Notice of retraction
Vol. 32, No. 8(2), S&M2292

ISSN (print) 0914-4935
ISSN (online) 2435-0869
Sensors and Materials
is an international peer-reviewed open access journal to provide a forum for researchers working in multidisciplinary fields of sensing technology.
Sensors and Materials
is covered by Science Citation Index Expanded (Clarivate Analytics), Scopus (Elsevier), and other databases.

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pp. 345-356
S&M2458 Research Paper of Special Issue

Adaptive Speed-identification Air-gap Flux Vector-controlled Induction Motor Drive Based on Firefly Algorithm

Yung-Chang Luo, Yan-Chen Ji, Chia-Hung Lin, and Wen-Cheng Pu

(Received June 16, 2020; Accepted November 7, 2020)

Keywords: speed identification, air-gap flux vector–controlled (AGFVC), model reference adaptive control (MRAC), firefly algorithm (FA)

An adaptive speed-identification scheme based on the firefly algorithm (FA) is presented for an air-gap flux vector–controlled (AGFVC) induction motor (IM) drive. The AGFVC IM drive was established using a stator current and air-gap flux. The stator current was acquired from an IM using a Hall effect sensing element. The Hall effect element was employed as an electromagnetic sensor to detect the stator current while the AGFVC IM was rotating under different reversible steady-state speed commands. Model reference adaptive control (MRAC) was utilized to develop a synchronous speed-identification scheme based on the reactive power of the motor, and the rotor speed was estimated by subtracting the slip speed from the estimated synchronous speed. The MRAC adaptation mechanism was designed using the FA. The MATLAB/Simulink© toolbox was used to simulate the proposed AGFVC IM drive system, and all the control algorithms were implemented using a TI DSP 6712-and-F2812 control card to generate pulse width modulation signals through the power stage to actuate the motor. Both simulation and experimental results verified the effectiveness of the proposed system.

Corresponding author: Yung-Chang Luo




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