Open AccessNon‐fragile multi‐objective linear parameter‐varying controller design for vehicle lateral stability
Author(s) -
Li Pengxu,
Li Panshuo,
Zhao Jing,
Zhang Bin
Publication year - 2020
Publication title -
iet control theory and applications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.059
H-Index - 108
eISSN - 1751-8652
pISSN - 1751-8644
DOI - 10.1049/iet-cta.2020.0514
Subject(s) - control theory (sociology) , linear matrix inequality , yaw , controller (irrigation) , actuator , vehicle dynamics , bounded function , robust control , engineering , computer science , mathematics , control system , control (management) , mathematical optimization , automotive engineering , agronomy , artificial intelligence , biology , mathematical analysis , electrical engineering
This study investigates the robust non‐fragile controller design for vehicle lateral stability, with considering the uncertainties of tire cornering stiffness and actuator saturation. The vehicle longitudinal velocity is assumed to be time varying and the velocity‐dependent parameters are described within a trapezoid polytope. The norm‐bounded perturbation of controller gain is taken into account which is more practical. By solving the linear matrix inequalities, the non‐fragile linear parameter‐varying controller is obtained to satisfy the mixed H ∞ and G H 2 performance of the vehicle dynamics system. With the designed controller, the sideslip angle and yaw rate of vehicle are restricted effectively to guarantee the lateral stability and handling performance. Two simulations are carried out to validate the effectiveness of the designed controller.