Thermal comfort based fuzzy logic control

M. M. Gouda, Sean Danaher, Chris Underwood

Research output: Contribution to journalArticlepeer-review

61 Citations (Scopus)
11 Downloads (Pure)

Abstract

Most heating, ventilation and air conditioning (HVAC) control systems are considered as temperature control problems. In this work, the predicted mean vote (PMV) is used to control the indoor temperature of a space by setting it at a point where the PMV index becomes zero and the predicted percentage of persons dissatisfied (PPD) achieves a maximum threshold of 5%. This is achieved through the use of a fuzzy logic controller that takes into account a range of human comfort criteria in the formulation of the control action that should be applied to the heating system to bring the space to comfort conditions. The resulting controller is free of the set up and tuning problems that hinder conventional HVAC controllers. Simulation results show that the proposed control strategy makes it possible to maximize the indoor thermal comfort and, correspondingly, a reduction in energy use of 20% was obtained for a typical 7-day winter period when compared with conventional control.
Original languageEnglish
Pages (from-to)237-253
JournalBuilding Services Engineering Research and Technology
Volume22
Issue number4
DOIs
Publication statusPublished - Jan 2001

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