Chinese Journal of Ship Research, Volume. 19, Issue 6, 150(2024)
Research on equipment layout optimization of ship engine room based on two-stage multi-objective intelligent design method
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Table 1. Equipment parameter table
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序号 设备数量/台 尺寸（长×宽）/mm 维检修权重 A1 1 2 300×700 0.8 A2 1 2 700×700 0.8 A3 2 1 800×700 0.8 A4 2 1900×700 0.6 A5 2 1 300×600 0.6 A6 1 900×600 0.5 B1 1 1 000×500 0.3 B2 1 1 000×500 0.3 B3 1 500×400 0.1 B4 1 300×250 0.3 B5 2 300×250 0.3 C1 1 1 000×500 0.4 C2 1 1 200×400 0.4 C3 1 800×450 0.4 C4 1 400×400 0.4
Table 2. Objective function values of each layout plan
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方案编号 维检修路径 总长度/m 通道最大宽度及 维修空间/m 剩余 有效空间/m2 1 23.955 0 1.473 8 9.825 6 2 11.612 5 1.431 0 5.888 0 3 14.185 0 1.473 8 4.939 9
Table 3. Comparison of objective function values for two-stage optimized layout plans
View tableView in ArticleTable 3. Comparison of objective function values for two-stage optimized layout plans
维检修路径 总长度/m 通道最大宽度及 维修空间/m 剩余 有效空间/ m2 阶段1 23.955 0 1.473 8 9.825 6 阶段2 12.052 5 1.922 3 9.988 0
Table 4. Comparison between the optimized and the original layout plan
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维检修路径 总长度/m 通道最大宽度及 维修空间/m 剩余 有效空间/m2 优化布置方案 12.05 1.922 3 9.988 0 原型 14.55 1.914 3 7.489 6 优化效果/% 17.18 0.47 33.36
Table 5. Hyperparameter analysis of optimization algorithms
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超参数 （交叉率，变异率） 维检修路径 总长度/m 通道最大宽度及 维修空间/m 剩余 有效空间/m2 （0.85，0.2） 12.052 5 1.922 3 9.988 0 （0.85，0.4） 11.317 5 1.915 0 9.587 2 （0.65，0.2） 12.542 5 1.902 5 10.029 1 （0.65，0.4） 11.475 2 1.915 6 9.543 6
Table 6. Analysis of the effectiveness of elite strategies
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有精英策略 遗传优化 无精英策略 遗传优化 维检修路径总长度/m 12.052 5 16.100 0 通道最大宽度及维修空间/m 1.922 3 1.905 0 剩余有效空间/m2 9.988 0 8.843 0
Table 7. Analysis of grid size
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网格尺寸/mm 25×25 50×50 100×100 维检修路径总长度/m 11.562 4 12.052 5 12.050 0 通道最大宽度及维修空间/m 1.910 7 1.922 3 1.907 5 剩余有效空间/m2 10.035 4 9.988 0 8.988 4
Table 8. Validation of the method generality
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NSGA-II 粒子群算法 维检修路径总长度/m 12.052 5 15.255 0 通道最大宽度及维修空间/m 1.922 3 1.905 0 剩余有效空间/m2 9.988 0 8.843 0
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Jincheng LI, Tun LIU, Bo LING, Zhenqiao ZHU, Mengxiong YE, Shuling YANG, Yukun FENG, Zuogang CHEN. Research on equipment layout optimization of ship engine room based on two-stage multi-objective intelligent design method[J]. Chinese Journal of Ship Research, 2024, 19(6): 150
Paper Information
Category: Theory and Method of Intelligent Design for Ship and Ocean Engineering
Received: May. 29, 2024
Accepted: Nov. 5, 2024
Published Online: Mar. 14, 2025
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