Control of a two-stage turbocharged diesel engine air path system for mode transition via feedback linearization

This paper presents a nonlinear control design for a Diesel engine air path system with a two-stage turbocharger. The proposed design aims at improving the robustness and smoothness of the system response during mode transitions, namely by coordinating the available actuators to regulate the intake and exhaust manifold pressures and air mass flow rate to specified set points.