Fraisse, G.; Virgone, J.; Roux, J.J.
January 1997
Energy and Buildings, vol 26-3, p. 303-316
This article starts with an overview of the principles of tertiary building control, and some basic points on the application of fuzzy logic to this problem. After a presentation of the TRNSYS simulation program, two new modules are described. The first of these, the TYPE 70, uses a simplified model of a building, based on an electrical analogy. It sets out the heat balance of a thermally homogenous zone, and also studies a multi-zone building made up of a number of adjacent rooms, namely several TYPE 70s connected together. The second module, the TYPE 71, is a fuzzy controller which determines the supply temperature of the water in the heating system. Its originality lies in the fact that it takes into account the `thermal state' of the building, in addition to the external temperature and the solar gains. A comparison is made between the TYPE 71 and an equivalent, but classical, controller. Simulations carried out with a mono-zone storey of a building showed that the fuzzy controller produced a temperature closer to the set-point temperature, and also a more accurate optimization of the restarting procedure.
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