Performance Evaluation of Hydroponics Control Systems for pH, Temperature, and Water Level Control

Research output: Contribution to journalArticlepeer-review


This study evaluates different control algorithms used in a hydroponic farming system to improve the quality of farm produce and resource efficiency. It focuses on three key hydroponic control parameters (potential hydrogen (pH), water level, and temperature control). Mathematical models are derived from the literature to represent hydroponic environments. These models are used for simulation purposes in MATLAB software to implement various control algorithms to evaluate their performance against each other and the system requirements utilizing transient performance parameters. Transient performance parameters are overshot, settling time, rise time, and steady-state error. The various control algorithms are fuzzy logic (FL), Proportional Integral Derivative (PID), and Proportional Integral Derivative-Fuzzy logic controller (PID-FL). This paper examines the performance of the hybrid PID-FL controllers compared to the most used fuzzy logic and PID controllers. The result of the work shows that PID-FL is generally better for all the system models, making it more applicable.

Original languageEnglish
Pages (from-to)105-116
Number of pages12
JournalInternational Journal of Engineering Research in Africa
Publication statusPublished - 2023

All Science Journal Classification (ASJC) codes

  • General Engineering


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