Integrating Internet of Things : An Experimental At-the-Moment Occupant Comfort Control System
This paper describes an empirical experiment of Internet of Things (IoT)’s integration in the Post-Occupancy Evaluation (POE) process. The experiment aimed to trial a novel IoT approach to enabling building user responsiveness to prevalent IEQ for individualised comfort. The purpose is to provide a...
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creator | Rasheed, Eziaku Wang, Kris Hashemi, Ali Mahmoodi, Masoud Panchalingam, Kajavathani |
description | This paper describes an empirical experiment of Internet of Things (IoT)’s integration in the Post-Occupancy Evaluation (POE) process. The experiment aimed to trial a novel IoT approach to enabling building user responsiveness to prevalent IEQ for individualised comfort. The purpose is to provide a system that mitigates a common issue of centralised air conditioning that limits occupants’ control over their immediate environment. To achieve this, an IoT platform was developed with smart IEQ monitoring sensors and wearable devices and trialled with PhD researchers in a shared university workspace. The findings provided empirical evidence of IoT’s enhanced benefits to improving user control over their individual comfort and enabling positive energy behaviour in buildings. Specifically, the IoT system provided real-time insight into CO[sub.2] concentration data while enabling responsive occupant interaction with their immediate environment and at-the-moment mitigation actions. Outputs of the experiment showed that the perceptions of participants about the stuffiness of the air, productivity, and healthy environment were significantly better after taking the mitigation action compared to before. Also, we found a significant relationship between measured CO[sub.2] concentration readings and perceived air stuffiness (p = 0.004) and productivity (p = 0.006) and a non-significant relationship between CO[sub.2] concentration readings and perceived healthy environment (p = 0.058). Interestingly, we observed that irrespective of the similarities in recorded CO[sub.2] concentration readings being within acceptable ranges (632–712 ppm), the perception of air stuffiness significantly differed (p = 0.018) before and after the mitigation actions. The effectiveness of the developed IoT platform was evidenced as most of the participants found the process very easy to participate in with little interruptions to their work as little time was consumed. The results are useful in modifying approaches to building occupant comfort and energy behaviour in commercial and residential settings. |
doi_str_mv | 10.3390/buildings14072095 |
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The experiment aimed to trial a novel IoT approach to enabling building user responsiveness to prevalent IEQ for individualised comfort. The purpose is to provide a system that mitigates a common issue of centralised air conditioning that limits occupants’ control over their immediate environment. To achieve this, an IoT platform was developed with smart IEQ monitoring sensors and wearable devices and trialled with PhD researchers in a shared university workspace. The findings provided empirical evidence of IoT’s enhanced benefits to improving user control over their individual comfort and enabling positive energy behaviour in buildings. Specifically, the IoT system provided real-time insight into CO[sub.2] concentration data while enabling responsive occupant interaction with their immediate environment and at-the-moment mitigation actions. Outputs of the experiment showed that the perceptions of participants about the stuffiness of the air, productivity, and healthy environment were significantly better after taking the mitigation action compared to before. Also, we found a significant relationship between measured CO[sub.2] concentration readings and perceived air stuffiness (p = 0.004) and productivity (p = 0.006) and a non-significant relationship between CO[sub.2] concentration readings and perceived healthy environment (p = 0.058). Interestingly, we observed that irrespective of the similarities in recorded CO[sub.2] concentration readings being within acceptable ranges (632–712 ppm), the perception of air stuffiness significantly differed (p = 0.018) before and after the mitigation actions. The effectiveness of the developed IoT platform was evidenced as most of the participants found the process very easy to participate in with little interruptions to their work as little time was consumed. 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The experiment aimed to trial a novel IoT approach to enabling building user responsiveness to prevalent IEQ for individualised comfort. The purpose is to provide a system that mitigates a common issue of centralised air conditioning that limits occupants’ control over their immediate environment. To achieve this, an IoT platform was developed with smart IEQ monitoring sensors and wearable devices and trialled with PhD researchers in a shared university workspace. The findings provided empirical evidence of IoT’s enhanced benefits to improving user control over their individual comfort and enabling positive energy behaviour in buildings. Specifically, the IoT system provided real-time insight into CO[sub.2] concentration data while enabling responsive occupant interaction with their immediate environment and at-the-moment mitigation actions. Outputs of the experiment showed that the perceptions of participants about the stuffiness of the air, productivity, and healthy environment were significantly better after taking the mitigation action compared to before. Also, we found a significant relationship between measured CO[sub.2] concentration readings and perceived air stuffiness (p = 0.004) and productivity (p = 0.006) and a non-significant relationship between CO[sub.2] concentration readings and perceived healthy environment (p = 0.058). Interestingly, we observed that irrespective of the similarities in recorded CO[sub.2] concentration readings being within acceptable ranges (632–712 ppm), the perception of air stuffiness significantly differed (p = 0.018) before and after the mitigation actions. The effectiveness of the developed IoT platform was evidenced as most of the participants found the process very easy to participate in with little interruptions to their work as little time was consumed. The results are useful in modifying approaches to building occupant comfort and energy behaviour in commercial and residential settings.</description><subject>Air quality</subject><subject>Control systems</subject><subject>Evaluation</subject><subject>Work environment</subject><issn>2075-5309</issn><issn>2075-5309</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNptjM1OwzAQhC0EElXpA3CzxDnFseOfcIuiQisV9dCeqRxnnRoldpW4Erw9ieDQA7uH-XY1Mwg9pmTJWE6eq4tra-ebIc2IpCTnN2hGieQJZyS_veJ7tBiGTzKO4pTybIY-Nj5C0-s4xvHEvYeIg8WH01SIX3Dh8errDL3rwEfd4iIm8QTJe5huvDPmctYjlKGzoZ_Uxz60eP89ROge0J3V7QCLP52j_evqUK6T7e5tUxbbpBEyS5QAy1MLOdis0ikFBVzVhAmmKqUEZ7KWUGVC8LriEghwUktlRGUNFTxjc_T029roFo7O2xB7bTo3mGOhCJOCUTG5lv-4xq2hcyZ4sG78XwV-AC7rZ2M</recordid><startdate>20240701</startdate><enddate>20240701</enddate><creator>Rasheed, Eziaku</creator><creator>Wang, Kris</creator><creator>Hashemi, Ali</creator><creator>Mahmoodi, Masoud</creator><creator>Panchalingam, Kajavathani</creator><general>MDPI AG</general><scope/></search><sort><creationdate>20240701</creationdate><title>Integrating Internet of Things : An Experimental At-the-Moment Occupant Comfort Control System</title><author>Rasheed, Eziaku ; Wang, Kris ; Hashemi, Ali ; Mahmoodi, Masoud ; Panchalingam, Kajavathani</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-g674-86ef51fe9ef4ba12e8e58d03638b886537d7eb4665db57e0e50d78c6bfc26543</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Air quality</topic><topic>Control systems</topic><topic>Evaluation</topic><topic>Work environment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rasheed, Eziaku</creatorcontrib><creatorcontrib>Wang, Kris</creatorcontrib><creatorcontrib>Hashemi, Ali</creatorcontrib><creatorcontrib>Mahmoodi, Masoud</creatorcontrib><creatorcontrib>Panchalingam, Kajavathani</creatorcontrib><jtitle>Buildings (Basel)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rasheed, Eziaku</au><au>Wang, Kris</au><au>Hashemi, Ali</au><au>Mahmoodi, Masoud</au><au>Panchalingam, Kajavathani</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Integrating Internet of Things : An Experimental At-the-Moment Occupant Comfort Control System</atitle><jtitle>Buildings (Basel)</jtitle><date>2024-07-01</date><risdate>2024</risdate><volume>14</volume><issue>7</issue><issn>2075-5309</issn><eissn>2075-5309</eissn><abstract>This paper describes an empirical experiment of Internet of Things (IoT)’s integration in the Post-Occupancy Evaluation (POE) process. The experiment aimed to trial a novel IoT approach to enabling building user responsiveness to prevalent IEQ for individualised comfort. The purpose is to provide a system that mitigates a common issue of centralised air conditioning that limits occupants’ control over their immediate environment. To achieve this, an IoT platform was developed with smart IEQ monitoring sensors and wearable devices and trialled with PhD researchers in a shared university workspace. The findings provided empirical evidence of IoT’s enhanced benefits to improving user control over their individual comfort and enabling positive energy behaviour in buildings. Specifically, the IoT system provided real-time insight into CO[sub.2] concentration data while enabling responsive occupant interaction with their immediate environment and at-the-moment mitigation actions. Outputs of the experiment showed that the perceptions of participants about the stuffiness of the air, productivity, and healthy environment were significantly better after taking the mitigation action compared to before. Also, we found a significant relationship between measured CO[sub.2] concentration readings and perceived air stuffiness (p = 0.004) and productivity (p = 0.006) and a non-significant relationship between CO[sub.2] concentration readings and perceived healthy environment (p = 0.058). Interestingly, we observed that irrespective of the similarities in recorded CO[sub.2] concentration readings being within acceptable ranges (632–712 ppm), the perception of air stuffiness significantly differed (p = 0.018) before and after the mitigation actions. The effectiveness of the developed IoT platform was evidenced as most of the participants found the process very easy to participate in with little interruptions to their work as little time was consumed. 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subjects | Air quality Control systems Evaluation Work environment |
title | Integrating Internet of Things : An Experimental At-the-Moment Occupant Comfort Control System |
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