The gap between automated building management system and office occupants' manual window operations: Towards personalised algorithms

This paper aims to demonstrate how knowledge acquired from occupants' manual window operations can be implemented into BMS automated window operation algorithms. Ten single-occupant offices were selected in a university building in the UK. More than 28,000 hourly data points on indoor and outdo...

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Veröffentlicht in:Automation in construction 2021-12, Vol.132, p.103960, Article 103960
Hauptverfasser: Korsavi, Sepideh S., Jones, Rory V., Fuertes, Alba
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Jones, Rory V.
Fuertes, Alba
description This paper aims to demonstrate how knowledge acquired from occupants' manual window operations can be implemented into BMS automated window operation algorithms. Ten single-occupant offices were selected in a university building in the UK. More than 28,000 hourly data points on indoor and outdoor temperature and open window area (OWA) were analysed from 2015 to 2020. The BMS had adopted nine different automated window operation algorithms during the 5 years. The automated window algorithms could be manually overridden by the office occupants. Automated algorithms were compared against manual window operations. The results showed that the slope and gradient of the regression lines for occupants' manual window operations are smaller than automated operations. OWA of automated window operations increased 20% per 1 °C increase in indoor temperature, however, occupants opened windows 6–8% per 1 °C increase. Occupants react slower to temperature changes than assumed by BMS, which could be considered in BMS automated window operations. •BMS automated window algorithms operate based on indoor temperature in this study.•Automated window operations by BMS impact occupants' manual window operations.•Occupants open windows at higher temperatures on the third floor than first floor.•BMSs need to consider building-related differences and seasonal changes.•A BMS system architecture is proposed to reduce the behaviour gap.
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subjects Algorithms
Automated algorithms
Automation
Behaviour gap
Building management systems
Data points
Knowledge acquisition
Office occupants
Open window area (OWA)
Personalised control
Slope gradients
Window operation
title The gap between automated building management system and office occupants' manual window operations: Towards personalised algorithms
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