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This paper presents a novel fuzzy logic controller (FLC) based high performance control of a 3-phase photovoltaic (PV) inverter connected to the grid line. For the proposed control scheme one FLC is used for voltage control and two FLCs are used for current controls. With the aid of the developed inverter model and fuzzy voltage and current control schemes, the digital signal processing (DSP) controller...
This paper presents the performance comparison of a conventional proportional-integral (PI) controller with a fuzzy logic controller (FLC) based tuned PI controller incorporating an adaptive hysteresis current controller for an interior permanent magnet synchronous motor (IPMSM) drive. For the proposed drive two FLCs are used. One of these is a novel Sugeno type FLC, which is used to tune the PI controller...
This paper presents a closed loop vector control for an interior permanent magnet synchronous motor (IPMSM) drive incorporating a neuro-fuzzy controller (NFC) and a fuzzy logic controller (FLC). The NFC serves as the speed controller of the drive. It is designed so as to generate the appropriate command q-axis current and ensure dynamic speed control. The back-propagation technique is used for the...
This paper presents a fuzzy logic controller (FLC) based direct torque control of induction motor (IM) drive to reduce the ripple in developed torque and stator flux. First the effect of amplitude of torque hysteresis band on the torque ripple of an IM motor is discussed. Finally, a strategy to reduce the ripple in the developed torque and stator flux is proposed by controlling the amplitude of the...
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