查询词典 brushless

The brushless permanent magnet automobile a. c. generator has the advantages of high reliability, long service life, high efficiency, good performance at both low and high speed, low radio interference, simplifying its associated voltage regulator, cutting down materials, technology simplified, as well as high power/weight ratio, etc.,and will be a new product with broad prospects and large market.

无刷永磁汽车交流发电机由于取消了碳刷、滑环及励磁绕组，可大大提高可靠性，延长使用寿命，具有效率高，低、高速性能好、无线电干扰小，与之匹配的电压调节器结构简单、节约原材料、工艺性能好、比功大等优点。

The theory of electromagnetic field and the method of finite elements are used in precise calculation of back electromotive force in the traditional design of brushless DC motor.

采用人工神经元网络理论则可以有效地解决计算的准确性与计算量之间的矛盾。

In the light of the trapezoidal back electromotive force and square phase current of brushless DC motor,a novel strategy of matrix converter driving BLDCM is presented in this paper.

针对无刷直流电机反电势为梯形波、相电流为方波的特点，提出一种用于驱动无刷直流电机的矩阵变换器的控制策略。

Company's existing products for LD, CD, VCD, DVD, MD Recorder, CD-ROM and Camcorder such as audio, audio-visual equipment, spindle, skinhead, open boxes electric motors as well as Salisbury, electronic blood pressure device, game, gas valve, cash registers, electric toothbrushes, electric kettle, hair dryer, electric stove, massage chairs and so on supporting DC, and ultra-thin brushless motors, the main models have 300,310, 370,380,385,400,500,520,530,540,545,550,555,775,050,030,031,032, N30, N20, M20, K20, 180,130,12025 B10, CT-22 and brushless motor, hand-cranked generator series.

公司现有主要产品为LD、CD、VCD、DVD、MD Recorder、CD-ROM和Camcorder等音响、音像设备的主轴、光头、开盒马达以及电梳、电子血压仪、游戏机、燃气阀、点钞机、电动牙刷、电热水壶、电吹风、电磁炉、按摩椅等等配套直流、无刷及超薄马达，主要型号有 300、310、370、380、385、400、500、520、530、540、545、550、555、775、050、030、031、032、N30、N20、M20、K20、180、130、12025B10、CT-22及无刷电机、手摇发电机系列等。

A new brushless DC motor DTC scheme was studied to solve those problems associated with direct torque controlof brushless DC motor,such as difficulty to control flux and complexity to estimate torque.The flux hysteresis controller was ignored in the constant torque region and an improved method was proposed to make the estimation of torque easier.The proper stator voltage space vector was selected based on the output of the torque hysteresis controller and the sector which the current rotor flux locates in.

摘 要：针对无刷直流电机直接转矩控制中磁链观测困难、控制复杂等问题，提出了一种应用于无刷直流电机二二导通方式下的新型直接转矩控制方法：在电机基频以下调速时，略去了常规的磁链观测控制环节，改进了转矩计算方法，通过转矩滞环控制选择所施加的空间电压矢量。

Sensor less blushless direct current motor is the prospect of brushless direct current motor, however, the key factors which rotor position estimation can be diffcultly gotten at standstillor low speed limit brushless motors use.

无位置传感器无刷直流电机是无刷电机的发展方向。

The appearance of brushless DC motor brought the development of EPS a new opportunity. BLDCM does not only possess almost all the advantages of a DC motor, but also has a series unique advantage. The way of taking the place of DC motor by a permanent magnet coreless brushless DC motor gives a totally new method for the development of EPS in the future.

无刷直流电机的出现为电动助力转向的发展带来了新的机遇，它不仅具有几乎直流电机的全部优点，同时还具有一系列无可比拟的优势，特别是采用无铁心永磁无刷直流电机代替普通直流电机，不失为今后电动助力转向发展的一种全新思路。

At last ,it drew a conclusion that summarined the design thought of permanent magnetic brushless DC motor control system after absenting waves of controllers work . Permanent Magnetic Brushless DC motor control system canbecome main power source in ship electric propulsion field ,and the research have important s signification.

最后，在控制系统实际运行时对波形进行了观测，给出了结论，总结了无刷直流电机控制系统的设计思想，提出永磁无刷直流电机将成为船舶电力推进的主要动力，对其控制系统的研究具有广泛的应用价值。

The mathematic simulation software compiled by this paper has been used to simulate the basic characteristics of the main parts of the aircraft ac EPGS, include the permanent brushless dc generators , the exciters with rotating rectifiers, the brushless ac generators, the brushless dc generators, the inverters and the automatic voltage regulators .

运用本文建立的数字仿真软件对飞机交流电源系统的主要部件，包括永磁无刷直流发电机、旋转整流励磁系统、无刷交流和直流发电机、逆变器和调压器的基本特性进行了研究。

Brushless DC motor driver for the use of six-phase control procedures, can be used for six three-phase full-bridge driver circuit of brushless DC motor control.

详细说明：无刷直流电机驱动程序，采用六段换相控制程序，可用于六管三相全桥驱动电路的无刷直流电机控制。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷