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whereas for the iHome spatial extension is an essential property. A robot exists in a
certain environment and behaves according to its tasks and the conditions of the
environment. The iHome also has an environment but it consists not only of the world
outside the building but also of the world inside. In this part of the environment the
iHome has to serve the varying requests of the inhabitants.
From the different parts of the iHome we have chosen the heating system because
with respect to temperature the requests of the inhabitants are not constantly
changing, rather there exist typical scenarios that are to be followed and that can be
learned by the iHome. These scenarios are specified to single rooms in the house,
certain daytimes, and the weekdays. The iHome must be flexible enough to react to
deviations from the scenarios triggered by the inhabitants and to adapt to changes of
the scenarios in time. In any case the iHome has to take into account the weather
conditions outside.
Section 2 of this paper gives an overview of the heating system of a home. Section
3 describes how the requirements of the heating system must be formalized to build
an AIS for controlling such a system. Based on the definitions in section 3 the AIS is
modeled in section 4 with the structure of the antigens and antibodies, the network,
and the bone marrow model. The results of a few simulated tests that are designed
according to various needs of the inhabitants are presented in section 5. Finally,
section 6 concludes the paper.
2 Some Properties of the Heating System of a Home
Figure 1 shows a heating system. Components like radiators and outlets of heated
water are represented only once for simplicity. As can be seen from the figure, in a
modern heating system one tries to reduce the costs of heating making use of different
energy sources not only fossil fuels, e.g. solar energy. Also, the control of the
temperature by the system tries to minimize the costs by reducing temperature by
some degrees when a room is not used.
Fig. 1.
The structure of the heating system in a home
