Efficacy Detection of Low-Cost Hall Effect Sensor for a LabVIEW-Based Agricultural Gaussmeter

Year 2021, Volume: 31 Issue: 3, 710 - 721, 15.09.2021

Abdullah Beyaz Doğukan Parlak

https://doi.org/10.29133/yyutbd.932155

Abstract

Developing technology enables more accurate and efficient measurement with the help of low-cost sensors. Therefore, in this study, a gaussmeter that can be used for agricultural purposes was developed using a low-cost microcontroller development card. The developed low-cost gaussmeter includes an inexpensive magnetic field sensor, a microcontroller development card, and LabVIEW software. Magnetic field measurements, based on the optimization of the microcontroller-based gaussmeter, were developed with the HAL503 Hall Effect sensor with the help of LabVIEW software. A high regression was observed between the values obtained from the device and the results found from the calculations made using theoretical magnetic field formulas and the measured values. It was observed that it works with an average accuracy of 99.6% for 3 different thickness magnets. According to the developed measuring device results of 6, 8, and 10 magnets sizes, R2 values were evaluated as 99.8%, 99.7%, and 99.3%, respectively.

Keywords

Gaussmeter, Magnetic field, Hall effect sensor, Microcontroller, LabVIEW.

LabVIEW Tabanlı Tarımsal Amaçlı bir Gaussmetre için Düşük Maliyetli Hall Etkisi Duyargasının Etkinlik Tespiti

Abstract

Gelişen teknoloji düşük maliyetli duyargalar yardımıyla daha doğru ve verimli ölçüm yapılmasını sağlamaktadır. Bu nedenle bu çalışmada, düşük maliyetli tarımsal amaçlı kullanılabilecek bir gaussmetre geliştirilmiştir. Geliştirilen düşük maliyetli gaussmetre, bir manyetik alan duyargası, bir mikrodenetleyici geliştirme kartı ve LabVIEW yazılımından oluşmaktadır. Manyetik alan ölçümleri LabVIEW yazılımı yardımıyla HAL503 Hall Effect duyargası ile geliştirilen mikrodenetleyici tabanlı gaussmetrenin optimizasyonuna dayalı olarak yapılmıştır. Cihazdan elde edilen değerler ile teorik manyetik alan formülleri kullanılarak yapılan hesaplamalardan bulunan değerler arasında yüksek bir regresyon gözlenmiştir. HAL503 hall etkisi duyargası kullanılarak yapılan bu çalışmada, 3 farklı kalınlıktaki mıknatıs için cihazın ortalama %99.6 hassasiyetle çalıştığı görülmüştür. 6, 8 ve 10 mıknatıs boyutunda, geliştirilen ölçüm cihazı R2 değerleri sırasıyla %99.8, %99.7 ve % 99.3 olarak hesaplanmıştır.

Keywords

Gaussmetre, Manyetik alan, Mikrodenetleyici, Hall etkisi duyargası, LabVIEW

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