【摘要】：近年來，國內(nèi)橫機(jī)需求量越來越大，而國產(chǎn)橫機(jī)技術(shù)相對落后，高檔橫機(jī)市場被國外占領(lǐng)，價格高昂。為填補國內(nèi)市場缺口，豐富國產(chǎn)電腦橫機(jī)控制系統(tǒng)的品種，提高國產(chǎn)橫機(jī)的技術(shù)水平，，本文致力于研究與開發(fā)具有自主知識產(chǎn)權(quán)的電腦橫機(jī)控制系統(tǒng)。 本文詳細(xì)分析了單機(jī)頭雙系統(tǒng)橫機(jī)的結(jié)構(gòu)組成，對橫機(jī)的工作原理做了深入研究。 根據(jù)控制需求與用戶的需求，建立了以上、中、下位機(jī)為結(jié)構(gòu)的數(shù)控系統(tǒng)硬件結(jié)構(gòu)。確立了以ARM+Linux作為上位機(jī)和中位機(jī)的系統(tǒng)平臺。介紹了橫機(jī)軟件系統(tǒng)的總體工作原理，并實現(xiàn)了運動控制軟件總體流程。重點介紹了運動控制系統(tǒng)的狀態(tài)機(jī)圖。實現(xiàn)了上中位機(jī)通信接口和中下位機(jī)通信接口。 對于橫機(jī)運動控制系統(tǒng)的關(guān)鍵技術(shù)，實現(xiàn)了FKW文件(橫機(jī)工作文件)的文件格式和解釋模塊，且根據(jù)它來控制橫機(jī)的3個電機(jī)及機(jī)頭運動部件。針對FKW文件只提供電機(jī)的總脈沖數(shù)和總運轉(zhuǎn)時間這兩個已知條件這一特點，實現(xiàn)了基于時間約束的伺服電機(jī)插補技術(shù)。針對橫機(jī)的快慢車信號干擾情況以及快慢車調(diào)速需求，實現(xiàn)了橫機(jī)的快慢車信號處理模塊和快慢車調(diào)速控制方法。此外，還實現(xiàn)了主伺服的啟動暫�？刂啤u床伺服的控制、主羅拉電機(jī)的控制等電機(jī)控制技術(shù)。 搭建了由上、中、下位機(jī)3套板卡和3套電機(jī)構(gòu)成的驗證系統(tǒng)。隨后對軟硬件系統(tǒng)進(jìn)行了上機(jī)驗證與調(diào)試，提供了2件典型花樣的羊毛衫織物圖。
[Abstract]:In recent years, the domestic flat machine demand is increasing, but the domestic flat machine technology is relatively backward, the high-grade flat machine market is occupied by the foreign countries, the price is high. In order to fill the gap in the domestic market, enrich the variety of the domestic computer flat machine control system and improve the technical level of the domestic flat machine, this paper is devoted to the research and development of the computer flat machine control system with independent intellectual property rights. In this paper, the structure of single head double system flat machine is analyzed in detail, and the working principle of flat machine is deeply studied. According to the demand of control and user, the hardware structure of CNC system is established. ARM Linux is used as the system platform of upper computer and middle computer. This paper introduces the general working principle of the flat machine software system, and realizes the overall flow chart of the motion control software. The state machine diagram of motion control system is introduced emphatically. The communication interface between upper and lower computer is realized. For the key technology of the motion control system of the horizontal machine, the file format and the interpretation module of the FKW file (the working file of the horizontal machine) are realized, and the three motors and the moving parts of the head of the flat machine are controlled according to it. In view of the fact that the FKW file only provides two known conditions: the total pulse number and the total running time of the motor, the interpolation technology of servo motor based on time constraint is realized. Aiming at the interference of the speed and slow vehicle signal and the speed regulation demand of the flat machine, the signal processing module of the speed and slow car and the speed regulation control method of the speed and slow car are realized. In addition, the starting pause control of the main servo, the control of the shaking table servo, the control of the main roller motor and so on are realized. A verification system consisting of 3 boards and 3 sets of motors is built. Then, the software and hardware system is verified and debugged, and two typical woolen sweater fabric drawings are provided.
【學(xué)位授予單位】：華中科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2013
【分類號】：TG659

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