基于單片機的步進電機的細分控制器的設計畢業論文-資料下載頁
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【正文】 or. This topic in summarizes various stepping motor subdivision control technology, on the basis of these technology, pleted the design of stepping motor subdivision system based on singlechip microputer The stepper motor?s microstepping driver is a kind of driving technology that can effectively improve the step precision and characteristic of low frequency. It is mostly used when the equipments require highprecision， low noise or low vibration system, and it is being a more and more popular driving technology. In this paper， the working principle and configuration of threephase Stepper are introduced， then based on technologies such as stepper motor controller and microcontroller .we analysis the using of microstepping driving technology to improve operational performance . Current subdividing technology not only overes the disadvantages of motor?s vibration and noise at low speeds but also reduces probability of resonance. It prevents the reactive voltage errors brought by other windings and the drift errors brought by current. It improves the precision of subdivision. In the thesis， we develop a single chip puterbased digital controlling system for a threephase stepper motor that is mainly constructed from a AT89CS1 single chip puter and 8279IC which is used as the core of control parts and a three fullbridge driver IR2130. The power stage of this driver uses IGBT IR2130 that provides high reliability. Based on the approach， the system＇ s whole architecture， the design of hardware and software are in traduced in detail. Keywords Single chip microputer； Stepper motor； Subdivide control IV 目錄 摘要 …… ....................................................................................................................... I Abstract ........................................................................................................................ II 第 1 章 緒論 ................................................................................................................ 1 課題背景 ........................................................................................................... 1 步進電機概述 ................................................................................................... 1 步進電機驅動系統概述 ................................................................................... 2 國內外研究狀況及發展趨勢 ........................................................................... 3 論文研究內容 ................................................................................................... 4 第 2 章 步進電機及其驅動系統 ................................................................................ 5 步進電機及其工作原理 ................................................................................... 5 步進電機的結構特點 ................................................................................ 5 步進電機的 基本工作原理 ........................................................................ 5 繞組通電方式 ............................................................................................ 6 步距角的控制 ............................................................................................ 7 步進電機驅動系統 ........................................................................................... 7 步進電機驅動系統簡介 ............................................................................ 7 步進電機細分驅動原理及特點 ................................................................ 8 本章小結 ........................................................................................................... 9 第 3 章 控制芯片及相關器件簡介 .......................................................................... 10 單片機的介紹 ................................................................................................. 10 芯片的選擇 .............................................................................................. 10 AT89C51 單片機與管腳功能簡介 ...........................................................11 8 位數模轉換器 DAC0832 簡介 .................................................................... 13 8279 顯示與鍵盤控制芯片簡介 ..................................................................... 15 8279 顯示鍵盤控制芯片的功能 .............................................................. 15 8279 顯示鍵盤控制芯片引腳定義 .......................................................... 15 IR2130 驅動電路簡介 ..................................................................................... 16 IR2130 結構及功能 .................................................................................. 16 IR2130 的逆變器電路結構 ...................................................................... 18 本章小結 ......................................................................................................... 18 第 4 章 系統構架與硬件電路的設計 ...................................................................... 20 系統硬件結構 ................................................................................................. 20 系統硬件電路設計 ......................................................................................... 21 單片機控制電路 ...................................................................................... 21 電機驅動電路 .......................................................................................... 21 數模轉換電路 .......................................................................................... 22 V 開關電源電路 .......................................................................................... 22 顯示和鍵處理電路 .................................................................................. 23 本章小結 ......................................................................................................... 24 第 5 章 系統軟件設計 .............................................................................................. 25 系統軟件總體結構 ......................................................................................... 25 系統開發軟硬件環境 ..................................................................................... 25 步進電機控制主程序設計 ............................................................................. 26 步進電機細分驅動程序設計 ......................
鄂ICP備17016276號-1