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Design of Decentralized Fuzzy Controllers for Quadruple tank Process


R.Suja Mani Malar, T.Thyagarajan


Vol. 8  No. 11  pp. 163-168


The quadruple-tank process has been widely used in control literature to illustrate many concepts in multivariable control, particularly, performance limitations due to multivariable right half-plane zeros. The main feature of the quadruple-tank process is the flexibility in positioning one of its multivariable zeros on either half of the ‘s’ plane. The objective of the current study is to design a Decentralized fuzzy controller for a multivariable laboratory four-tank process. Simulation results confirm the effectiveness of the proposed control methodology


Fuzzy control, Quadruple tank process, Decentralized control, non-minimum phase system