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Sensors 2014, 14(6), 11179-11203; doi:10.3390/s140611179

Smart Sensors Enable Smart Air Conditioning Control

Department of Energy and Refrigerating Air-Conditioning Engineering, National Taipei University of Technology, Taipei 10608, Taiwan
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Received: 26 May 2014 / Revised: 10 June 2014 / Accepted: 16 June 2014 / Published: 24 June 2014
(This article belongs to the Section Physical Sensors)

Abstract

In this study, mobile phones, wearable devices, temperature and human motion detectors are integrated as smart sensors for enabling smart air conditioning control. Smart sensors obtain feedback, especially occupants’ information, from mobile phones and wearable devices placed on human body. The information can be used to adjust air conditioners in advance according to humans’ intentions, in so-called intention causing control. Experimental results show that the indoor temperature can be controlled accurately with errors of less than ±0.1 °C. Rapid cool down can be achieved within 2 min to the optimized indoor capacity after occupants enter a room. It’s also noted that within two-hour operation the total compressor output of the smart air conditioner is 48.4% less than that of the one using On-Off control. The smart air conditioner with wearable devices could detect the human temperature and activity during sleep to determine the sleeping state and adjusting the sleeping function flexibly. The sleeping function optimized by the smart air conditioner with wearable devices could reduce the energy consumption up to 46.9% and keep the human health. The presented smart air conditioner could provide a comfortable environment and achieve the goals of energy conservation and environmental protection. View Full-Text
Keywords: smart sensors; mobile phone; smart air conditioner; intention causing control; energy conservation; human comfort smart sensors; mobile phone; smart air conditioner; intention causing control; energy conservation; human comfort
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Cheng, C.-C.; Lee, D. Smart Sensors Enable Smart Air Conditioning Control. Sensors 2014, 14, 11179-11203.

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