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Application of a new integrated optimization approach in sheet hydroforming process

机译：一种新的集成优化方法在液体成型过程中的应用

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The purpose of this study is to produce a desired hydroformed product under the optimal pressure profile. To achieve this purpose, a new adaptive optimization approach is proposed based on fuzzy logic control (FLC) integrated with simulated annealing (SA) optimization technique and ANSYS parametric design language (APDL). An intermediate MATLAB code was developed and used to manage data transfer automatically between FLC, SA and APDL, in which there would be no need for any interaction of user/ designer during the optimization process execution. This method aims to find the optimal pressure loading profile, prevent wrinkling and necking failures, reduce unsuccessful iterations, and enhance convergence precision. This method is capable of adaptively changing the process parameters in order to reach the optimized values with higher accuracy in a more reasonable time. The results show a good agreement between the proposed optimization approach and experiments. The developed optimization approach is a practical and reliable design tool for industrial production of any symmetric shell cups using hydroforming process.
机译：本研究的目的是在最佳压力曲线下生产所需的液压成形产品。为实现此目的，基于模糊逻辑控制（FLC）与模拟退火（SA）优化技术和ANSYS参数设计语言（APDL）集成的模糊逻辑控制（FLC）提出了一种新的自适应优化方法。开发了一个中间MATLAB代码并用于在FLC，SA和APDL之间自动管理数据传输，其中在优化过程执行期间不需要使用用户/设计者的任何交互。该方法旨在找到最佳压力负载型材，防止皱纹和颈缩失败，减少不成功的迭代，提高收敛精度。该方法能够自适应地改变过程参数，以便在更合理的时间内以更高的精度达到优化值。结果表明，所提出的优化方法与实验之间的良好一致。开发的优化方法是一种使用液压成形工艺的任何对称壳杯的工业生产的实用可靠的设计工具。

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