THE EFFECTIVENESS OF FUZZY LOGIC CONTROL FOR PV PUMPING SYSTEM
Résumé
This paper presents an optimal operation of a photovoltaic pumping system. An analysis by witch the dynamic performances of
a permanent magnet brushless DC (PMBLDC) motor is controlled through a hysteresis current loop and an outer speed loop
with different controllers. The dynamics of the drive system with (PI) and a Fuzzy logic (FL) speed controllers are presented.
In order to optimize the overall system efficiency, a maximum power point tracker is also used. Simulation is carried out by
formatting the mathematical model for photovoltaic source, MPPT, motor and pump load. The results with FL speed controller
show improvement in transient response of PMBLDC drive over conventional PI. The effectiveness of the FL controller is also
demonstrated.
Références
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