Hyperparameter Bayesian Optimization of Gaussian Process Regression Applied in Speed-Sensorless Predictive Torque Control of an Autonomous Wind Energy Conversion System

This paper introduces a novel approach to speed-sensorless predictive torque control (PTC) in an autonomous wind energy conversion system, specifically utilizing an asymmetric double star induction generator (ADSIG). To achieve accurate estimation of non-linear quantities, the Gaussian Process Regre...

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Vydáno v:Energies Ročník 16; číslo 12; s. 4738
Hlavní autoři: Hamoudi, Yanis, Amimeur, Hocine, Aouzellag, Djamal, Abdolrasol, Maher G. M., Ustun, Taha Selim
Médium: Journal Article
Jazyk:angličtina
Vydáno: Basel MDPI AG 01.06.2023
Témata:
Algorithms
Alternative energy sources
Buildings and facilities
Climate change
Explicit knowledge
Gaussian Process Regression
Gaussian processes
hyperparameter Bayesian optimization
Machine learning
Mathematical models
Optimization
predictive torque control
predictive torque control; supervised learning algorithm; Gaussian Process Regression; sensorless speed control; hyperparameter Bayesian optimization
sensorless speed control
Sensors
Simulation
supervised learning algorithm
T
Technology
Wind power
ISSN:1996-1073, 1996-1073
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Shrnutí:This paper introduces a novel approach to speed-sensorless predictive torque control (PTC) in an autonomous wind energy conversion system, specifically utilizing an asymmetric double star induction generator (ADSIG). To achieve accurate estimation of non-linear quantities, the Gaussian Process Regression algorithm (GPR) is employed as a powerful machine learning tool for designing speed and flux estimators. To enhance the capabilities of the GPR, two improvements were implemented, (a) hyperparametric optimization through the Bayesian optimization (BO) algorithm and (b) curation of the input vector using the gray box concept, leveraging our existing knowledge of the ADSIG. Simulation results have demonstrated that the proposed GPR-PTC would remain robust and unaffected by the absence of a speed sensor, maintaining performance even under varying magnetizing inductance. This enables a reliable and cost-effective control solution.
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ISSN:1996-1073
1996-1073
DOI:10.3390/en16124738