Digital control for UPS inverter is a key point in full digital controlled UPS.
UPS逆变器的数字控制是实现全数字控制ups的关键。
The key technique to improve the control precision is the design of digital controlled delay element(DCDE).
而提高控制精度的关键技术就是数控延迟单元的设计。
II Strong and stable mechanical structure designs, digital controlled motion to be very stable with high speed and high precision.
二高稳定的机械设计结构,数控运动平稳,速度快精度高。
A novel distributed control scheme is proposed for the parallel operation of single phase digital controlled UPS (uninterrupted power supply).
提出了一种新型分布式控制方法来实现单相数字模块化ups(不停电电源)的并联运行。
This paper presents a digital controlled full bridge ZVS PWM switching power supply, which is based on sliding mode control method by using DSP.
本文以滑模变结构为控制核心,研制了以DSP为控制芯片的全数字化全桥移相软开关电源。
Adopts imported aviation aluminum, frame construction adopts all-in-one design, digital controlled motion to be very stable with high speed and high precision.
二采用进口航空铝材,框架结构采用一体化设计,数控运动平稳,速度快精度高。
The digital controlled current-sharing method is adopted in the scheme in order to improve the reliability and anti-interference capacity of power supply system.
该方案采用数字均流方法,提高了电源系统的可靠性和抗干扰能力。
At present, the reconstruction of former plant area and workshop has been completed, 25 digital controlled machines and 2 machining equipments have been installed.
目前,对原厂区和厂房的改造工程已经结束,25台数控车床、2台机械加工中心等设备的安装已经完成。
The ignition system is digital controlled in centrifugal spark advance, simple in construction and is able to satisfy the demand of all kinds of engine 's ignition system.
该点火系统实现数字式离心点火提前,结构简单,可以满足各种发动机对点火系统的要求。
According to the requirements of developing new types of Marine apparatus, such as the log and the transducer, a double-ringed and all digital controlled rotary apparatus is designed.
根据研制船用新型计程仪和传感器等设备的需求,设计了双闭环全数字控制的旋转装置。
This paper offers a method of modeling and simulating for digital controlled power supply system, on the basis of analyzing the feature of how datum are processed in digital processor.
文中在分析数字处理器的工作特点的基础上,提出一种适合于数字控制电源系统的建模仿真方法。
In this paper, a 16 stages digital controlled DC stabilized voltage source based on LM317 is designed. Selection and realization of the adjustable resistance in this source is introduced.
以三端稳压集成电路LM317为基础,设计了一种16级数控直流稳压电源,介绍了该电源中可调电阻的选取与实现。
Based on the analyze of solar controller's requirement and character, this paper introduce one kind of digital controlled PWM solar controller, including the design of hardware and software.
在分析光伏控制器的要求和特点基础上,介绍了一种数字控制型的PWM光伏控制器,包括硬件和软件设计。
Stepping motor can be controlled by pulse signal and applies to digital control system.
步进电机可直接接收脉冲信号的控制,适合于数字控制系统。
Fully digital line switching and MCU controlled service reset timing.
全数字化线路开关和单片机控制服务复位时间。
The cold air in the working chamber can convent if the exhaust valve on top of the oven is open, the temperature is controlled constant automatically by digital display instrument.
开启箱顶排气阀可使工作室温之冷空气得以对流交换,温度控制采用数字显示仪表自动恒温调节。
Stepper motor is a motor controlled by digital signal, which converts pulse signal into Angle displacement. The wheeling speed is controlled by the frequency of pulse signal.
步进电机是一种数字控制电机,它将脉冲信号转变成角位移,电机的转速由脉冲信号频率决定。
In the system the digital is controlled by PLC, digital is mainly used to control the switch data of pipeline in the vacuum system and metallurgical vessel and CVD vessel.
本系统中的数字量由PLC控制,数字量主要控制真空系统、烧结炉和化学气相沉积炉中各通气管路中的开关量。
This paper presents a microcomputer controlled automatic weighing and packaging system with digital display.
介绍一种采用微电脑控制、数字显示的自动称量包装系统。
Principle of high voltage power supply based on PWM chip TL494 is introduced in this paper. The adjustment of the voltage is performed by digital potentiometer controlled by MCU.
介绍基于脉宽调制芯片TL 494的高压电源的工作原理,其电压可由单片机控制的数字电位器进行调整。
The construction record controlled by digital prestress tension system and the comparison between calculated and tested values of prestressing loss in an actual project are discussed.
给出了实际工程应用中利用数字化张拉系统施工的控制过程记录,以及所测定的预应力损失值与理论计算值的对比。
The computer-controlled temperature provides high control precision while the high-brightness digital display is fitted.
温度采用电脑控制,控制精度高,并带有高亮度数字显示器。
This paper deals with a closed-loop digital control for a hydraulic valve, controlled motor speed system.
研究了用位总线微机构成的液压阀控马达速度闭环数字控制系统。
This paper introduces hardware constitution and software design of digital clock controlled by 8031 single-chip microcomputer, and its assembly language program is given.
介绍了用8031单片机控制的电脑数字钟的硬件结构与软件设计,给出了汇编语言源程序。
Postal and telecommunications to achieve the program-controlled exchange, digital transmission will take the lead in the province completed the first telephone counties.
邮电通讯实现了交换程控化,传输数字化,并率先在全省建成了第一个电话县。
Phasic adjustment is controlled by computer, digital showing.
相位调整电脑控制,数字显示。
Presented in this paper is a digital AGC circuit that is constituted with digital attenuator DAC0832. Its controlled grade can reach 256 and the external circuit is very simple.
介绍一种采用DAC0832作为数控衰减器构成的自动增益控制电路,其外围电路非常简单,受控等级可达256级。
Adopting digital control technology controlled the wire feeding motor.
采用数字化控制技术对送丝电机进行控制。
A digital pulse generator for a silicon controlled rectifier and digital PID algorithm for some industrial process control are realized by the microcontroller.
实现了数字化可控硅变流器的脉冲控制及一般工业控制过程的PID数字算法。
A digital pulse generator for a silicon controlled rectifier and digital PID algorithm for some industrial process control are realized by the microcontroller.
实现了数字化可控硅变流器的脉冲控制及一般工业控制过程的PID数字算法。
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