Dynamic output feedback controller for a harvested fish population system

  • Authors:
  • Achraf Ait Kaddour;El Houssine Elmazoudi;Noureddine Elalami

  • Affiliations:
  • Mohammadia Engineering School, Rabat, Morocco;Cadi Ayyad University, Marrakech, Morocco;Electrical Engineering Department, Mohammadia Engineering School, Rabat, Morocco

  • Venue:
  • CSS'11 Proceedings of the 5th WSEAS international conference on Circuits, systems and signals
  • Year:
  • 2011

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Abstract

This paper deals with the control of a continuous age structured model of a harvested fishery system, using a dynamic output feedback controller. In our case, the continuous fishery model is considered, where the effort is used as a control term, the age classes as a states and the quantity of captured fish per unit of effort as a measured output. Under some biological satisfied assumptions we formulate an observer and a controller to stabilize globally exponentially the closed loop Takagi Sugeno (T-S) model. The continuous non-linear model is first represented by a T-S model. Next, we develop a technique for designing a dynamic output feedback control law which globally stabilizes this fuzzy system model. The simulation results demonstrate the effectiveness of the proposed method.