查询词典 rotor

A sensorless BLDC motor system with novel rotor position detection method based on back electromotive force and zero crossing is presented.

通过仿真结果证明，实时的改变PID参数值能够提高电机控制的性能，适应高精度伺服系统的需求。

In order to eliminate direct current drift and saturation problems of pure integrator for back electromotive force,an improved programmable low-pass filter rotor flux estimator was proposed to replace the pure integrator.

为了有效抑制反电动势积分环节所存在的直流偏移和积分饱和问题，采用一个截止频率可根据输出频率进行自调整的低通滤波器来代替传统电压模型磁链观测器中的反电动势积分环节。

According to the quantitative analysis, the critical time to stop or run back the wheel and shaft when the driving rotor generating an impulse during strike of the return high-pressure gas is calculated...

介绍了我厂关键设备氧化铝沸腾焙烧炉罗茨鼓风机的功能，及自1997年11月投产以来先后发生四次事故的情况，重点分析了由于高压气体回流冲击而使同步齿轮与轴配合面产生相对滑移的可能，通过定量分析计算高压气体回流冲击时对主动转子产生冲量使其停止或反转的临界时间，同时提出了预防措施。

The newly increased compressor types of chunlan are mainly rotor compressorand backset compressor. they will be formed separately a series in light of a variety of types.

据了解，春兰此次新增的压缩机主要是转子式和涡旋式，并按各种型号实现系列化，基本能为各型号的空调配套。

This paper introduced a field dynamic balancing method for the rotor suspended by active magnetic bearing s.

介绍了对电磁轴承-挠性转子系统进行本机动平衡的方法。

A new type of on-line dynamic balancing system for the rotor is proposed, whose creativity lies in the design of balancing head and control method.

研制了一种新型结构的转子在线自动平衡系统，提出了全新的平衡头结构和控制方法。

A dynamic model of a rotor- ball bearing system with unbalance-rubbing coupling fault is established.

建立了滚动轴承支承下的转子系统的不平衡-碰摩耦合故障动力学模型。

Twin-rotor continuous mixers are a kind of advanced continuous mixers that characterize both Banbury mixers and twin-screw extruders.

双转子连续混炼机是一种性能优良的连续混炼设备，兼具有密炼机和双螺杆挤出机的优点，是一种具有当代国际先进水平的连续混炼机。

Usage: suitable for lumen magnet bar automatic insertion of electric bicycle brushless motor rotor.

用途：适用于电动自行车无刷电机转子内腔磁条的自动插入。

A reduced order state observer is adopted to reconstruct the rotor flux component, and the poles of flux observer are assigned properly by pole assignment algorithm to satisfy the performance criteria of system and to get the purpose of observing flux.To start with the basis concept of space vector, the paper analyzes the relationship of stator phase voltages and voltage vectors in space.

磁通观测器采用降维观测器，仅对转子磁通分量进行重构，并通过极点配置算法，合理配置观测器的极点，使观测器满足系统的性能指标，达到磁通观测的目的。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。