| Autor: |
Karsten Spreitzer, Harald Straky, Dörte Rückbrodt |
| Rok vydání: |
2002 |
| Předmět: |
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| Zdroj: |
IFAC Proceedings Volumes. 35:187-192 |
| ISSN: |
1474-6670 |
| DOI: |
10.3182/20020721-6-es-1901.01017 |
| Popis: |
Conventional central heating systems in German buildings are hot-water heating systems. These systems consist of a boiler and radiators or heating coils in the floor. A heating characteristic maps the current outdoor temperature to the set-point of the boiler outlet-temperature. Conventional PI-controllers with fixed parameters adjust the boiler outlet-temperature to the set-point. Since the process of heating water in the boiler is nonlinearly dependent on the water-mass-flow, knowledge of the flow-rate could improve the quality of control. This paper presents two different observer-based schemes for the estimation of the water flow rate through a central heating boiler. One is a disturbance observer and the other is a parameter observer. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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