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Design of virtual acquisition system based on PCI DAQ

Shuangfeng Liu

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Abstract

The features of LabVIEW are discussed,which is an open virtual instrument platform.The PCI bus technology is introduced.Using the dynamic characteristics and virtual instrument of the graphical programming language LabVIEW,a user interface is constituted to complete dynamic display and interaction.Using the dynamic link library and the function of DAQ,an half-full type 32-channel digital acquisition system is developed,which is controlled by computer.Then the feasibility of the software is tested.DAQ combined with LabVIEW program can realize the data collection process.The experiment results show that this approach can avoid the complex language programming,reduce the time of software development,simplify the development process and also increase the flexibility of the application.

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What this paper is about

The features of LabVIEW are discussed,which is an open virtual instrument platform.The PCI bus technology is introduced.Using the dynamic characteristics and virtual instrument of the graphical programming language LabVIEW,a user interface is constituted to complete dynamic display and interaction.Using the dynamic link library and the function of DAQ,an half-full type 32-channel digital acquisition system is developed,which is controlled by computer.Then the feasibility of the software is tested.DAQ combined with LabVIEW program can realize the data collection process.The experiment results show that this approach can avoid the complex language programming,reduce the time of software development,simplify the development process and also increase the flexibility of the application.

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Available abstract

The features of LabVIEW are discussed,which is an open virtual instrument platform.The PCI bus technology is introduced.Using the dynamic characteristics and virtual instrument of the graphical programming language LabVIEW,a user interface is constituted to complete dynamic display and interaction.Using the dynamic link library and the function of DAQ,an half-full type 32-channel digital acquisition system is developed,which is controlled by computer.Then the feasibility of the software is tested.DAQ combined with LabVIEW program can realize the data collection process.The experiment results show that this approach can avoid the complex language programming,reduce the time of software development,simplify the development process and also increase the flexibility of the application.

Key concepts: Data acquisition, Computer science, Process (computing), Computer hardware, Interface (matter), Software, Virtual instrument, Visual programming language

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