Multi-task multi-constraint differential evolution with elite-guided knowledge transfer for coal mine integrated energy system dispatching

• URL: http://arxiv.org/abs/2407.00386v1
• Date: Sat, 29 Jun 2024 10:00:16 GMT
• Title: Multi-task multi-constraint differential evolution with elite-guided knowledge transfer for coal mine integrated energy system dispatching
• Authors: Canyun Dai, Xiaoyan Sun, Hejuan Hu, Wei Song, Yong Zhang, Dunwei Gong,
• Abstract summary: Existing constrained multiobjective evolutionary algorithms struggle with locating multiple small and irregular feasible regions. We here develop a multitask evolutionary algorithm framework that incorporates the dispatch correlated domain knowledge. The proposed algorithm in feasibility, convergence, and diversity is demonstrated in a case study of a coal mine integrated energy system.
• Score: 9.050846217690856
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The dispatch optimization of coal mine integrated energy system is challenging due to high dimensionality, strong coupling constraints, and multiobjective. Existing constrained multiobjective evolutionary algorithms struggle with locating multiple small and irregular feasible regions, making them inaplicable to this problem. To address this issue, we here develop a multitask evolutionary algorithm framework that incorporates the dispatch correlated domain knowledge to effectively deal with strong constraints and multiobjective optimization. Possible evolutionary multitask construction strategy based on complex constraint relationship analysis and handling, i.e., constraint coupled spatial decomposition, constraint strength classification and constraint handling technique, is first explored. Within the multitask evolutionary optimization framework, two strategies, i.e., an elite guided knowledge transfer by designing a special crowding distance mechanism to select dominant individuals from each task, and an adaptive neighborhood technology based mutation to effectively balance the diversity and convergence of each optimized task for the differential evolution algorithm, are further developed. The performance of the proposed algorithm in feasibility, convergence, and diversity is demonstrated in a case study of a coal mine integrated energy system by comparing with CPLEX solver and seven constrained multiobjective evolutionary algorithms.

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