The determination of the value of starting capacity in singer-phase asynchronous electromotor with parallel method Computer restarts faster but uses more power 用平行法确定单相异步电动机的启动电容
Analysis and improvement to asynchronous computer conference model 异步计算机会议模型的分析和改进
Problems of voltage regulation and economizing energy on asynchronous machines with non uniform loads are studied by using optimal control method. An optimal voltage regulating function is obtained, and the results of computer simulation calculation and the dynamic experiment are given also. 应用最优控制方法,分析研究了不均匀负荷下异步电动机的调压节能问题,得出最优调压函数,并给出计算机仿真计算结果和动模实验结果。
A Light-Load Energy-Saving Device for Asynchronous Motor Controlled by a Single Chip Computer 微机控制异步机轻载节能器
Asynchronous Motor Energy-saving Starter Controlled by Single-chip Computer 单片机控制的异步电动节能启动器
The mobile agent as a new technology with mobility, intelligence and asynchronous computation is becoming one of the most vigorous development directions of the computer networks and distributed system. MobileAgent技术是一门新兴的技术,具有移动性、智能性和异步计算的特点,已成为计算机网络和分布式系统最具活力的发展方向。
This paper investigates the transient behavior of starting process of single phase asynchronous motor controlled by thyristors with the computer simulation and presents the transient curves and behavior of turning off the thyristor under different snubber parameters. 本文对采用晶闸管无触点元件控制的单相异步电动机起动过程作暂态仿真研究,给出暂态曲线图及不同缓冲电路参数条件下的元件的关断特性。
A flux observer based on the theory of reduced dimension observation adapting for asynchronous motor variable frequency speed regulating control system is presented in this paper, and computer digital simulation is also studied. 本文提出一种适用于异步机变频调速控制系统的基于降维观测器原理的磁通观测器,并对其进行了计算机数字仿真研究。
Viewing from the developing phases from DC& DC drive, AC-DC drive to AC-DCAC drive, the advanced asynchronous traction drive system would never appear without high level power electronic devices and modern computer control technology. 从直一直传动、交一直传动到交一直一交传动的发展过程来看,如果没有高水平电力电子器件和现代计算机控制技术,就不可能有先进的异步牵引传动方式。
In this article we analyse the shortcomings of the basic control protocol ( BCP) in the use of asynchronous half-duplex computer transmission according to real condition of the Single-side-band channel, and raise some improving schemes. 本文根据短波单边带信道的实际情况,分析了基本型链路控制规程(BCP)在异步半双工数据传输中的不适应性,并提出了相应的改进措施。
The author designed the logic circuit to control the synchronous& asynchronous signal switch and other logics used by FPGA, realized the data exchange between the host computer and Smart-Communication Board used by the Dual-Ported RAM, and finally designed a high-speed Smart-Communication Board. 设计中用FPGA来实现同异步的转换以及逻辑控制电路,并用双口RAM来实现上位机与智能通信板的数据交换,设计出一种高速的智能通信板。
This paper introduces the fundamental principle of asynchronous serial communication with Visual C++ language and suggests a real-time serial communication model that apply between torque meter and computer on diesel single cylinder test stand for improving the measure accuracy of fuel consumption rate. 介绍了Visualc++实现异步串行通信的基本原理,并以柴油机台架试验中在扭矩仪和计算机间进行数据串行通讯,提高油耗率测量精度为例,讲述了用VC++语言编程来实现通讯的方法。
The asynchronous WinSock was adopted by upper PC, and the OMRON standard was used as communication format between PLC and main control computer. 上位机采用异步WinSock,PLC与间的通信格式使用OMRON标准。
For this purpose, a dynamic mathematical model of three-phase asynchronous machine in d-q axes stationary coordinates system has been developed and the computer simulation program has been worked out. 为了得到起动特性,建立了三相异步电动机在(d,q)静止坐标系下的动态数学模型,编制了仿真程序。
The mobile agent system, which raises the efficiency of the whole network by using the asynchronous communication mode as a software agent, will play an important role in the distributed computer system in the future. 在未来分布式计算机环境中移动代理系统起着极为重要的作用,这种采用异步式通信的软件代理可使整个网络的效率提高。
In this essay, we mainly study the asynchronous serial communication software of the DNC host computer. 本文重点研究开发了DNC主机与数控系统异步串行通信软件。
The method is introduced of implementation of multi-computers communications by means of serial asynchronous communication interface of a computer and serial interface of Type 8031 one-chip microcomputer. 介绍一种利用微机上串行异步通信接口和8301单片机中串行接口实现多机通信的方法。
By presenting a method of asynchronous serial communication between computer and PLC, this paper discusses the communication programming in VB environment. The real time supervision of power transformer cooling control system has been realized. 提出了用计算机异步串行通信实现与PLC连接通信的方法,讨论了在VB环境下的通信编程实例,实现了对电力系统主变压器风冷控制系统的实时监控。
The Error Code Analysis of Baud Rate in Asynchronous Serial Communication of Single Chip Computer 单片机串行通信波特率误差分析
In the project, we will use the data of the Liquid Cooling project as a demonstration and perform the asynchronous data transmission between the upper computer and the lower computer on IEEE 1394 bus to analyze the performance of data transfer. 同时,还会采用液冷系统的数据进行工业现场中上下位机的异步通信,以次作为IEEE1394在工业运用中的示例并借此观察其传输的性能。
Asynchronous transfer mode is a advanced B& ISDN technique. The applications of ATM catch a great attention, especially on computer networks in recent years. 异步传输模式(ATM)是一种先进的宽带综合业务数据网(B&ISDN)技术,尤其是ATM在计算机网络中的应用倍受注目。
Protection of Asynchronous Motor Using a Distributed industrial Controlling Computer 电动机保护的微机控制系统
The master computer controls the slave computer with the normal serial asynchronous communication, them both send and receive data, especially the master computer. 上位机采用常用的串行异步通信来控制下位机,上下位机都要接受和发送数据,重点是解决上位机的发送和接收数据。
To solve these technical problems explain the use of solutions: such as p2p technologies, asynchronous computer system, use UDP instead of TCP, client technical mechanisms and so on. 阐述为解决这些技术问题所采用的解决方案:如p2p技术、异步计算机制、UDP取代TCP,客户端技术等机制。
With the designed communication protocol, the two MCU systems exchange data via serial asynchronous communication, and connect with the host computer through the RS-232C communication interface to provide support for MAO processing centers in the future. 配合所设计的通讯协议,两个单片机系统之间经由串行异步通讯交换数据,还可通过RS-232C通讯接口与上位机联接,为今后实现微弧氧化加工中心提供支持。
At last, the asynchronous communication between Gate and Station Computer System is introduced. 阐述了闸机与车站计算机系统之间的异步通信机制。