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《Journal of Transducer Technology》 2004-08
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Research of accuracy of flow measurement with virtual instrument

YANG Zhi-gang~1, LIU Zhao-yan~1, LEI Zhen-shan~2(1.Dept of Automation,Hebei Institute of Technology,Tangshan 063009,China;2.Dept of Mech and Elct Engin,Tangshan College,Tangshan 063000,China)  
In order to improve the accuracy of flow measurement with virtual instrument,the principle of flow sensor is analyzed,and three test methods-analog input,counter and buffered counter are examined.Based on experiments,using the theory of error to analyze test data,it is proved that,the measurement accuracy of flow sensor which based on pulse can be improved about 0.6 percent by the technique of buffered programming counter in LabVIEW.
【CateGory Index】: TP274
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