Multiple Point Control of Air Conditioning System for Improving Personal Comfort in Offices

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  • Sako Miho
    System AI Laboratory, Corporate Research & Development Center, Toshiba Corporation
  • Otsuki Tomoshi
    System AI Laboratory, Corporate Research & Development Center, Toshiba Corporation
  • Fujiwara Kenichi
    System AI Laboratory, Corporate Research & Development Center, Toshiba Corporation
  • Yano Toru
    System AI Laboratory, Corporate Research & Development Center, Toshiba Corporation

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  • オフィス空調における個人の快適性向上を目指した空調多点制御方式の提案

Abstract

<p>With promotion of remote work associated with the Covid-19 pandemic and expansion of the market for shared offices, introduction of a hot-desking in offices will be accelerated. Under this situation, air conditioning system is expected to operate so as to improve comfort of individual occupants according to position of occupants in a room. In this paper, we propose an air conditioning multiple point control system that determines air-conditioning setting values such that a summation of differences between zone temperatures and occupants' preferable temperatures is minimized by using thermal sensation data input by occupants. We show that this system reduced the individual’s temperature dissatisfaction and improved their comfort, both in a simulation and in an experiment on a real environment using occupant agents. In the simulation, we confirmed that the cost value, which is an index of dissatisfaction, was minimized by the proposed method in a scenario assuming an office environment. In the experiment on a real environment, we confirmed that the cost value of the proposed method was smaller than that of the comparison method, and the average difference between the occupants' preferable temperatures and the zone temperatures was reduced to about 1.0°C.</p>

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