说明：  [绝对可运行]异步电动机的直接转矩仿真（运行环境matlab6.5）有助于接触异步电动机的直接转矩控制的人快速熟悉直接转据的整个结构和具体方法
([Absolute run] asynchronous motor direct torque simulation (operating environment matlab6.5) help contact asynchronous motor direct torque control of the people familiar with the direct transfer, according to fast the whole structure and the specific methods)