A new decoupling approach using the Fuzzy Logic In the vector control block of the single-phase induction machine

The single-phase induction machine (SPIM) has the advantage of being powered by a single-phase voltage source. The availability of this power allows it to be widely used: electric household appliances, portable machine tools... However, this type of machine has not yet taken its whole share from various works present until now, in comparison with the three-phase induction machine. With the object of contributing to the study of this machine, we propose in this article a new decoupling approach in the vector control block, based on the the Fuzzy Logic; in order to solve the problem of decreasing the rotor flux. Indeed, the vector control of single phase induction machine using conventional decoupling approaches has a remarkable decrease of rotor flux when the machine is powered by a real voltage source inverter (VSI). For three different decoupling approaches with two types of supply: perfect voltage source and real voltage source inverter; a comparative study through numerical simulations is presented. The simulation results show the feasibility and good performance obtained by the proposed approach.