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|Type:||Artigo de periódico|
|Title:||Fuzzy Logic Direct Torque Control For Asynchronous Motor|
Sguarezi Filho A.J.
|Abstract:||In this article is proposed the Direct Torque Control (DTC) with Space Vector Modulation (SVM) based on Self-Tuning Fuzzy Logic(STFL) controller. This controller determines dynamically the load angle between stator and rotor flux vectors and in consequence the electromagnetic torque necessary to supply the motor load. The rule base for STFL controller is defined in function of the error and the change of the error of the torque using a most natural and unbiased membership functions (MF). Constant switching frequency and low torque ripple are obtained using SVM. Performance of the proposed DTC-SVM with STFL are compared with the performance of the same scheme but using PI controller in terms of several performance measures such as settling time, rise time and integral-of-Time multiplied by the absolute magnitude of the error index (ITAE). The simulation results show that the proposed scheme can ensure fast torque response and low torque ripple in comparison with DTC-SVM with PI controller.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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