Air-fuel ratio fuzzy controller handling delay: comparison with a PI/Smith
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Universidade Federal de Minas Gerais
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This paper is dedicated to the control of the air-fuel ratio in a gasoline engine. The use of the crank-angle domain handles the variable transport delay, which is the main challenge when controlling air-fuel ratio. The Takagi-Sugeno methodology is considered to deal with the nonlinearities in the model. The control law is obtained using an extended state that includes the delayed variables. Simulations confirm the feasibility of the method and highlight the efficiency of the proposed air-fuel ratio controller.
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Desigualdades integrais, Liapunov, Funções de
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Gasoline engine , air-fuel ratio , injection timing control , Takagi-Sugeno model and control , variable transport delay , engine test bench, Controle de Processos, Controle Fuzzy, Sistemas com Retardo no Tempo, Delays , Atmospheric modeling , Engines , Nonlinear systems , Takagi-Sugeno model , Fuels , Closed loop systems, Air-fuel Ratio , Optimal Control , Variable Delay , Transport Delay , Gasoline Engine , Linear Model , Simulation Results , Control Design , Nonlinear Systems , Control Input , Closed-loop System , Membership Function , Exhaust Gas , State-space Model , Integration Of Activities , PI Controller , Oxygen Sensor , Amount Of Air , Continuous-time Model , Reference Tracking , Engine Speed , Stoichiometric Proportions , Original Way
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https://ieeexplore.ieee.org/document/8402751