CONTROL STRUCTURE SELECTION FOR THE ALSTOM GASIFIER BENCHMARK PROCESS USING GRDG ANALYSIS

Agustriyanto, Rudy and Zhang, Jie (2006) CONTROL STRUCTURE SELECTION FOR THE ALSTOM GASIFIER BENCHMARK PROCESS USING GRDG ANALYSIS. In: International Control Conference 2006, 30th August to 1st September 2006, Glasgow, Scotland, UK.

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Official URL: http://ukacc.group.shef.ac.uk/proceedings/control2...

Abstract

The objective of this work is to explore the disturbance rejection capability of possible multi-loop control structures for the ALSTOM gasifier benchmark process and selecting the appropriate control structure. Generalized Relative Disturbance Gain (GRDG) analysis is used for control structure determination. In order to carry out GRDG analysis, process models in the form of transfer functions are obtained from the discrete time models identified using the Output-Error (OE) method for system identification. Models identified with the OE method can provide accurate long range prediction (or simulation) performance and, hence, lead to accurate transfer function models. The GRDG analysis results clearly show that the baseline controller proposed by Asmar et al. (Asmar et al., 2000) is the favoured multi-loop control structure among their initial designs. This study provides explanation for the reason behind the impressive performance of the ALSTOM baseline controller that is not available before.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: ALSTOM Gasifier, Relative Disturbance Gain Array, Plantwide Control, Process Control.
Subjects: T Technology > TJ Mechanical engineering and machinery
T Technology > TK Electrical engineering. Electronics Nuclear engineering
T Technology > TP Chemical technology
Divisions: Faculty of Engineering > Department of Chemical Engineering
Depositing User: Rudy Agustriyanto, M.Sc 199005
Date Deposited: 01 Aug 2012 06:27
Last Modified: 01 Aug 2012 06:27
URI: http://repository.ubaya.ac.id/id/eprint/896

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