The efficiency of PLC control is increased at high speeds up to 95% of the synchronous speed.
PLC控制效率在同步速度达到95%时提高不少。
The newly designed backstepping control is implemented for permanent magnet synchronous motor (PMSM) to track speed commands, at the same time the design can provide better speed tracking performance.
设计的反推控制可以实现永磁同步电动机速度跟踪控制，保证系统具有良好的速度跟踪性能。
A nonlinear speed controller for permanent magnet synchronous motor based on adaptive backstepping control was designed, which USES second-order filter to smooth the speed reference.
设计了一种基于自适应反步控制的永磁同步电动机非线性速度控制器，采用二阶滤波环节平滑速度指令。
A sensorless vector control method for permanent magnet synchronous motor (PMSM) drive at very low speed was presented.
介绍了一种极低速段永磁同步电机无速度传感器矢量控制方法。
Finally, the indirect vector control system is made as the research target and double close loop control systems which contain synchronous current inside loop and speed outside loop are introduced.
首先对磁场定向控制理论进行了详细分析，比较后采用间接磁场定向的控制方法，并建立基于同步电流内环、转速外环的双闭环控制结构。
The feasibility of designing controller for control permanent-magnet synchronous motor speed is proposed by using differential geometry theory.
对采用微分几何方法设计永磁同步电机转速控制器的可行性进行了研究。
The Load-Commutated Inverter(LCI) fed synchronous motor control system which is applied to the main drive for high speed wire finishing mill of Baotou Iron and Steel Co is presented.
介绍了用于包钢高速线材厂精轧机主传动中的负载换流同步电动机控制系统。
Generally speaking, in the PMSM (Permanent-magnet synchronous motors) control system, mechanical sensor on the rotor shaft is required to detect the position and speed of the rotor.
一般来说，在电动机调速控制系统中需要在转子轴上安装机械传感器，测量电动机的速度和位置。
This paper present a fuzzy control strategy of high speed permanent magnet synchronous motor for precision grinder.
将模糊控制引入精密磨床的高速永磁同步电动机驱动系统速度控制中。
Because the AC asynchronous motor 'synchronous speed is determined by the frequency, we can control the AC asynchronous motor' speed by changing the supply power's frequency.
交流变频调速系统是利用异步交流电动机的同步转速随频率变化的特性，通过改变电机的供电频率而进行调速。
The hoist will be driven by a 5,000 kilowatt (kW) synchronous motor powered by ABB's state-of-the-art ACS 6000 drive system to control torque and speed for energy efficient ore haulage.
提升机由ABB公司最先进的ACS600驱动系统提供5000千瓦同步电动机来驱动，控制转矩和速度以提高矿石运输的效率。
The effectiveness of the PLC-based control software is satisfactory up to 96% of the synchronous speed.
基于PLC的控制软件的工作效率可达同步速度的96%，非常令人合意。
A kind of new synchronous motor from abroad and its principle analyses of control system that is applicable to the twist-free finish mill of WuSteel high speed rod mill are introduced.
介绍了应用于武钢高速线材生产线精轧机传动的新型同步大电机，并对其控制系统原理进行了分析。
The second part mainly exploits and manufactures the wheel driving style, the detection and display of braking oil pressure and the wheel speed as braking control process synchronous.
第二部分主要是对车轮的其驱动方式、制动油压的检测与显示、轮速的检测与显示、制动控制过程的实时检测与显示等内容进行了开发与研制。
The structure and control of direct-driven permanent magnet synchronous wind power generation system are analyzed, and the development direction of variable speed wind power generation is introduced.
对直驱式永磁同步风力发电系统的结构与控制进行了分析，并展望变速风力发电的发展趋势。
According to the requirements of synchronous speed control of series conveying belt, several patterns which could realize the synchronous speed control under frequency conversion was analyzed.
针对多级胶带输送机同步运行要求，分析了胶带机变频拖动同步运行实现的几种模式。
Develops a new-type analog calculation control multi-motor synchronous system composed of analog-regulating speed systems each making up a unit drirve.
本文提供一种新型摸拟运算控制多电机同步系统，它由模拟调速率系统组成各单元浮动，然后组合成多电机同步系统。
A systematical analysis of dynamic characteristic of the pulse-synchronous camera control ystem is described, as to make the results help the researches in phase lock speed-stabilizing ystem.
本文对脉冲同步摄影机控制系统的动态特性进行了系统的分析，以便使所得结果对锁相稳速系统等方面的研究有所帮助。
Since the original motive of synchronous generator speed and excitation voltage coupling relations, the excitation system designers at the same time have to consider speed control.
由于同步发电机的原动机转速和发电机电压的耦合关系，使设计者在设计励磁系统的同时不得不考虑转速控制。
The direct torque control for permanent magnet synchronous motor is affected by the variation of stator resistance, and consequently the accuracy of speed adjusting system.
永磁同步电机直接转矩控制受定子电阻变化影响，进而影响调速系统的精度。
The voltage converter works in PWM mode. Frequency-control speed regulation, DC voltage supply monitoring of the converter, synchronous motor power-angle close-loop control are combined.
控制策略为逆变器PWM调压、变频调速结合逆变器直流侧电压闭环、同步电动机功角闭环控制。
Based on vector control system of Bearingless Permanent Magnet Synchronous Motor (BPMSM), a speed-sensorless control strategy using Extended Kalman Filter (EKF) was presented.
基于无轴承永磁同步电机的矢量控制系统，提出了采用扩展卡尔曼滤波器实现无速度传感器运行的控制策略。
The dynamic performance of Synchronous-Self-Shifting clutch is of great importance to the control on transmission of power, rotation speed and load.
该装置的柴油机及燃气轮机功率、转速及负载转换控制、自动同步离合器的动态性能指标等是影响舰船机动性和操纵性的重要因素。
The new method was proposed to design linear synchronous motor with interior permanent under the flux-weakening speed control from the saliency ratio.
从凸极率角度出发，对内部磁极结构电机提出了新的设计方法。
This article put forward the electro-exciting low speed synchronous motor applied to control rods of the nuclear reactor.
本文提出核反应堆控制棒用电励磁式低速同步电动机来带动。
This article put forward the electro-exciting low speed synchronous motor applied to control rods of the nuclear reactor.
本文提出核反应堆控制棒用电励磁式低速同步电动机来带动。
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