Прегледај по Аутор "Borlea, Ioan-Daniel"

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    Model-Free Sliding Mode and Fuzzy Controllers for Reverse Osmosis Desalination Plants
    (CESER Publications, 2018) Vrkalovic, Sasa; Lunca, Elena-Cristina; Borlea, Ioan-Daniel
    This paper presents model-free sliding mode controllers and Takagi-Sugeno fuzzy controllers for the flux and conductivity control of Reverse Osmosis Desalination Plants (RODPs). The RODPs are Multi Input-Multi Output processes and two separate controllers are designed in Single Input-Single Output control systems. The design of the model-free sliding mode controllers is done by Lyapunov’s stability theory. The Takagi-Sugeno fuzzy controllers are designed by considering linear matrix inequalities as constraints in an optimization problem solved by a Grey Wolf Optimizer algorithm. Simulation results are included.
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    Stable Takagi-Sugeno Fuzzy Control Designed by Optimization
    (2017) Vrkalovic, Sasa; Teban, Teodor-Adrian; Borlea, Ioan-Daniel
    This paper presents the design of Takagi-Sugeno fuzzy controllers in state feedback form using swarm intelligence optimization algorithms. Three such algorithms are used: Particle Swarm Optimization, Simulated Annealing and Gravitational Search Algorithms. Sufficient stability conditions are expressed in terms of linear matrix inequalities considered as constraints in the optimization problem solved by swarm intelligence algorithms. Simulation results concerning an inverted pendulum system are given for illustration of the proposed design.