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橡皮液压成形工艺的可靠性稳健优化设计方法

, PP. 1064-1069

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Abstract:

针对当前橡皮液压成形工艺过程中材料特性、工艺参数和其他随机因素都存在的固有波动问题,面向飞机精准制造,提出了一种考虑不确定性的可靠性稳健优化设计方法.该方法基于稳健优化设计和合理的可靠性约束,对比了可靠性稳健优化解和传统优化解相关度量指标,并对2B06-O态铝合金板材橡皮成形典型的曲弯边零件进行了工艺试验验证.结果表明该方法可有效降低质量评价指标对不确定性因素的敏感度,提高了橡皮成形工艺的稳健性和可靠性.

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