摘  要：本文阐述了永磁交流伺服电机运行与编码器相位关系理论基础，叙述了系统硬件、软件设计思路，给出了硬件原理图、调相位部分程序框图，介绍了操作步骤，用实例说明了它的应用方法。实践证明，简便易行，效果良好。
关键词：调相位 伺服驱动器 伺服电机

Abstract:  This paper elaborated permanent magnetism AC servo motor movement and the encoder phase relation rationale, narrated the system hardware, the software design mentality, gave the hardware schematic diagram, the accent phase subprogram diagram, introduced the sequence of operation, showed  its application method with the example. The practice proves that the method is easy and feasible, the effect is good.
Key words:  adjust the phase; servo driver; serve motor