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Five-day biochemical oxygen demand (BOD5) is one of the key parameters which is widely used to evaluate the biological and chemical evaluation of effluents from wastewater treatment plants. This paper proposes a novel method that can predict online using BOD5 by synthesizing an online version of Gustafson-Kessel (GK) algorithm and least squares support vector machines (LS-SVM). The clustering algorithm...
A novel approach for H∞ robust PID synthesis is developed for wastewater treatment system. In operational terms, the simplification model is obtained by simplifying the Activated Sludge Model No.1 (ASM1). The main objective of this paper is to synthesize a robust PID control structure, which keep the substrate concentration and dissolved oxygen concentration below standards by law with the various...
This paper proposes a novel method to synthesize robust PID (proportional integral derivative) controller via Kharitonov's theorem and genetic algorithm for wastewater treatment. The specifications and Kharitonov's theorem result to solve a non-convex optimal problem subjected to several inequality constraints. The genetic algorithm is used to search the robust PID controller parameters wihout solving...
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