查询词典 voltage gradient

Based on the analysis of control strategy of the system, this paper used respectively voltage oriented and stator flux oriented vector control in grid side and rotor side of the converter.

在分析了该系统控制方法的基础上，建立了交直交变频器网侧电压定向以及转子侧定子磁场定向的矢量控制系统模型。

A sensorless control strategy for permanent magnet synchronous motors is presented based on the measurement and observation of stator current,voltage and flux vector.

根据测量和观测的定子电流、电压和磁链，提出了一种永磁同步电动机无传感器控制方案。

Induction motors ; speed sensorless ; vector control ; rotor flux estimator ; voltage model

感应电机；无速度传感器；矢量控制；转子磁链观测器；电压模型

Hybrid Electric Vehicles; Direct Torque Control; Robustness; Voltage Space Vector Module Technology

中文关键词：混合动力汽车；直接转矩控制；鲁棒性；空间矢量调制技术

On the basia of hexagon stator flux trace method with Band-Band control,some improvements are made in the paper on the key sector such as the observation of magnetic field and a new scheme of polygon voltage vector control is presented in order to realize the fast regulation when three-value regulation is used to adjust torque.

使用两点式调节方法对定子磁链进行调节，实现六边形或圆形磁链轨迹方案，并在此基础上对直接转矩控制的关键环节磁通观测提出了改进意见，提出一种基于空间电压矢量调制理论的多边形电压矢量控制方案，以运用三值转矩控制方式实现转矩的快速调节。

In this paper, in order to improve system performance, fuzzy control technique and Voltage Space Vector Modulation technique were applied to DTC.

本文在分析交流电动机数学模型的基础上，首先介绍了直接转矩控制的原理。

This paper introduces the basic principle of pulse width modulation based on voltage space vectors and realization algorithm.

本文介绍了SVPWM的基本原理及其实现算法。

In this case at a voltage le vel of 500 V (at time point 3.3 μs).

0伏特（在3.3微秒的时间点）。

The distribution of electron beam velocity ratio and velocity spread on axis was discussed, and the effects of the anode voltage on electron beam performance was studied.

给出了电子束速度比、速度零散沿轴线的分布，进而讨论了阳极电压对电子束性能的影响，结果表明选择适当的阳极电压和阴极磁场对得到好的电子束参量作用明显。

Is coaxial actuates a alternator based on Simens PLC and its the network direct current velocity modulation system by a direct current motor, the direct current motor to actuate with the direct current velometer and to be loaded with revolves the encoder examination rotational speed; The generator electricity generation voltage after the numeral demonstrated the table demonstrated and delivers to the PLC simulation quantity load module.

在工业控制过程中，继电接触器控制系统因其没有运算、处理、通讯等功能，而不能完成复杂的控制方式，20世纪60年代PLC控制系统应运而生，它综合了计算机技术、自动控制技术和通信技术等现代科技，是当今工业自动控制的标准设备之一；70年代以后，又相继出现了集散控制系统DCS、现场总线控制系统FCS，现在以及今后很长一段时间内会是三种控制方式并存的局面，在这一背景下该文分析PLC控制的现状及发展前景。

The production moved off-Broadway to New York City, where she won the Joseph E. Calloway award for her performance, and was profiled in American Theater Magazine as one of ten young theater artists to watch.

生产提出过百老汇的新的纽约市，在那里她赢得了约瑟夫calloway奖，她的表现，并于异型在美国的战区杂志之一， 10战区的青年艺术家观赏。

It's a risk tradeoff, and I believe that adding test support code usually wins.

这是一个风险的权衡，我相信添加测试代码通常会占上风。