Embedded DSP-Based Compact Fuzzy System and Its Application for Induction-Motor V/f Speed Control

This paper presents a compact embedded fuzzy system for three-phase induction-motor scalar speed control. The control strategy consists in keeping constant the voltage-frequency ratio of the induction-motor supply source. A fuzzy-control system is built on a digital signal processor, which uses spee...

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Bibliographic Details
Published in:IEEE transactions on industrial electronics (1982) 2011-03, Vol.58 (3), p.750-760
Main Authors: Suetake, M, da Silva, I N, Goedtel, A
Format: Article
Language:English
Subjects:
Design engineering
Design optimization
Digital signal processors
Digital signal processors (DSPs)
Electric potential
Error correction
Frequency
Fuzzy control
Fuzzy systems
Induction motors
Modulation
Pulse width modulation inverters
real-time systems
Scalars
Speed control
Strategy
Velocity control
Voltage
Voltage control
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Summary:This paper presents a compact embedded fuzzy system for three-phase induction-motor scalar speed control. The control strategy consists in keeping constant the voltage-frequency ratio of the induction-motor supply source. A fuzzy-control system is built on a digital signal processor, which uses speed error and speed-error variation to change both the fundamental voltage amplitude and frequency of a sinusoidal pulsewidth modulation inverter. An alternative optimized method for embedded fuzzy-system design is also proposed. The controller performance, in relation to reference and load-torque variations, is evaluated by experimental results. A comparative analysis with conventional proportional-integral controller is also achieved.
ISSN:0278-0046
1557-9948
DOI:10.1109/TIE.2010.2047822