Critical speed calculation and mode analysis of rotor for high speed motor 高速电机转子临界转速计算与振动模态分析
Analysis of Effect of Longitudinal Wheelset Positioning Error on the Operation Performance of High Speed Motor Cars 轮对纵向定位误差对高速动车运行性能的影响分析
An Analysis on Driving System for High Speed Motor Car Bogies with Cardan Shaft 万向轴式动力车转向架驱动系统分析
Stator and rotor of high speed motor is the key component of high frequence electro-spindle. 电主轴关键的功能部件是高速电机的定子和转子。目前国内尚没有系统成熟的专门针对高频电主轴的电机设计方法。
This paper investigates the application of quantitative feedback theory ( QFT) to high speed linear motor direct-drive X-Y table positioning system. 研究定量反馈理论(QFT)在高速直线电机直接驱动平面运动定位系统控制中的应用问题。
An inverter for low noise high speed induction motor 低噪声高速异步电动机用逆变电源
A study of structure of body of high speed motor cars 高速动力车车体结构的研究
Study on the Key Technologies of Angle Contact Ball Bearing Using for High Speed Motor Spindle 电主轴用角接触球轴承关键技术的研究
The components, the suspension pattern, and the structural characteristics of the driving system for high speed motor car bogies with cardan shaft are analysed systematically. 本文系统地分析了万向轴式动力车转向架驱动系统的组成、悬挂方式及万向轴的结构特点。
In order to obtain the boosting velocity procedure of a high speed motor rapidly and smoothly, a single chip microcomputer controller with self learning ability based on genetic algorithm is developed. 为获得既快又平稳的高速电机升速过程,设计了以单片机为核心的基于遗传算法的自学习控制器。
Study on the Bogie of China Star High Speed Motor Car 中华之星高速动力车转向架研究
Based on the method and developed simulation software, a comprehensive simulation experiment on high speed motor trainset operation is made at the background of Jing-Hu high speed railway and some valuable conclusions are obtained. 在此基础上,利用已开发的模拟软件系统,以京沪高速铁路为背景,对高速动车组运用问题进行综合模拟实验,获得一些有价值的研究结论。
As a result of this, vibration control of high speed motor spindle based on optimum preload is presented in this paper. 基于此,本课题提出了基于最佳预紧力电主轴振动控制技术。
Braking Modes of High Speed Motor Car Unit and its Characteristics 浅谈高速动车组的制动方式及特点
Tentative ideas on maintenance system of high speed electric motor train unit in China 对我国高速列车检修制度的初步设想
Trends of the technology, such as speed sensorless vector control, application of high voltage power electronics device, extra high power drive, regeneration control, multi-level PWM modulation technology, redundancy design, high speed motor application etc. Are also proposed. 最后,从无速度传感器矢量控制、高耐压功率器件的应用、大容量化、能量回馈功能、多电平PWM技术、冗余设计、高速电机应用等方面对该技术未来的发展趋势进行了展望。
The Design and analysis about the High Speed Motor Spindle Equipped with AMB 磁悬浮高速电主轴的设计分析
This paper analyzes weared cause on bearing sleeve of medium sized high speed motor. Countermeasure for gripping the outer ring of bearing is taken, thus solving the common problem causing vibration of motor and having gained a satisfying effect. 分析了中型高转速电动机轴承套磨损的原因,采取夹持轴承外环的对策,解决了引起电动机振动的共性问题,取得了令人满意的效果。
Integral bearing is a new bearing way of locomotive body used on the structure of body of high speed motor cars. 整体承载是在高速动力车车体结构上采用的一种新的机车车体承载方式。
Application of QFT to high speed linear motor direct-drive table positioning control system QFT在高速线性电机直接驱动平面运动定位控制系统中的应用
Development of the Material of Wheel-mounted Disc Brake for High Speed Motor Car 高速动车轮盘制动材料的研制
Principles and Practices of Bearing Test Machine for High Speed Traction Motor 高速牵引电机轴承试验原理及实践
Design Features of High Speed Asynchronous Motor 高速电动机的设计特点
Do the high speed motor highspeed running experiment records the data and analyse, according the experiment phenomena provide the PWM frequency choosing method at the different rotate speed; 对高速电机开环高速运行情况下,实验数据进行记录,并由实验现象给出不同电机转速情况下PWM调制频率的选取依据;
Contemporary flywheel energy storage system ( FESS) is a combination of composite flywheel, high speed motor and high efficient power electronics converter, having great value in engineering. It is suitable for the field of high power pulse supply and power quality enhancement. 现代飞轮储能系统结合了复合材料飞轮、高速电机以及高效率电力电子变换器等技术,具有工程应用价值,可适用于高功率脉冲电源,电能质量提高等领域。
The characteristics of the power loss and thermal property of the high speed motor differ greatly from common motor, because the speed of rotor and the frequency of the electromagnetic field in the high speed motor are well above the average values in the common motor. 高速电机的转速和频率都远高于普通电机,其损耗与温升特点与普通电机有很大的不同。
And, a new sensorless control strategy will also be presented. Firstly, a multi-fields analysis-based design method for the high speed motor is presented in this dissertation. 本文首先研究了一种基于多场分析的高速电机综合设计方法。
In this control model high speed motor can adjust the exhaust gas energy to improve the performance of engine by motor driving or braking. 在这种控制模型中电机通过制动发电或电动驱动来及时调节增压系统的废气能量,从而改善增压发动机的特性。
Variation of the electromagnetic performance of the high speed motor with different stator split ratios, and stator and rotor structures is studied. 研究了随着高速电机定子裂比的减小,电机的转矩密度和电磁损耗的变化规律;研究了不同定转子结构形式对电机电磁性能的影响,重点分析了参数变化时转子损耗的变化情况。
And as a new type of magnetic suspension motor, it can replace high speed motor in the military and industry to realize high speed scanning and image-forming. Besides it is a key unit used in the laser display system. 高速磁悬浮转镜作为一种新型磁悬浮电机可替代高速电机实现高速扫描和成像在军事和工业领域广泛应用,它也是大型激光投影电视的关键设备之一。