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畢業(yè)設(shè)計(jì)---三相異步電動(dòng)機(jī)的閉環(huán)恒速控制系統(tǒng)-畢業(yè)設(shè)計(jì)-全文預(yù)覽

  

【正文】 or reiteration some process feedback control system known as servo system or servo system. [key words] closedloop control system, feedback, PLC II 目錄 緒論 ................................................................................................................................. 1 第一章 光電編碼器 ................................................................................................... 2 概述 ............................................................................................................. 2 編碼器的分類(lèi): ............................................................................................ 2 第二章 可編程序控制器( PLC) .............................................................................. 3 S7200PLC 簡(jiǎn)介 ............................................................................................ 3 PLC的基本組成及工作原理 .......................................................................... 3 PLC的特點(diǎn) ................................................................................................... 4 第三章 變頻器 .......................................................................................................... 5 變頻器概述 ................................................................................................... 5 變頻器調(diào)速原理 ........................................................................................... 5 變頻器的分類(lèi) ............................................................................................... 6 第四章 觸摸屏 .......................................................................................................... 7 觸摸屏的工作原理 ........................................................................................ 7 電機(jī)控制系統(tǒng)框圖 ........................................................................................ 7 第五章 控制方案及梯形圖 ........................................................................................ 8 變量與 PLC的地址分配 .............................................................................. 10 PLC 的 I/O 分配 ........................................................................................ 10 組態(tài)軟件變量與 PLC的地址分配 .............................................................. 10 繪制變頻器接線(xiàn)圖并接線(xiàn) ............................................................................ 11 編程 ..................................................................................................... 12 程序流程圖 , PLC 程序圖 ....................................................................... 12 創(chuàng)建 PLC 工程項(xiàng)目 ................................................................................... 13 編制符號(hào)表 ............................................................................................. 13 設(shè)計(jì)梯形圖程序 ....................................................................................... 14 第六章 PLC、觸摸屏和變頻器聯(lián)機(jī)調(diào)試 .................................................................. 20 運(yùn)行 PLC 程序 ................................................................................
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