两相混合式步进电机细分驱动器研制  

Development of two-phase hybrid stepping motor microstepping driver

作　　者：陈建进 管兴勇 

机构地区：[1]深圳市世强先进科技有限公司,广东深圳518001

出　　处：《微型机与应用》2014年第4期71-73,共3页Microcomputer & Its Applications

摘　　要：讨论了步进电机的细分驱动原理以及数字PI控制策略。介绍了一种基于数字信号处理器(DSP)的两相混合式步进电机细分驱动器的软硬件结构,并给出了实际运行的电机相电流波形。通过采用电压补偿、电流负反馈以及数字PI调节,对步进电机相电流进行"阶梯化"正弦波控制,使步进电机相电流接近正弦波,改善了步进电机的运行工况。Discuss the principle of stepper motor microstepping driving and digital PI control strategy. Introduce the hardware and software structure of the two-phase hybrid stepping motor microstepping driver based on DSP technology, and give the actual operation of the motor phase current waveforms. By using voltage compensation, current negative feedback and digital PI regulator, and the stepper motor phase current ＂ladder＂ of sine wave controlling, make the stepper motor phase current nearly sinusoidal, improved operating performance of stepper motor.

关 键 词：步进电机 细分驱动 DSP PI控制 

分 类 号：TP271[自动化与计算机技术—检测技术与自动化装置]