基于Kriging与FPA的薄壁件夹具布局设计
发布时间:2021-06-14 03:05
针对薄壁件夹具定位布局设计有限元仿真计算成本过大的情况,提出一种基于Kriging代理模型与花授粉算法(Flower Pollination Algorithm,FPA)的薄壁件夹具定位布局优化设计方法。以给定数目下定位元件布局为设计变量,自重作用下薄壁件应变能为优化目标;应用最优拉丁超立方采样和有限元分析生成训练样本,基于训练样本通过Kriging插值构建夹具定位布局优化代理模型;并应用FPA搜索薄壁件定位布局最优解。最后,以曲面薄壁件"4–2–1"夹具布局优化设计作为实例,验证了所提方法的有效性。
【文章来源】:航空制造技术. 2020,63(18)
【文章页数】:7 页
【部分图文】:
蒙皮“4–2–1”定位有限元模型Fig.2Finiteelementmodelofskinlocatingunder“4–2–1”ZYXL6ZYX
(133,137)36.572722(163,3)36.610847(178,226)29.848423(44,494)19.172948(186,227)28.965424(104,240)2.825549(90,494)21.491425(44,322)12.665950(56,411)15.2291yx40353025201510505004003002001000050100150200应变能力/mJ图3Kriging预测模型的预测输出数据Fig.3PredictedoutputdataoftheKrigingpredictionmodel图4Kriging预测模型的响应曲面Fig.4ResponsesurfaceofKrigingpredictionmodel10987654321403530252015105OutputvalueTestingsamplesetbyLHSKrigingpredictionoutputExpectedoutput
,31)36.048845(182,175)33.928421(149,76)36.299346(133,137)36.572722(163,3)36.610847(178,226)29.848423(44,494)19.172948(186,227)28.965424(104,240)2.825549(90,494)21.491425(44,322)12.665950(56,411)15.2291yx40353025201510505004003002001000050100150200应变能力/mJ图3Kriging预测模型的预测输出数据Fig.3PredictedoutputdataoftheKrigingpredictionmodel图4Kriging预测模型的响应曲面Fig.4ResponsesurfaceofKrigingpredictionmodel10987654321403530252015105OutputvalueTestingsamplesetbyLHSKrigingpredictionoutputExpectedoutput
【参考文献】:
期刊论文
[1]基于花授粉算法的曲面薄壁件定位布局优化[J]. 王仲奇,李诚,杨勃,杨元. 中国机械工程. 2017(18)
[2]基于SVR的航空薄壁件夹具布局优化预测模型[J]. 杨元,王仲奇,杨勃,李诚,康永刚. 计算机集成制造系统. 2017(06)
[3]柔性薄板装配不等间距定形焊点布置优化[J]. 曲兴田,马强,李笑男,王昕,郑海生,吴晟宇. 计算机集成制造系统. 2016(08)
[4]FLEXIBLE ASSEMBLY FIXTURING LAYOUT MODELING AND OPTIMIZATION BASED ON GENETIC ALGORITHM[J]. Lai XinminInstitute of Automobile Engineering,Shanghai Jiaotong University,Shanghai 200030, ChinaLuo LaijunUnited Automobile ElectronicSystems Co. Ltd,Shanghai 201206, ChinaLin ZhongqinInstitute of Automobile Engineering,Shanghai Jiaotong University,Shanghai 200030, China. Chinese Journal of Mechanical Engineering. 2004(01)
本文编号:3228931
【文章来源】:航空制造技术. 2020,63(18)
【文章页数】:7 页
【部分图文】:
蒙皮“4–2–1”定位有限元模型Fig.2Finiteelementmodelofskinlocatingunder“4–2–1”ZYXL6ZYX
(133,137)36.572722(163,3)36.610847(178,226)29.848423(44,494)19.172948(186,227)28.965424(104,240)2.825549(90,494)21.491425(44,322)12.665950(56,411)15.2291yx40353025201510505004003002001000050100150200应变能力/mJ图3Kriging预测模型的预测输出数据Fig.3PredictedoutputdataoftheKrigingpredictionmodel图4Kriging预测模型的响应曲面Fig.4ResponsesurfaceofKrigingpredictionmodel10987654321403530252015105OutputvalueTestingsamplesetbyLHSKrigingpredictionoutputExpectedoutput
,31)36.048845(182,175)33.928421(149,76)36.299346(133,137)36.572722(163,3)36.610847(178,226)29.848423(44,494)19.172948(186,227)28.965424(104,240)2.825549(90,494)21.491425(44,322)12.665950(56,411)15.2291yx40353025201510505004003002001000050100150200应变能力/mJ图3Kriging预测模型的预测输出数据Fig.3PredictedoutputdataoftheKrigingpredictionmodel图4Kriging预测模型的响应曲面Fig.4ResponsesurfaceofKrigingpredictionmodel10987654321403530252015105OutputvalueTestingsamplesetbyLHSKrigingpredictionoutputExpectedoutput
【参考文献】:
期刊论文
[1]基于花授粉算法的曲面薄壁件定位布局优化[J]. 王仲奇,李诚,杨勃,杨元. 中国机械工程. 2017(18)
[2]基于SVR的航空薄壁件夹具布局优化预测模型[J]. 杨元,王仲奇,杨勃,李诚,康永刚. 计算机集成制造系统. 2017(06)
[3]柔性薄板装配不等间距定形焊点布置优化[J]. 曲兴田,马强,李笑男,王昕,郑海生,吴晟宇. 计算机集成制造系统. 2016(08)
[4]FLEXIBLE ASSEMBLY FIXTURING LAYOUT MODELING AND OPTIMIZATION BASED ON GENETIC ALGORITHM[J]. Lai XinminInstitute of Automobile Engineering,Shanghai Jiaotong University,Shanghai 200030, ChinaLuo LaijunUnited Automobile ElectronicSystems Co. Ltd,Shanghai 201206, ChinaLin ZhongqinInstitute of Automobile Engineering,Shanghai Jiaotong University,Shanghai 200030, China. Chinese Journal of Mechanical Engineering. 2004(01)
本文编号:3228931
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