【文章內(nèi)容簡介】 wt h 13. 36%。 t his year J anuaryJ une, vehicles m anagement section and l icense ar chives m anagem ent sect ion t ot al accept ed t he m ot or vehicle r egist r ation business 42, 543 car t im es, which r egist er ed r egist r at ion 6, 905 car t im es, and t r ansf er r egist ration 3, 592 car t im es, and change r egist ration 1033 car t im es, and m ort gage r egistr ation 696 car t im es, and cancellat ion r egist ration 187 car t im es, and int o business 980 car t im es, and Ar chives cor r ections 81 pieces t im es, and issued t est qualif ied logo 25, 429 car t im es, and ot her vehicles business 3, 640 car t im es。 super vision Sur vey Sect ion r elies on m ot or vehicle det ect ion r em ot e issued t est qualif ied logo sof t war e plat f orm super vision m ot or vehicle t est , and ident if icat ion sit uation 7418l iangci, invest igat ion m ot or vehicle except ion business 30 car t im es, his par ds business war ning 244 ar t icle, vehicles and dr iving people sound video r egulat or y scr eenshot s 1852 Zhang, checks m ot or vehicle ar chives 716 pieces t im es, and m edium bus, and m edium above t r uck, and Of hazardous chemicals, vehicles and school buses and ot her key vehicle inspection r ecor d of 420. ( C) based on t heir own, and st rict adher ence t o def ense, m or e cheating, f alse f alse f ugit ive suspects, r obbery suspect vehicles and t he I nt er cr ackdown. DM V f ul play t o t he f ir st line of Def ense posit ion cont r ol, investigat ing cheating, f ake ident if icat ion and r obber y suspect vehicles t hrough operat ional wor k, and car efuly exam ine t he docum ents and legal pr oof, check t r af f ic violat ions, t r aff ic accident s, t he f ugit ive suspect suspected vehicles and t heft t han t o wor k, fur ther t ight car , dr iving m anagem ent business f or malit ies r eview pr ocedur es. . . Tr uck dr iver inf or mation m anagem ent plat f or m. M ot or vehicles and t r aff ic police depar tm ent s, St ate t ransport aut hor it y t o fur ther clar if y t he Division of labour , im plem ent ation r esponsibilt y, st r engt hen our colabor at ion and management ogether, r einfor cing t he m anagem ent of dr ivers on which st r ongly synt het ic war f are and inf or mation war f are. 3 st rict ly im plem ent ed. Fr om M ay 1 up, a is im plem ent ed plex r oad and bad weat her dr iving exam , cur rently DM V is ur ged cont ractor s part y in t r easur es dr iving school incr eased sim ulation Highway, and cont inuous ur gent det ours, and snow days, and wet sliding r oad, and bur st sit uation disposal, subjects I I f ield t o dr iving exam pr oject, is expected 目 錄 1 引言 ................................................................ 4 課題研究背景 ...................................................... 4 電阻爐溫度控制系統(tǒng)的發(fā)展?fàn)顩r ...................................... 4 2 PLC 的概述 .......................................................... 5 PLC 的介紹 ........................................................ 5 PLC 的基本組成 .................................................... 6 3 硬件配置和軟件環(huán)境 .................................................. 6 實(shí)驗配置 .......................................................... 6 西門子 S7200 .................................................... 6 傳感器 .......................................................... 6 EM 235 模擬量輸入模塊 ........................................... 6 STEP 7 Micro/WIN32 軟件介紹 ........................................ 7 4 控制算法描述 ........................................................ 7 PWM 技術(shù) ......................................................... 7 PID 控制程序設(shè)計 ................................................... 7 PID 控制算法 ..................................................... 8 PID 在 PLC 中的回路指令 .......................................... 9 PID 參數(shù)整定 .................................................... 11 5 程序設(shè)計 ........................................................... 12 方案設(shè)計思路 ..................................................... 12 程序流程圖 ....................................................... 14 梯形圖（見附錄） ................................................. 15 6 組態(tài)畫面設(shè)計 ....................................................... 15 組態(tài)軟件概述 ..................................................... 15 組態(tài)王的介紹 ..................................................... 15 組態(tài)畫面的建立 ................................................... 16 創(chuàng)建項目 ....................................................... 16 建立主畫面 ..................................................... 18 建立趨勢曲線畫面 ............................................... 19 建立數(shù)據(jù)報表 ................................................... 20 建立報警窗口 ................................................... 22 建立參數(shù)監(jiān)控畫面 ............................................... 23 7 系統(tǒng)測試 ........................................................... 23 evaluat ion of scient if ic developm ent . Natur e secur it y t ype natur e securit y is t o m aint enance people of healt h value f or t arget , t hrough st rengthening secur it y based m anagement , and r is k m anagement , and equipm ent m anagement and t echnology super vision, ensur e pr oduction in t he people, and r eal, and syst em, and system, elem ent s secur it y reliable, and har m ony unif ied, f ul cont rol var ious against f actor s, achieved t hought no slack, and management no em pty document , and equipm ent no hidden, and syst em no blocked, and unit zer o nonst opped. Qualit y and ef f iciencyqualit y benef it is t o adhere t o t he enter prise survival, pr ofit and developm ent business t rut h, adher e t o t he all act ivit y is econom ic activit y, all cost s can be cont roled, m oney should not be wast ed m anagement philosophy, m anagement analysis, t o im prove management qualit y, im prove cost contr ol capacit