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Communication Dans Un Congrès Année : 2022

Finite-frequency static output feedback H ∞ control for Diesel engine air path system with turbocharger

Résumé

This paper, we concentrate on the problem of finite-frequency (FF) static output feedback (SOF) H ∞ control design for a four-cylinder diesel engine air path. The state space model of Diesel engine, firstly, is linearized around average an operating point of the diesel engine. Then, the robust integrator-based control strategy is developed to track the desired reference signals despite the presence of disturbances. The objective is to regulate the intake and exhaust manifold pressures to desired reference pressures by controlling the Geometry Turbine (VGT) and Exhaust Gas Recirculation (EGR) valves. For this, the considered average value model based descriptor approach is used to design a SOF controller to ensure a good tracking of the reference pressures. Sufficient conditions are established to ensure both the asymptotic stability of the resulting closed loop descriptor system and the prescribed H ∞ performance. Simulation results, using nonlinear model of Diesel engine air path is provided to illustrate the performance of developed method.
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Dates et versions

hal-04011674 , version 1 (02-03-2023)

Identifiants

Citer

Abderrahim El-Amrani, Ahmed El Hajjaji, Jerome Bosche, Oussama Djadane. Finite-frequency static output feedback H ∞ control for Diesel engine air path system with turbocharger. 2022 Australian & New Zealand Control Conference (ANZCC), Nov 2022, Gold Coast, Australia. pp.40-45, ⟨10.1109/ANZCC56036.2022.9966960⟩. ⟨hal-04011674⟩
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