UM
Sampled-data asynchronous fuzzy output feedback control for active suspension systems in restricted frequency domain
Li,Wenfeng1; Xie,Zhengchao1; Cao,Yucong2; Wong,Pak Kin3; Zhao,Jing3
2020
Source PublicationIEEE/CAA Journal of Automatica Sinica
ISSN2329-9266
AbstractThis paper proposes a novel sampled-data asynchronous fuzzy output feedback control approach for active suspension systems in restricted frequency domain. In order to better investigate uncertain suspension dynamics, the sampled-data Takagi-Sugeno ( T-S ) fuzzy half-car active suspension ( HCAS ) system is considered, which is further modelled as a continuous system with an input delay. Firstly, considering that the fuzzy system and the fuzzy controller cannot share the identical premises due to the existence of input delay, a reconstructed method is employed to synchronize the time scales of membership functions between the fuzzy controller and the fuzzy system. Secondly, since external disturbances often belong to a restricted frequency range, a finite frequency control criterion is presented for control synthesis to reduce conservatism. Thirdly, given a full information of state variables is hardly available in practical suspension systems, a two-stage method is proposed to calculate the static output feedback control gains. Moreover, an iterative algorithm is proposed to compute the optimum solution. Finally, numerical simulations verify the effectiveness of the proposed controllers.
KeywordFrequency control Frequency-domain analysis Fuzzy control Output feedback Suspensions Symmetric matrices
DOI10.1109/JAS.2020.1003306
URLView the original
Language英语
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Cited Times [WOS]:1   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.School of Mechanical and Automotive Engineering, South China University of Technology, and also with the Guangdong Provincial Key Laboratory of Technique and Equipment for Macromolecular Advanced Manufacturing, South China University of Technology, Guangzhou 510641, China
2.School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou 510641, and also with the Automotive Engineering Institute, Guangzhou Automotive Group Company, Ltd., Guangzhou 510640, China
3.Department of Electromechanical Engineering, University of Macau, Macau, China
Recommended Citation
GB/T 7714
Li,Wenfeng,Xie,Zhengchao,Cao,Yucong,et al. Sampled-data asynchronous fuzzy output feedback control for active suspension systems in restricted frequency domain[J]. IEEE/CAA Journal of Automatica Sinica,2020.
APA Li,Wenfeng,Xie,Zhengchao,Cao,Yucong,Wong,Pak Kin,&Zhao,Jing.(2020).Sampled-data asynchronous fuzzy output feedback control for active suspension systems in restricted frequency domain.IEEE/CAA Journal of Automatica Sinica.
MLA Li,Wenfeng,et al."Sampled-data asynchronous fuzzy output feedback control for active suspension systems in restricted frequency domain".IEEE/CAA Journal of Automatica Sinica (2020).
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