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LabVIEW virtual experiments of automatic control system is developed based on the

Author: MaZhiMing
Tutor: ZhuXuan
School: Northwestern University
Course: Electronics and Communication Engineering
Keywords: LabVIEW automatic control experiment system function block system test
CLC: TP273
Type: Master's thesis
Year: 2013
Downloads: 41
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Abstract


"Automatic Control Principle" is one important platform and major basic curriculum in many engineering colleges and comprehensive universities. The traditional experimental teaching is subject to the limited experiment facilities, backward equipments and the inflexibility of the experiments. So this paper aims to design and realize the virtual automatic controlling experimental system based on LabVIEW, the success of the system can improve the efficiency of the automatic control curriculum experiment without the restriction of the hardware equipments, which lay a foundation for students’further hardware experiments.Considering the characteristics of being easy-looking of the platform interface, rich widgets, calculation of MATLAB date and the strong capacity of image processing of LabVIEW, this paper designs and achieves the goal of virtual automatic control experiment system based on LabVIEW through the hybrid programming of LabVIEW and the script node of MATLAB, and this system mainly includes several aspects of work shown as follows:1.Establishing the experiment system formwork based on LabVIEW system platform, mainly includes five functional blocks:the time domain analysis, root-locus, frequency domain method, calibration system and open experiment.2.Supporting ActiveX technology, by referring to the interface style of the application software of Windows, design the operation interface with Windows style.3.Design and accomplish the five functional blocks respectively:time domain analysis, root-locus, frequency domain methods, calibration system and open experiment by using the hybrid programming of LabVIEW and MATLAB.4.Test the five functional blocks respectively, show the simulation methods and experiment examples of each block, improve the function callback of whole system.Virtual automatic control experiment system based on LabVIEW software has intuitive interface, simple operation, and it is convenient for us to simulate and study. After the system test, the software can work safely, reliably and operate stably.

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Automatic control,automatic control system
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