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Analysis of Deep Water Culture (DWC) Hydroponic Nutrient Solution Level Control Systems
Arif Nursyahid1, Thomas Agung Setyawan2, Khalimatus Sa-diyah3, Eni Dwi Wardihani4, Helmy5, Abu Hasan6

1,2,3,4,5,6Department of Electrical Engineering
1,2,3,4,5,6Politeknik Negeri Semarang


Abstract

Abstract— Hydroponics is the cultivation of plants that use water as a planting medium without using soil. One of the simplest hydroponics is Deep Water Culture (DWC). DWC is a hydroponic technique that allows plant roots to always be submerged in water containing nutrients. The purpose of the application of controlling the level of hydroponic nutrient solution in the type of Deep Water Culture (DWC) in the box is to ensure that the roots of the plant are always submerged in nutrient solution so that the nutrients are still fulfilled. The results obtained from controlling the level of hydroponic nutrient solution in the type of Deep Water Culture (DWC) in the box is when the level of nutrient solution is less than the specified threshold then the 12VDC pump relay will live to drain the source water to the nutrient solution reservoir. The HC-SR04 sensor is used for reading the level of nutrient solution, so it has an effect on determining the pump life time. The HC-SR04 sensor has a reading error of 0.87%. The duration of the pump life is determined based on the linear regression equation. Controlling the level of nutrient solution based on linear regression linear calculation has a good accuracy of 88.6%.

Keywords: Keywords— Deep Water Culture, HC-SR04, Regresi Linier

Topic: Electrical Engineering and Computer Science

Link: https://ifory.id/abstract/ZfRd3qvn9LKu

Conference: The 1st International Conference on Innovation in Science Technology (ICIST 2019)

Plain Format | Corresponding Author (eni wardihani)

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