What is PWM and why is it useful?
什么是PWM和为什么它有用吗？
The voltage space vector is selected as the PWM method.
论文采用电压空间矢量作为PWM调制方法。
We also need to send a default PWM signal to pause a car.
我们还需要一个默认的PWM信号发送暂停了一辆汽车。
The velocity of motor in driver is controlled in PWM manner.
驱动模块的电机速度采用PWM方式进行控制。
They are based on a predictive instantaneous current PWM control.
它们是基于预测瞬时电流的PWM控制。
Realization of PWM wave generation, can be used for motor control.
实现PWM波的产生，可用于电机控制。
The PWM voltage source inverter by current control is used in this system.
在此控制系统中，采用了电流控制PWM电压源逆变器环节。
I got sick of feeling like this, so I wrote PWM to manage passwords for me.
我不喜欢这种做法，所以写了这个PWM程序来帮我管理密码。
A new control scheme of three phase voltage source PWM rectifier is presented.
提出了一种新的三相电压型PWM整流器控制方案。
The LED system shall be digitally driven using high-speed pulse width modulation (PWM).
LED系统应采用高速脉宽调制(PWM)数字式地驱动。
The frequency of PWM wave can also adjusted by engineers through choosing the capacitance.
脉宽调制信号的频率可以由用户设置电容的大小来调整。
Special chips, such as SG3525 and IR2110 are also used to generate PWM and to drive the IGBT.
同时，采用专用芯片SG3525来产生脉宽调制电路，由IR2110组成的驱动电路来驱动绝缘门极双极晶体管（IGBT）。
It is digital servo timing control system which is driven by PWM, direct current moment motor.
采用了脉冲调宽功放装置(PWM)，直流力矩马达直接驱动转台框架的数字伺服调速体制。
One of the high performance direct current PWM control system based on TMS320LF2407A is introduced.
介绍了一种基于TMS320 LF 2407a的高性能直流pwm控制系统。
However, a 16-bit PWM has over 65000 steps, allowing for a much smoother dimming curve to the customer.
不过，16位PWM有65000多个步进，这就能为客户带来较为平滑的调光曲线。
The operating principle of its PWM circuit, current display circuit and sequence timer circuit etc. are described.
论述了PWM电路、电流显示电路、程序时间调节控制电路等的工作原理。
The control system adopts current PWM control mode, and high quality energy feedback with constant power could be accomplished.
控制系统采用的是电流型PWM控制方式，能够实现高品质的恒功率能量回馈。
The control system of this inverter is composed of 8098 single chip microprocessor and the new type three phase PWM IC SLE4520.
采用了以8098单片机和三相高频可编程脉宽控制器SLE4520为核心的控制系统。
This paper studied the three-phase PWM(pulse width modulation) rectifier in dual PWM variable frequency speed regulation system.
对双PWM变频调速系统中的三相PWM整流器及其控制方法进行了研究。
The requirement on low power and small size can be met by means of switching gyro motor, PWM amplifier, C196 MCU and PSD devices.
由于采用了开关式陀螺马达电源、PWM集成功率放大器，C196和PSD器件达到了小体积和低功耗的要求。
For PWM current control, the maximum output current is determined by the users selection of a reference voltage and sensing resistor.
对于PWM电流控制，最大输出电流是由用户选择参考电压和感应电阻决定。
This paper puts forward a voltage and current double closed-loop controlling method based on three-phase voltage source PWM inverter.
提出了一种基于三相电压型PWM逆变器的电压电流双闭环控制方法。
Dual PWM converter has introduced the PWM rectification energy evolution installment in common currency frequency changer's foundation.
双pwm变流器是在一般通用变频器的基础上引进了PWM整流的能量变换装置。
A formula of harmonic current amplitude for CSI PWM is derived in this paper. An objective function of pulsating torque is also derived.
本文推导出电流源逆变器(CSI)脉宽调制(PWM)谐波电流幅值表达式，脉动转矩目标函数。
The PWM chopper circuit and the selection of power switching elements, protecting circuits, driving units and software programming are given out.
主要内容包括PWM斩波电路结构及功率开关器件的选择，驱动电路，保护电路以及软件编程。
This paper introduces the basic theory of space-vector PWM (SVPWM), and designs the ac photovoltaic water pump system on the basics of this theory.
本文介绍了空间电压矢量脉宽调制(SVPWM)的基本原理，并应用此原理进行了交流光伏水泵系统的设计。
The common and differential mode voltage produced by the PWM inverter can generate large common and differential current in the motor driving system.
由三相pwm逆变器产生的共模和差模电压可以在电机驱动中产生足够大的共模和差模电流。
It introduces a kind of powerful complementary DC and constant voltage power device by using the independent excitation and high frequency PWM wave clipper.
介绍一种利用它激式高频pwm斩波技术完成的大功率直流稳压电源装置。
It introduces a kind of powerful complementary DC and constant voltage power device by using the independent excitation and high frequency PWM wave clipper.
介绍一种利用它激式高频pwm斩波技术完成的大功率直流稳压电源装置。
应用推荐