Feedback Stabilization for the Mass Balance Equations of an Extrusion Process
IEEE Trans. Automat. Contr.(2016)
摘要
In this paper, we study the stabilization problem for a food extrusion process in the isothermal case. The model expresses the mass conservation in the extruder chamber and consists of a hyperbolic Partial Differential Equation (PDE) and a nonlinear Ordinary Differential Equation (ODE) whose dynamics describes the evolution of a moving interface. By using a Lyapunov approach, we obtain the exponential stabilization for the closed-loop system under natural feedback controls through indirect measurements. Numerical simulations are also provided with a comparison between the proposed approach and linear PI feedback controller.
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关键词
Process control,Fasteners,Mathematical model,Lyapunov methods,Temperature control,Feeds,Viscosity
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