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首页> 外文期刊>電子情報通信学会技術研究報告. 機構デバイス. Electromechanical Devices >A Method for Vibration Resistance Optimization of Irregular-shape Beam Structure Basing on FEM and SQP
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A Method for Vibration Resistance Optimization of Irregular-shape Beam Structure Basing on FEM and SQP

机译:基于有限元和SQP的异形梁结构抗振优化方法

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Contact system with irregular-shape beam structure is applied in hermetically sealed electromagnetic relay widely. The optimization method basing on finite element method (FEM) and sequential quadratic programming (SQP) was developed in this paper, to obtain the optimal anti-vibration performance of contact system. The dynamic characteristics were solved by using finite element commercial software MSC.Patran/Nastran, thus the key dimension parameters were determined by contrasting their influence on vibration resistance. Finally, the solution of optimal anti-vibration characteristics for contact system was obtained with the SQP method. The whole optimization algorithm was programmed in Matlab, meanwhile the target function was calculated by the secondary development of MSC.Patran/Nastran. Example optimization results show great value in the vibration resistance design of contact system.
机译:异形梁结构的接触系统被广泛应用于密封电磁继电器中。提出了一种基于有限元法和顺序二次规划法的优化方法,以获得接触系统的最佳抗振性能。通过使用有限元商用软件MSC.Patran / Nastran解决动力学特性,从而通过对比关键参数对抗振性的影响来确定关键尺寸参数。最后,采用SQP方法获得了接触系统最佳抗振特性的解决方案。整个优化算法在Matlab中进行编程,同时通过MSC.Patran / Nastran的二次开发计算目标函数。实例优化结果表明在接触系统的抗振设计中具有重要的价值。

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