现场数据

基于RF无线局域网的现场数据采集系统

Field Data Acquisition System Based on Wireless RF LAN

基于CPLD的现场数据录入终端的设计

Design of Field Data Recording Terminal Based on CPLD

Active在VB开发现场数据采集系统中的应用

Application of Active in Data Acquisition System in VB

现场数据采集及发送系统的核心是DSP。

The core component of data acquiring terminal on the spot is DSP .

利用上位机与PLC之间的串行通信实现现场数据的采集

Using Serial Communication between Host-computer and PLC to Realize the Collection of Spot Datas

通过分析RFID自动识别原理和工作方式，实现RFID数据采集和生产现场数据实时传输。

We can complete RFID data collection and real-time data transmission using RFID automatic recognition principle .

由于PLC的功能强大、容易使用、高可靠性，常常被用来作为现场数据的采集和设备的控制。

PLC is often used in field-date acquisition and equipment control because of its powerful function , easy application and high reliability .

利用VB6.0与ADAM模块实现现场数据的采集

The Collection of Field Data Collecting by using VB6.0 and ADAM Modules

选定若干参数作为硅含量的相关变量，建立一个三层BP网络结构，结合现场数据进行学习和预报，取得良好效果。

With the BP network , the suitable results have been obtained to predict the Si content in molten iron using the real time data .

以实时数据库组件为核心，在现场数据通信问题上采用OPC规范。

The system used DCOM as basic structure with real - time database component as the core .

本文充分利用BP网结构简单和学习速度快的特点建立铸坯表面温度预测系统的模型，并利用现场数据进行仿真。

By using characteristic of BP networks , this paper establishes a forecast model of casting billet 's exterior temperature , and to conduct simulated experiments with actual data .

笔者对3D定向钻孔雷达系统的工作和成像原理、技术规格进行了详细说明，并结合现场数据说明了其实际应用效果。

The authors deal with the working and imaging principles and technical specifications of the 3D directional borehole radar in details and , combined with field data , show its true application results .

基于RAMS要求的电力机车可靠性现场数据采集的一种设计

A design for reliability field data collection system of electric locomotive based on RAMS demands

NET对现有OPC服务器进行转换，通过COMInterop连接低层的OPC服务器，访问现场数据；

NET to the current OPC server converting , low layer OPC server is linked by COM Interop , the field data is interviewed .

针对这一现象，运用现场数据以及物理模拟和数学模拟方法首次通过对CO气体流动、扩散等的综合研究，建立了CO井筒流动及大气扩散模型。

In survey of this phenomenon , using spot date 、 physical and mathematics stimulant method , flowage and diffusion are studied and wellbore flow and air diffusion model of CO are established .

整个系统采用了由PLC、现场数据采集计算机、远程监控计算机组成的先进集散控制体系结构，通过工控组态王软件对系统进行有效而又形象的监控。

The control system adopted the structure that included PLC and the scene collecting computer , and the long-range monitoring computer . We can monitor the control system by Kingsoft , effectively and vividly .

通过GPRS终端将无线传感器网络获取的数据传输到远程的上位机上，从而实现监测现场数据的远程获取。

The wireless sensor network node which deployed in farmland transfers data to remote PC through GPRS terminal , we can access data of monitoring field in the distance .

提出了一种在线测量的方案，能够较好地解决多点现场数据采集问题，并结合串行数据采集芯片，实现了在Windows环境下主从机的通讯。

A method for on line measurement is successfully proposed to solve the problem of multi spot data acquirement on the spot . And combining with a serial data acquiring chip , the communication between master and slave computers under a Windows environment is fulfilled .

在收集大量现场数据的基础上，运用BP神经网络算法，建立了退火处理各工艺参数对热镀锌过渡卷力学性能影响的数学模型，并与线性回归模型相比较。

Based on a lot of collected data on-site , with algorithm of BP artificial neural net , a mathematical model for effect of technological parameters for annealing treatment on mechanical properties of hot dip galvanized strip has been developed and compared with the multi-variant linear regression model .

系统由分布式数据采集单元、基于RS-485标准的现场数据传输网络、嵌入式控制器、上位控制计算机及通信网络、控制算法和现场及远程监控软件组成，其核心是控制算法。

The system is composed of remote I / O modules , RS-485 industrial multi-drop network , compact embedded controller , supervisory control computer , control algorithm and supervisory software . The control algorithm is the core .

在数据挖掘方面可采用符合OPC规范的标准OPC接口或网络监听手段，解决了采用Socket编程所不能解决的问题，能实时无误地接收现场数据；

In the data mining aspect , to adopt a standard OPC ( conforming to the OPC specification ) interface or network monitoring means can solve the problems which to adopt socket programming can 't solve , receive the on-site data correctly in time ;

为此，DeBeers工业金刚石部根据广泛的试验室实验和确证的现场数据，制定出其锯片金刚石产品的标示图系，以便金刚石工具制造厂家能够选择最合适的锯片金刚石磨粒。

On the basis of extensive laboratory testing and corroborated data from the field , De Beers Industrial Diamond Division has developed the indicator system for its diamond saw grit products to assist the toolmaker in the selection of the most appropriate diamond saw grit .

以某100t交流电弧炉冶炼的操作参数为例进行了仿真计算，并与现场数据作了对比，结果表明模型可与实际结果吻合得很好。

A simulative calculation is made on the operating parameters of a 100t AC electric arc furnace , and then a comparison between the model simulation and actual EAF process is conducted and results show a very good agreement .

针对CAN总线现场数据采集时必须有PC机参与和CAN总线与PC机通讯速率低的问题，提出了此CAN-USB通信模块设计方案；

In view of that participation of a PC must be needed in CAN bus filed data acquisition system and low speed communication between CAN bus and PC , introduced a Communication proposal between CAN bus and USB bus .

针对某大型旋转机械轴承座振动量严重超过标准的情况，利用CDMS-2000便携式动态信号测试分析系统进行了现场数据采集、幅值域分析和频谱分析，得出了故障产生的部位、原因。

Aiming at the situation of some revolving machines ' vibration seriously overload , the CDMS-2000 portable dynamic signal testing and analyzing system is used to collect data and realize calculating frequency and amplitude spectrum analysis , gaining places and reasons of the faults .

串行通信标准在工业现场数据采集中的应用

The Application of Serial Interface in data collection of industrial field

现场数据链路层模块包括4个子模块。

Field Data Link layer module consists of four sub-modules .

仪器硬件由现场数据采集装置、485总线和PC机组成。

Instrument hardware consists of local collection equipment , 485 bus and PC.

一种工业控制现场数据到开放平台移植的应用

Implementation of the Migration of Field Data to Open Platform

电工产品可靠性现场数据的分析与评估

Analysis and Estimation on Field Reliability Data of Electrical Products