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Controlling process with lag is not an easy task. The lag can easily cause oscillation that lead to instability of the controller response. The conventional method of controlling this kind of system is not capable of giving satisfactory result. Many delay compensator and predictor methods are introduced to handle system with lag and one of the popular methods is a Smith Predictor. The problem with...
Controlling a temperature for a distillation system is not an easy task. The lag of this process is normally long. Over heating during the operation can cause quality degradation of the essential oil produced. The conventional method of controlling this kind of process is not capable of giving satisfactory result. In this paper the self tuning PID controller is developed to improvise the steam distillation...
Controlling a process with significant lag is always a challenge task. The response is slow and can cause instability of the controller. In this work the Fuzzy Logic controller is purposed to control the heating stage for glycerin bleaching process. The Fuzzy PD and Fuzzy PI controllers are designed with different sets of membership function and rules. 3, 5 and 7 membership functions with 9, 25 and...
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