fieldid E-Thesis & Research สถาบันเทคโนโลยีไทย-ญี่ปุ่น
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บทคัดย่อ
Automated Electrical Conductivity and PH Control of Nutrient Solution in Hydroponic System Using Modified Fuzzy Logic Control : The hydroponic system is one of the most techniques that farmers have usually applied growing some vegetables, herbs, and fruits. Water and nutrient solutions have been mixed and then flowed through the roots or soaked the roots to provide minerals and water for plant growth. However, the technique needs a human resource to control mixed solutions frequently, namely electrical conductivity and pH, because these factors endanger the plan s roots directly, such as acidity toxic, high concentration, and low concentration. Hence, automatic methods have been necessary for controlling solutions to reach a target interval and take excellent response time to achieve goals. This thesis presents a fuzzy logic control and its application to control electrical conductivity and pH in nutrient solution automatically. The fuzzy logic controller is designed by referring to experienced human adjustment. Then, an electronic control box consisting of Arduino, sensors, and pumps is built. The designed algorithm of the fuzzy logic controller is uploaded and ready for a prototype. According to the experimental results, the system can operate automatically following the designed control algorithm and can reach the determined target. Furthermore, the system can save human costs, and also a farmer can prepare inventory well.
ผู้แต่ง
Thanavin Mansakul
ประเภทสิ่งพิมพ์
วิทยานิพนธ์ (MET) 2019
เลขหน้า
82
หัวเรื่อง
Engineering Technology--Thesis
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