This article introduces the main principle of asynchronous Motor DTC system as well as the main characteristic and performance of DSP chip TMS320F240.It shows the design project of DTC control system and the design method of T hardware and software.

• 本文介绍了异步电动机直接转矩控制的基本原理及TM S320F240 DSP芯片的主要特点和性能,给出了控制系统的设计方案和硬软件的实现方法。