(毕业论文)基于EDA的步进电机控制论文.doc

2013届本科生毕业论文 学号：090701050119 成绩： 基于EDA的步进电机控制系统设计 院 部： 电子信息学院 专 业： 电子信息工程 姓 名： 指导老师： 二〇一三年五月毕业论文诚信声明 本人郑重声明： 所呈交的毕业论文《 基于EDA的步进电机控制系统设计 》是本人在指导老师的指导下，独立研究、写作的成果。论文中所引用是他人的无论以何种方式发布的文字、研究成果，均在论文中以明确方式标明。 本声明的法律结果由本人独自承担。 毕业论文作者签名： 年 月 日 摘 要 步进电机是将电脉冲信号转变为机械角位移或线位移的开环控制机电元件用这种电流为步进电机供电，步进电机才能正常工作，驱动器就是为步进电机分时供电的，多相时序控制器因其具有成本低、易于精确控制、无累积误差等优点在生产、生活中的很多领域有广泛应用。 两相混合式步进电机为控制对象在分析步进电机的特点和工作原理的基础上步进电机在低频工作时分辨率不高容易产生振荡运行不够平稳无法满足高精密度的要求。本文在分析细分驱动技术的原理上The stepper motor electrical pulses into mechanical angular displacement or linear displacement open-loop control of electromechanical components，It works by using an electronic circuit DC power into sharing power supply， multi-phase timing control current， using this current powered for stepper motor to work properly。the drive is sharing power supply to the stepper motor， multi-phase timing controller。precise control， no accumulated error and other advantages， is widely used in many areas of production and daily life。 This present article based on the two-phase hybrid stepping motor as the control object，considered the characteristics and working principle of stepping motor，is introduced a kind of a subdivided driving of stepping motor based on EDA Technology。Stepper motor working in low frequency，the resolution is not high， easy to produce oscillations， the operation is not smooth， can not meet the high precision requirement。Based on the principle of driving technique in the analysis on the subdivision，we use the embedded EAB in FPGA to compose a LPM_ROM to deposit a data sheet of PWM control waveform of each phase of subdivision current，the digital comparator designed with FPGA synchronous engender PWM waveform of current，realize the uniform control of the rotation angl