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The Volts-per-Hertz controller is designed to accommodate the variable speed commands by using the invertor to apply a voltage of correct magnitude and frequency so as to approximately achieve the commanded speed without the use of speed feedback. The studies are focused first with of open-loop and then with the closed-loop with the application of slew rate. Results show that the slew rate reduces...
This paper presents a genetic programming (GP) function representation of fuzzy polar controller (FPC) applied to Volt/Hertz closed loop induction motor speed control. The induction motor is modeled in terms of d-q axis with synchronous frame associated with the stator excitation frequency. The system is modeled and simulated under MATLAB/Simulink environment. Performances of the GP function controller...
In this paper, a variable structure controller based on sliding-mode design is proposed for induction motors that propel electric vehicle drives. The underlying design concept is to endow the closed loop system with high performance dynamics for all possible speed ranges while maximizing power efficiency and keeping the required stator currents within the inverter ceiling limits. The proposed approach...
In this article, we propose a flux simulator based field oriented control scheme in suitable combination with a classical compensation network, based on generalized proportional integral (GPI) output feedback control, for the robust output feedback trajectory tracking task defined on the angular velocity of a simplified model of an induction motor subject to a completely unknown, but bounded, load...
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