TY - GEN
T1 - Observer-based fuzzy sliding mode control for vehicle semi-active suspensions
AU - Hsiao, Wen Yen
AU - Chiang, Hsin Han
PY - 2012
Y1 - 2012
N2 - This paper proposes a vehicle semi-active suspension system by using fuzzy sliding mode control (FSMC) with the filtered feedback scheme. Conventional approaches of direct state feedback control can not reduce the vibration in both above and below wheel frequency. To get over this limit, the filtered feedback scheme is augmented in the control system. For the full state feedback system, an observer is developed to estimate all system states. Fuzzy logic control (FLC) is employed to estimate the switching control gain of the sliding mode controller without need of the precise upper bound of system uncertainties in advance. The CarSim and SIMULINK co-simulation is used and a multi-body virtual prototype of sedan under a sine sweep of road profile is presented in CarSim software. The evaluation results show the superior performance of our approach in comparison with the built-in semi-active suspension system of CarSim, and the passive suspension system.
AB - This paper proposes a vehicle semi-active suspension system by using fuzzy sliding mode control (FSMC) with the filtered feedback scheme. Conventional approaches of direct state feedback control can not reduce the vibration in both above and below wheel frequency. To get over this limit, the filtered feedback scheme is augmented in the control system. For the full state feedback system, an observer is developed to estimate all system states. Fuzzy logic control (FLC) is employed to estimate the switching control gain of the sliding mode controller without need of the precise upper bound of system uncertainties in advance. The CarSim and SIMULINK co-simulation is used and a multi-body virtual prototype of sedan under a sine sweep of road profile is presented in CarSim software. The evaluation results show the superior performance of our approach in comparison with the built-in semi-active suspension system of CarSim, and the passive suspension system.
KW - Semi-active suspension
KW - fuzzy logic control
KW - observer
KW - skyhook damper
KW - sliding mode control
UR - http://www.scopus.com/inward/record.url?scp=84867597407&partnerID=8YFLogxK
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U2 - 10.1109/FUZZ-IEEE.2012.6251189
DO - 10.1109/FUZZ-IEEE.2012.6251189
M3 - Conference contribution
AN - SCOPUS:84867597407
SN - 9781467315067
T3 - IEEE International Conference on Fuzzy Systems
BT - 2012 IEEE International Conference on Fuzzy Systems, FUZZ 2012
T2 - 2012 IEEE International Conference on Fuzzy Systems, FUZZ 2012
Y2 - 10 June 2012 through 15 June 2012
ER -