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Methods for Plant Data-Based Process Modeling in Soft-Sensor Development (CROSBI ID 174608)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Slišković, Dražen ; Grbić, Ratko ; Hocenski, Željko Methods for Plant Data-Based Process Modeling in Soft-Sensor Development // Automatika : časopis za automatiku, mjerenje, elektroniku, računarstvo i komunikacije, 52 (2011), 4; 306-318

Podaci o odgovornosti

Slišković, Dražen ; Grbić, Ratko ; Hocenski, Željko

engleski

Methods for Plant Data-Based Process Modeling in Soft-Sensor Development

There has been an increased use of soft-sensors in process industry in recent years. These soft- sensors are computer programs that are used as a relatively cheap alternative to hardware sensors. Since process variables, which are concerned with final product quality, cannot always be measured by hardware sensors, designing the appropriate soft- sensor can be an interesting solution. Additionally, a soft-sensor can be used as a backup sensor, when the hardware sensor is in fault or removed due to maintenance or replacement. Soft-sensor is based on the mathematical model of the process. Since industrial processes are generally quite complex, a theoretical modeling approach is often impractical, expensive or sometimes even impossible. Therefore, process model building is based on measured data. This approach significantly gets complicated if only plant data, taken from the process database, are available. In this paper the most popular methods for plant data-based modeling that appeared in the last two decades are summarized and briefly explained. Apart from giving a short survey of the most important papers, tips about choosing the appropriate methodology for process model building are also provided.

Data-based process modeling; plant data; soft-sensor; modeling methods overview; papers overview

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Podaci o izdanju

52 (4)

2011.

306-318

objavljeno

0005-1144

Povezanost rada

Elektrotehnika, Računarstvo

Indeksiranost