1.Direct torque control(DTC) is a new kind of high-performance AC timing control technique.
直接转矩控制(D irect torque contro l)是一种新型的高性能的交流调速控制技术。
2.Direct Torque Control (DTC) is a high dynamic performance speed control system developed after Vector Control Technology in two decades.
直接转矩控制（Direct Torque Control）是近二十年来继矢量控制技术之后发展起来的高动态性能调速系统。
3.Direct torque control (short for DTC), is a high-efficiency control technology in the variable frequency adjustable speed field of ac motor drives.
直接转矩控制(Direct Torque Control，简称DTC)是一种高效的交流调速技术，具有优良的调速性能和快速性，但是存在着转矩脉动比较大的问题；
4.In this paper,a voltage switching table for the Direct Torque Control(DTC) of the Permanent Magnet Synchronous Motor(PMSM) fed by the FSTPI is established based on the detailed analysis of voltage vectors,and the control principle of the PMSM DTC system fed by FSTPI are discussed as well.
现以三相四开关永磁同步电机(Permanent Magnet Synchronous Motor,简称PMSM)直接转矩控制(Direct Torque Control,简称DTC)系统为研究对象,通过重新定义三相四开关状态下的电压矢量,确立了开关表,并以此为基础建立了相应的系统控制模型。
5.The flux ripple, the current ripple and the torque ripple of the traditional direct torque control (DTC), indirect torque control based on three phases asynchronous sinusoidal pulse width modulation (ITC) and the direct torque control based on space vector modulation (SVM-DTC) are studied by using of Matlab/Simulink, the advantages and disadvantages of the methods are pointed out.
在完成论文的过程中，基于从整体到局部再到整体的方法论，论文在分析异步电动机各种控制方法的基础上着重研究了传统的直接转矩控制(DTC)、基于三相异步正弦脉宽调制的间接转矩控制(ITC)和基于空间矢量调制的直接转矩控制(SVM-DTC)。
6.In the method, load torque and accelerating torque are measured with the torque-speed sensor and the inertial electrical automatic compensator respectively based on the law of dynamics, and the dynamic output torque of the measured motor is obtained.
该方法以动力学定律为基础,用转矩转速传感器和惯性电气自动补偿器分别测取负载转矩和加速转矩,从而得到被试电机的“动态”输出转矩。
7.The output torque is made up of the torque caused by the magnetic field, the torque caused by the plastic viscosity of the MR fluid,and the torque caused by the coulomb friction.
阻尼力矩的模型主要由以下几部分组成:一是由磁场作用于磁流变液产生的力矩,二是由磁流变液的动力粘度产生的力矩,最后是由装置的摩擦产生的力矩.
8.As for the problems in the experimentation, such as the slow response speed of axes torque control, the disturbance of torque control to position control of throttle lever and the torque fluctuation of axis, solutions had been put forward and proved theoretically.
对于试验过程中出现的以下问题，油门杆高速运动中输入轴力矩控制的响应速度较慢，输入轴力矩控制对油门杆位置控制的扰动，以及输入轴力矩脉动现象，提出了解决方法，并且从理论上加以验证。
9.It is based on the compensation of the stator flux linkage vector error using the space vector modulation in order to decrease the torque and flux linkage ripples and produce fixed switching frequency under the principle that the torque is controlled by the torque angle in ESM.
它基于电励磁同步电动机中转矩角控制电磁转矩原理,利用空间电压矢量合成出最佳电压矢量实时补偿定子磁链矢量误差,以达到减小电动机在运行中电磁转矩及定子磁链脉动量之目的,同时又能基本维持开关频率恒定。
10.According to the tested results, the main cutting edge of drill point is chiefly subjected to torque, its torque is 83 4%～90 5% of the total torque, but the chisel edge of drill point is mainly subjected to thrust, its thrust is 77 0%～84 5% of the total thrust.
测试结果表明 ,钻头主切削刃和横刃轴向力分别占总轴向力的 1 5 5%～ 2 3 0 %和 77 0 %～ 84 5%,主切削刃和横刃的扭矩分别占总扭矩的 83 4 %～ 90 5%和 9 5%～ 1 6 6%,说明钻头轴向力主要由横刃承担 ,而扭矩主要由主切削刃承担。
