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Development of simulation algorithms forcontrol scheme optimization in greenhouses.

Dalamagidis K. , Saridakis Georgios, Kolokotsa Dionysia

Πλήρης Εγγραφή

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Περίληψη

This project presents the development of an algorithm predicting ambient greenhouse air conditions to beused for energy efficiency simulation and control schemes optimization. The climatic conditions consideredare temperature, relative humidity, CO2 concentration and solar radiation. The algorithm has two modes ofoperation, the first simulates the greenhouse while in the second the heating, cooling, humidification ordehumidification, CO2 injection rates are calculated to maintain certain setpoints.The algorithm is designed to be used with the TRNSYS 15 simulation software which provides thepreprocessing of the weather data, as well as controller models. The model is defined by several componentsthat describe the characteristics of each glazing surface, the plants, the floor, the equipment and the zoneitself. Using this approach it is possible to simulate any greenhouse structure, provided that the requiredinformation is available.

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