汽车工程 ›› 2021, Vol. 43 ›› Issue (10): 1457-1465.doi: 10.19562/j.chinasae.qcgc.2021.10.006
收稿日期:2021-04-19
修回日期:2021-06-09
出版日期:2021-10-25
发布日期:2021-10-25
通讯作者:
白影春
E-mail:baiyc@bit.edu.cn
基金资助:
Puyi Wang1,3,Yingchun Bai1,2(
),Cheng Lin1,Zhenjiang Wu4,Baohua Wang3
Received:2021-04-19
Revised:2021-06-09
Online:2021-10-25
Published:2021-10-25
Contact:
Yingchun Bai
E-mail:baiyc@bit.edu.cn
摘要:
为了动力电池包的轻量化和提高其模态频率,提出一种基于EGO加点策略的多目标优化方法。首先通过实验设计和帕累托法则分析了设计变量对优化目标的影响,选出对电池包的质量和1阶模态频率影响较大的变量作为优化对象,以降低求解难度。其次采用MOPSO算法,辅以Kriging代理模型求解优化问题,再利用EGO加点策略和物理模型分别获得的新设计点和样本,进而更新代理模型直至优化收敛。最后,利用测试函数验证了所提方法的可行性,并将其用于随机振动下电池包多目标优化问题的求解。结果表明,该方法高效可行,在获得较高1阶模态频率的同时,电池包的质量减小了4.89 kg。
王普毅,白影春,林程,武振江,王保华. 基于EGO加点策略的动力电池包多目标优化[J]. 汽车工程, 2021, 43(10): 1457-1465.
Puyi Wang,Yingchun Bai,Cheng Lin,Zhenjiang Wu,Baohua Wang. Multi⁃objective Optimization of Traction Battery Pack Based on EGO Strategy with Additive Sample Points[J]. Automotive Engineering, 2021, 43(10): 1457-1465.
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