脉冲宽度调制

脉冲宽度调制技术在功率MOSFET逆变器中的应用

PWM Technique for Power MOSFET Inverter

给出了一种新型的EDFA泵浦激光器控制器，采用脉冲宽度调制（PWM）方式实现泵浦的自动温度控制（ATC）及自动功率控制（APC），比传统模拟方式降低了功耗和体积。

In this paper , a new type of EDFA pump laser controller is presented . By using PWM technology to implement the pump ATC and APC , power consumption and size of pump controller are significantly reduced compare with the previous analog counterparts .

基于DSP生成正弦脉冲宽度调制在逆变电源中的研究脉冲宽度调制变换器

Research on Sinusoidal Pulse Width Modulation in Inverse Transforming Power Supply Based on DSP

脉冲宽度调制（PWM）技术在许多领域有着广泛的应用。

Pulse-Width Modulation ( PWM ) technique is widely applied in many fields .

文中提出了一种新颖的可以有效消除脉冲宽度调制（PWM）逆变器产生的共模电压的有源滤波器。

This paper proposes a novel PWM inverter output active filter for common-mode voltage reduction .

本文介绍了一种新的正弦脉冲宽度调制（PWM）法在MOSFET逆变器中的应用。

A new sinusoidal PWM is present with using power MOSFET inverter .

介绍一种基于脉冲宽度调制（PWM）交流控制技术的新型静止移相器。

A new static phase shifter based on PWM AC controller is presented in this paper .

脉冲宽度调制或PWM，是通过数字均值获得模拟结果的技术。

Pulse Width Modulation , or PWM , is a technique for getting analog results with digital means .

因使用PWM（脉冲宽度调制）电路，产品具有较宽的调光范围。

Because of built-in PWM circuit ( pulse width modulation circuit ), dimming range is wider than earlier type products .

脉冲宽度调制PWM（Pulsewidthmodulation）采用了旋转电压矢量的PWM方法，体现了对瞬态电流变化的极佳控制特性。

The space vector pulse width modulation ( PWM ) is adopted , which shows the excellent control performance for the transient current .

用GAL器件实现了脉冲宽度调制（PWM）。

PWM is realized by GAL device .

因此采用全CMOS数字电路分别实现电容和电阻的脉冲宽度调制&脉冲位置调制，获得表征被测信息的脉冲位置信号，再进行电复合和光脉冲发射。

The probe uses complete CMOS circuit to realize pulse-width modulation to pulse-position modulation of differential capacitance and thermistor .

这类开关电源的效率比常规的脉冲宽度调制（PWM）高，且基本上与负载无关；

The device has a higher efficiency than the conventional switching power supply with PWM , and it is almost load-independent .

脉冲宽度调制（Pulsewidthmodulation，PWM）控制技术在功率变换装置中的应用，为整流器性能的改进提供了变革性的思路和手段。

The application of Pulse Width Modulation ( PWM ) controlling technique in the power conversion applications provides revolutionary idea and method for the rectifier .

提出了一种新颖的用于脉冲宽度调制（PWM）动系统的逆变器输出滤波器。

A novel inverter output filter consists of the variable inductance and capacitor is proposed for pulse-width modulated ( PWM ) drive system .

以虚拟磁链为核心，建立三相Boost型脉冲宽度调制（PWM）整流器直接功率控制系统的模型结构。

A model structure of the direct power control system of three-phase Boost type pulse width modulation ( PWM ) rectifier which focused on virtual flux was established .

随着电力电子变换和控制技术的发展，在现代工业中，采用脉冲宽度调制（PWM）方式逆变器的综合性能不断提高，其应用范围也日益广泛，如变频器、不间断电源（UPS）等。

As the development of power electronics and control technology , the performance of inverters using pulse width modulation ( PWM ) has been gradually improved .

本文介绍了一种脉冲宽度调制（PWM）变频调速系统的工作原理及特性，以及在微机控制纤维缠绕机（MCFWM）系统中的应用。

This paper introduces the work concept of a PWM variable frequency ID regulate velocity system , work characteristics and application in microcomputer control filament winding machine system .

分析了不对称规则采样法正弦脉冲宽度调制SPWM（SinePulseWidthModulation）波生成原理，并把不对称规则采样法SPWM调制应用于三相AC-AC矩阵式变换器。

The asymmetric regular sampling method SPWM ( Sine Pulse Width Modulation ) is studied and then applied in the three-phase matrix AC to AC converter .

该设计集成了脉冲宽度调制（PWM）和脉冲密度调制（PDM）两种调制方式，并可以在两者间切换。

This controller integrates pulse width modulation ( PWM ) and pulse density modulation ( PDM ) together , and can easily change between the two modulations .

脉冲宽度调制（PWM）是一种对模拟信号电平进行数字编码的方法，利用PWM技术改变供电电压的占空比可以实现对电机转速的调节。

Pules-Width Modulation ( PWM ) is an digital coding method of analog signal . In this technology we can use a duty cycle to change the motor speed .

功率变换技术是现代逆变系统中最重要的技术之一，而脉冲宽度调制（PWM）技术则是主要的功率变换技术。

And the pulse-width modulation techniques are the major part of the power converter techniques , which have been the subject of intensive research during the last few decades .

旨在对ARM的深入学习，论文对STM32定时器产生PWM（脉冲宽度调制）输出进行了研究。

On the intention of study on ARM , timer of STM32 produce pulses PWM ( width modulation ) is studied in this paper .

脉冲宽度调制模式&Pulsewidthmodulation（PWM）是一种传统而被业界广泛采用的功率集成电路调制模式，它通过调节功率管导通时控制脉冲的占空比来调节输出电压。

Pulse Width Modulation ( PWM ) is a traditional and wide-used modulation for power IC . It regulates the output voltage by changing the duty cycle of the pulses on the switch power device .

FANUC一11型交一直一交频调速系统，调速的控制方法为脉冲宽度调制（PWM）法。

The AC servo system of FANUC 11 series is a AC-DC-AC conversion frequency speed adjusting system , which use PWM as the speed-adjusting control method .

然而，逆变器输出的PWM（脉冲宽度调制）连续高压脉冲的上升沿很陡、频率很高，导致在脉冲电压下牵引电机绝缘过早失效。

However , Pulse Width Modulation ( PWM ) which was input from inverter is characterized by steep rising edge and high frequency , resulting in the too early failure of motor insulation .

本次毕业设计提出了一种基于脉冲宽度调制（PWM）和脉冲频率调制（PFM）模式的高效率，低功耗开关电源直流电压转换器的设计方法。

A design method of a high-efficiency , low-power , switching-power DC-DC converter with pulse-width modulation ( PWM ) and pulse-frequency modulation ( PFM ) modes is presented .

基于开关磁阻电机的线性模型对其电流斩波控制（CCC）、角度位置控制（APC）和脉冲宽度调制控制（PWM）3种控制方式做了仿真分析。

The paper mainly analyzes three control methods : Current Chopping Control , Angular Position Control and Pulse Width Modulation control based on switched reluctance motor linear model .

概述了桥式脉冲宽度调制（PWM）功率源的工作原理，以及开关元件IGBT的驱动、过压、过流保护等问题。

The operating principle of a bridge type Pulse Width Modulation ( PWM ) power source , driving of switch element IGBT , overvoltage and overcurrent are briefly described in the paper .

在三相空间矢量脉冲宽度调制（PWM）的基础上，提出一种适用于五相异步电机变频调速系统的五相空间矢量PWM控制技术和调制方法。

On the basis of three-phase space vector PWM ( SVPWM ), a novel theory and an implementation method of five-phase SVPWM suitable for the frequency control system of five-phase induction machine were then proposed .