Journal
INNOVATIVE SOLUTIONS FOR ENERGY TRANSITIONS
Volume 158, Issue -, Pages 2800-2805Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.egypro.2019.02.041
Keywords
Building thermal control; building dynamic model; control system design; frequency response; heat transfer coefficient
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Funding
- National Council for Science and Technology
- Energy Ministry of Mexico (CONACyT-SENER)
- FLEXIS - European Regional Development Fund (ERDF) through the Welsh Government
- EPSRC [EP/S001492/1, EP/E036503/1] Funding Source: UKRI
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Heat consumption management and effective temperature control strategies to meet heat demand in residential and office buildings have become an important aspect within energy management. A thermal dynamic model of a building is not only necessary to estimate the energy consumption under different operating conditions but also to design effective controllers. This paper presents a classical control approach for the indoor temperature regulation of buildings. State -space and transfer function models of house thermal behaviour are developed. These are obtained from first principles of heat transfer and their analogy with electrical systems. To capture a realistic behaviour of heat transfer, the proposed models consider parametric uncertainties. A frequency response -based approach is used to obtain a reduced order system that facilitates control system design. The models have been implemented in MATLAB/Simulink and a PI controller has been designed to maintain a comfortable indoor temperature in the building. Simulation results show that the controller effectively regulates temperature despite system disturbances. An energy saving of around 8% comparing the proposed controller to a traditional on/off controller is achieved. (C) 2019 The Authors. Published by Elsevier Ltd.
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