Abstract
In this paper a unified discrete event model is given for power electronic circuits based on hybrid system theory. Based on this model, FPGA switching control strategy for a three phase inverter is developed. The functionality of a three phase inverter is discussed from a discrete-event point of view. Event driven dynamics of a three phase inverter originates from inherently switching operation of a three phase transistor bridge. It is further emphasized by accompanying logical management functions e.g. protection and steering. Recently developed hybrid based approach for modeling of discrete event systems is applied for modeling, simulations and implementation of a speed/current control, protection and steering functionality of VSI fed induction machine. A DSP / FPGA based digital control platform for inverter system built in the laboratory is presented and discussed. The reference tracking performance of speed and rotor flux is demonstrated in terms of transient characteristics by experimental results.
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Jezernik, K. (2009). Hybrid Approach in Power Electronics and Motion Control. In: Rudas, I.J., Fodor, J., Kacprzyk, J. (eds) Towards Intelligent Engineering and Information Technology. Studies in Computational Intelligence, vol 243. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-03737-5_12
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DOI: https://doi.org/10.1007/978-3-642-03737-5_12
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