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Title: Simulation and visualization of energy-related occupant behavior in office buildings

Abstract

In current building performance simulation programs, occupant presence and interactions with building systems are over-simplified and less indicative of real world scenarios, contributing to the discrepancies between simulated and actual energy use in buildings. Simulation results are normally presented using various types of charts. However, using those charts, it is difficult to visualize and communicate the importance of occupants’ behavior to building energy performance. This study introduced a new approach to simulating and visualizing energy-related occupant behavior in office buildings. First, the Occupancy Simulator was used to simulate the occupant presence and movement and generate occupant schedules for each space as well as for each occupant. Then an occupant behavior functional mockup unit (obFMU) was used to model occupant behavior and analyze their impact on building energy use through co-simulation with EnergyPlus. Finally, an agent-based model built upon AnyLogic was applied to visualize the simulation results of the occupant movement and interactions with building systems, as well as the related energy performance. A case study using a small office building in Miami, FL was presented to demonstrate the process and application of the Occupancy Simulator, the obFMU and EnergyPlus, and the AnyLogic module in simulation and visualization of energy-related occupantmore » behaviors in office buildings. Furthermore, the presented approach provides a new detailed and visual way for policy makers, architects, engineers and building operators to better understand occupant energy behavior and their impact on energy use in buildings, which can improve the design and operation of low energy buildings.« less

Authors:
 [1];  [2];  [1];  [1]
  1. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  2. Shanghai Jiao Tong Univ., Shanghai (China)
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Building Technologies Office (EE-5B)
OSTI Identifier:
1436655
Grant/Contract Number:  
AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
Building Simulation
Additional Journal Information:
Journal Volume: 10; Journal Issue: 6; Journal ID: ISSN 1996-3599
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; occupant behavior; behavior modeling; building simulation; visualization; EnergyPlus; building performance

Citation Formats

Chen, Yixing, Liang, Xin, Hong, Tianzhen, and Luo, Xuan. Simulation and visualization of energy-related occupant behavior in office buildings. United States: N. p., 2017. Web. doi:10.1007/s12273-017-0355-2.
Chen, Yixing, Liang, Xin, Hong, Tianzhen, & Luo, Xuan. Simulation and visualization of energy-related occupant behavior in office buildings. United States. doi:10.1007/s12273-017-0355-2.
Chen, Yixing, Liang, Xin, Hong, Tianzhen, and Luo, Xuan. Wed . "Simulation and visualization of energy-related occupant behavior in office buildings". United States. doi:10.1007/s12273-017-0355-2. https://www.osti.gov/servlets/purl/1436655.
@article{osti_1436655,
title = {Simulation and visualization of energy-related occupant behavior in office buildings},
author = {Chen, Yixing and Liang, Xin and Hong, Tianzhen and Luo, Xuan},
abstractNote = {In current building performance simulation programs, occupant presence and interactions with building systems are over-simplified and less indicative of real world scenarios, contributing to the discrepancies between simulated and actual energy use in buildings. Simulation results are normally presented using various types of charts. However, using those charts, it is difficult to visualize and communicate the importance of occupants’ behavior to building energy performance. This study introduced a new approach to simulating and visualizing energy-related occupant behavior in office buildings. First, the Occupancy Simulator was used to simulate the occupant presence and movement and generate occupant schedules for each space as well as for each occupant. Then an occupant behavior functional mockup unit (obFMU) was used to model occupant behavior and analyze their impact on building energy use through co-simulation with EnergyPlus. Finally, an agent-based model built upon AnyLogic was applied to visualize the simulation results of the occupant movement and interactions with building systems, as well as the related energy performance. A case study using a small office building in Miami, FL was presented to demonstrate the process and application of the Occupancy Simulator, the obFMU and EnergyPlus, and the AnyLogic module in simulation and visualization of energy-related occupant behaviors in office buildings. Furthermore, the presented approach provides a new detailed and visual way for policy makers, architects, engineers and building operators to better understand occupant energy behavior and their impact on energy use in buildings, which can improve the design and operation of low energy buildings.},
doi = {10.1007/s12273-017-0355-2},
journal = {Building Simulation},
number = 6,
volume = 10,
place = {United States},
year = {2017},
month = {3}
}

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