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Improving evolutionary algorithm performance for integer type multi-objective building system design optimization
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DOI：10.1016/j.enbuild.2016.06.043.png)
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Abstract
En 中文
Building system design optimization is becoming popular for design decision making. State-of-the-art technique that couples evolutionary algorithms with a building simulation engine, which is time consuming and often cannot reach the true optimal solutions. Studies addressing these issues focus on implementing strategies such as fine tuning optimization algorithm's parameters, hybrid evolutionary algorithms with a local search algorithm or optimizing meta-models. Unlike the previous studies, this paper proposes two improvement strategies for building system design optimization. The two strategies, adaptive operators approach and adaptive meta-model approach, modify the behaviors of conventional evolutionary algorithms to improve the optimization convergency and speed performance. To demonstrate the effectiveness of these two strategies compared to conventional algorithms, a case study was conducted. The case study observed high convergency performance from both strategies with 30% and 60% time savings respectively. Furthermore, this study examines the performance comparison in respect to convergency, diversity preservation and speed between these two strategies. (C) 2016 Elsevier B.V. All rights reserved.
Keywords:
Multi-objective evolutionary optimization
Building system design
Building cost estimation
Optimization performance
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