Programlanabilir Lojik Kontrol (PLC) Tabanlı A Sınıfı Pan Otomasyon Sistemi (CAPAS)'nin Tasarımı ve Test Edilmesi

Year 2021, Volume: 38 Issue: 1, 1 - 10, 30.04.2021

Cafer Gençoğlan , Serpil Gençoğlan , Selçuk Usta

https://doi.org/10.13002/jafag4738

Abstract

Bu çalışmanın amacı, PLC tabanlı A Sınıfı Pan otomasyon sistemi (CAPAS)'ni tasarlamak ve bu sistemi, basınç transmiteri (PT) aracılığı ile otomatik olarak ölçülen pandaki su seviyesini (WLT) ve derinlik ölçer (DG)'le ölçülen su seviyesini (WLG) kullanarak test etmektir. Tasarlanan CAPAS, A Sınıfı Pandan hem su seviyesini dijital değerleri geciktirerek hem de hareketli ortalama yöntemi ile WLT'yi otomatik olarak ölçmüş, bu değerleri kullanarak Panı, solenoid valfi açıp/kapa yöntemiyle belirlenen ölçütlere göre doldurmuş ve WLT'yi bellek kart (SD)'ındaki bir dosyaya kaydetmiştir. WLT ve WLG, Nash-Sutcliffe verimliliği (NSE), kök ortalama kare hatası (RMSE) ve kök ortalama kare hatası / gözlemlerin standart sapma oranı (RSR) kullanılarak değerlendirilmiştir. Ortalama WLT ve WLG'nin ortalama ± standart hatası sırasıyla 172.4 ± 1.79 ve 173.5 ± 1.66 olarak bulunmuştur. Regresyon belirleme katsayısı (R2) ve eğim, 0.992 ve 0.99 olarak belirlenmiştir. NSE ve RSR'nin değerleri, CAPAS'ın performansının arazi koşullarında WLT'yi ölçmede çok iyi olduğunu göstermiştir. Aynı zaman test sonuçlarıyla, CAPAS'ın otomasyonda belirlenen görevleri başarıyla gerçekleştirdiği belirlenmiştir. Sonuç olarak CAPAS, sulama otomasyon sistemlerinde kullanılması önerilmektedir.

Keywords

Basınç Transmitteri, CODESYS, Filtrasyon, PLC, sensör

Designing Class A Pan Automation System (CAPAS) Based on Programmable Logic Control (PLC) And Testing

Abstract

The objectives of this study are to design Class A Pan automation system (CAPAS) based on PLC and to test it using the water level (WLT) measured automatically using by pressure transmitter (PT) and water level (WLG) measured manually using by depth gauge (DG) in the Pan. The designed CAPAS measured automatically WLT through both delaying digital values readings and moving average method in Class A Pan, and switched on/off solenoid valve in filling/refilling of Pan, and saved WLT in a file on secure digital memory card (SD). WLT and WLG were evaluated using the Nash-Sutcliffe efficiency (NSE), the root mean square error (RMSE) and the root mean square error to observations’ standard deviation ratio (RSR). Means ± standard error of the mean WLT and WLG were 172.4 ± 1.79 and 173.5 ± 1.66, respectively. The determination coefficient (R2) and slope of the linear regression were found as 0.992 and 0.99. The results of the NSE and RSR showed that the performance of CAPAS was very good at measuring WLT, and also test's results determined that CAPAS conducted successfully the transactions of the automation under field conditions. As a result, it is recommended that the CAPAS be used in the irrigation automation.

Keywords

Filtration, PLC, sensor, Pressure Transmitter, CODESYS

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