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Comparison of Multi-objective Evolutionary Optimization in Smart Building Scenarios

Comparison of Multi-objective Evolutionary Optimization in Smart Building Scenarios

Published: 2016 März

Buchtitel: Applications of Evolutionary Computation: 18th European Conference, EvoApplications 2016
Verlag: Springer

Referierte Veröffentlichung


The optimization of operating times and operation modes of devices and systems that consume or generate electricity in buildings by building energy management systems promises to alleviate problems arising in today's electricity grids. Conflicting objectives may have to be pursued in this context, giving rise to a multi-objective optimization problem. This paper presents the optimization of appliances as well as heating and air-conditioning devices in two distinct settings of smart buildings, a residential and a commercial building, with respect to the minimization of energy costs, CO2 emissions, discomfort, and technical wearout. We propose new encodings for appliances that are based on a combined categorization of devices respecting both, the optimization of operating times as well as operation modes, e.g., of hybrid devices. To identify an evolutionary algorithm that promises to lead to good optimization results of the devices in our real-world lab environments, we compare four state-of-the-art algorithms in realistic simulations: ESPEA, NSGA-II, NSGA-III, and SPEA2. The results show that ESPEA and NSGA-II significantly outperform the other two algorithms in our scenario.



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Energy Smart Home Lab, Organic Smart Home


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