This paper presents theoretical analysis on virtual neutral point based sensorless control strategy of brushless DC motor(BLDC motor) with nonideal back electromagnetic force(back EMF) waveform.
深入分析了无刷直流电机采用电角度导通、PWM调制方法下,如何通过定子外接并联电阻网络的中性点(虚拟中性点)相对直流母线中点的电压信号(虚拟中性点信号)获取转子位置信息;对虚拟中性点信号中直流分量的产生作了深入的理论分析,并通过仿真分析证实了上述理论结果。
Based on the method of symmetrical component decomposing,this paper makes theoretical analyses on secondary Voltage drop of voltage transformer under the condition of energy meter\'s neutral point virtual connection.
基于对称分量法,对电能表中性点虚接后的电压互感器二次压降进行了分析,得出了正确接线前后的计量误差变化量。
Theoretical Research on the Virtual Neutral Point Based Brushless DC Motor Sensorless Control Strategy
基于虚拟中性点的无刷直流电机无位置传感器控制关键问题研究
Some comments on virtual machines and virtualization of computer developments
有关虚拟机及虚拟化技术的几点诠注
Finite Element Method for Hydraulic Design of Drip Irrigation Lateral Lines with Virtual Emitter System
虚拟节点有限元法解析滴灌毛管水力特性
The property could not be located in the virtual server configuration.
在虚拟服务器配置中找不到属性。
Implementation of Virtual Keyboard in Brain-Computer Interface with DirectX
脑-机接口中高性能虚拟键盘的实现
Research on Collision Detection of Flexible Cloth in Virtual Environment;
虚拟环境中柔性织物碰撞检测的研究
Construction of Inpidual Tacit Knowledge in Virtual Leaning Community;
虚拟学习社区中个体隐性知识的建构
Tentative to discuss the property right attribute of fictitious things in network games;
试论网络游戏中虚拟物的财产权属性
Nature of the Virtual Assets of Real Estate and Comparison between China and Other Countries;
房地产的虚拟资产性质及其中外比较
Software Implement of Linear Chroma Key of Virtual Studio
虚拟演播室中的线性色键的软件实现
The Study of Virtual Pancreas Based on the Virtual Chinese Human-Female No.1;
基于虚拟中国人女性一号数据集的虚拟胰腺及周围结构研究
From a central location, you can boot and shut down virtual PCs as needed.
从一个集中点，就能按需要引导和关闭虚拟PC机。
Virtual manufacturing is the hotspot in the modem manufacturing technology.
虚拟制造是现代制造技术中的一个研究热点。
Research and Implementation of Computing Node Component in Distributed Virtual Compute Enviroment;
虚拟计算环境中计算节点组件的设计与实现
The Characteristics of Hypothesized Property in Online Games and its Civil Law Protection;
网络游戏中虚拟财产的特点及其民事法律保护
Reflections in the Design of Teaching Interaction Based on Virtual Network;
虚拟网络实验中“教学交互”设计的几点思考
A Partners Choice Mechanism Based on Cooperative MIMO Transmission for Network Lifetime Maximization
网络生命周期最大化虚拟MIMO协作中继节点选择
Virtual view synthesis and plane sweep based depth correction for free-view video
自由视点视频系统中虚拟视合成及校正方法