本文選題：現(xiàn)場CAN總線 + TCP/IP協(xié)議�。� 參考：《哈爾濱工程大學(xué)》2016年碩士論文

【摘要】：CAN總線技術(shù)在工業(yè)領(lǐng)域已應(yīng)用了幾十年,對于日益復(fù)雜化的工業(yè)環(huán)境和不斷發(fā)展的分布式技術(shù),對遠(yuǎn)程監(jiān)控設(shè)備和數(shù)據(jù)集總的要求將更加嚴(yán)格。因經(jīng)典TCP/IP網(wǎng)絡(luò)協(xié)議具有層次完整性,通信效率高,安全性強(qiáng),對不同傳輸介質(zhì)適應(yīng)性強(qiáng)等特點(diǎn),已廣泛應(yīng)用于工業(yè)現(xiàn)場總線設(shè)備之間互聯(lián)�，F(xiàn)在百兆網(wǎng)已不能滿足現(xiàn)在人們對網(wǎng)絡(luò)速度的要求,而千兆網(wǎng)技術(shù)日臻完善,已大范圍應(yīng)用。將千兆以太網(wǎng)技術(shù)和工業(yè)控制相結(jié)合,能更快完成對工業(yè)現(xiàn)場設(shè)備的分布化、智能化控制的管理,從而實(shí)現(xiàn)從生產(chǎn)到設(shè)備管理的全面檢測。將工業(yè)現(xiàn)場總線協(xié)議和千兆以太網(wǎng)協(xié)議進(jìn)行轉(zhuǎn)換,完成數(shù)據(jù)的共享已成為目前研究的熱點(diǎn)問題。本文基于此發(fā)展趨勢,設(shè)計(jì)和完成了千兆網(wǎng)和CAN總線的協(xié)議轉(zhuǎn)換,完成了信息共享。本設(shè)計(jì)以CAN總線協(xié)議、TCP/IP協(xié)議以及嵌入式理論和操作系統(tǒng)原理為技術(shù)支撐,以ARM9S3C2440為系統(tǒng)的核心控制器,設(shè)計(jì)了一種基于VxWorks操作系統(tǒng)的千兆網(wǎng)冗余網(wǎng)關(guān)模塊。本設(shè)計(jì)主控芯片選擇具有豐富外設(shè)接口的ARM9 S3C2440芯片,并在其上移植了VxWorks系統(tǒng),SPI總線擴(kuò)展CAN模塊電路。千兆網(wǎng)硬件模塊電路中選用亞信公司的AX88180作為千兆以太網(wǎng)控制芯片、選用Marvell公司的M88E1111作為千兆網(wǎng)PHY芯片。兩者有效互聯(lián)實(shí)現(xiàn)千兆網(wǎng)底層硬件的設(shè)計(jì)。通過總線形式外擴(kuò)千兆網(wǎng)模塊電路,MCP2515作為SPI總線外部擴(kuò)展CAN控制器,CAN收發(fā)器選用周立功公司的CTM8250,外圍設(shè)計(jì)了電源電路,HJTAG電路,RTC電路等。在設(shè)計(jì)過程中,完成兩路CAN總線和雙路千兆以太網(wǎng)電路的設(shè)計(jì)。軟件設(shè)計(jì),在應(yīng)用層上實(shí)現(xiàn)千兆網(wǎng)絡(luò)和CAN網(wǎng)絡(luò)的互通,實(shí)現(xiàn)TCP/IP和CAN總線協(xié)議的轉(zhuǎn)換,在功能上附加了在線參數(shù)設(shè)置,故障檢測等功能。經(jīng)調(diào)試后,千兆冗余網(wǎng)關(guān)模塊能夠?qū)崿F(xiàn)CAN與TCP/IP協(xié)議的轉(zhuǎn)換,完成設(shè)計(jì)初期的技術(shù)要求,系統(tǒng)穩(wěn)定運(yùn)行,應(yīng)用前景廣闊。
[Abstract]:CAN bus technology has been applied in industrial field for several decades. For the increasingly complicated industrial environment and developing distributed technology, the overall requirements of remote monitoring equipment and data set will be more stringent. The classical TCP/IP network protocol has been widely used in industrial fieldbus devices because of its advantages of hierarchical integrity, high communication efficiency, strong security and adaptability to different transmission media. Nowadays, the 100m network can not meet the requirement of network speed, and the technology of Gigabit network is becoming more and more perfect, and it has been widely used. By combining gigabit Ethernet technology with industrial control, the distributed and intelligent control management of industrial field equipment can be completed more quickly, and the overall inspection from production to equipment management can be realized. The conversion of industrial fieldbus protocol and gigabit Ethernet protocol to complete data sharing has become a hot issue. Based on this development trend, the protocol conversion between gigabit network and CAN bus is designed and completed, and information sharing is completed. Based on CAN bus protocol, TCP / IP protocol, embedded theory and operating system principle, and ARM9S3C2440 as the core controller of the system, a gigabit network redundant gateway module based on VxWorks operating system is designed. The main control chip of this design selects ARM9 S3C2440 chip with rich peripheral interface, and transplant VxWorks system SPI bus to extend CAN module circuit on it. In the Gigabit network hardware module circuit, the AX88180 of Asia signal Company is chosen as the Gigabit Ethernet control chip, and the M88E1111 of Marvell Company is chosen as the Gigabit Network PHY chip. The hardware design of Gigabit network is realized by the interconnection between them. In this paper, the extended gigabit network module circuit MCP2515 is used as the SPI bus external extended CAN controller and can transceiver CTM8250 of Zhou Ligong Co., Ltd. The power supply circuit and HJTAG circuit are designed. In the design process, two CAN bus and two Gigabit Ethernet circuits are designed. The software design realizes the interworking between gigabit network and CAN network on the application layer, realizes the conversion between TCP/IP and CAN bus protocol, and adds some functions such as on-line parameter setting and fault detection. After debugging, the Gigabit redundant gateway module can realize the conversion between CAN and TCP/IP protocol, complete the initial technical requirements of the design, the system runs stably and has a broad application prospect.
【學(xué)位授予單位】：哈爾濱工程大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2016
【分類號】：TN915.05;TP316;TP273

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