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The aim of this paper is to propose a model-based feedback control strategy for indoor temperature regulation in buildings equipped with UnderFloor Air Distribution (UFAD). Supposing distributed sensing and actuation capabilities, a 0-D model of the ventilation process is first derived, based on the thermodynamics properties of the flow. A state-space description of the process is then inferred, including discrete events modeled by Markovian processes. This results in a hybrid model with nonlinear components. The use of a Wireless Sensor Network (WSN) and the resulting communication constraints are also discussed.
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