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Research on Evacuation Path Planning Based on Improved Sparrow Search Algorithm

Computer Modeling in Engineering & Sciences 2024年第5期139卷 1295-1316页

作者： Xiaoge Wei Yuming Zhang Huaitao Song Hengjie Qin Guanjun Zhao The School of Building Environment Engineering Zhengzhou University of Light IndustryZhengzhou450001China Zhengzhou Key Laboratory of Electric Power Fire Safety Zhengzhou University of Light IndustryZhengzhou450001China Eccom Network System Shanghai201103China

Reducing casualties and property losses through effective evacuation route planning has been a key focus for researchers in recent years.As part of this effort,an enhanced sparrow search algorithm(MSSA)was proposed.Firstly,the Golden Sine algorithm and a nonlinear weight factor optimization strategy were added in the discoverer position update stage of the SSA algorithm.Secondly,the Cauchy-Gaussian perturbation was applied to the optimal position of the SSA algorithm to improve its ability to jump out of local optima.Finally,the local search mechanism based on the mountain climbing method was incorporated into the local search stage of the SSA algorithm,improving its local search ability.To evaluate the effectiveness of the proposed algorithm,the Whale Algorithm,Gray Wolf Algorithm,Improved Gray Wolf Algorithm,Sparrow Search Algorithm,and MSSA Algorithm were employed to solve various test functions.The accuracy and convergence speed of each algorithm were then compared and analyzed.The results indicate that the MSSA algorithm has superior solving ability and stability compared to other algorithms.To further validate the enhanced algorithm’s capabilities for path planning,evacuation experiments were conducted using different maps featuring various obstacle types.Additionally,a multi-exit evacuation scenario was constructed according to the actual building environment of a teaching building.Both the sparrow search algorithm and MSSA algorithm were employed in the simulation experiment for multiexit evacuation path planning.The findings demonstrate that the MSSA algorithm outperforms the comparison algorithm,showcasing its greater advantages and higher application potential.

关键词： Sparrow search algorithm optimization and improvement function test set evacuation path planning

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