Article(id=1276896878662914324, tenantId=1146029695717560320, journalId=1276577754012160025, issueId=1276896661737701828, articleNumber=null, orderNo=null, doi=10.3724/j.gyjzG26031401, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1773417600000, receivedDateStr=2026-03-14, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1782365539470, onlineDateStr=2026-06-25, pubDate=1779206400000, pubDateStr=2026-05-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1782365539470, onlineIssueDateStr=2026-06-25, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1782365539470, creator=13701087609, updateTime=1782365539470, updator=13701087609, issue=Issue{id=1276896661737701828, tenantId=1146029695717560320, journalId=1276577754012160025, year='2026', volume='56', issue='5', pageStart='1', pageEnd='264', issueExtLink='null', onlineDate='null', pubDate='1779206400000', pubDateStr='2026-05-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1782365487751, creator='13701087609', updateTime=1782367237543, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1276904000968589318, tenantId=1146029695717560320, journalId=1276577754012160025, issueId=1276896661737701828, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1276904000968589319, tenantId=1146029695717560320, journalId=1276577754012160025, issueId=1276896661737701828, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=187, endPage=200, ext={EN=ArticleExt(id=1276896878872629526, articleId=1276896878662914324, tenantId=1146029695717560320, journalId=1276577754012160025, language=EN, title=A Bridge Maintenance Decision-Making Method Considering Non-Homogeneous Deterioration and Cost Discounting, columnId=null, journalTitle=Industrial Construction, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To meet the demand for optimizing long-term maintenance decisions in intelligent bridge operation and maintenance, considering the characteristics of time-varying bridge deterioration under a finite horizon, financial discounting of maintenance costs, and difficulty in long-term reward propagation, a life-cycle maintenance decision model incorporating non-homogeneous deterioration and discounting effects was developed. The bridge deterioration process was characterized by non-homogeneous Markov state transitions. Based on discrete health states and maintenance actions, maintenance costs and risk costs were integrated into a unified cost function, while cash-flow discounting was introduced into the decision-making process. To address the limitations of conventional reinforcement learning methods in handling finite-horizon stage-wise decision tasks, non-homogeneous state transitions, and unstable training, a reinforcement learning framework combining state augmentation and backward curriculum learning was proposed. Expanded state representation enhanced the policy’s capability to capture finite-horizon characteristics, while backward curriculum learning gradually extended the training interval to improve learning stability and convergence efficiency. Numerical results demonstrated that the proposed method effectively adapted to finite-horizon maintenance decision problems under non-homogeneous bridge deterioration and achieved favorable performance in both policy quality and training stability, thereby providing methodological support for maintenance planning in life-cycle bridge operation and maintenance management.
, authors=null, authorsList=Guangtao LI, Luqi LIU, Peng SHI, Chengming LAN, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1276896882404233520, articleId=1276896878662914324, tenantId=1146029695717560320, journalId=1276577754012160025, language=CN, title=考虑非齐次退化与资金折现的桥梁维修决策方法, columnId=1276896715768726319, journalTitle=工业建筑, columnName=工程运维技术, runingTitle=null, highlight=null, articleAbstract=
面向桥梁智慧运维中的长期维修决策优化需求,针对有限时域条件下桥梁状态退化具有时变性、维修成本存在资金折现且长期回报传递困难等特点,构建了一种考虑非齐次退化与折现效应的全寿命周期维修决策模型。桥梁退化过程采用非齐次马尔科夫状态转移进行表征,以离散健康状态和维修动作为基础,将维护成本与风险成本统一纳入成本函数,并在决策过程中引入现金流折现。为克服常规强化学习方法难以有效处理有限时域阶段性决策需求、非齐次状态转移以及训练不稳定等问题,提出一种结合状态增广与反向课程学习的强化学习求解框架。其中,通过扩展状态表征增强策略对有限时域特征的识别能力;通过设置反向课程逐步扩展训练区间,提高策略学习的稳定性与收敛效率。算例结果表明,所提出方法能够有效适应桥梁非齐次退化下的有限时域维修决策问题,在策略性能及训练稳定性方面均表现出较好效果,可为桥梁全寿命周期运维管理中的维修方案制定提供方法支撑。
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1Research Institute of Urbanization and Urban Safety, School of Future Cities, University of Science and Technology Beijing, Beijing100083, China), AuthorCompanyExt(id=1276896882781720884, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, companyId=1276896882769137970, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1北京科技大学未来城市学院城镇化与城市安全研究院,北京100083)]), AuthorCompany(id=1276896882882384181, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, xref=2, ext=[AuthorCompanyExt(id=1276896882890772790, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, companyId=1276896882882384181, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2National Center for Materials Service Safety, University of Science and Technology Beijing, Beijing102206, China), AuthorCompanyExt(id=1276896882899161399, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, companyId=1276896882882384181, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2北京科技大学国家材料服役安全科学中心, 北京102206)])], figs=[ArticleFig(id=1276896895368827225, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=EN, label=Fig.1, caption=
Schematic diagram of bridge transverse andlongitudinal sections, figureFileSmall=RZAxcgvzRiL/+miJoFM6vg==, figureFileBig=B2DNrnzBaf6IwHMLjd6suQ==, tableContent=null), ArticleFig(id=1276896895503044954, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=CN, label=图1, caption=
桥梁横断面与纵断面示意, figureFileSmall=RZAxcgvzRiL/+miJoFM6vg==, figureFileBig=B2DNrnzBaf6IwHMLjd6suQ==, tableContent=null), ArticleFig(id=1276896895943446875, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=EN, label=Fig.2, caption=
Schematic diagram of reinforcement learning, figureFileSmall=1F4NVNt35IPTgTxxJkDA+w==, figureFileBig=peomSjsAXJlH29Qak6f8bw==, tableContent=null), ArticleFig(id=1276896896186716508, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=CN, label=图2, caption=
强化学习示意, figureFileSmall=1F4NVNt35IPTgTxxJkDA+w==, figureFileBig=peomSjsAXJlH29Qak6f8bw==, tableContent=null), ArticleFig(id=1276896896266408285, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=EN, label=Fig.3, caption=
PPO algorithm based on state augmentation and backward curriculum learning, figureFileSmall=+33IzkZMWwWwIhQFCPg87g==, figureFileBig=17kOjlo62ngo9jpbuyaJ1A==, tableContent=null), ArticleFig(id=1276896896337711454, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=CN, label=图3, caption=
基于状态增广与反向课程学习的PPO算法, figureFileSmall=+33IzkZMWwWwIhQFCPg87g==, figureFileBig=17kOjlo62ngo9jpbuyaJ1A==, tableContent=null), ArticleFig(id=1276896896429986143, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=EN, label=Fig.4, caption=
Cumulative reward convergence curves of SA-BCLPPO and baseline algorithms, figureFileSmall=ajPJRlW4idHlnkL0JbAbsA==, figureFileBig=3Ica1zoOJbBJs+XKtqBe1g==, tableContent=null), ArticleFig(id=1276896896614535520, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=CN, label=图4, caption=
SA-BCLPPO与基准算法的累计奖励收敛曲线, figureFileSmall=ajPJRlW4idHlnkL0JbAbsA==, figureFileBig=3Ica1zoOJbBJs+XKtqBe1g==, tableContent=null), ArticleFig(id=1276896896681644385, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=EN, label=Fig.5, caption=
Comparison of cumulative rewards and costs under different maintenance decision-making methods over a 100-year design service life, figureFileSmall=HZAx8od58eqP0TzY2P326A==, figureFileBig=g2l07wzzAgwa1tVyTAiV4g==, tableContent=null), ArticleFig(id=1276896896748753250, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=CN, label=图5, caption=
100 a设计使用年限下不同维修决策方法的累计奖励与成本对比, figureFileSmall=HZAx8od58eqP0TzY2P326A==, figureFileBig=g2l07wzzAgwa1tVyTAiV4g==, tableContent=null), ArticleFig(id=1276896896807473507, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=EN, label=Fig.6, caption=
Comparison of maintenance policy heatmaps for the deck component under different algorithms, figureFileSmall=01TIqO8YJHYaOhF13D2ffQ==, figureFileBig=DXt+D4a+fTFR6E7QiQrvKw==, tableContent=null), ArticleFig(id=1276896896870388068, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=CN, label=图6, caption=
不同算法下桥面构件维修策略热图对比, figureFileSmall=01TIqO8YJHYaOhF13D2ffQ==, figureFileBig=DXt+D4a+fTFR6E7QiQrvKw==, tableContent=null), ArticleFig(id=1276896896937496933, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=EN, label=Fig.7, caption=
Comparison of state evolution and cumulative maintenance costs under different algorithms over a 100-year design service life, figureFileSmall=22MEJRShGqvACXlpNZX1yw==, figureFileBig=8tQLr/ACz7RuPtslI6qZBw==, tableContent=null), ArticleFig(id=1276896898665550182, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=CN, label=图7, caption=
100a设计使用年限下不同算法的状态演化与累计维修成本对比, figureFileSmall=22MEJRShGqvACXlpNZX1yw==, figureFileBig=8tQLr/ACz7RuPtslI6qZBw==, tableContent=null), ArticleFig(id=1276896898753630567, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=EN, label=Fig.8, caption=
Maintenance policy heatmaps of the deck component under different deterioration factors α(), figureFileSmall=QYhDQkiFLafN3JO4HZ6Nkg==, figureFileBig=M2MTzkeTvz6OBcaT8sJFVg==, tableContent=null), ArticleFig(id=1276896898824933736, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=CN, label=图8, caption=
不同退化因子α下桥面构件维修策略热图(), figureFileSmall=QYhDQkiFLafN3JO4HZ6Nkg==, figureFileBig=M2MTzkeTvz6OBcaT8sJFVg==, tableContent=null), ArticleFig(id=1276896898896236905, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=EN, label=Fig.9, caption=
Maintenance policy heatmaps of the deck component under different deterioration factor β (,), figureFileSmall=/kiUe5E0XAJeSzWfIAODww==, figureFileBig=nH6IznCqmhvC5F7tPEA96Q==, tableContent=null), ArticleFig(id=1276896899122729322, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=CN, label=图9, caption=
不同退化因子β下桥面构件维修策略热图(,), figureFileSmall=/kiUe5E0XAJeSzWfIAODww==, figureFileBig=nH6IznCqmhvC5F7tPEA96Q==, tableContent=null), ArticleFig(id=1276896899189838187, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=EN, label=Fig.10, caption=
Maintenance policy heatmaps of the deck component under different discount rates (), figureFileSmall=x9zh+Z5+/iqahHqq9r7O8g==, figureFileBig=vLsVCXOgV+Ongwh8eQNQ+Q==, tableContent=null), ArticleFig(id=1276896899261141356, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=CN, label=图10, caption=
不同折现率下桥面构件维修策略热图(), figureFileSmall=x9zh+Z5+/iqahHqq9r7O8g==, figureFileBig=vLsVCXOgV+Ongwh8eQNQ+Q==, tableContent=null), ArticleFig(id=1276896899328250221, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=EN, label=Fig.11, caption=
Comparison of training performance of different algorithms in the ablation study, figureFileSmall=3MK3bVg1ELSG5SiLe087Yw==, figureFileBig=CpK5yzLeiKlNJpfS2QGWfg==, tableContent=null), ArticleFig(id=1276896899395359086, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=CN, label=图11, caption=
消融实验中不同算法的训练表现对比, figureFileSmall=3MK3bVg1ELSG5SiLe087Yw==, figureFileBig=CpK5yzLeiKlNJpfS2QGWfg==, tableContent=null), ArticleFig(id=1276896899454079343, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=EN, label=Fig.12, caption=
Comparison of final cumulative rewards of different algorithms in the ablation study, figureFileSmall=TtMxr4SPRgGRXWR3DsRR7A==, figureFileBig=SMFx6tWiSqUnod1ntFUALA==, tableContent=null), ArticleFig(id=1276896899521188208, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=CN, label=图12, caption=
消融实验中不同算法的最终累计奖励对比, figureFileSmall=TtMxr4SPRgGRXWR3DsRR7A==, figureFileBig=SMFx6tWiSqUnod1ntFUALA==, tableContent=null), ArticleFig(id=1276896899584102769, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=EN, label=Table 1, caption=
Main diagonal elements of the baseline deterioration matrix for each bridge component
, figureFileSmall=null, figureFileBig=null, tableContent=
| 构件 | p00 | p11 | p22 | p33 | p44 | p55 |
|---|
| 桥面铺装层 | 0.81 | 0.90 | 0.91 | 0.94 | 0.99 | 1 |
| 排水系统 | 0.91 | 0.90 | 0.86 | 0.94 | 0.93 | 1 |
| 外侧面1 | 0.86 | 0.97 | 0.94 | 0.89 | 0.99 | 1 |
| 外侧面2 | 0.86 | 0.96 | 0.95 | 0.92 | 0.91 | 1 |
| 端部桥面板1 | 0.87 | 0.95 | 0.94 | 0.92 | 0.99 | 1 |
| 端部桥面板2 | 0.87 | 0.96 | 0.94 | 0.94 | 0.99 | 1 |
| 中部桥面板 | 0.87 | 0.96 | 0.94 | 0.91 | 0.99 | 1 |
), ArticleFig(id=1276896899659600242, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=CN, label=表1, caption=
各构件基准状态退化矩阵的主对角元素
, figureFileSmall=null, figureFileBig=null, tableContent=
| 构件 | p00 | p11 | p22 | p33 | p44 | p55 |
|---|
| 桥面铺装层 | 0.81 | 0.90 | 0.91 | 0.94 | 0.99 | 1 |
| 排水系统 | 0.91 | 0.90 | 0.86 | 0.94 | 0.93 | 1 |
| 外侧面1 | 0.86 | 0.97 | 0.94 | 0.89 | 0.99 | 1 |
| 外侧面2 | 0.86 | 0.96 | 0.95 | 0.92 | 0.91 | 1 |
| 端部桥面板1 | 0.87 | 0.95 | 0.94 | 0.92 | 0.99 | 1 |
| 端部桥面板2 | 0.87 | 0.96 | 0.94 | 0.94 | 0.99 | 1 |
| 中部桥面板 | 0.87 | 0.96 | 0.94 | 0.91 | 0.99 | 1 |
), ArticleFig(id=1276896899722514803, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=EN, label=Table 2, caption=
State transition matrices under maintenance actions
, figureFileSmall=null, figureFileBig=null, tableContent=
| 状态 | 动作1小修状态转移矩阵 | 动作2中修的状态转移矩阵 | 动作3大修的状态转移矩阵 | 动作4重建的状态转移矩阵 |
|---|
| 0 | 1 | 2 | 3 | 4 | 5 | 0 | 1 | 2 | 3 | 4 | 5 | 0 | 1 | 2 | 3 | 4 | 5 | 0 | 1 | 2 | 3 | 4 | 5 |
|---|
| 0 | 0.99 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 1 | 0.03 | 0.95 | 0.02 | 0.00 | 0.00 | 0.00 | 0.50 | 0.45 | 0.05 | 0.00 | 0.00 | 0.00 | 0.90 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 2 | 0.00 | 0.03 | 0.95 | 0.02 | 0.00 | 0.00 | 0.00 | 0.50 | 0.45 | 0.05 | 0.00 | 0.00 | 0.70 | 0.20 | 0.10 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 3 | 0.00 | 0.00 | 0.03 | 0.95 | 0.02 | 0.00 | 0.00 | 0.00 | 0.50 | 0.45 | 0.05 | 0.00 | 0.50 | 0.30 | 0.20 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 4 | 0.00 | 0.00 | 0.00 | 0.03 | 0.95 | 0.02 | 0.00 | 0.00 | 0.00 | 0.50 | 0.45 | 0.05 | 0.40 | 0.30 | 0.20 | 0.10 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 5 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.90 | 0.10 | 0.40 | 0.30 | 0.20 | 0.10 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
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维修动作对应的状态转移矩阵
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| 状态 | 动作1小修状态转移矩阵 | 动作2中修的状态转移矩阵 | 动作3大修的状态转移矩阵 | 动作4重建的状态转移矩阵 |
|---|
| 0 | 1 | 2 | 3 | 4 | 5 | 0 | 1 | 2 | 3 | 4 | 5 | 0 | 1 | 2 | 3 | 4 | 5 | 0 | 1 | 2 | 3 | 4 | 5 |
|---|
| 0 | 0.99 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 1 | 0.03 | 0.95 | 0.02 | 0.00 | 0.00 | 0.00 | 0.50 | 0.45 | 0.05 | 0.00 | 0.00 | 0.00 | 0.90 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 2 | 0.00 | 0.03 | 0.95 | 0.02 | 0.00 | 0.00 | 0.00 | 0.50 | 0.45 | 0.05 | 0.00 | 0.00 | 0.70 | 0.20 | 0.10 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 3 | 0.00 | 0.00 | 0.03 | 0.95 | 0.02 | 0.00 | 0.00 | 0.00 | 0.50 | 0.45 | 0.05 | 0.00 | 0.50 | 0.30 | 0.20 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 4 | 0.00 | 0.00 | 0.00 | 0.03 | 0.95 | 0.02 | 0.00 | 0.00 | 0.00 | 0.50 | 0.45 | 0.05 | 0.40 | 0.30 | 0.20 | 0.10 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 5 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.90 | 0.10 | 0.40 | 0.30 | 0.20 | 0.10 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
), ArticleFig(id=1276896899865121141, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=EN, label=Table 3, caption=
Parameter values related to maintenance and risk costs
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| 符号 | 对应对象 | 取值 |
|---|
| | | [100, 200,400, 150, 300, 600, 800] |
| | | [0.000, 0.003, 0.020, 0.060, 1.000] |
| | | [0.80, 0.85, 0.90, 0.95, 1.00, 1.00] |
| | | [0.0000, 0.0000, 0.0045, 0.0150, 0.0400, 0.1000] |
), ArticleFig(id=1276896900066447734, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=CN, label=表3, caption=
维修成本与风险成本相关参数取值
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| 符号 | 对应对象 | 取值 |
|---|
| | | [100, 200,400, 150, 300, 600, 800] |
| | | [0.000, 0.003, 0.020, 0.060, 1.000] |
| | | [0.80, 0.85, 0.90, 0.95, 1.00, 1.00] |
| | | [0.0000, 0.0000, 0.0045, 0.0150, 0.0400, 0.1000] |
), ArticleFig(id=1276896900171305335, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=EN, label=Table 4, caption=
Hyperparameter settings for PPO and DQN-based methods
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| 方法 | 学习率 | 折扣因子 γ | GAE系数 λ | 采样步数 | 批量大小 | 训练轮数 | 裁剪阈值 | 策略网络结构 | 经验回放池容量 |
|---|
| PPO | 1×10-4 | 0.99 | 0.95 | 128 | 512 | 10 | 0.2 | 两层全连接 (128,128) | — |
| DQN类 | 1×10-4 | 0.99 | — | — | — | — | — | — | 50000 |
), ArticleFig(id=1276896900259385720, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=CN, label=表4, caption=
PPO与DQN类方法的超参数设置
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| 方法 | 学习率 | 折扣因子 γ | GAE系数 λ | 采样步数 | 批量大小 | 训练轮数 | 裁剪阈值 | 策略网络结构 | 经验回放池容量 |
|---|
| PPO | 1×10-4 | 0.99 | 0.95 | 128 | 512 | 10 | 0.2 | 两层全连接 (128,128) | — |
| DQN类 | 1×10-4 | 0.99 | — | — | — | — | — | — | 50000 |
), ArticleFig(id=1276896900330688889, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=EN, label=Table 5, caption=
Multi-metric performance comparison of different maintenance decision-making methods
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| 方法 | 累计奖励 | 与DP差距 | 维修成本 | 风险成本 | 平均状态 | 构件处于状态4或5的时间占比/% |
|---|
| DP | -213.21 (13.82) | — | 208.67 (9.69) | 4.54 (4.31) | 0.1724 (0.0661) | 0.013 (0.041) |
| SA-BCLPPO | -217.64 (17.57) | 4.43 | 211.15 (11.75) | 6.49 (8.25) | 0.1573 (0.0684) | 0.013 (0.046) |
| Parameterized-DQN | -2762.73 (19.20) | 2549.52 | 2753.35 (5.05) | 9.38 (14.87) | 0.0507 (0.0470) | 0.327 (0.896) |
| CNN-DQN | -954.43 (112.99) | 741.22 | 767.53 (58.67) | 186.91 (104.63) | 0.2802 (0.0362) | 0.950 (0.661) |
| Condition-1 | -254.36 (45.46) | 41.15 | 212.32 (28.31) | 42.04 (20.33) | 0.9303 (0.0282) | 0.143 (0.155) |
| Condition-2 | -841.23 (68.75) | 628.02 | 402.66 (42.67) | 438.58 (30.74) | 1.3056 (0.0300) | 1.646 (0.426) |
| Condition-3 | -1245.79 (73.04) | 1032.58 | 369.06 (37.55) | 876.73 (47.82) | 1.4355 (0.0478) | 11.990 (0.696) |
| Time-5 | -2675.55 (406.28) | 2462.33 | 1285.92 (293.19) | 1389.63 (173.52) | 1.5511 (0.0614) | 17.944 (1.747) |
| Time-10 | -5505.91 (575.68) | 5292.70 | 2014.99 (343.49) | 3490.92 (364.76) | 1.9932 (0.0697) | 33.514 (2.435) |
| Time-15 | -7618.90 (773.37) | 7405.69 | 2021.06 (304.97) | 5597.84 (624.94) | 2.3335 (0.0989) | 43.141 (2.885) |
| Time-20 | -10173.17 (945.23) | 9959.96 | 1781.30 (309.15) | 8391.87 (819.38) | 2.7635 (0.1048) | 53.410 (2.957) |
), ArticleFig(id=1276896900427157882, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=CN, label=表5, caption=
不同维修决策方法的多指标性能对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 方法 | 累计奖励 | 与DP差距 | 维修成本 | 风险成本 | 平均状态 | 构件处于状态4或5的时间占比/% |
|---|
| DP | -213.21 (13.82) | — | 208.67 (9.69) | 4.54 (4.31) | 0.1724 (0.0661) | 0.013 (0.041) |
| SA-BCLPPO | -217.64 (17.57) | 4.43 | 211.15 (11.75) | 6.49 (8.25) | 0.1573 (0.0684) | 0.013 (0.046) |
| Parameterized-DQN | -2762.73 (19.20) | 2549.52 | 2753.35 (5.05) | 9.38 (14.87) | 0.0507 (0.0470) | 0.327 (0.896) |
| CNN-DQN | -954.43 (112.99) | 741.22 | 767.53 (58.67) | 186.91 (104.63) | 0.2802 (0.0362) | 0.950 (0.661) |
| Condition-1 | -254.36 (45.46) | 41.15 | 212.32 (28.31) | 42.04 (20.33) | 0.9303 (0.0282) | 0.143 (0.155) |
| Condition-2 | -841.23 (68.75) | 628.02 | 402.66 (42.67) | 438.58 (30.74) | 1.3056 (0.0300) | 1.646 (0.426) |
| Condition-3 | -1245.79 (73.04) | 1032.58 | 369.06 (37.55) | 876.73 (47.82) | 1.4355 (0.0478) | 11.990 (0.696) |
| Time-5 | -2675.55 (406.28) | 2462.33 | 1285.92 (293.19) | 1389.63 (173.52) | 1.5511 (0.0614) | 17.944 (1.747) |
| Time-10 | -5505.91 (575.68) | 5292.70 | 2014.99 (343.49) | 3490.92 (364.76) | 1.9932 (0.0697) | 33.514 (2.435) |
| Time-15 | -7618.90 (773.37) | 7405.69 | 2021.06 (304.97) | 5597.84 (624.94) | 2.3335 (0.0989) | 43.141 (2.885) |
| Time-20 | -10173.17 (945.23) | 9959.96 | 1781.30 (309.15) | 8391.87 (819.38) | 2.7635 (0.1048) | 53.410 (2.957) |
), ArticleFig(id=1276896900506849659, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=EN, label=Table 6, caption=
Sensitivity analysis
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| 组别 | α | β | 折现率/% |
|---|
| 基准组 | 0.005 | 0 | 3 |
| 对比组Ⅰ | 0.010 | 0 | 3 |
| 0.001 | 0 | 3 |
| 对比组Ⅱ | 0.005 | 1×10-5 | 3 |
| 0.005 | 2×10-5 | 3 |
| 对比组Ⅲ | 0.005 | 0 | 2 |
| 0.005 | 0 | 5 |
), ArticleFig(id=1276896900594930044, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=CN, label=表6, caption=
敏感性分析
, figureFileSmall=null, figureFileBig=null, tableContent=
| 组别 | α | β | 折现率/% |
|---|
| 基准组 | 0.005 | 0 | 3 |
| 对比组Ⅰ | 0.010 | 0 | 3 |
| 0.001 | 0 | 3 |
| 对比组Ⅱ | 0.005 | 1×10-5 | 3 |
| 0.005 | 2×10-5 | 3 |
| 对比组Ⅲ | 0.005 | 0 | 2 |
| 0.005 | 0 | 5 |
), ArticleFig(id=1276896900666233213, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=EN, label=Table 7, caption=
Multi-metric performance comparison of different algorithms in the ablation study
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| 方法 | 平均累计奖励 | 维修成本 | 风险成本 | 平均状态 |
|---|
| 普通PPO | -223.49 | 212.85 | 10.64 | 0.2120 |
| 仅SA-PPO | -218.00 | 213.06 | 4.94 | 0.1307 |
| 仅BCL-PPO | -237.59 | 232.36 | 5.23 | 0.1314 |
| SA-BCLPPO | -216.56 | 209.90 | 6.66 | 0.1577 |
), ArticleFig(id=1276896900750119294, tenantId=1146029695717560320, journalId=1276577754012160025, articleId=1276896878662914324, language=CN, label=表7, caption=
消融实验中不同算法的多指标性能对比
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| 方法 | 平均累计奖励 | 维修成本 | 风险成本 | 平均状态 |
|---|
| 普通PPO | -223.49 | 212.85 | 10.64 | 0.2120 |
| 仅SA-PPO | -218.00 | 213.06 | 4.94 | 0.1307 |
| 仅BCL-PPO | -237.59 | 232.36 | 5.23 | 0.1314 |
| SA-BCLPPO | -216.56 | 209.90 | 6.66 | 0.1577 |
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