Simplified mechanistic model of the Multiple Hearth Furnace for control development

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Abstract

This work presents the simplified mechanistic model of a Multiple Hearth Furnace (MHF), developed for process control implementation. The detailed mechanistic model of the MHF and its solving procedure are introduced. Based on the detailed model, the simplified model is developed in the nonlinear Hammerstein-Wiener form, which defines a specific type of nonlinear state space models suitable for example for Model Predictive Control (MPC) implementation. The simplified model aims to preserve the key physical-chemical phenomena taking place in the furnace and to reproduce the nonlinear dependencies between the input and output variables. Finally, the paper presents the simulation results to compare the mechanistic and the simplified models. The comparison confirms that the dynamics of the simplified model accurately follows the mechanistic model outputs.

Details

Original languageEnglish
Publication statusAccepted/In press - 2016
EventEUROSIM Congress on Modelling and Simulation & SIMS Conference on Simulation and Modelling - Oulu, Finland
Duration: 12 Sep 201616 Sep 2016

Conference

ConferenceEUROSIM Congress on Modelling and Simulation & SIMS Conference on Simulation and Modelling
Abbreviated titleEUROSIM 2016 and SIMS 2016
CountryFinland
CityOulu
Period12/09/201616/09/2016

ID: 8180133