Abstract
Sensorless vector control is an instantaneous electromagnetic torque control technique applied to variable speed (AC) motor drives where the costly speed sensor is no longer used. It is characterized by its fast dynamic response and low cost. Sensorless variable speed drives incorporating induction machines immerged as a result of the progress in the field of power electronics and digital signal processing (DSP) technology. DSP substantially helped the implementation of complex control algorithms and the generation of patterns to control voltage source inverters. Despite the fact that the DSP technology is widely used in the industry and manufacturing data sheets are available, there are few comprehensive documents in the literature detailing the principles of development and implementation of the new generation of DSP. This paper presents the development of a DSP-based sensorless vector control of induction machine. The algorithm development methodology and the experimental results are presented for the TMS320F2812 processor.
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