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The telescopic arm, a pivotal component in the pipeline grabbing vehicle, links the lifting platform and the mechanical claw, shouldering the majority of the load. Conducting a reliability analysis is imperative. Traditional methods for reliability face challenges like high computational costs and low accuracy dealing with multidimensional uncertainties. To overcome these, our study proposed an engineering mechanical reliability analysis method, leveraging Adams dynamic simulation, semi-supervised learning, deep neural networks, and Monte Carlo method. In this study, a virtual prototype model of the pipeline grabbing vehicle was established, identifying hazardous operating conditions. Combining the telescopic arm model’s geometric parameters and overall structure, uncertain factors influencing the maximum von Mises stress were determined, conducting a sensitivity analysis was conducted. Utilizing optimal Latin hypercube sampling based on uncertain parameter distributions, Ansys Workbench was employed to build a finite element model, obtain output results for the sample size. Semi-supervised learning processed the finite element simulation data, enhanced deep neural network training accuracy.Finally, based on the fourth strength theory, a failure criteria for the telescopic arm component was determined. Combining deep neural networks and Monte Carlo method, the reliability and failure probability were predicted. Results show that this method surpasses actual engineering precision requirements,provides a certain guiding significance.
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伸缩臂作为管路抓举车的关键部件,连接着升降台和机械爪并承担着大部分载荷,对其进行可靠性分析十分必要。由于传统的可靠性方法对于多维度不确定性问题存在计算成本高且精度不高等问题,为了解决这些问题,基于Adams动力学仿真、半监督学习、深度神经网络并结合蒙特卡洛(Monte Carlo, MC)方法提出了一种应用于工程机械可靠性分析的方法。建立了管路抓举车的虚拟样机模型,确定了其危险工况,并结合伸缩臂模型的几何参数和其总体结构确定了影响最大的von Mises应力的不确定因素,并对其进行敏感性分析;使用最优拉丁超立方采样(Optimal Latin Hypercube Sampling, OLHS),依据不确定参数的分布情况进行采样,利用有限元分析软件Ansys WorkBench建立有限元模型,得到样本量对应的输出结果,并引入半监督学习对有限元模拟数据进行处理,提高深度神经网络训练的准确度;最后根据第四强度理论确定了伸缩臂部件的破坏准则,并结合深度神经网络和MC方法预测了伸缩臂部件的可靠度和失效概率。研究结果表明,此方法远高于实际工程要求精度,具有一定的工程指导意义。
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袁国秩,男,1999年生,河北泊头人,硕士研究生;主要研究方向为动力学仿真与可靠性分析;E-mail:1448436848@qq.com。
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袁国秩,男,1999年生,河北泊头人,硕士研究生;主要研究方向为动力学仿真与可靠性分析;E-mail:1448436848@qq.com。
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1.河北工业大学 机械工程学院,天津 300400)]), AuthorCompany(id=1241451343412523348, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, xref=2., ext=[AuthorCompanyExt(id=1241451343420911958, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, companyId=1241451343412523348, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.Langfang Jinglong Heavy Equipment Co., Ltd., Langfang 065300, China), AuthorCompanyExt(id=1241451343425106263, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, companyId=1241451343412523348, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.廊坊景隆重工机械有限公司,廊坊 065300)])], figs=[ArticleFig(id=1241451348529574442, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=EN, label=Fig.1, caption=
Structure of the superstructure of the pipeline-catching vehicle, figureFileSmall=ll1TYOcQFPsBW7gA1Zq+fw==, figureFileBig=WIo2OPNrFObh9HdGxo8v1Q==, tableContent=null), ArticleFig(id=1241451348609266221, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=CN, label=图1, caption=
管路抓举车上装部分结构, figureFileSmall=ll1TYOcQFPsBW7gA1Zq+fw==, figureFileBig=WIo2OPNrFObh9HdGxo8v1Q==, tableContent=null), ArticleFig(id=1241451348747678261, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=EN, label=Fig.2, caption=
Virtual prototype model, figureFileSmall=Zzf67sN6qj7DUichbNCXJg==, figureFileBig=rvbMC2rmOf6b47FYI2TIVQ==, tableContent=null), ArticleFig(id=1241451348844147258, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=CN, label=图2, caption=
虚拟样机模型, figureFileSmall=Zzf67sN6qj7DUichbNCXJg==, figureFileBig=rvbMC2rmOf6b47FYI2TIVQ==, tableContent=null), ArticleFig(id=1241451348949004861, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=EN, label=Fig.3, caption=
Diagram of the joint at the maximum elevation position in Weightlifting, figureFileSmall=KPCGh42ydXSdGQmqsjK5AQ==, figureFileBig=agx3VAOquVKGa1GcRBOFpA==, tableContent=null), ArticleFig(id=1241451349066445382, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=CN, label=图3, caption=
抓举最高位置关节示意图, figureFileSmall=KPCGh42ydXSdGQmqsjK5AQ==, figureFileBig=agx3VAOquVKGa1GcRBOFpA==, tableContent=null), ArticleFig(id=1241451349183885899, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=EN, label=Fig.4, caption=
Curves of the force amplitude for the joint, figureFileSmall=Y4EpeMYe9I5QamjOl/FY9Q==, figureFileBig=jIZatdE6isDZD9Z90DZlwg==, tableContent=null), ArticleFig(id=1241451349284549203, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=CN, label=图4, caption=
关节受力幅值曲线, figureFileSmall=Y4EpeMYe9I5QamjOl/FY9Q==, figureFileBig=jIZatdE6isDZD9Z90DZlwg==, tableContent=null), ArticleFig(id=1241451349376823894, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=EN, label=Fig.5, caption=
Parts of the telescopic arm, figureFileSmall=2gGLaGK0nUFjz9MrxVT1+g==, figureFileBig=WrrjdpvGprm0ewqjTyTEBQ==, tableContent=null), ArticleFig(id=1241451349523624540, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=CN, label=图5, caption=
伸缩臂部件, figureFileSmall=2gGLaGK0nUFjz9MrxVT1+g==, figureFileBig=WrrjdpvGprm0ewqjTyTEBQ==, tableContent=null), ArticleFig(id=1241451349628482146, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=EN, label=Fig.6, caption=
Diagram of the grid model, figureFileSmall=zWcfELaRUSn2RGNY51FpfQ==, figureFileBig=+IKpPGy4i2UNgcsBHgvh0A==, tableContent=null), ArticleFig(id=1241451349737534056, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=CN, label=图6, caption=
网格模型图, figureFileSmall=zWcfELaRUSn2RGNY51FpfQ==, figureFileBig=+IKpPGy4i2UNgcsBHgvh0A==, tableContent=null), ArticleFig(id=1241451349913694828, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=EN, label=Fig.7, caption=
Nephogram of the maximum von Mises stress, figureFileSmall=po9icllH4Nwaox9kWLS9eg==, figureFileBig=BHI7sOpzU3sQ+TifiP9AhA==, tableContent=null), ArticleFig(id=1241451351373312623, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=CN, label=图7, caption=
最大von Mises应力图, figureFileSmall=po9icllH4Nwaox9kWLS9eg==, figureFileBig=BHI7sOpzU3sQ+TifiP9AhA==, tableContent=null), ArticleFig(id=1241451351503336053, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=EN, label=Fig.8, caption=
Nephogram of maximum displacement, figureFileSmall=eDego2r3dA6TIHFvemAUxg==, figureFileBig=ZYjM1cepSAfC4pvzqvT8SA==, tableContent=null), ArticleFig(id=1241451351624970875, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=CN, label=图8, caption=
最大位移图, figureFileSmall=eDego2r3dA6TIHFvemAUxg==, figureFileBig=ZYjM1cepSAfC4pvzqvT8SA==, tableContent=null), ArticleFig(id=1241451351734022781, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=EN, label=Fig.9, caption=
Sensitivity analysis of Uncertainty parameter, figureFileSmall=mvx23YWIIvWlqf3OQyXf2w==, figureFileBig=SxNm4jdInVT+7EJALY8QTw==, tableContent=null), ArticleFig(id=1241451351872434820, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=CN, label=图9, caption=
不确定性参数敏感性分析, figureFileSmall=mvx23YWIIvWlqf3OQyXf2w==, figureFileBig=SxNm4jdInVT+7EJALY8QTw==, tableContent=null), ArticleFig(id=1241451352002458247, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=EN, label=Fig.10, caption=
Flow chart of semi-supervised learning, figureFileSmall=xvwDix7lfXZfFaooqU6Usw==, figureFileBig=syr49XKhFkCwkHA2Xz/ksg==, tableContent=null), ArticleFig(id=1241451352098927242, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=CN, label=图10, caption=
半监督学习流程图, figureFileSmall=xvwDix7lfXZfFaooqU6Usw==, figureFileBig=syr49XKhFkCwkHA2Xz/ksg==, tableContent=null), ArticleFig(id=1241451352212173455, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=EN, label=Fig.11, caption=
Deep neural network model diagram, figureFileSmall=wQ0j7l/xD0aH18Okrlvw1A==, figureFileBig=Vqr/YryJIVeGXAlX/mA7EA==, tableContent=null), ArticleFig(id=1241451352308642450, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=CN, label=图11, caption=
深度神经网络模型图, figureFileSmall=wQ0j7l/xD0aH18Okrlvw1A==, figureFileBig=Vqr/YryJIVeGXAlX/mA7EA==, tableContent=null), ArticleFig(id=1241451352505774742, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=EN, label=Fig.12, caption=
Single-degree-of-freedom nonlinear oscillator, figureFileSmall=0W8aHwZTj86YhcJZ6z9KKA==, figureFileBig=nrkpMChsjezU76Z3GMlupA==, tableContent=null), ArticleFig(id=1241451352602243739, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=CN, label=图12, caption=
单自由度非线性振荡器, figureFileSmall=0W8aHwZTj86YhcJZ6z9KKA==, figureFileBig=nrkpMChsjezU76Z3GMlupA==, tableContent=null), ArticleFig(id=1241451352702907037, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=EN, label=Fig.13, caption=
Comparison of the two sampling methods, figureFileSmall=BTK8JGCkVcK770KJjSxIYA==, figureFileBig=37alYPxoPx63YZdN4EyRdw==, tableContent=null), ArticleFig(id=1241451352816153250, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=CN, label=图13, caption=
2种采样方法对比, figureFileSmall=BTK8JGCkVcK770KJjSxIYA==, figureFileBig=37alYPxoPx63YZdN4EyRdw==, tableContent=null), ArticleFig(id=1241451353030062757, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=EN, label=Fig.14, caption=
Effect of training sample size on MSE, figureFileSmall=5D7/Z9Gpqh4pgeflvHYAew==, figureFileBig=MWjsEg8A+6yPx82LdQG2Fw==, tableContent=null), ArticleFig(id=1241451353118143147, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=CN, label=图14, caption=
训练样本量对均方误差的影响, figureFileSmall=5D7/Z9Gpqh4pgeflvHYAew==, figureFileBig=MWjsEg8A+6yPx82LdQG2Fw==, tableContent=null), ArticleFig(id=1241451353227195055, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=EN, label=Fig.15, caption=
Loss curve, figureFileSmall=4e7s1cmLTsCQo94dUNyMsw==, figureFileBig=wLJRPS7C3kDL/xr7Aly7Fg==, tableContent=null), ArticleFig(id=1241451353361412785, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=CN, label=图15, caption=
损失曲线, figureFileSmall=4e7s1cmLTsCQo94dUNyMsw==, figureFileBig=wLJRPS7C3kDL/xr7Aly7Fg==, tableContent=null), ArticleFig(id=1241451353487241908, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=EN, label=Fig.16, caption=
Prediction effect diagram of maximum von Mises stress, figureFileSmall=8+zimBkwZa4z1H43syGYtw==, figureFileBig=9yAtFzRonRZQNKo4PeTCGA==, tableContent=null), ArticleFig(id=1241451353629848250, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=CN, label=图16, caption=
最大von Mises应力预测效果图, figureFileSmall=8+zimBkwZa4z1H43syGYtw==, figureFileBig=9yAtFzRonRZQNKo4PeTCGA==, tableContent=null), ArticleFig(id=1241451353730511545, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=EN, label=Tab.1, caption=
Fiducial value and variable range of uncertain parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
参数 Parameter | 基准值 Fiducial value | 变化范围 Variable range |
|---|
| D/(°) | 120 | ±5% |
| M/kg | 750 | ±5% |
| t1/mm | 70 | ±3σ |
| t2/mm | 15 | ±3σ |
| t3/mm | 20 | ±3σ |
| t4/mm | 12 | ±3σ |
| t5/mm | 30 | ±3σ |
| t6 /mm | 12 | ±3σ |
), ArticleFig(id=1241451353843757756, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=CN, label=表1, caption=
不确定性参数基准值及变化范围
, figureFileSmall=null, figureFileBig=null, tableContent=
参数 Parameter | 基准值 Fiducial value | 变化范围 Variable range |
|---|
| D/(°) | 120 | ±5% |
| M/kg | 750 | ±5% |
| t1/mm | 70 | ±3σ |
| t2/mm | 15 | ±3σ |
| t3/mm | 20 | ±3σ |
| t4/mm | 12 | ±3σ |
| t5/mm | 30 | ±3σ |
| t6 /mm | 12 | ±3σ |
), ArticleFig(id=1241451353940226752, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=EN, label=Tab.2, caption=
Magnitude of the three-way force
, figureFileSmall=null, figureFileBig=null, tableContent=
载荷 Load | x方向力 x-directional force Fx/N | y方向力 y-directional force Fy/N | z方向力 z-directional force Fz/N |
|---|
| F1 | 459.88 | -1.436 5×105 | 27 642 |
| F2 | 518.50 | -1.568 1×105 | 12 421.6 |
| F3 | 227.4 | -1.107 7×105 | -35 371 |
), ArticleFig(id=1241451354024112835, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=CN, label=表2, caption=
三向分力大小
, figureFileSmall=null, figureFileBig=null, tableContent=
载荷 Load | x方向力 x-directional force Fx/N | y方向力 y-directional force Fy/N | z方向力 z-directional force Fz/N |
|---|
| F1 | 459.88 | -1.436 5×105 | 27 642 |
| F2 | 518.50 | -1.568 1×105 | 12 421.6 |
| F3 | 227.4 | -1.107 7×105 | -35 371 |
), ArticleFig(id=1241451354120581829, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=EN, label=Tab.3, caption=
Distribution law of each input parameter
, figureFileSmall=null, figureFileBig=null, tableContent=
参数 Parameter | 分布类型 Distribution type | 均值/上限 Mean/Upper limit | 标准差/下限 Standard eviation/Lower bound |
|---|
| D/(°) | 区间分布 Interval istribution | 126.6 | 64 |
| M/kg | 区间分布 Interval istribution | 1 500 | 0 |
| t1/mm | 正态分布 Normal istribution | 70 | 1.4 |
| t2/mm | 正态分布 Normal istribution | 15 | 0.3 |
| t3/mm | 正态分布 Normal istribution | 20 | 0.4 |
| t4/mm | 正态分布 Normal istribution | 12 | 0.24 |
| t5/mm | 正态分布 Normal istribution | 30 | 0.6 |
| t6/mm | 正态分布 Normal istribution | 12 | 0.24 |
), ArticleFig(id=1241451354250605259, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=CN, label=表3, caption=
各输入参数分布规律
, figureFileSmall=null, figureFileBig=null, tableContent=
参数 Parameter | 分布类型 Distribution type | 均值/上限 Mean/Upper limit | 标准差/下限 Standard eviation/Lower bound |
|---|
| D/(°) | 区间分布 Interval istribution | 126.6 | 64 |
| M/kg | 区间分布 Interval istribution | 1 500 | 0 |
| t1/mm | 正态分布 Normal istribution | 70 | 1.4 |
| t2/mm | 正态分布 Normal istribution | 15 | 0.3 |
| t3/mm | 正态分布 Normal istribution | 20 | 0.4 |
| t4/mm | 正态分布 Normal istribution | 12 | 0.24 |
| t5/mm | 正态分布 Normal istribution | 30 | 0.6 |
| t6/mm | 正态分布 Normal istribution | 12 | 0.24 |
), ArticleFig(id=1241451354351268554, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=EN, label=Tab.4, caption=
Distribution of uncertain parameters ofnumerical studies
, figureFileSmall=null, figureFileBig=null, tableContent=
参数 Parameters | 分布类型 Distribution type | 均值 Mean | 方差 Variance |
|---|
| m | 正态分布Normal distribution | 1.0 | 0.05 |
| c1 | 正态分布Normal distribution | 1.0 | 0.10 |
| c2 | 正态分布Normal distribution | 0.1 | 0.01 |
| r | 正态分布Normal distribution | 0.5 | 0.05 |
| F1 | 正态分布Normal distribution | 1.0 | 0.20 |
| t0 | 正态分布Normal distribution | 1.0 | 0.20 |
), ArticleFig(id=1241451355869606607, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=CN, label=表4, caption=
数值算例不确定参数分布情况
, figureFileSmall=null, figureFileBig=null, tableContent=
参数 Parameters | 分布类型 Distribution type | 均值 Mean | 方差 Variance |
|---|
| m | 正态分布Normal distribution | 1.0 | 0.05 |
| c1 | 正态分布Normal distribution | 1.0 | 0.10 |
| c2 | 正态分布Normal distribution | 0.1 | 0.01 |
| r | 正态分布Normal distribution | 0.5 | 0.05 |
| F1 | 正态分布Normal distribution | 1.0 | 0.20 |
| t0 | 正态分布Normal distribution | 1.0 | 0.20 |
), ArticleFig(id=1241451356049961682, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=EN, label=Tab.5, caption=
Comparison of three methods
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方法 Method | 样本点数 Number of sample points N | 均方误差 MSE |
|---|
| SVR | 400 | 4.114×10-4 |
| BP-ANN | 400 | 2.164×10-4 |
| DNN | 400 | 2.018×10-5 |
), ArticleFig(id=1241451356138042070, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=CN, label=表5, caption=
3种方法对比情况
, figureFileSmall=null, figureFileBig=null, tableContent=
方法 Method | 样本点数 Number of sample points N | 均方误差 MSE |
|---|
| SVR | 400 | 4.114×10-4 |
| BP-ANN | 400 | 2.164×10-4 |
| DNN | 400 | 2.018×10-5 |
), ArticleFig(id=1241451356226122457, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=EN, label=Tab.6, caption=
Parameters of DNN model
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数Parameter | 值Value |
|---|
| 输入层神经元数目Number of neurons in the input layer | 8 |
| 输出层神经元数目Number of neurons in the output layer | 1 |
| 隐藏层数Number of the hidden layers | 3 |
| 隐藏层神经元数目Number of neurons in the hidden layer | 6、32、16 |
| 激活函数Activate function | ReLU |
| 学习率Learning rate | 0.000 5 |
| 优化器Optimizer | Adam |
| 误差评价函数Error evaluation function | MSE、R2 |
| 最高训练次数Maximum number of training | 1 000 |
| 最小误差值Minimum error value | 0.000 1 |
), ArticleFig(id=1241451356305814235, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=CN, label=表6, caption=
DNN模型参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数Parameter | 值Value |
|---|
| 输入层神经元数目Number of neurons in the input layer | 8 |
| 输出层神经元数目Number of neurons in the output layer | 1 |
| 隐藏层数Number of the hidden layers | 3 |
| 隐藏层神经元数目Number of neurons in the hidden layer | 6、32、16 |
| 激活函数Activate function | ReLU |
| 学习率Learning rate | 0.000 5 |
| 优化器Optimizer | Adam |
| 误差评价函数Error evaluation function | MSE、R2 |
| 最高训练次数Maximum number of training | 1 000 |
| 最小误差值Minimum error value | 0.000 1 |
), ArticleFig(id=1241451356393894621, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=EN, label=Tab.7, caption=
Comparison of results of three algorithms and the MCS method
, figureFileSmall=null, figureFileBig=null, tableContent=
方法 Method | 均方误差 MSE | 失效概率 Probability of failure | 相对误差 Relative error /% |
|---|
| SVR | 0.008 8 | 3.385×10-2 | 17.28 |
| BP-ANN | 0.009 8 | 3.461×10-2 | 19.10 |
| DNN | 0.001 7 | 2.913×10-2 | 4.04 |
| MCS | — | 2.8×10-2 | — |
), ArticleFig(id=1241451356494557919, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241408877221171655, language=CN, label=表7, caption=
3种算法与MCS方法结果对比
, figureFileSmall=null, figureFileBig=null, tableContent=
方法 Method | 均方误差 MSE | 失效概率 Probability of failure | 相对误差 Relative error /% |
|---|
| SVR | 0.008 8 | 3.385×10-2 | 17.28 |
| BP-ANN | 0.009 8 | 3.461×10-2 | 19.10 |
| DNN | 0.001 7 | 2.913×10-2 | 4.04 |
| MCS | — | 2.8×10-2 | — |
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