基于TMS320F240 DSP的直接转矩控制系统的设计

Design of the Direct Torque Control System for Asynchronous Motors Based on TMS320F240 DSP

直接转矩控制(DTC)是一种高性能的电机控制方法,它根据磁通和转距的要求,直接选择逆变器的开关顺序,使电机在最佳状态下运行。本文作者设计了一套基于TMS320F240 DSP芯片的异步电机直接转距控制系统,介绍了其原理、软硬件结构及工作流程。实验结果证明了设计方案的可行性和系统的优良性能。

Direct torque control is a high performance control method,which directly selects inverter's switch sequence.According to the demands of flux and torque,it makes the Asynchronous Motor run in ideal state.A DTC system based on TMS320F240 DSP is designed.The elements and the structures of its hardware and software are introduced with its flow chart.The experiment results show that the design scheme is feasible and the system's performance is excellent.