發(fā)布時(shí)間：2018-05-14 10:40

  本文選題：網(wǎng)絡(luò)化控制 + DMCNET總線��； 參考：《蘭州理工大學(xué)》2017年碩士論文

【摘要】：腸溶性膠囊殼全自動(dòng)生產(chǎn)線是典型的過程控制、運(yùn)動(dòng)控制,屬機(jī)電一體化生產(chǎn)設(shè)備,生產(chǎn)線運(yùn)動(dòng)機(jī)構(gòu)多達(dá)41個(gè),各運(yùn)動(dòng)機(jī)構(gòu)互相關(guān)聯(lián)性強(qiáng)、控制復(fù)雜,系統(tǒng)要求運(yùn)動(dòng)機(jī)構(gòu)運(yùn)行快速平穩(wěn)、位置控制定位準(zhǔn)確,生產(chǎn)線故障率低。為了保證生產(chǎn)線的快速穩(wěn)定運(yùn)行,提高系統(tǒng)控制精度和控制效率,本文采用先進(jìn)控制技術(shù)、網(wǎng)絡(luò)化運(yùn)動(dòng)控制技術(shù)、伺服運(yùn)動(dòng)控制技術(shù)和電子凸輪技術(shù),研究設(shè)計(jì)了腸溶性膠囊殼生產(chǎn)線控制系統(tǒng)。開發(fā)了基于PLC、觸摸屏和伺服驅(qū)動(dòng)的網(wǎng)絡(luò)化控制系統(tǒng),實(shí)現(xiàn)了腸溶性膠囊殼生產(chǎn)過程的自動(dòng)化控制。首先,對伺服運(yùn)動(dòng)控制、網(wǎng)絡(luò)化運(yùn)動(dòng)控制和電子凸輪技術(shù)等相關(guān)理論進(jìn)行了研究。著重研究了CAN總線技術(shù)和臺(tái)達(dá)公司自主研發(fā)的DMCNET總線技術(shù)在網(wǎng)絡(luò)化運(yùn)動(dòng)控制中的應(yīng)用及特點(diǎn)。針對生產(chǎn)線中蘸膠過程多軸、多段速運(yùn)動(dòng)控制的特點(diǎn)及機(jī)械運(yùn)動(dòng)件在高速運(yùn)行下保證平滑性的控制問題,比較了傳統(tǒng)凸輪曲線的控制方法,研究電子凸輪控制原理和凸輪曲線的設(shè)計(jì)方法,提出了針對位置定位和速度定位兩種場合下對應(yīng)合適的運(yùn)動(dòng)路徑的規(guī)劃方法。其次,針對腸溶性膠囊殼全自動(dòng)生產(chǎn)線控制工藝要求。設(shè)計(jì)了采用CAN總線技術(shù)和DMCNET總線技術(shù)的膠囊殼生產(chǎn)線網(wǎng)絡(luò)化控制系統(tǒng)。重點(diǎn)研究設(shè)計(jì)了基于DMCNET網(wǎng)絡(luò)的AH20MC智能運(yùn)動(dòng)控制模塊的應(yīng)用,采用電子凸輪技術(shù)實(shí)現(xiàn)一、二、三次體帽蘸膠過程的電子凸輪數(shù)據(jù)的建立、主從軸函數(shù)關(guān)系和電子凸輪曲線的設(shè)計(jì)方法,解決了位置定位和速度定位兩種場合下對應(yīng)合適多段速運(yùn)動(dòng)控制問題,實(shí)現(xiàn)了蘸膠過程的位置定位和速度定位的精確平滑控制。并通過人機(jī)交互界面實(shí)現(xiàn)了凸輪參數(shù)靈活設(shè)置,實(shí)現(xiàn)了生產(chǎn)過程自動(dòng)化、可視化。最后,經(jīng)過對腸溶性膠囊殼全自動(dòng)生產(chǎn)線網(wǎng)絡(luò)化控制系統(tǒng)現(xiàn)場應(yīng)用試驗(yàn)。試驗(yàn)結(jié)果表明,該系統(tǒng)研究設(shè)計(jì)的基于CAN總線和DMCNET總線技術(shù)開發(fā)研制的網(wǎng)絡(luò)化運(yùn)動(dòng)控制系統(tǒng),完全滿足對腸溶性膠囊殼全自動(dòng)生產(chǎn)線多軸運(yùn)動(dòng)控制系統(tǒng)的網(wǎng)絡(luò)化控制。電子凸輪技術(shù)的應(yīng)用,實(shí)現(xiàn)了蘸膠過程多段速平滑控制,位置定位和速度定位精度高,使所生產(chǎn)的膠囊殼壁厚均勻,保證了膠囊產(chǎn)品的質(zhì)量,提高了生產(chǎn)效率。
[Abstract]:The automatic production line of enteric-soluble capsule shell is a typical process control, motion control, belong to the production equipment of electromechanical integration, the production line movement mechanism up to 41, each movement mechanism is strong correlation, the control is complex, The system requires the movement mechanism to run quickly and smoothly, the position control position is accurate, and the production line failure rate is low. In order to ensure the fast and stable operation of the production line and improve the control accuracy and efficiency of the system, this paper adopts advanced control technology, networked motion control technology, servo motion control technology and electronic cam technology. The control system for the production line of enteric-soluble capsule shell was studied and designed. A networked control system based on PLC, touch screen and servo drive was developed to realize the automatic control of the production process of enteric-soluble capsule shell. Firstly, servo motion control, networked motion control and electronic cam technology are studied. The application and characteristics of CAN bus technology and DMCNET bus technology developed by Delta Company in networked motion control are studied. In view of the characteristics of multi-axis and multi-section motion control in the process of glue dipping in production line and the control problem of the smoothness of mechanical motion parts under high-speed operation, the traditional control methods of cam curve are compared. This paper studies the control principle of electronic cam and the design method of cam curve, and puts forward a suitable motion path planning method for two situations: position positioning and velocity positioning. Secondly, according to the control technology requirements of the automatic production line of sausage-soluble capsule shell. The networked control system of capsule shell production line using CAN bus technology and DMCNET bus technology is designed. The application of AH20MC intelligent motion control module based on DMCNET network is studied and designed. The electronic cam data of the first, second and third body cap dipping glue process are realized by using electronic cam technology. The relationship between master and slave axis and the design method of electronic cam curve are used to solve the problem of appropriate multi-section velocity motion control in two situations: position positioning and velocity positioning, and the accurate smooth control of position positioning and velocity positioning in glue dipping process is realized. The flexible setting of cam parameters is realized through man-machine interface, and the production process automation and visualization are realized. Finally, the field application test of the networked control system for the automatic production line of sausage-soluble capsule shell was carried out. The experimental results show that the networked motion control system based on CAN bus and DMCNET bus is fully satisfied with the multi-axis motion control system for the automatic production line of enteric-soluble capsule shell. With the application of electronic cam technology, multistage speed smoothing control is realized in the process of dipping glue, and the precision of position positioning and velocity positioning is high. The thickness of capsule shell is uniform, the quality of capsule product is guaranteed and the production efficiency is improved.
【學(xué)位授予單位】：蘭州理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TH16;TP273

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