本文介绍了控制系统的主要功能、硬件结构和软件功能。简单介绍了各主要模块的实现理论及编思想。本系统具有动态性能好、控制精度高和可靠性好等特点。 关键词: 单片机 控制 步进电机 Abstracts: The primary function and hardware structure principle as well as software functionare introduced.. The realizing theory and programming idea of main modules are discussed. The system has very quick dynamic response, high controlling regulation and high reliability.