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- As the existing great power consumption of empty-load or light-load, the bipolar PWM control can be applied only in small or middle power servo control systems. 在轻载或空载时由于存在大的功率损耗,双极性PWM控制只能被应用于中、小功率伺服控制系统。
- Keywords: N channel MOSFET; H bridge; PWM control; charge pump; power amplification; DC motor 关键词:N沟道增强型场效应管;H桥;PWM控制;电荷泵;功率放大;直流电机
- Design of a Power Converting Circuit of H-bridge Bipolar PWM Control 一种H型双极模式PWM控制的功率转换电路设计
- H-bridge bipolar PWM control H型双极模式PWM控制
- An H bridge driving circuit for electric motors in actuation mechanisms is designed with a PID-based control program worked out. 开发了基于H桥电路执行机构的电动机驱动电路和基于PID的控制程序。
- So that, based on the traditional PWM control mode, the turn-offof the two power components in the full bridge PWM converter aredelayed, consequently, zero-current-switching (ZCS) is realized. 因此,本文在传统PWM控制方式的基础上,使其中两只功率管的关断适当延时,从而使这两只功率管实现零电流开关(ZCS)。
- Using embeded EAB in FPGA to compose LPM_ROM,PWM control waveform data were stored which stepping motor each phase subdivided driving current needed. 利用FPGA中的嵌入式EAB构成LPM-ROM,存放步进电动机各相细分电流所需的PWM控制波形数据表。
- First, a detailed study of the DMD is developed from it's fabrication, architecture, addressing and reset, PWM control etc. 首先,对DMD的制造工艺、结构构造、DMD的寻址与复位过程、PWM驱动等多方面进行了研究,掌握了DMD的反射光调制原理及其成象过程。
- The power output can hold fixedness and be changed through changing the output voltage of BUCK circuit with the control of PWM control circuit. 介绍了一种输出功率恒定的功率超声电源,此电源采用PWM方式控制BUCK斩波电路,实现恒功率输出及可调。
- The paper introduced a solution in subdivided driving of stepping motor by means of EDA technology providing PWM control waveform. 摘要介绍一种采用EDA技术输出PWM控制信号,实现对步进电机驱动细分。
- Abstract To improve dot position accuracy and image quality, a PWM control system with raster feedback on the basis of digital PID was developed. 摘要 为了提高光点的位置精度,从而提高成像质量,提出了一种基于PWM控制的双光栅反馈的控制方案。
- To improve dot position accuracy and image quality, a PWM control system with raster feedback on the basis of digital PID as developed. 为了提高光点的位置精度,从而提高成像质量,提出了一种基于PWM控制的双光栅反馈的控制方案。
- Yah Gangui, Liu Wenhua, Chen Yuanhua, et al.A generic PWM control method for flying capacitor inverter[J].Proceedings of the CSEE,2003,6(23): 35-40. [5]严干贵;刘文华;陈远华;等.;悬浮电容多电平逆变器的通用PWM控制方法
- TMS320LF2407A, one special motor control DSP chip, is used to output two channel PWM control signals, driving pitch and azimuth motors separately. 本设计利用电机控制专用芯片-TMS320LF2407A,独立输出两路PWM控制信号,分别驱动高低和方位两个伺服电机。
- Change the inverter output voltage or output current are two kinds of different ways, namely, PAM pulse amplitude modulation control and PWM control pulse width modulation. 改变变频器的输出电压或输出电流有二种不同的方法,即PAM脉冲幅值调制控制和PWM脉冲宽度调制控。
- In the PWM control system, the algorithm of SPWM is implemented by using DSP, and the multi-channel PWM waveform generator is constructed by using CPLD. 采用数字信号处理器DSP实现正弦脉宽调制算法,并利用复杂逻辑可编程逻辑器件CPLD来构造多路PWM信号发生器的方法实现了整个系统的PWM控制。
- An improved alternative single chop PWM control mode is proposed in the paper, which ensures the consistency of power loss between the upper transistor and the lower one. 提出一种改进型单斩PWM调制方式,对桥臂上下管进行轮换单斩,保证了每个开关管损耗的一致性。
- Abstract: Carrier phase-shifted PWM and power unit cascaded to achieve multi-level inverter, its technical difficulty is how to produce so many PWM control signals. 用载波移相PWM和功率单元级联来实现多电平逆变器,其技术难点在于如何实现大量的PWM控制信号。
- In this system, the switched reluctance motor has adopted longer rotors and the control circuit is a PWM control based on complete digital logic circuit. 开关磁阻电机采用特长转子结构,控制电路设计为基于全数字逻辑电路的脉宽调制控制。
- Intersil is a leading supplier of PWM controller ICs with over two billion units shipped. 是领先供应PWM控制集成电路以超过二十亿单位发运。