基于 AT89S51 单片机的单轴步进电机控制器设计The Design of Single Axis Stepper Motor Controller Based on AT89S51 MCU目 录摘要................................................................................................................................................IAbstract.......................................................................................................................................II引言...............................................................................................................................................1第一章 设计背景..................................................................................................................21.1 步进电机进展史...........................................................................................................21.2 我国步进电机的进展..................................................................................................21.3 步进电机的进展趋势.................................................................................................3第二章 方案设计..................................................................................................................42.1 提出设计课题................................................................................................................42.2 步进电机的工作原理..................................................................................................52.3 步进电机的控制...........................................................................................................62.3.1 步进电机的驱动........................................................................................................62.3.2 步进电机的调速........................................................................................................92.3.3 步进电机的开环控制.............................................................................................112.4 确定设计方案.........................
