4.7 Article

Optimal energy management system for residential buildings considering the time of use price with swarm intelligence algorithms

Journal

JOURNAL OF BUILDING ENGINEERING
Volume 59, Issue -, Pages -

Publisher

ELSEVIER
DOI: 10.1016/j.jobe.2022.105062

Keywords

Building energy management system; Heating ventilation and air conditioning system; Lighting system; Swarm intelligence algorithms

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This study proposes a mathematical model for cost estimation of residential building energy consumption, considering indoor heat gains, outdoor temperature, outdoor illuminance, and TOU price. A total of 46 swarm intelligence based optimization algorithms are used to optimize different building parameters. The Bald Eagle search (BES) algorithm is found to be the best algorithm among all 46 SIAs. Based on economic analysis, the proposed study achieves cost savings of approximately 34% and 57% compared to existing and conventional models.
Revolutions in human activities and lifestyles result in a transition from conventional to intelligent residential building infrastructure. Conventional heating, ventilation, and air con-ditioning (HVAC), refrigerator and lighting system challenges are addressed without taking into account building heat gains, outdoor illuminance, and temperature. Based on these param-eters, a mathematical model for cost estimation of residential building energy consumption, considering indoor heat gains, outdoor temperature, outdoor illuminance, and TOU price has been developed. A total of 46 swarm intelligence based optimization algorithms are used to optimize different building parameters. These swarm intelligence algorithms (SIA) are compared using the convergence curves, statistical and box-plot analysis and the Bald Eagle search (BES) algorithm is found to be the best algorithm among all 46 SIAs. The mean energy consumption costs of the best algorithm, BES, and the worst algorithm, fireworks algorithm (FA) are found to be Rs. 8.85 and Rs. 12.98, respectively. In addition, economic analysis has been conducted for the proposed study and it is compared with the existing models with building energy management systems (BEMS) and conventional model (without BEMS). It is observed that, based on this analysis, the cost savings achieved by the proposed study are nearer to 34% and 57% as compared to existing and conventional models.

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