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Online wavelet least-squares support vector machine fuzzy predictive control for engine lambda regulation
Wong P.K.; Wong H.C.; Vong C.M.; Wong K.I.
2016-10-01
Source PublicationInternational Journal of Engine Research
ISSN20413149 14680874
Volume17Issue:8Pages:866-885
Abstract

A novel online wavelet least-squares support machine fuzzy predictive control for engine lambda regulation is presented in this article. The prediction model of the proposed online wavelet least-squares support machine fuzzy predictive control is built and updated with a newly proposed modelling algorithm, namely, online wavelet least-squares support machines. The proposed online wavelet least-squares support machine adopts wavelet function that can inherit the local analysis ability and feature extraction from the wavelet transformation, as well as a novel online incremental and decremental updating procedure that can maintain the built prediction model to be accurate, sparse and updated without losing the generalization by continually adding the latest useful data and pruning out the outdated data. Besides, an advanced fuzzy optimizer is proposed to determine the optimal control signal for the online wavelet least-squares support machine fuzzy predictive control, which is faster than the traditional optimizers. The proposed online wavelet least-squares support machine fuzzy predictive control was implemented on a real performance test car and compared with the latest lambda control techniques based on various modelling algorithms, optimizers, updating procedure and support vector kernel for evaluating the effectiveness. The experimental results show that the proposed online wavelet least-squares support machine fuzzy predictive control is a promising scheme for lambda regulation.

KeywordEngine Lambda Fuzzy Optimizer Model Predictive Control Online Least-squares Support Vector Machine Wavelet Transformation
DOI10.1177/1468087415623909
URLView the original
Indexed BySCI
WOS Research AreaThermodynamics ; Engineering ; Transportation
WOS SubjectThermodynamics ; Engineering, Mechanical ; Transportation Science & Technology
WOS IDWOS:000383440000006
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Citation statistics
Cited Times [WOS]:3   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF COMPUTER AND INFORMATION SCIENCE
DEPARTMENT OF ELECTROMECHANICAL ENGINEERING
AffiliationUniversidade de Macau
Recommended Citation
GB/T 7714
Wong P.K.,Wong H.C.,Vong C.M.,et al. Online wavelet least-squares support vector machine fuzzy predictive control for engine lambda regulation[J]. International Journal of Engine Research,2016,17(8):866-885.
APA Wong P.K.,Wong H.C.,Vong C.M.,&Wong K.I..(2016).Online wavelet least-squares support vector machine fuzzy predictive control for engine lambda regulation.International Journal of Engine Research,17(8),866-885.
MLA Wong P.K.,et al."Online wavelet least-squares support vector machine fuzzy predictive control for engine lambda regulation".International Journal of Engine Research 17.8(2016):866-885.
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