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Descripción
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| In this article the software and hardware control architecture for a novel high temperature three-phase electric air heating furnace is presented. It consists of a multiple-input single-output (MISO) non-linear plant designed to heat air at flow rates in a range between 10 Nm3/h and 60 Nm3/h, from ambient temperature up to 1000 ºC. A divide and conquer (D&C) approach is applied. It consists in discretizing the air flow rates and working temperatures in intervals where the system behaviour is considered as single-input single-output (SISO) linear plant. Process identification techniques have been used to obtain empiric models for different operation ranges of the electric furnace. The controller parameters have been calculated using the Ziegler-Nichols tuning method. The resulting output air temperature control is composed of a set of twelve PI and PID controllers. The switch among controllers as a function of air flow rates and temperatures is carried out using programming logic and gain scheduling technique respectively. The resulting multiple controller has been tested under real conditions and the results are presented and discussed. | |
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Internacional
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Si |
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JCR del ISI
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Si |
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Título de la revista
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Automatika |
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ISSN
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0005-1144 |
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Factor de impacto JCR
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0,311 |
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Información de impacto
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Datos JCR del año 2015 |
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Volumen
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DOI
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10.1080/00051144.2017.1342958 |
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Número de revista
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