脉动控制

The papers emphases are two aspects: One is reducing the torque ripple using advanced control methods and the other is the research of the speed sensor-less schemes.

本文主要围绕采用先进控制方法抑制转矩脉动和直接转矩无速度传感器算法两方面来进行。

Direct torque control has excellent dynamic performance, but it has large ripple on stator flux and electromagnetic torque.

直接转矩控制系统具有良好的动态响应，但转矩及磁链的脉动较大。

By a series of pulsating cyclic tests of 16MnR steel under stress control at elevated temperature ,transformation laws of the damage variable were measured at different maximum stresses at.

通过16MnR钢在中温应力控制条件下的脉动循环试验，测出在相同温度、不同最大应力以及相同最大应力、不同温度下的损伤变量变化规律。

Space vector modulation is an effective measure to eliminate the electrical harmonics in the power electronic system and, consequently, is possible to be utilized to reduce the torque ripple in an inverter-fed motor.

空间矢量调制是一种常用的消除电力谐波的调制技术，更可用于电机控制中转矩脉动的削减。

In this paper, the research of the non-ripple torque control system of brushless motor is an emphasis.

本文的主要研究对象是永磁无刷电机无脉动转距控制系统。

objective to study the disinfection of peracetic acid and the effect of acid residue on ph.

加强灭菌物品质量管理，有效控制医院。。。影响脉动真空压力蒸汽灭菌效果因素的。。。

Based on the general platform, according to a type of pulsant vacuum sterilizer, some modules of sterilizer have been developed, such as the module of sterilizer data collecting and controlling,the system of man-machine interface and etc..

本文在通用硬件平台的基础上，针对一种脉动真空灭菌器，扩展开发了灭菌数据采集控制模块和人机界面系统。

On the view of the result of experiment, the motor started stably and quickly with small toque pulsant and had wide scope of speed adjustment. It can content all of the request of the compressor of refrigeratory.

本控制系统是针对冰箱压缩机电机研制的，从试验的测试结果来看，电机起动稳定快速、转矩脉动小，具有较宽的闭环调速范围，完全满足冰箱压缩机电机各项性能指标要求。

At first,the prin ciple of BLDCM is analyzed and the model is built;then a test is performed on a tining system of close loops of speed and current;torque ripple components are r educed by controlling switching andles of the PWM.

文中首先建立永磁无刷直流电机的数学模型，以此进行转速和电流双闭环调速系统控制；并通过调节 PWM发生器的开关频率来减少转矩脉动。

What's best is that many of the automatic drips have controls that slow the pulsing of the water.

什么是最好的，许多自动滴水缓慢的脉动已经控制了水。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失