Design of a fuzzy robust-adaptive control law for active suspension systems

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dc.contributor.authorOzbek, Cengiz
dc.contributor.authorOzguney, Omur Can
dc.contributor.authorBurkan, Recep
dc.contributor.authorYagiz, Nurkan
dc.date.accessioned2024-03-13T10:30:52Z
dc.date.available2024-03-13T10:30:52Z
dc.date.issued2020
dc.departmentİstanbul Beykent Üniversitesien_US
dc.description.abstractThis paper outlines a new approach in control of active vibration systems to make the system robust to parametric uncertainties, unmodeled dynamic effects and external disturbances. Namely, it is aimed to ensure robustness of the system towards all kind of disturbances such as road surface inputs and unexpected system parameter changes. So, a new robust-adaptive controller is designed as a vibration isolator and then applied on a full car active suspension system to improve the ride comfort of a vehicle in the presence of structured parameter uncertainties and unstructured unknown parameters or unmodeled dynamics. For this purpose, new parametric uncertainty upper bound adaptation algorithm is developed to isolate any platform from vibrations. Using adaptive laws, the controller can operate properly under changing conditions. The robustness of controller is also ensured by robust control law. This new approach represents a groundbreaking solution to eliminate any disturbance on a vehicle. Stability of the system is guaranteed by using Lyapunov theory, thus uniform boundedness error convergence is achieved. Afterwards, fuzzy logic controller is used to achieve the optimum values of controller gains. Also, comparative numerical solution using a fuzzy logic controlled suspension is performed on the same full-car model, both in time and frequency domain since classical FLC is an effective control method for active suspensions. At the end, it has been verified that the designed fuzzy robust-adaptive controller improves ride comfort more successfully than fuzzy logic one.en_US
dc.identifier.doi10.1007/s12046-020-01433-y
dc.identifier.issn0256-2499
dc.identifier.issn0973-7677
dc.identifier.issue1en_US
dc.identifier.scopus2-s2.0-85089028807en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.urihttps://doi.org/10.1007/s12046-020-01433-y
dc.identifier.urihttps://hdl.handle.net/20.500.12662/3577
dc.identifier.volume45en_US
dc.identifier.wosWOS:000561068300002en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherSpringer Indiaen_US
dc.relation.ispartofSadhana-Academy Proceedings In Engineering Sciencesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectFuzzy logicen_US
dc.subjectadaptive controlleren_US
dc.subjectrobust controlleren_US
dc.subjectLyapunov stabilityen_US
dc.subjectactive suspensionsen_US
dc.titleDesign of a fuzzy robust-adaptive control law for active suspension systemsen_US
dc.typeArticleen_US

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