查询词典 DC

The main purpose of this paper is to study high quality control of the sensorless brushless DC motor.

中文摘要：本文着重研究了无位置传感器无刷直流电动机的高性能控制技术。

Experimental results show that the designed brushless dc motor can operate stably under -30~180℃.

试验结果表明，无刷直流电动机系统可以在-30~180℃环境下稳定运行。

In theoretical and experimental discussion of the brushless DC motor control on the number of non-linear problems, very interesting.

在理论和实验上讨论了直流无刷电机控制上的几个非线形问题，很有意思。

The principle of brushless DC motor the control method with position sensor is introduced, and the control system based on DSP is presented.

介绍了直流无刷电机的工作原理和基于位置传感器的控制方法，提出了基于数字信号处理器的控制系统。

Brushless DC motor has been widely used in robot, home appliance and aerospace because of its special advantages.

无刷直流电动机以其独特的优点在机器人、家电及航空航天等领域获得了广泛的应用。

In this paper, the configuration and the basic work principle of brushless DC motor are analyzed and its scientific mathematical model is established.

本文分析了永磁无刷直流电动机的结构及基本工作原理，建立了较为科学的数学模型。

It is valuable research to design high temperature brushless dc motor drive and control circuit for oil well detecting.

设计适应油井高温环境的无刷直流电动机驱动电路是一项重要的研究课题。

This program calculates beam pulsing systems consisting of the following elements: klystron buncher (or the combination of this kind of bunehers), single gap harmonic buncher, DC accelerating column and drift space.

它可以计算由三电极双间隙聚束器、单狭缝谐波聚束器、静电加速管和自由飘浮空间组成的束流脉冲化系统。

ABSTRACT Objective: To study the chemical constituents of the roots of Bupleurum chinense DC.

摘 要］目的：研究北柴胡的化学成分。

ABSTRACT Objective: To study the chemical constituents of the roots of Bupleurum chinense DC.

北京医科大学学报000308 目的：研究北柴胡的化学成分。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。