A Performance Investigation of a Four-Switch Three-Phase Inverter-Fed IM Drives at Low Speeds Using Fuzzy Logic and PI Controller - 2016

PROJECT TITLE :

A Performance Investigation of a Four-Switch Three-Phase Inverter-Fed IM Drives at Low Speeds Using Fuzzy Logic and PI Controller - 2016

ABSTRACT:

This paper presents a speed controller employing a fuzzy-logic controller (FLC) for indirect field-oriented management (IFOC) of induction motor (IM) drives fed by a four-switch 3-part (FSTP) inverter. Within the proposed approach, the IM drive system is fed by an FSTP inverter instead of the traditional six-switch three-section (SSTP) inverter for value-effective low-power applications. The proposed FLC improves dynamic responses, and it's additionally designed with reduced computation burden. The complete IFOC theme incorporating the FLC for IM drives fed by the proposed FSTP inverter is built in MATLAB/Simulink, and it's also experimentally implemented in real time employing a DSP-DS1103 control board for a prototype one.one-kW IM. The dynamic performance, robustness, and insensitivity of the proposed FLC with the FSTP inverter-fed IM drive is examined and compared to a traditional proportional-integral (PI) controller below speed tracking, load disturbances, and parameters variation, notably at low speeds. It's found that the proposed FLC is additional sturdy than the PI controller under load disturbances, and parameters variation. Moreover, the proposed FSTP IM drive is comparable with a ancient SSTP IM drive, considering its good dynamic performance, value reduction, and low total harmonic distortion (THD).

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