Browsing by Author "Sara Abdelgadir Saeed, A.S. Ali"

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    Design a Greenhouses Temperature Control System
    (Graduate College, 2017-10-01) Sara Abdelgadir Saeed, A.S. Ali
    Greenhouse temperature is a critical factor in quantity of the agriculture production. Sudanese greenhouse use primary temperature control methods. In this paper greenhouse temperature adaptive control simulated using self-tuning proportional –integral- derivate controller (PID) use pole placement approach. The temperature degrees simulated by the adaptive control system of the greenhouse chosen based on Rehab’s model [1] which determines the temperature degrees for best growing. In this work both the open-loop system and adaptive close loop simulated and compared. The results showed that the adaptive system reduced the steady state error.