Abstract
AbstractThis document proposes an energetic output improvement of electric drives for induction motors. This modification pointing toward a better energetic output (improving the efficiency) according to the application, and can be made in the most common control algorithms as the Flux Oriented Control (FOC) and the Direct Torque Control (DTC). The experimental results show that the proposed controller ensures both, a good speed control and smooth torque response with current shapes with low THD, when these are compared with the conventional DTC scheme. Experimental results for a 1.1 kW induction motor are presented and analyzed using a dSpace system with DS1103 controller board based on the digital processor Texas Instruments TMS320F240. The obtained results showed that the proposed control scheme is able to obtain a high performance in mechatronic applications (robotics for example).KeywordsDirect torque control (DTC)Efficiency improvementEnergetic outputInduction motorPosition control
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