Driving an asynchronous motor powered by PV-MPPT using equivalent RST controller of fractional order PI and IP, based on generalized predictive control
IF 2 4区 工程技术Q3 ENGINEERING, ELECTRICAL & ELECTRONIC
Besma Nemouchi, Salah Eddine Rezgui, Abdulrahman Babqi, Ambe Harrison, Hocine Benalla, Enas Ali, Sherif S. M. Ghoneim
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引用次数: 0
Abstract
The article introduces a new model of a Reference Signal Tracking (RST) controller for the fractional order quantities. The controller is applied to an indirect field-oriented control (IFOC) system used for the speed control of an asynchronous motor powered by a photovoltaic (PV) generator with a maximum power point tracking (MPPT) algorithm. This model utilizes two fractional order controllers: the fractional order proportional-integral (FOPI) regulator and the fractional-order integral-proportional (FOIP) regulator. These controllers are used with the generalized predictive control (GPC) technique. The first step in the approach is to derive the equivalent digital RST controller's model from the FOPI and FOIP controller's transfer functions. The GPC technique converts the continuous-time FOPI (and FOIP) controller into a discrete-time version. This conversion ensures a fast response and effective disturbance rejection. Simulation tests are conducted to analyze the rotor speed and stator current ripples to evaluate the performance of the proposed method. The results demonstrate the effectiveness of the introduced scheme in achieving improved control performance in terms of response speed and disturbance rejection. The article presents a modified RST controller model based on the fractional order approach applied to an IFOC system for motor speed control driven by a photovoltaic generator. Using FOPI, FOIP controllers, and GPC contributes to enhanced control performance, as evidenced by the simulation results.
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