【免费】基于PC的数据采集系统毕业论文.doc资源-CSDN文库

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毕业设计（论文）原创性声明和使用授权说明

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Date Acquisition Base On PC

Abstract

Data acquisition through the sensor to the measured signals into

voltage or current signals, signal acquisition, through data acquisition

card and the corresponding process. In this paper, the popular virtual

instrument technology to build data acquisition system, which is based on

sensor technology and computer technology developed on the basis of

measurement and control of emerging technology, the flexibility to form the

basis of need in line with the user-defined data acquisition system,

breaking the traditional data acquisition mode, the realization of the

software to replace equipment, and more fast and agile, data-processing

functions on a more flexible and diverse.

In this paper, for a PCI Bus Virtual Instrument collection program, which

is characterized by the adoption of data acquisition cards, as well as the

formation of virtual instrument software with the data acquisition system

of standards for data signals collection, analysis. In this paper, as the

guiding ideology, the composition of a suitable program, the main work is

based on NI company PCI-6221 data acquisition card for the hardware support,

LabVIEW software development platform, through experimental simulation

tests in order to achieve real-time data acquisition, data show , data

storage, on-line monitoring and playback of historical data and analysis

functions. Tested indicated that thermocouple, SCC-68 Junction Box,

SCC-TC02 Thermocouple processing module and the PCI-6221 data acquisition

card by building a data acquisition hardware system, enabling real-time

acquisition of the temperature of the acquisition process changes in the

corresponding adjustment, which reflects the characteristics of virtual

instrument technology and advantages. Confirmed in this article used the

theory and methods of data collection is feasible.

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