摘  要：介绍了直接转矩控制的基本原理，给出了以TMS320F2808为核心的异步电机直接转矩控制系统的设计方案和软件实现，进而对直接转矩控制系统进行了实验。同时，磁链观测和转速PI的积分的离散化为软件程序设计带来了很大的方便。实验波形表明，系统具有良好的动静态性能，所提方案是可行的。关键词：直接转矩控制；TMS320F2808；感应电机

Abstract: The paper introduced the principle of direct torque control,gave the software design of the direct torque control system for asynchronous motor based on TMS320F2808.The discretization of integration for the flux and the PI of speed was given convenience for program design.The result shows that the system have good static and dynamic performances,and the scheme is feasible.
Key Words: Direct torque control;TMS320F2808;Induction motor