Takagi–Sugeno Fuzzy Model-Based Control for Semi-Active Cab Suspension Equipped with an Electromagnetic Damper and an Air Spring

Variable damping shock absorbers have received extensive attention for their efficient vibration reduction performance, and air springs also been widely used in high-end commercial vehicles due to nonlinear stiffness characteristics. This paper presents a novel semi-active cab suspension integrated with an spring variable electromagnetic damper (A-EMD). The (EMD) prototype was designed, manufactured tested. Then, the interference of characteristics controller subsequent design, Takagi–Sugeno fuzzy method adopted segmentally linearize its nonlinearity, based on which H∞ state feedback designed control EMD generate force. Furthermore, Luenberger observer provide immeasurable parameters controller. Numerical simulations were carried out validate effectiveness proposed approaches, results show that strategy can significantly improve ride comfort A-EMD system. dose value (VDV) acceleration under bump road frequency-weighted root mean square (FWA-RMS) random decreased by 36.05% 19.77%, respectively, compared passive