Title :
Fuzzy-model-based controller design for nonlinear electromagnetic suspension systems
Author :
Xiaojie Su ; Peng Shi ; Ligang Wu
Author_Institution :
Space Control & Inertial Technol. Res. Center, Harbin Inst. of Technol., Harbin, China
Abstract :
In this paper, the problem of fuzzy-model-based control is investigated for electromagnetic suspension (EMS) systems. Firstly, the nonlinear EMS system is represented by a 4 rules´ T-S fuzzy model. Then, a fuzzy state feedback controller is obtained to ensure the required mixed ℓ2-ℓ∞ performance of original EMS system to be achieved. The nonparallel-distributed compensation (PDC) scheme is employed to design this controller. Finally, sufficient conditions for the existence of such controllers are derived in terms of linear matrix inequalities constrict.
Keywords :
compensation; control system synthesis; fuzzy control; linear matrix inequalities; nonlinear systems; state feedback; suspensions; suspensions (mechanical components); EMS systems; T-S fuzzy model; employed to; fuzzy state feedback controller; fuzzy-model-based controller design; linear matrix inequalities; nonlinear EMS system; nonlinear electromagnetic suspension systems; nonparallel-distributed compensation scheme; Closed loop systems; Educational institutions; Environmental management; Linear matrix inequalities; Mathematical model; Nonlinear systems; Suspensions;
Conference_Titel :
Fuzzy Theory and Its Applications (iFUZZY), 2013 International Conference on
Conference_Location :
Taipei
DOI :
10.1109/iFuzzy.2013.6825484
