基于K60的步进电动机控制系统实验装置设计

摘要

研制了一套步进电动机控制实验教学装置.选择合适的单片机是整个电动机控制系统实现的基础,K60系列的微控制器拥有ARM Cortex-M4内核,具有高性能、低功耗和丰富的片上资源等优点,可满足电动机控制系统所需的要求.装置由磁粉制动器、减速器、步进电动机、增量式编码器和控制电路组成,其中控制电路包括自制的K60微控制器最小系统板、电源模块、4x5矩阵键盘模块、力矩控制模块、编码器解码模块以及液晶屏显示模块等.最后,介绍了硬件电路和软件设计过程.%Stepping motor is an important control element.It is widely used in the automatic control system in the production field.In order to make the students of automatic control specialty master the working characteristics and usage of stepping motor quickly,a new stepping motor control experimental device is developed.The basic requirement for the whole motor control system is to select the suitable microcontroller.The microcontroller of K60 series has a kernel of ARM Cortex-M4.It has many advantages such as high performance,low power consumption,and rich resources on chip.It can meet various function requirements of motor control system.The experimental device is made of magnetic powder brake,reducer,stepping motor,incremental encoder,control circuit and so on.The control circuit is made of K60 minimum system board made by ourselves,power control module,4 × 5 matrix keyboard module,torque control module,encoder decoding module,LCD module and so on.In this paper,the designs of hardware and software are introduced in detailed.The experimental device gets good teaching results.