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Base on the equivalent circuit of ship drive motor, the optimal running efficiency is deduced. With vector control technology the motor efficiency optimization control strategy and its application limit is given. Modeling in Saber, the paper compares efficiencies of efficiency optimization control with conventional vector control by simulation. It is validated that motor efficiency is improved. Dynamic...
This paper presents a method for improving the speed control of 3-phase induction motors (IM) using hybrid direct torque controller (DTC)/fuzzy logic controller (FLC) techniques. A complete simulation of the conventional DTC and closed-loop for speed control of a 3-phase IM was tested using SimuLink. The speed control of the IM is done by using the conventional proportional integral (PI) controller...
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