The Evaluation of Expanded Uncertainty of DC Voltages in the Presence of Electromagnetic Interferences using the LabVIEW Environment

Author:

Otomański Przemysław1,Pawłowski Eligiusz2,Szlachta Anna3

Affiliation:

1. Institute of Electrical Engineering and Electronics, Faculty of Control, Robotics and Electrical Engineering , Poznan University of Technology , Piotrowo street 3A , Poznań , Poland

2. Department of Automation and Metrology, Faculty of Electrical Engineering and Computer Science , Lublin University of Technology , Nadbystrzycka street 38A , Lublin , Poland

3. Department of Metrology and Measurement Systems, Faculty of Electrical and Computer Engineering , Rzeszow University of Technology , W. Pola street 2 , Rzeszow , , Poland

Abstract

Abstract The paper presents a possible application of integrated LabVIEW environment to the final evaluation of measurement results in direct measurement. The possibilities of presenting and visualizing the uncertainty of measurement results in a convenient and user-friendly form are also discussed. The topics discussed in the paper were presented using a developed application in LabVIEW. The paper discusses the topic of measurement of direct voltages in the presence of strong electromagnetic interferences. These problems are frequently omitted or hardly emphasized. It presents a suitable measuring system, a virtual measuring instrument created in the LabVIEW environment, and the results of tests carried out for an example NI PCI-6221 data acquisition board. The described approach can be applied also in other measurement situations.

Publisher

Walter de Gruyter GmbH

Subject

Instrumentation,Biomedical Engineering,Control and Systems Engineering

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