speed range的例句大全

but the step motor efficiency is low, the ability is not big, load drag pulse equivalent cannot too big, speed range is not big.

但步进电机的效率低，拖动负载的能力不大，脉冲当量不能太大，调速范围不大。

It is necessary to keep the preload constant over the speed range of the spindle.

保存在纱锭的速度范围上的预载常数是必需的.

The paper introduces the conception of 2 D speed protection and analyses its principle, which includes the analyzes of the force on the train when applying the eddy current brake and during the slide, and calculates the distance speed limit curves and the allowable speed range.

介绍OCS二维速度防护的概念，并分析了它的原理，包括列车在紧急制动和滑行时的受力分析、距离&限速值计算以及允许速度带的计算等。

operating temperature range operating speed range buffer type buffer stroke joint pipe bore

使用温度范围℃使用速度范围缓冲型式缓冲行程接管口径

And then the critical speed range for different aircraft types is analysed based on the push curve, and this article makes a further analysis to the relationship between the critical state of flight path stability and the optimum speed on the basis of the aircraft polar curve.

然后以推力曲线为基础分析了不同类型飞机的临界速度范围，并根据飞机极曲线对飞行轨迹稳定性临界状态与有利速度的关系进行了分析。

A paraglider has a very limited speed range.

一顶飞行伞有著非常有限的速度区间.

Experimental results indicate that the controller can provide a controllable speed range from 0.2 to 10000 r/ min with satisfactory dynamic and static performances.

实验结果表明，该控制器在低速与高速运行状态下均能获得良好的动态和静态性能，其可控转速范围为0.2-10000r/min。

Fluid Controller The Jerking Motion of Servomechanism in Low Speed Range

流体控制装置伺服机构的低速爬行

The test results showed that hot deformation promoted ferrite and bainite transformation, enlarged cooling speed range to form ferrite and inhibited feathery bainite transformation.

热变形促进了铁素体和贝氏体相变，扩大了形成铁素体的冷却速度范围，推迟了羽毛状贝氏体的形成。

Within entire missile speed range, these technologies not only improve thrust performance by regulating nozzle flow, but also realize missile direct thrust control through constructing vectored thrust.

在导弹飞行全速度范围内，既可实现冲压喷管流量调节，大幅提高冲压发动机高速巡航性能，又可构造出矢量推力，用以实现导弹飞行的直接力控制。

field-weakening control can make the motor running over the rated speed and meet the wide speed range of high speed train.

减弱电动机磁场使电机转速升高的方法—弱磁控制，可以使电动机运行在额定转速以上，从而满足高速列车的宽调速范围运行。

in addition, the inverter can also reduce the harmonic current and torque pulsation for pmsm in the fully adjustable speed range.

在永磁式同步电动机侧不仅达到调速的控制，亦能降低电动机电流谐波含量，以减少脉动转矩。

Hydrostatic transmission , double drive, two amplitudes, 3 speed range , infinitely variable speed, good over-lap-ping.

全液压 、 驱动 、 振幅 、 档无级变速,十字铰接式车架.

In the end , an example of a variable gear with extension speed range is given.

以一种扩大调速范围型无级变速机为例,用“特性图”对其进行运动分析和功率流分析.

Determination of Economic Lapse Speed Range for Centrifugal Pump

离心泵降速经济运行范围的确定

Control strategy: As is known to everyone, in low-speed range ( n0.25 n N), asynchronous motor traditional direct torque control method exists some problems, for example, low frequency switch, unfixed switching frequency, torque ripple and so on.

控制策略方面：众所周知，低速范围（n0.25nN）内，异步电机的传统直接转矩控制方法存在开关频率低、开关频率不固定以及转矩脉动大的问题。

Considering the system's wide speed range and IPM's switching frequency's top limit, the variable flux linkage locus structure control has been executed in the full speed adjusting range.

考虑到系统调速范围宽和逆变器开关频率的限制，在全频域采用分段变磁链轨迹结构的控制方法。

Experiments show that the motor phase current controlled by this kind of SPWM inverter can be strictly sinusoidal and the running of the motor can remain steady for the ultra low speed range.

实验结果表明，这种SPWM逆变器控制的电机相电流严格正弦，能在超低速下平稳运行。

An Efficiency Optimization Strategy of Asynchronous Motors over Wide Speed Range for Electric Vehicles

车用异步电机宽调速范围效率优化策略

CNC machine tools demands the spindle motor output larger torque at low speed and have wide constant power speed range at high speed.

数控机床要求主轴电机能在低速时输出较大转矩，高速时有宽广的恒功率调速范围。