步進(jìn)電機畢業(yè)論文

摘要

步進(jìn)電機是將電脈沖信號轉(zhuǎn)變?yōu)榻俏灰苹蚓€位移的開環(huán)控制元件。在非超載的情況下，電機的轉(zhuǎn)速、停止的位置只取決于脈沖信號的頻率和脈沖數(shù)，而不受負(fù)載變化的影響，即給電機加一個脈沖信號，電機則轉(zhuǎn)過一個步距角。這一線性關(guān)系的存在，加上步進(jìn)電機只有周期性的誤差而無累積誤差等特點，使得在速度、位置等控制領(lǐng)域用步進(jìn)電機來控制變得非常的簡單。步進(jìn)電機的調(diào)速一般是改變輸入步進(jìn)電機的脈沖的頻率來實現(xiàn)的。因為每給一個脈沖步進(jìn)電機就轉(zhuǎn)動一個固定的角度，這樣就可以通過控制步進(jìn)電機的一個脈沖到下一個脈沖的時間間隔來改變脈沖的頻率，以延時的長短來具體控制步進(jìn)角來改變電機的轉(zhuǎn)速，從而實現(xiàn)步進(jìn)電機的調(diào)速。在本設(shè)計方案中采用STC12C5A32AD型單片機內(nèi)部的定時器改變CP脈沖的頻率實現(xiàn)對步進(jìn)電機的轉(zhuǎn)速進(jìn)行控制，同時通過編程決定脈沖發(fā)生個數(shù)來實現(xiàn)位置的精確定位。

關(guān)鍵詞：步進(jìn)電機、單片機、調(diào)速、功率驅(qū)動、細(xì)分

Designed of Stepping Motor Controller for the Terminals Connecting System

ABSTRACT

Stepping motor is the open loop control component which transforms electrical signals to angular or line displacement. In the none overload of circumstances,the speed of stepping motor only depends on the frequency of the pulse signal,while the stop position depends on the pulse count,but not the load.It is to say that the stepping motor turns a step angle when given a pulse signal.The existence of linear relationship between  the pulse count and the displacement, and a step-motor only periodically Error while no accumulated error,that make it easy to use stepper motor to control in the speed and position control Field.The stepping motor Speed is generally change with the frequency of the input pulse signal.For each pulse signal,the stepping motor will turn a fixed angel. we can control the legth of time between two pulses to change the frequency of the pulses, so as to realize the stepper motor speed.In This design the internal timer of the STC12C5A32AD type of single-chip was adoptted to generate a series of changable frequency pulses to speed the stepper motor. While the number of pulses generating decided by programming to accurately position.

KEY WORDS：Stepping Motor, Microcontroller
Speed , Power Drive, Subdivide

目錄
前　言                                                     
第1章 序論 
§1.1 目前國內(nèi)外端子壓線機發(fā)展現(xiàn)狀 
§1.2 瑞子壓線機的系統(tǒng)組成 
§1.3 研究的目的和任務(wù) 
第2章 步進(jìn)電機概述 
§2.1步進(jìn)電機的特點 
§2.2步進(jìn)電機控制原理 
§2.2.1步進(jìn)電機控制基本原理 
§2.2.2 步進(jìn)電機的起停控制 
§2.2.3 步進(jìn)電機的加減速控制                                  
§2.2.4 步進(jìn)電機的換向控制                                    
§2.3 步進(jìn)電機的技術(shù)參數(shù) 
§2.3.1 步進(jìn)電機的基本參數(shù) 
§2.3.2  步進(jìn)電機的動態(tài)指示及術(shù)語                             
§2.4 步進(jìn)電機的分類 
§2.5 步進(jìn)電機的驅(qū)動                                       
§2.5.1單電壓功率驅(qū)動                                 
§2.5.2 雙電壓驅(qū)動                                    
§2.5.3 高低壓驅(qū)動                                    
§2.5.4 斬波恒流驅(qū)動                                  
§2.5.5 升頻升壓功率驅(qū)動                              
§2.5.6 集成功率驅(qū)動                                  
§2.5.7 細(xì)分驅(qū)動                                      
第3章 方案的論證 
§3.1 控制方式的確定 
§3.2 驅(qū)動方式的確定 
§3.3 驅(qū)動電路的選擇                                             
§3.4 基本方案的確定                                             
第4章 硬件電路的設(shè)計 
§4.1 單片機的選擇 
§4.1.1 單片機的引腳功能                                      
§4.1.2 單片機主要特性                                        
§4.2 顯示電路的選擇 
§4.2.1 LCD1602液晶模塊特點 
§4.2.2 LCD1602接口信號說明 
§4.2.3 LCD1602外型尺寸                                
§4.2.4 LCD1602 RAM映射圖                             
§4.2.5 LCD1602字符發(fā)生存儲器                          
§4.2.6 LCD1602 指令說明                               
§4.2.7 LCD1602 接口時序                               
§4.3人機交互式鍵盤設(shè)計 
§4.4 控制電路總原理圖                                      
§4.5 步進(jìn)電機驅(qū)動電路設(shè)計                                  
§4.5.1 THB6016H 特性                                  
§4.5.2 THB6016H 管腳說明                              
§4.5.3 THB6016H 原理框圖                              
§4.5.4 驅(qū)動電路總原理圖                                
§4.6 電源電路設(shè)計                                          
§4.7 抗干擾設(shè)計                                            
結(jié)　論 
參考文獻(xiàn) 
致　謝 
附　錄