><p>

3、　　This paper presents a design method to solve the problems of high failure rate and sorting inefficience in the current cigarette sorting system by integrating RFID technology with CAN BUS. Based on the features of high

4、 speed of data transmission, real-time and high reliability, CAN BUS intelligent node is designed. RFID technology enhances the speed and efficiency of cigarette identification. Meanwhile, using the LCD touch-screen and

5、MCGS configuration software, the HMI operation is promoted and</p><p>　　Keywords RFID; CAN BUS; configuration software; AVR MCU I.INTRODUCTION</p><p>　　The cigarette sorting system is the core o

6、f the logistics and distribution. Every modern logistics distribution center depends on the sorting technology and it’s method. Constructing an advanced sorting system with effective throughput can not only save tens, hu

7、ndreds or even tens of millions of cost, but also improve efficiency, significantly reducing the labor intensity of the workers.</p><p>　　Traditional cigarette sorting system collects data by barcode with a

8、low-cost, easy to read and reproduce. However, the bar code and optical scanning are easily affected by dust, oil and other pollutions in the sorting field, and traditional data transmission of sorting system is use of R

9、S485 bus with the advantage of multi-node support, far distance and highly receiving sensitivity. RS485 bus constitutes the network of single master. The equipment mutual communication can be achieved by the mas</p>

10、;<p>　　In our work, we introduce RFID technology to replace bar code identification. RFID system is not influenced by dust, humidity, oil, coolant, mining and toxic gases in the production environment. Compared wi

11、th bar code identification, RFID is a contactless technology that allows objects to be scanned and identified without visual or physical . More importantly, the tag data is not only read by RFID readers, but also can be

12、written time and again. Currently the cost of RFID tag is gradually reduce</p><p>　　Furthermore, the traditional RS485 bus is replaced by High-speed CAN bus which provides a multi-master hierarchy, broadcast

13、 communication, sophisticated error detecting mechanisms and re-transmission of faulty messages . These feathers allow building intelligent and redundant systems ,which guarantee data integrity and real-time data transmi

14、ssion.</p><p>　　With the deployment of RFID middleware and ERP/SCM software platform, the ultimate goal of integration of the tobacco supply chain logistics enterprise system will be achieved.</p><

15、;p>　　II. SYSTEM ARCHITECTURE DESIGN</p><p>　　There are 50 sorting positions in our system. As a distribution unit, each position corresponds to a cigarette brand. The RF tag is attached to a tray, which h

16、as a unique ID to descript some information of cigarette in details. When the tray moves to a sorting position, RF antenna reads RF tags and collects information to display on LCD. The worker then supplies the cigarettes

17、 under the guidance of LCD.</p><p>　　The system is composed of the upper machine and lower machine. In upper machine system, MCGS configuration software configures the CANBUS devices, RFID readers and PLC et

18、c. MCGS is a kind of general software for industrial process control and real-time monitoring service, characterized by improved functions, easy to operate and good . RFID readers retrieve the information from the RF tag

19、 by antenna array near the conveyer. RFID middleware/driver completes the data processing and sends data to MC</p><p>　　monitoring platform. ZLG_PCI9810 intelligent CAN card with standard PCI interface, impl

20、ementing CAN2.0B protocol, establishes the connections with MCGS configuration software by ZOPC_Server (Based on CAN-BUS general OPC Server. ZOPC_Server is a kind of OPC server that supports all kinds of ZLG CAN cards. A

21、ny client (e.g. KingView, MCGS, Intouch, etc ) that supports OPC protocol can connect ZOPC_Server. It is a bridge that implements the data transmission between CAN card and configuration softwa</p><p>　　Lowe

22、r machine system is constituted of CAN intelligent nodes and LCD touch screens. CAN intelligent nodes receive the tag data from CAN bus and display it on LCD. The workers check against and send commands by touching LCD s

23、creen. System architecture is shown in Fig.1.</p><p>　　Figure 1 System architecture</p><p>　　III DESIGN OF SOFTWARE</p><p>　　Communication protocol</p><p>　　The CAN spe

24、cification consists of two parts, CAN 2.0Aand CAN2.0B. Stand-alone CAN controller SJA1000 supports both protocols. CAN2.0B provides more powerful error handling capabilities, enhanced acceptance filter and flexible handl

25、ing of data package. CAN2.0B includes two different frames: standard frame and extended. The former is defined by 11 identifier bits and the latter is defined by 29 identifier bits. Extended frame is 2 bytes more than st

26、andard frame, so it will advantage the flexibilit</p><p>　　As data needs to be sent from the corresponding antenna to the corresponding work position, the allocation of 29 identifier bits is most important.

27、Identifier can only identify the network equipment and it’s location in the CAN bus.</p><p>　　On the requirements of our communication, we design the protocol below, and each node in the CAN bus transmits in

28、formation according to the protocol. The protocol is defined as “ID + commands + data”. ID is the identifier of the network nodes, defined as ID18-ID0 (19 bits). ID28 is for direction (DIR), ID27-ID24 identifies RFID rea

29、ders, ID23-ID22 identifies antenna, ID21-ID19 identifies data type.ID28-ID19 doesn’t participate in the acceptance filter. Data indicates the specific content of commu</p><p>　　TABLE I. THE FRAME FORMAT OF C

30、OMMUNICATION PROTOCOLS</p><p>　　◎ DIR: DIR decides a half of message priority during bus access, and the remaining priority is defined by nodes address. The lower address has higher priority. When DIR is “1”

31、, address field is target node address (from master to slaver); when DIR is “0”, address field is source node address (from slaver to master). </p><p>　　◎RFID Reader/ Antenna: Each Sense1824 reader equips 4

32、 antennas. There are about 13 readers in our system. So 4 bits is used to identify RFID readers and 2 bits is used to identify antennas.</p><p>　　◎Data Type: The format of data type is shown in Table 2 .<

33、/p><p>　　TABLE 2. FUNCTIONAL DEFINITION OF DATA TYPE</p><p>　　◎Address: ID18-ID0 participates in the acceptance filter, which identifies 50 working positions.</p><p>　　◎DLC: Data lengt

34、h (1-8).</p><p>　　◎Data: the contents of packages.</p><p>　　B. Development of RFID reader’s driver</p><p>　　MCGS implements the device driver by Active DLL, integrating with the sta

35、ndard OLE interface. Because the device driver and MCGS are running in the same process, the device module achieves the good running and higher reliability, and avoids sluggish data flow and transmission by DDE (Dynamic

36、Data Exchange). Meanwhile, OLE is an expandable standard for achieving interoperability, regardless of what programming language is. Therefore, so long as it compliances with the standard of MCGS interface, </p>&

37、lt;p>　　MCGS divides the actual equipment into 3 parts: independent equipment, father equipment and son equipment. Independent equipment works independently and accomplishes specific data I/O functions; father equipmen

38、t itself doesn’t handle data I/O, but manages other equipment, such as serial equipment, IDCN-893 communication card, etc; son equipment has the function of handling data I/O, but works depending on corresponding father

39、equipment . RFID reader, Sense-1824, as a son equipment, communicates </p><p>　　Our main work focuses on the operating the serial port when developing the RFID reader driver. MCGS encapsules the complex seri

40、al port setup, initialization and operation of reading/writing into the serial communication father equipment, therefore, we can evoke standard serial functions provided by father equipment to develop the son equipment d

41、river.</p><p>　　The flow chat that RFID reader collects more tags data is given in Fig. 2.</p><p>　　The API functions are described as follows: </p><p>　　ScsAntennaReceive：Select a

42、receiving antenna. </p><p>　　ScsAntennaTransmit：Select a sending antenna. </p><p>　　SaharaListStart：Start the reading tag process.</p><p>　　SaharaListReport：Get tag’s data from read

43、ers. </p><p>　　SaharaListEnd ：End the read tag process and turn</p><p>　　microwave power off.</p><p>　　Figure 2 RFID reader flow chat</p><p>　　C. The interface of upper

44、 machine software</p><p>　　Upper machine software has been implemented by MCGS 5.5, Visual Basic 6.0 and SQL Server2000. The interface of upper machine software is shown in fig. 3. It consists of equipment d

45、river module, data access module, data analysis and processing module, front monitor module and database module. MCGS configuration software manages hardware, schedule processing and also controls the data stream. Depend

46、ing on the abundant resources of MCGS, some complex functions, such as statistics, reports and phoni</p><p>　　Figure 3 The interface of upper machine software</p><p>　　IV. HARDWARE DESIGN OF CAN

47、 INTELLIGENT NODE</p><p>　　ATMEGA128 from ATMEL company is adopted as MCU. SJA1000, P82C250 constitute the CAN communication interface. Stand-alone CAN controller SJA1000 has two kinds of mode: Basic CAN and

48、. P82C250 is a kind of CAN bus transceiver, with as low as 5Kbps to work to meet the requirements of long distant transmission. The hardware design of node is shown in Fig. 4.</p><p>　　Figure 4 Hardware desi

49、gn of CAN intelligent node</p><p>　　RFID antenna array is employed in the field environment. Therefore, there are s7rong electromagnetic interferences. To enhance the anti-jamming of CAN bus, the pin TX0 and

50、 RX0 connect the P82C250 through the high-speed optical couplers 6N137. In this way, electrical isolation between nodes can be achieved. It improves the stability and security of the node at a low risk to increase the co

51、mplexity. YD-811ARM color display, built-in vector fonts, lattice fonts and standard instructions sets, conne</p><p>　　V. CONCLUSION</p><p>　　This paper presents a new design strategy of cigaret

52、te sorting system with large data throughput, strong anti-interference and tolerant capability by combining RFID technology with CAN bus. With the function of monitoring and error diagnosis of MCGS, it makes configuratio

53、n more flexibleand easy to maintain. Through the use of LCD touch screen, it simples the operation processes and enhances sorting efficiency and accuracy. Experiments show the design is satisfied with the sorting accurac

54、y requir</p><p>　　ACKNOWLEDGMENT</p><p>　　This work is supported by Foundations of National “863” High Technology Project of China(NO.2006AA04A117,NO.2006AA04A124).</p><p>　　REFEREN

55、CES</p><p>　　[1] Zhuang, Y., Gui, X., Wang, B., Ba, Y.. Analysis and Designing of the Supply Chain System of the Tebacco Sales Enterprises, Journal of Kunming University of Science and Technology (Science

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59、Server and its Realization in the </p><p>　　CAN Fieldbus, Control&Automation, (11)(2003).</p><p>　　[7] CAN Specification Version 2.0, Robert Bosch, 1991.</p><p>　　[8] Yang,

60、Y. Design of Driver for Serial Communication in Net Formed by </p><p>　　Intellectual Flow Totalizers Based on MCGS, Instrument Technique and </p><p>　　Sensor, (9)(2004).</p><p>　　[9

61、] SJA1000 Stand_alone CAN Controller., PHILIPS DATA SHEET, 2000.</p><p>　　附錄C 英文參考文獻(xiàn)（翻譯）</p><p>　　基于RFID技術(shù)的卷煙分揀系統(tǒng)的設(shè)計(jì)</p><p>　　張磊，蘇衛(wèi)星，胡坤元，馬連播工業(yè)信息重點(diǎn)實(shí)驗(yàn)室 沈陽(yáng)自動(dòng)化研究所，中國(guó)科學(xué)院沈陽(yáng)11001

62、6，中國(guó)</p><p><b>　　摘要</b></p><p>　　本文介紹的設(shè)計(jì)方法解決了基于結(jié)合了CAN智能節(jié)點(diǎn)設(shè)計(jì)的RFID技術(shù)的卷煙分揀系統(tǒng)的高失敗率和排序無(wú)效的問(wèn)題?；诟咚贁?shù)據(jù)的特點(diǎn)傳輸，實(shí)時(shí)性和高可靠性對(duì)CAN總線智能節(jié)點(diǎn)進(jìn)行了設(shè)計(jì)。 RFID技術(shù)提高了卷煙鑒定的速度和效率。同時(shí)通過(guò)使用液晶觸摸屏和MCGS組態(tài)軟件，人機(jī)界面操作得以在可視化的監(jiān)控處理

63、下快速完成。</p><p>　　關(guān)鍵詞 RFID;CAN BUS; 組態(tài)軟件; AVR單片機(jī)</p><p><b>　　一、導(dǎo)言</b></p><p>　　卷煙分揀系統(tǒng)是物流配送的核心。每一個(gè)現(xiàn)代物流配送中心分揀技術(shù)依賴于它的方法。構(gòu)建一個(gè)有效吞吐量先進(jìn)的分揀系統(tǒng)不僅可以節(jié)省幾十，幾百甚至上千萬(wàn)的成本，而且可以提高效率，大大降低了工人的勞

64、動(dòng)強(qiáng)度。</p><p>　　傳統(tǒng)的卷煙分揀系統(tǒng)通過(guò)條形碼收集的低成本代碼數(shù)據(jù)，便于閱讀和復(fù)制。然而，條形碼和光學(xué)掃描很容易被灰塵、油污和其他污染的排序字段影響，而且傳統(tǒng)的數(shù)據(jù)傳輸是利用分揀系統(tǒng)的RS485總線的多節(jié)點(diǎn)支持獲得距離遠(yuǎn)和高接收靈敏度的優(yōu)勢(shì)的。RS485總線構(gòu)成的單一主機(jī)的網(wǎng)絡(luò)。該設(shè)備可以實(shí)現(xiàn)相互溝通的主節(jié)點(diǎn)。因此，在渴望得到通信的節(jié)點(diǎn)之間出現(xiàn)了較低的吞吐量，實(shí)時(shí)性差，時(shí)間和高度的通信困難等問(wèn)題。&l

65、t;/p><p>　　在本文中，我們介紹了RFID技術(shù)以取代條碼識(shí)別。RFID系統(tǒng)在工作花鏡中是不會(huì)受沒(méi)有防塵，防潮油，冷卻液等防護(hù)措施和有毒氣體的影響的。與條形碼識(shí)別相比，RFID是一種非接觸式技術(shù)，允許對(duì)象進(jìn)行掃描，并沒(méi)有視覺(jué)或身體接確定。更重要的是，標(biāo)簽數(shù)據(jù)不僅RFID閱讀器讀取，也可以寫(xiě)一次又一次。目前RFID標(biāo)簽的成本逐漸降低，標(biāo)簽，它綁在香煙盒可重復(fù)使用。它進(jìn)一步降低了系統(tǒng)成本。</p>&

66、lt;p>　　此外，取代傳統(tǒng)的RS485總線的是提供了一個(gè)多層次的，廣播通訊的，擁有精密的錯(cuò)誤檢測(cè)機(jī)制，并可以重新傳輸錯(cuò)誤信息的高速CAN總線。這些進(jìn)一步的措施使智能化的、保證數(shù)據(jù)的完整性和實(shí)時(shí)數(shù)據(jù)傳輸?shù)娜哂嘞到y(tǒng)的構(gòu)建得以實(shí)現(xiàn)。</p><p>　　隨著RFID中間件和ERP / SCM軟件平臺(tái)的部署，在煙草供應(yīng)鏈的物流企業(yè)系統(tǒng)整合的最終目標(biāo)將得以實(shí)現(xiàn)。</p><p><b&

67、gt;　　二、系統(tǒng)構(gòu)架設(shè)計(jì)</b></p><p>　　在我們的系統(tǒng)中有50個(gè)分類(lèi)位置。作為經(jīng)銷(xiāo)單位，每個(gè)位置對(duì)應(yīng)一個(gè)香煙品牌。該射頻標(biāo)簽附加到一個(gè)托盤(pán)，它有一個(gè)唯一的ID來(lái)描述一些卷煙的細(xì)節(jié)信息。當(dāng)托盤(pán)位置移動(dòng)到一個(gè)設(shè)定的位置時(shí)射頻天線讀取射頻標(biāo)簽，并收集資料，顯示在液晶顯示屏上。然后工人根據(jù)這些指示信息對(duì)香煙進(jìn)行相關(guān)操作。</p><p>　　該系統(tǒng)由上位機(jī)系統(tǒng)和下位機(jī)系統(tǒng)

68、構(gòu)成。在上位機(jī)系統(tǒng)，MCGS組態(tài)軟件配置的電控系統(tǒng)設(shè)備，RFID讀取器和PLC等MCGS組態(tài)軟件是為工業(yè)過(guò)程控制和實(shí)時(shí)監(jiān)控服務(wù)的。MCGS是一種操作更加方便和具有良好的可視化的通用軟。RFID讀寫(xiě)器檢索來(lái)自附近的天線陣列輸送機(jī)射頻標(biāo)簽的信息。RFID中間件/驅(qū)動(dòng)程序完成數(shù)據(jù)處理和數(shù)據(jù)發(fā)送到MCGS的監(jiān)控平臺(tái)。配置有標(biāo)準(zhǔn)PCI接口的ZLG_PCI9810智能CAN卡借助CAN2.0B協(xié)議，建立與基于MCGS組態(tài)軟件的ZOPC_Server

69、（基于CAN總線的OPC服務(wù)器的一般計(jì)算的連接。ZOPC_Server是一種支持所有CAN卡的OPC服務(wù)器。任何客戶端（如KingView，MCGS，Intouch，等等）只要支持OPC協(xié)議即可連接ZOPC_Server。它是一座橋，它實(shí)現(xiàn)了CAN卡之間的數(shù)據(jù)傳輸和配置軟件。</p><p>　　下位機(jī)系統(tǒng)由CAN智能節(jié)點(diǎn)和液晶觸摸屏組成。CAN智能節(jié)點(diǎn)的CAN總線接收來(lái)自標(biāo)簽的數(shù)據(jù)并顯示在LCD上它。工人核對(duì)和

70、發(fā)送通過(guò)觸摸液晶屏的命令。系統(tǒng)架構(gòu)如圖1所示。</p><p><b>　　圖1 系統(tǒng)架構(gòu)</b></p><p><b>　　三、軟件設(shè)計(jì)</b></p><p><b>　　A.通訊協(xié)議</b></p><p>　　CAN規(guī)范由兩部分組成，CAN2.0A和CAN2.0B。獨(dú)

71、立CAN控制器SJA1000支持這兩種協(xié)議。CAN2.0B通過(guò)增強(qiáng)接收過(guò)濾器和靈活的數(shù)據(jù)包處理來(lái)提供更強(qiáng)大的錯(cuò)誤處理功能。CAN2.0B包括兩個(gè)不同的框架：標(biāo)準(zhǔn)幀和擴(kuò)展。前者是指由11位標(biāo)識(shí)符，而后者則是由29位定義的標(biāo)識(shí)符。擴(kuò)展幀為2個(gè)字節(jié)，比標(biāo)準(zhǔn)幀要高，因此它將在協(xié)議靈活性，可靠性以及擴(kuò)充方面更具優(yōu)勢(shì)。</p><p>　　當(dāng)數(shù)據(jù)需要從相應(yīng)的天線發(fā)送到相應(yīng)的工作崗位，29位標(biāo)識(shí)符的分配是最重要的。標(biāo)識(shí)符只能識(shí)

72、別網(wǎng)絡(luò)設(shè)備和它在CAN總線上的位置。</p><p>　　根據(jù)我國(guó)通信的要求，我們?cè)O(shè)計(jì)了以下協(xié)議，并根據(jù)該議定書(shū)為CAN總線上的每個(gè)節(jié)點(diǎn)的傳輸信息。該協(xié)議被定義為“身份證+命令+數(shù)據(jù)”。ID是標(biāo)識(shí)的網(wǎng)絡(luò)節(jié)點(diǎn)，定義為ID18- ID0（19位）。ID28為方向（DIR），ID27- ID24識(shí)別RFID讀寫(xiě)器，ID23- ID22識(shí)別天線，ID21- ID19標(biāo)識(shí)數(shù)據(jù)type.ID28- ID19不參加驗(yàn)收濾波器。

73、數(shù)據(jù)顯示了通信的具體內(nèi)容。該協(xié)議的幀格式見(jiàn)表1</p><p>　　表一 通信協(xié)議的幀格式</p><p>　　·DIR：DIR決定在總線訪問(wèn)的消息優(yōu)先級(jí)的一半，剩下的優(yōu)先權(quán)由節(jié)點(diǎn)地址定義。低地址的優(yōu)先級(jí)更高。當(dāng)DIR是“1”，地址字段是目標(biāo)節(jié)點(diǎn)地址（從主機(jī)到客戶端），當(dāng)DIR是“0”，地址字段是源節(jié)點(diǎn)的地址（從客戶端到主機(jī)）。</p><p>　　

74、83;RFID閱讀器/天線：每個(gè)Sense1824閱讀器裝備4根天線。在我們的系統(tǒng)的大約有13個(gè)閱讀器。因此，4位是用來(lái)識(shí)別RFID讀寫(xiě)器和2位是用來(lái)識(shí)別天線。</p><p>　　·數(shù)據(jù)類(lèi)型：數(shù)據(jù)類(lèi)型的格式顯示在表二。</p><p>　　表二 定義的數(shù)據(jù)類(lèi)型</p><p>　　地址：ID18- ID0參加了驗(yàn)收濾波器，其中確定50個(gè)工作職位。<

75、/p><p>　　DLC:數(shù)據(jù)長(zhǎng)度（1-8）。</p><p><b>　　數(shù)據(jù)：包的內(nèi)容。</b></p><p>　　B.RFID閱讀器的驅(qū)動(dòng)程序開(kāi)發(fā)</p><p>　　MCGS組態(tài)軟件實(shí)現(xiàn)了Active DLL的設(shè)備驅(qū)動(dòng)程序，并與標(biāo)準(zhǔn)的OLE接口集成。因?yàn)樵O(shè)備驅(qū)動(dòng)程序與MCGS在同一進(jìn)程中運(yùn)行，設(shè)備模塊實(shí)現(xiàn)了良好的運(yùn)

76、行和較高的可靠性，避免呆滯的數(shù)據(jù)流和利用DDE（動(dòng)態(tài)數(shù)據(jù)交換）的傳輸。同時(shí)，OLE是一個(gè)實(shí)現(xiàn)互操作性、無(wú)論什么編程語(yǔ)言是可擴(kuò)展的標(biāo)準(zhǔn)。因此，只要遵從MCGS，VB中，VC，Delphi等標(biāo)準(zhǔn)I就可以實(shí)現(xiàn)MCGS的設(shè)備驅(qū)動(dòng)程序。</p><p>　　MCGS的分成3部分實(shí)際設(shè)備：獨(dú)立的設(shè)備，父設(shè)備和子的設(shè)備。獨(dú)立設(shè)備獨(dú)立工作，并完成I / O功能的具體數(shù)據(jù);父設(shè)備本身不處理數(shù)據(jù)I/ O，但管理其他設(shè)備，如串行設(shè)備，

77、IDCN- 893通信卡等;子裝備具有數(shù)據(jù)處理功能的I / O，但是依據(jù)相應(yīng)的父親設(shè)備來(lái)工作 。RFID讀寫(xiě)器，Sense-1824作為一個(gè)子設(shè)備，通信與MCGS的父設(shè)備通過(guò)串行通信設(shè)備的配置軟件。</p><p>　　我們的主要工作重點(diǎn)是經(jīng)營(yíng)串口在開(kāi)發(fā)RFID讀寫(xiě)器的驅(qū)動(dòng)程序。MCGS囊括了復(fù)雜的串行端口設(shè)置，初始化和父設(shè)備到串行通信設(shè)備的操作，因此，我們通過(guò)父設(shè)備提供的一系列標(biāo)準(zhǔn)操作來(lái)開(kāi)發(fā)子的設(shè)備驅(qū)動(dòng)程序。&

78、lt;/p><p>　　RFID讀寫(xiě)器通過(guò)圖2提供的數(shù)據(jù)收集更多的標(biāo)簽。</p><p>　　API函數(shù)被描述如下：</p><p>　　ScsAntennaReceive：選擇一個(gè)接收天線。</p><p>　　ScsAntennaTransmit：選擇發(fā)射天線。</p><p>　　SaharaListStar：開(kāi)始

79、閱讀標(biāo)簽的過(guò)程。</p><p>　　SaharaListReport：從讀者標(biāo)簽的數(shù)據(jù)。</p><p>　　SaharaListEnd：結(jié)束讀標(biāo)簽的過(guò)程并關(guān)掉微波電源。</p><p>　　圖2RFID閱讀器流程圖</p><p><b>　　C.上位機(jī)軟件界面</b></p><p>　　上

80、位機(jī)軟件包括MCGS 5.5、Visual Basic6.0和SQL Server2000。上位機(jī)軟件的界面如圖3。它包括設(shè)備驅(qū)動(dòng)模塊，數(shù)據(jù)訪問(wèn)模塊，數(shù)據(jù)分析和處理模塊，監(jiān)控模塊和數(shù)據(jù)庫(kù)的前端模塊。MCGS組態(tài)軟件的管理硬件，安排處理，并控制數(shù)據(jù)流。對(duì)MCGS的豐富的資源，一些復(fù)雜的功能，如統(tǒng)計(jì)，報(bào)告和語(yǔ)音警告，根據(jù)等，可以很容易地實(shí)現(xiàn)。</p><p><b>　　圖3上位機(jī)軟件界面</b>

81、;</p><p>　　四、CAN智能節(jié)點(diǎn)的硬件設(shè)計(jì)</p><p>　　采用Atmel公司的ATmega128作為微控制器。SJA1000、P82C250構(gòu)成CAN通信接口。獨(dú)立CAN控制器SJA1000有兩種模式：BasicCAN和。P82C250是一種工作速率低于5Kbps 的CAN總線收發(fā)器，工作滿足遠(yuǎn)距離傳輸?shù)囊?。?jié)點(diǎn)的硬件設(shè)計(jì)圖4所示。</p><p>

82、;　　圖4 CAN智能節(jié)點(diǎn)的硬件設(shè)計(jì)</p><p><b>　　五、總結(jié)</b></p><p>　　RFID天線陣列受限于相關(guān)環(huán)境，因此有較強(qiáng)的電磁干擾。為了加強(qiáng)CAN總線的反干擾能力，引腳TX0和RX0通過(guò)高速光纖耦合器將6N137和連接在一起 P82C250。通過(guò)這種方式，節(jié)點(diǎn)之間可以實(shí)現(xiàn)電氣隔離。它提高了節(jié)點(diǎn)的穩(wěn)定性和低風(fēng)險(xiǎn)的安全性，增加了復(fù)雜性。YD-81

83、1ARM彩色顯示屏，內(nèi)置的矢量字體，點(diǎn)陣字體，標(biāo)準(zhǔn)指令設(shè)置器都平行連接于MCU。使用命令設(shè)置避免了繁瑣的命令集格的運(yùn)作。四線觸摸屏通過(guò)RS232與CAN節(jié)點(diǎn)進(jìn)行通信。</p><p>　　RFID天線陣列受限于相關(guān)環(huán)境，因此有較強(qiáng)的電磁干擾。為了加強(qiáng)CAN總線的反干擾能力，引腳TX0和RX0通過(guò)高速光纖耦合器將6N137和連接在一起 P82C250。通過(guò)這種方式，節(jié)點(diǎn)之間可以實(shí)現(xiàn)電氣隔離。它提高了節(jié)點(diǎn)的穩(wěn)定性和低

84、風(fēng)險(xiǎn)的安全性，增加了復(fù)雜性。YD-811ARM彩色顯示屏，內(nèi)置的矢量字體，點(diǎn)陣字體，標(biāo)準(zhǔn)指令設(shè)置器都平行連接于MCU。使用命令設(shè)置避免了繁瑣的命令集格的運(yùn)作。四線觸摸屏通過(guò)RS232與CAN節(jié)點(diǎn)進(jìn)行通信。</p><p><b>　　感謝</b></p><p>　　這項(xiàng)工作是由國(guó)家基金會(huì)支持的“863” 中國(guó)高技術(shù)（NO.2006AA04</p>&l

85、t;p>　　117，NO.2006AA04A124）。</p><p><b>　　參考文獻(xiàn)</b></p><p>　　[1] 莊華桂. 王乙十. 華鋇. 企業(yè)的Tebacco銷(xiāo)售系統(tǒng)供應(yīng)鏈的分析與設(shè)計(jì). 雜志昆明理工大學(xué)和蕪湖（科技）. 29（03）（2004）114-118</p><p>　　[2] 范. RS485總線與CA

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87、技術(shù)和工藝. 06（2000）10-11.</p><p>　　[6] 富三段. OPC服務(wù)器的研究和它在CAN現(xiàn)場(chǎng)總線的實(shí)現(xiàn). 控制與自動(dòng)化. （11）（2003年）.</p><p>　　[7] 羅伯特博士. CAN規(guī)范版本2.0. 1991年.</p><p>　　[8] 楊在華. 基于MCGS知識(shí)分子流的串行通信網(wǎng)絡(luò)的驅(qū)動(dòng)程序設(shè)計(jì)，儀表技術(shù)與基于累加