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摘要:步進(jìn)電動(dòng)機(jī)由于用其組成的開(kāi)環(huán)系統(tǒng)既簡(jiǎn)單、廉價(jià)，又非常可行，因此在打印機(jī)等辦公自動(dòng)化設(shè)備以及各種控制裝置等眾多領(lǐng)域有著極其廣泛的應(yīng)用。 本文介紹的是一種基于單片機(jī)的步進(jìn)電機(jī)的系統(tǒng)設(shè)計(jì)，用C語(yǔ)言編寫(xiě)出電機(jī)的正轉(zhuǎn)、反轉(zhuǎn)、加速、減速、停止程序，通過(guò)單片機(jī)、電機(jī)的驅(qū)動(dòng)芯片ULN2803以及相應(yīng)的按鍵實(shí)現(xiàn)以上功能，本文內(nèi)容介紹了步進(jìn)電機(jī)以及單片機(jī)原理、該系統(tǒng)的硬件電路、程序組成，同時(shí)對(duì)軟、硬件進(jìn)行了調(diào)試，同時(shí)介紹了調(diào)試過(guò)程中出現(xiàn)的問(wèn)題以及解決問(wèn)題的方法。該設(shè)計(jì)具有思路明確、可靠性高、穩(wěn)定性強(qiáng)等特點(diǎn)，通過(guò)調(diào)試實(shí)現(xiàn)了上述功能。 關(guān)鍵詞：步進(jìn)電機(jī)；AT89C51；驅(qū)動(dòng)機(jī)構(gòu)；轉(zhuǎn)動(dòng)
Abstract:The open-loop system which is composed by step-motor is simple, cheap and very practical, so there are very wide range of applications in printers and other office automation equipment and various control devices, and many other fields. This article describes one design of step-motor system based on microcontroller.The program of the preparation of a motor , reverse, speed up, slow down, stop is written by compile language. The above functions are realized through the microcontroller, motor driver chip ULN2083 and correspond key . This article introduces the principle of stepper motor and single-chip microcomputer, the system hardware circuit, the program components, while software and hardware for the debugging, at the same time introduces the problems which are appeared in the debugging process and the solutions of the problems . The design has the advantages of clear , high reliability, strong stability, etc.,and the above-mentioned functions are realized through the debugging. Key Words: Stepper motor;AT89C51; driving mechanism; rotation
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