Performance analysis of fuzzy-LQR and fuzzy-LQG controllers for active vehicle suspension systems

Emre Kemer; Hasan Başak

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Research Article

Performance analysis of fuzzy-LQR and fuzzy-LQG controllers for active vehicle suspension systems

Emre Kemer1, Hasan Başak2

1Faculty of Eng. and Natural Sciences, Electrical-Electronics Eng., Uşak University, Uşak, Türkiye
2Faculty of Eng., Electrical-Electronics Eng., Artvin Çoruh University, Artvin, Türkiye

Keywords

Abstract

FLQR control;

FLQG control;

Road disturbance;

Ride comfort;

Quarter-car suspension system

Suspension systems in vehicles are crucial to both ride quality and driving security. The challenge of creating an effective control mechanism for automotive active suspension systems is addressed in this work. In the event of unforeseen road disturbances, the active suspension systems are intended to deliver a more pleasant ride and good handling. Fuzzy-Linear Quadratic Gaussian (FLQG) and Fuzzy-Linear Quadratic Regulator (FLQR) controllers adapting to road disturbances are proposed to enhance vehicle comfort through the reduction of the driver's overall body acceleration. The simulation findings demonstrate that the FLQR and FLQG controllers are efficient in adjusting the automotive suspension configuration under varying road profiles compared to those of the conventional LQR and LQG controllers.

DOI:http://dx.doi.org/10.17515/resm2024.177ce0207rs Full Text

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