Titlebook: Nonlinear Dynamics and Control in Process Engineering — Recent Advances; G. Continillo,M. Giona,S. Crescitelli Conference proceedings 2002

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CFD Simulation of Stirred Vessel Reactors,g for a common reagent, axe performed. The different discretization needs of the process simulation with respect to the fluid-dynamics simulation axe addressed and exploited to conveniently conduct the former with a much coarser gridding. Simulation results are compared with in-house experimental da

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Non-linear Process Analysis,em theory in science and technology is apparent. For example, most of the processes of interest in chemical engineering are described with complex, and often nonlinear, mathematical models. In this case, the system theory is of value in deriving insight and predictions..In this presentation, some ex

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Closed-Loop Identification and Control of Multivariable Chemical Processes: a Case Study,ble nonlinear chemical process (a distillation unit: .. — .. splitter). Classical relay techniques and a recently proposed method for identification and control design (ATV.) are applied in a sequential procedure which leads to the design of decentralised controllers..Several disadvantages of open-l

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Bifurcation Maps of the Reacting System CH4/O2/N2 in a CSTR,ion, hysteresis and oscillatory phenomena have been studied. Oscillatory behaviour has been analysed also in the time domain. The bifurcation analysis permitted the definition of operating conditions for combustion with reduced NO. emissions.

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Adaptive Fuzzy Control of a Process with Bifurcations,ucture with some additional adaptation mechanisms have been checked by simulation in the control of a non-linear process constituted by a bubble column in which a slow kinetics auto-catalytic reaction takes place. Simulation results show the validity of some of the proposed controllers in avoiding t

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