幅相控制,phase and amplitude control
1)phase and amplitude control幅相控制
1.Study and application of unity power factor elevator energy-regeneration system based on improvedphase and amplitude control;基于改进型幅相控制的单位功率因数电梯能量回馈器研究
2.Based on the fact that general inverter can’t meet the need of braking rapidly and the need of running between forward and reverse frequently, an SPWM energy-feedback control system based onphase and amplitude control is designed.针对变频器不能直接用于快速起动、制动和频繁正反转调速场合的问题,设计了一种基于幅相控制的SPWM能量回馈控制系统,克服了传统Bang-Bang控制存在的控制精度低的缺陷,实现了单位功率因数正弦波电流回馈和对回馈电流精确控制,使变频器可四象限运行。
3.In this paper,the vector regulating principle of thephase and amplitude control for three-phase PWM grid-connected inverters is represented.阐述了三相PWM并网逆变器幅相控制中的相量调节原理,针对系统启动时并网冲击电流大和动态响应较慢的问题,提出了开启电压预测控制和电流前馈控制两种方法,利用直流母线电压变化率推导出起动时刻理想初始参数和电流前馈调节量,有效地改善了系统在幅相控制下启动并网时刻的动态性能。
英文短句/例句
1.Improvement of Starting Performance for Three-Phase PWM Grid-Connected Inverter Based on Phase and Amplitude Control三相PWM并网逆变器在幅相控制下的启动性能改善
2.Phased-Array Radar Recognition Technology Based on Pulse Amplitude基于脉幅信息的相控阵体制雷达识别技术
3.automatic amplitude control自动幅度控制自动调幅控制
4.plitude-controlled clamp电压振幅箝位控制电路
5.The government exercises strict control over price range政府严格控制物价幅度。
6.optimum amplitude and phase modulation最佳振幅与相位调制
7.Analysis of the Transmission Performance of Octal Differential Phase-Amplitude-Shift Keying in High Speed Optical Fiber Communication System高速光传输系统中八进制差分相位幅度键控性能分析
8.A Study on Errors of Multi-channel Amplititute and Phase Calibration for Active Phased Array Antenna有源相控阵雷达多通道幅相校准研究
9.Research on Model Reference Adaptive Internal Model Control with Control Input Limitation;有控制限幅的模型参考自适应内模控制研究
parison between two types of PI controllers in non-linear amplitude control algorithm非线性幅值控制算法中2种PI控制器的比较
11.Equally Swing Control of Two Stepping Motors with Microprocessors双步进电动机等幅摆动单片机控制
12.Design of SCM Control System for Width of Blowing Plastic Film吹塑泡膜幅宽单片机控制系统的设计
13.100KW AM Radio Transmitters Embedded Control System;100KW调幅广播发射机嵌入式控制系统
14.Research on regional borderline control area calculation行政区域界线破幅控制面积算法研究
15.Control System of the BRUGMAN Width Bleaching and Washing Combined MachineBRUGMAN宽幅退煮漂联合机控制系统
16.System characteristics and control of drive mode in MEMS coriolis vibrating gyroMEMS振动陀螺驱动模态稳幅特性与控制
17.Wide Format Ink-jet Printer Control System Based on SOPC基于SOPC的宽幅喷墨打印机控制系统
18.Three-Phase Controlled Rectifier and Regulator Realized on PIC Microcontroller基于PIC单片机实现三相可控整流与稳幅
相关短句/例句
PAC[英][p?k][美][p?k]幅相控制
1.APAC Based Three-Phase Zero-Voltage Soft-Switching PWM Converter;基于幅相控制方式的零电压软开关三相PWM变流器
3)Amplitude-Phase Control幅相控制
1.Then, based on amplitude-phase control and vector control theory, the inverter system simulation model is built using the MATLAB simulation platform Simulink.本文首先在分析了电梯能量回馈系统模型和基本原理的基础上,利用MATLAB的仿真平台Simulink,建立了基于幅相控制和矢量控制的逆变器系统仿真模型,仿真结果在理论上验证了本控制策略的可行性。
4)phase and amplitude control相幅控制
1.Novelphase and amplitude control of voltage-fed PWM rectifier;电压型PWM整流器新型相幅控制
5)harmonic amplitude-phase contro l谐波幅相控制
6)phase and amplitude contol相位和幅值控制
延伸阅读
气相控制分子式：CAS号：性质：又称气膜控制。在气液两相传质中，气膜阻力很大，液膜阻力可忽略不计的过程。根据双膜理论，传质阻力有如下关系：，式中KG为气相总传质系数，kG、kL分别为气膜传质系数和液膜传质系数，H为溶解度系数。为气相传质系数表示的总传质阻力，为气膜阻力，为液膜阻力。当组分在液相中溶解度很大即H很大时，与比较可以忽略不计，则总阻力，此时即为气相控制。气相控制体系为易溶于气体的气液传质（吸收）体系，如水吸收NH3，水吸收HCl气体等。
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