吉林大学学报(工学版)

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Shape optimization of high speed energy storage flywheel based on differential evolution

Guo Zhen-u,Ye Min,Cheng Bo,Kang Long-un,Cao Bing-ang   

  1. School of Mechanical Engineering, Xi′an Jiaotong University, Xi′an 710049, China
  • Received:2006-10-25 Revised:2007-05-06 Online:2008-01-01 Published:2008-01-01
  • Contact: Cao Bing-gang

Abstract: 采用差异演化算法对高速储能飞轮的形状进行优化,以实现储能飞轮具有最大的质量能量密度,并且以在高速旋转的状态下满足强度要求为设计目标。针对差异演化算法进化速度依赖种群个体差异的特点,提出权重因子随种群聚集度变化而变化的策略,并增加混沌变异操作,以提高算法跳出局部最优的能力。构建了仿真优化程序,通过Visual C++6.0调用通用有限元软件ANSYS来计算飞轮的应力分布。通过优化计算得到了满足强度要求的质量能量密度最大的飞轮形状,与同质量的圆盘飞轮相比,转动惯量提高了28.39 %。

Key words: technology of instrument and meter, flywheel, shape optimization, finite element method, differential evolution algorithm, chaos

CLC Number: 

  • TH133.7
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