基于遗传算法和神经网络的阶跃应力加速退化试验优化设计

IF 1.3 4区 工程技术 Q4 ENGINEERING, INDUSTRIAL
Gen Liu, Zhihua Wang, Rui Bao, Zelong Mao, Kunpeng Ren
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引用次数: 0

摘要

摘要本研究重点研究了阶梯应力加速退化试验的优化设计。综合考虑加速应力和测量误差的影响,提出了一种改进的加速退化模型。在此基础上,构建了一种基于神经网络和遗传算法同时优化多个决策变量的优化设计方法。进一步建立了一种有效的灵敏度分析方法,定量说明了预定模型参数对优化结果的影响。最后,通过案例分析,对所提方法的有效性和合理性进行了对比分析。关键词:遗传算法;多决策变量;代理模型;优化设计;本研究由国家自然科学基金资助(批准号:11872085)。作者简介刘根,北京航空航天大学航空科学与工程学院博士研究生。主要研究方向为加速退化试验的优化设计和小样本寿命试验的可靠性评价。王志华,毕业于大连理工大学机械工程学士学位,北京航空航天大学机械工程博士学位。现任北京航空航天大学航空科学与工程学院副教授。主要研究方向为退化建模、寿命试验优化设计、基于多源信息融合的小样本可靠性评估。包睿,现任固体力学专业结构完整性和耐久性正教授。她的教学职责包括材料力学,疲劳可靠性和结构疲劳寿命评估方法的本科和研究生课程,并指导硕士和博士研究生。毛泽龙,2021年毕业于中国北京航空航天大学,获硕士学位。他目前是中国天津导航仪器研究所的工程师。主要研究方向为船舶电气元件质量控制与可靠性设计。任坤鹏,2013年毕业于中国北京航空航天大学,获硕士学位。他目前是中国天津导航仪器研究所的高级工程师。主要研究方向为电气元件失效分析、电气元件质量控制和船舶设备加速寿命试验设计。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Optimal design of step-stress accelerated degradation tests based on genetic algorithm and neural network
AbstractIn this study, the optimal design of step-stress accelerated degradation tests is focused. An optimization model is proposed where an improved accelerated degradation model is involved to comprehensively consider the influence of accelerated stress and the measurement error. Then, a novel optimal design method is constructed, where multiple decision variables can be simultaneously optimized based on neural network and genetic algorithm. An effective sensitivity analysis method is further established to quantitively illustrate the influence of the predetermined model parameters on the optimal results. Finally, a case study is implemented, and a series of comparisons are implemented to demonstrate the effectiveness and rationality of the proposed method.Keywords: genetic algorithmmultiple decision variablesproxy modeloptimal designstep-stress accelerated degradation test AcknowledgmentThe authors are grateful to the editor and the anonymous reviewers for their critical and constructive review of the manuscript.Additional informationFundingThis study was supported by the National Natural Science Foundation of China (Grant No. 11872085).Notes on contributorsGen LiuGen Liu is currently a PhD candidate at School of Aeronautics Sciences and Engineering, Beihang University (Beijing, China). His research interests are optimal design of accelerated degradation tests and reliability evaluation of small sample life test.Zhihua WangZhihua Wang received the B.S. degree in mechanical engineering from the Dalian University of Technology, Dalian, China, and the Ph.D. degree in mechanical engineering from Beihang University, Beijing, China. She is currently an Associate Professor with the School of Aeronautics Sciences and Engineering, Beihang University. Her research interests include degradation modeling, life test optimal design, and small sample reliability assessment via multi-source information fusion.Rui BaoRui Bao is currently a Full Professor in structural integrity and durability in Solid Mechanics. Her teaching duties include under-graduate and graduate courses in material mechanics, fatigue reliability and structural fatigue life evaluation methods, and providing supervision to MSc and Ph.D students.Zelong MaoZelong Mao received the master degree from the Beijing University of Aeronautics and Astronautics, Beijing, China, in 2021. He is currently an Engineer with the Tianjin Navigation Instrument Research Institute, Tianjin, China. His research interests include electric component quality control and reliability design of ship equipment.Kunpeng RenKunpeng Ren received the master degree from the Beijing University of Aeronautics and Astronautics, Beijing, China, in 2013. He is currently a Senior Engineer with the Tianjin Navigation Instrument Research Institute, Tianjin, China. His research interests include electric component failure analysis, electric component quality control and accelerated life test design of ship equipment.
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来源期刊
Quality Engineering
Quality Engineering ENGINEERING, INDUSTRIAL-STATISTICS & PROBABILITY
CiteScore
3.90
自引率
10.00%
发文量
52
审稿时长
>12 weeks
期刊介绍: Quality Engineering aims to promote a rich exchange among the quality engineering community by publishing papers that describe new engineering methods ready for immediate industrial application or examples of techniques uniquely employed. You are invited to submit manuscripts and application experiences that explore: Experimental engineering design and analysis Measurement system analysis in engineering Engineering process modelling Product and process optimization in engineering Quality control and process monitoring in engineering Engineering regression Reliability in engineering Response surface methodology in engineering Robust engineering parameter design Six Sigma method enhancement in engineering Statistical engineering Engineering test and evaluation techniques.
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