毕业设计/论文课题名称 基于 DSP 的直线步进电机控制系统 的设计 院 系 机电与自动化学院 专业班级 自动化 1201 班 学生姓名 王笑琴 武昌首义学院基于 DSP 的直线步进电机控制系统的设计摘要 本文在直线步进电机的基本结构、原理与特性的基础上，着重分析两相混合式直线步进电机的结构、磁链及工作原理。根据两相混合式直线步进电机绕组的通电特点和脉冲步进控制方法，采纳以 DSP 为核心的控制单元，以具有细分功能的两相步进电机驱动专用芯片 A3977SED 作为功率驱动器件，对两相混合式直线步迸电机提出了总体控制方案，并分别就控制系统技术方案、硬件电路、控制软件设计等技术内容进行了详细的分析和讨论。本设计以典型电机微控制器 TMS320F28xx 芯片为控制核心，采纳反馈和开环控制相结合方式。阐述了如何利用 TMS320F28xx 实现电机转向、速度控制，具有较好的运行效果，可获得近似于伺服电机的性能，具有较高的性价比。关键词：直线步进电机；DSP；控制系统；TMS320F28xx Modern Design of linear stepper motor control system based on DSPAbstractOn the basis of the basic structure, principle and characteristic of linear stepping motor, the structure, flux and working principle of the two phase hybrid linear stepping motor are analyzed.According to the two phase hybrid linear step into the motor winding energized characteristics and pulse step control method, with DSP as the core control unit, to two-phase step with a functional subdivision of the stepping motor drive IC A3977SED as a power drive part, the two-phase hybrid linear stepping motor proposed overall control scheme and control system technology, hardware circuit and control software design were analyzed and studied in detail by using.This design takes the typical motor micro controller TMS320F28xx chip as the control core, uses the feedback and the open loop control combination way. This paper describes how to use TMS320F28xx to achieve the motor steering and speed control, and has a good running ...
