單片機(jī)控制pwm的直流電機(jī)調(diào)速系統(tǒng)的設(shè)計(jì)

1、I單片機(jī)控制單片機(jī)控制PWM的直流電機(jī)調(diào)速系統(tǒng)的設(shè)計(jì)的直流電機(jī)調(diào)速系統(tǒng)的設(shè)計(jì)摘要：要：在國民生產(chǎn)中，隨著現(xiàn)代技術(shù)的發(fā)展，電力電子技術(shù)已得到了全面的發(fā)展，其技術(shù)已應(yīng)用到各個(gè)領(lǐng)域。在各類機(jī)電系統(tǒng)中由于直流電機(jī)具有良好的啟動(dòng)、制動(dòng)和調(diào)速性能直流電機(jī)調(diào)速系統(tǒng)已廣泛運(yùn)用于工業(yè)、航天領(lǐng)域的各個(gè)方面最常用的直流調(diào)速技術(shù)是脈寬調(diào)制(PWM)直流調(diào)速技術(shù)具有調(diào)速精度高、響應(yīng)速度快、調(diào)速范圍寬和損耗低的特點(diǎn).而利用計(jì)算機(jī)數(shù)字控制也成了直流調(diào)速的一種手段數(shù)字

2、控制系統(tǒng)硬件電路的標(biāo)準(zhǔn)化程度高控制軟件能夠進(jìn)行復(fù)雜運(yùn)算可以實(shí)現(xiàn)不同于一般線性調(diào)節(jié)的最優(yōu)化、自適應(yīng)、非線性、智能化等控制規(guī)律此外還擁有信息存儲(chǔ)、數(shù)據(jù)通信和故障診斷等模擬系統(tǒng)無法實(shí)現(xiàn)的功能關(guān)鍵字關(guān)鍵字：AT89C51單片機(jī)；PWM技術(shù)；編碼器；直流電動(dòng)機(jī)III目錄1.引言引言....................................................................................

3、...........................................................12.系統(tǒng)方案論證系統(tǒng)方案論證.............................................................................................................................22.1系統(tǒng)總方案論證與選擇.......

4、.......................................................................................22.2設(shè)計(jì)模塊方案比較與分析..........................................................................................32.2.1電機(jī)調(diào)速控制模塊..............

5、................................................................................32.2.2PWM調(diào)速工作方式...........................................................................................43硬件部分硬件部分........................

6、.............................................................................................................43.1單片機(jī)的選型.....................................................................................................

7、.......43.2PWM控制技術(shù)..............................................................................................................83.3驅(qū)動(dòng)電路....................................................................................

8、.....................................93.3.1芯片IR2110性能及特點(diǎn).......................................................................................93.3.2IR2110的引腳圖以及功能.........................................................

9、............................93.4PWM控制H橋雙極性主電路...............................................................................113.5檢測回路.......................................................................................

10、.................................133.5.1光電編碼盤...............................................................................................................143.6鍵盤及顯示電路....................................................

11、......................................................153.6.1鍵盤顯示芯片8279簡介.....................................................................................153.6.3顯示器設(shè)計(jì)..................................................

12、.............................................................164模塊的原理與應(yīng)用模塊的原理與應(yīng)用..................................................................................................................174.1PWM調(diào)脈寬方式.............

13、.......................................................................................174.2定時(shí)器計(jì)數(shù)器..............................................................................................................174.3直流電機(jī)調(diào)速原

14、理......................................................................................................184.4PWM基本原理及實(shí)現(xiàn)方法.....................................................................................184.5PWM在直流調(diào)速中的

15、應(yīng)用.....................................................................................184.6橋式可逆PWM變換器.............................................................................................194.7MT法測速原理.............

16、..........................................................................................215軟件部分軟件部分.......................................................................................................................

17、.............225.1主程序及系統(tǒng)初始化模塊........................................................................................225.2模塊程序設(shè)計(jì)............................................................................................

18、...................235.2.1外部中斷0模塊設(shè)計(jì).............................................................................................235.2.2外部中斷1模塊設(shè)計(jì)............................................................................

19、.................235.2.3內(nèi)部定時(shí)器T0溢出中斷設(shè)計(jì)............................................................................235.3中斷子程序模塊...............................................................................................

20、...........245.4鍵盤顯示模塊設(shè)計(jì).....................................................................................................245.5數(shù)字PID流程圖..................................................................................

21、........................265.6源程序.............................................................................................................................29謝辭...........................................................

22、.................................................................................35參考文獻(xiàn)參考文獻(xiàn).................................................................................................................................