Article(id=1149418801831248426, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1149418798794572319, articleNumber=null, orderNo=null, doi=10.19562/j.chinasae.qcgc.2025.05.001, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1736784000000, receivedDateStr=2025-01-14, revisedDate=1741017600000, revisedDateStr=2025-03-04, acceptedDate=null, acceptedDateStr=null, onlineDate=1751972397524, onlineDateStr=2025-07-08, pubDate=1748102400000, pubDateStr=2025-05-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1751972397524, onlineIssueDateStr=2025-07-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1751972397524, creator=13701087609, updateTime=1751972397524, updator=13701087609, issue=Issue{id=1149418798794572319, tenantId=1146029695717560320, journalId=1146120084050784272, year='2025', volume='47', issue='5', pageStart='1', pageEnd='1006', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1751972396792, creator=13701087609, updateTime=1753780688390, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1157003323518837255, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1149418798794572319, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1157003323518837256, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1149418798794572319, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=797, endPage=808, ext={EN=ArticleExt(id=1149418802099683883, articleId=1149418801831248426, tenantId=1146029695717560320, journalId=1146120084050784272, language=EN, title=Study on Safe Parking Path Planning Algorithm for Narrow Environment, columnId=1149805645261664296, journalTitle=Automotive Engineering, columnName=Papers, runingTitle=null, highlight=
For safe and feasible path-planning in real time of autonomous parking system,a parking path planning algorithm based on constrained reinforcement learning with a hybrid action space is proposed in this paper. Specifically,the proposed algorithm employs a hybrid action space reinforcement learning framework that integrates discrete actions with continuous parameters to achieve parameterized trajectory planning,thereby enhancing the executability of planned paths. On this basis,a constrained reinforcement learning algorithm within the hybrid action space is designed to optimize safe policy execution,ensuring the safety of parking paths. Moreover,a curriculum learning mechanism is introduced during model training to guide exploration progressively,improving training stability and convergence speed. Finally,extensive comparative and ablation experiments are conducted on both perpendicular and parallel parking scenarios. The experimental results show that the proposed parking path planning algorithm outperforms existing state-of-the-art methods in terms of success rate,safety,and real-time performance,exhibiting superior overall effectiveness.
, articleAbstract=
For safe and feasible pathplanning in real time of autonomous parking system, a parking path planning algorithm based on constrained reinforcement learning with a hybrid action space is proposed in this paper. Specifically, the proposed algorithm employs a hybrid action space reinforcement learning framework that integrates discrete actions with continuous parameters to achieve parameterized trajectory planning, thereby enhancing the executability of planned paths. On this basis, a constrained reinforcement learning algorithm within the hybrid action space is designed to optimize safe policy execution, ensuring the safety of parking paths. Moreover, a curriculum learning mechanism is introduced during model training to guide exploration progressively, improving training stability and convergence speed. Finally, extensive comparative and ablation experiments are conducted on both perpendicular and parallel parking scenarios. The experimental results show that the proposed parking path planning algorithm outperforms existing stateoftheart methods in terms of success rate, safety, and realtime performance, exhibiting superior overall effectiveness.
, correspAuthors=Chen Guang, 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, authorCompany=null, fund=null, authors=null, authorsList=Jiayi Guan, Bin Li, Ao Zhou, Zhiguo Zhao, Qiao Lin, Guang Chen), CN=ArticleExt(id=1149418811285209940, articleId=1149418801831248426, tenantId=1146029695717560320, journalId=1146120084050784272, language=CN, title=面向狭窄环境的安全泊车路径规划算法研究
*, columnId=1149805645391687721, journalTitle=汽车工程, columnName=研究论文, runingTitle=null, highlight=
针对自动泊车系统中路径规划的安全性、实时性和可行性问题,本文提出一种基于混合动作空间约束强化学习的泊车路径规划算法。具体地,该算法利用混合动作空间强化学习框架将离散动作和连续参数相结合实现参数化轨迹规划,提高了规划路径的可执行性;在此基础上设计一种混合动作空间的约束强化学习算法实现安全策略优化,确保了泊车路径的安全性。此外,在模型训练过程中引入课程学习机制逐步引导策略探索,增强了模型训练稳定性和收敛速度。最后,在垂直车位和平行车位进行广泛的对比和消融实验,实验结果表明所提出的泊车路径规划算法在成功率、安全性和实时性等指标上均表现出色,且综合性能明显优于现有基线算法。
, articleAbstract=
针对自动泊车系统中路径规划的安全性、实时性和可行性问题,本文提出一种基于混合动作空间约束强化学习的泊车路径规划算法。具体地,该算法利用混合动作空间强化学习框架将离散动作和连续参数相结合实现参数化轨迹规划,提高了规划路径的可执行性;在此基础上设计一种混合动作空间的约束强化学习算法实现安全策略优化,确保了泊车路径的安全性。此外,在模型训练过程中引入课程学习机制逐步引导策略探索,增强了模型训练稳定性和收敛速度。最后,在垂直车位和平行车位进行广泛的对比和消融实验,实验结果表明所提出的泊车路径规划算法在成功率、安全性和实时性等指标上均表现出色,且综合性能明显优于现有基线算法。
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Soft actor-critic algorithms and applications[C]. Proceedings of the 35th International Conference on Machine Learning,2018., articleTitle=null, refAbstract=null), Reference(id=1170296728163987656, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149418801831248426, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[40], rfOrder=44, authorNames=null, journalName=null, refType=null, unstructuredReference=XIONG J,WANG Q,YANG Z,et al. Parametrized deep Q-networks learning: reinforcement learning with discrete-continuous hybrid action space[J]. arXiv preprint arXiv:1810. 06394. 2018., articleTitle=null, refAbstract=null), Reference(id=1170296728231096521, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149418801831248426, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[41], rfOrder=45, authorNames=null, journalName=null, refType=null, unstructuredReference=FAN Z,SU R,ZHANG W,et al. Hybrid actor-critic reinforcement learning in parameterized action space[C]. 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| 算法1:混合动作安全泊车路径规划算法 |
| 1:输入:初始化策略网络参数 ;初始化奖励值函数网络参数 ;初始化成本值函数网络参数 |
| 2:for 每个回合do: |
| 3: 通过策略 在环境中采集多组轨迹 |
| 4: 计算后续轨迹奖励和成本 、 |
| 5: 基于当前奖励值网络 计算奖励的优势函数 和 |
| 6: 基于当前成本值网络 计算成本的优势函数 和 |
| 7: 基于式(7)估算轨迹成本值 |
| 8: 如果 条件满足则通过奖励优势函数更新策略: |
| |
| 9: 反之则通过成本优势函数更新策略: |
| |
| 10: 通过均方误差拟合奖励和成本值函数: |
| |
| |
| 11:终止for |
| 12: 输出:策略网络 |
), ArticleFig(id=1170296722803667087, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149418801831248426, language=CN, label=表1, caption=
HCRL安全泊车路径规划算法
, figureFileSmall=null, figureFileBig=null, tableContent=
| 算法1:混合动作安全泊车路径规划算法 |
| 1:输入:初始化策略网络参数 ;初始化奖励值函数网络参数 ;初始化成本值函数网络参数 |
| 2:for 每个回合do: |
| 3: 通过策略 在环境中采集多组轨迹 |
| 4: 计算后续轨迹奖励和成本 、 |
| 5: 基于当前奖励值网络 计算奖励的优势函数 和 |
| 6: 基于当前成本值网络 计算成本的优势函数 和 |
| 7: 基于式(7)估算轨迹成本值 |
| 8: 如果 条件满足则通过奖励优势函数更新策略: |
| |
| 9: 反之则通过成本优势函数更新策略: |
| |
| 10: 通过均方误差拟合奖励和成本值函数: |
| |
| |
| 11:终止for |
| 12: 输出:策略网络 |
), ArticleFig(id=1170296722900136080, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149418801831248426, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 方法 | Reeds-Shepp | Hybrid A* | SAC | PPO | HCRL(Ours) |
| /% | 1.00±0.00 | 1.00±0.00 | 1.00±0.00 | 1.00±0.00 | 1.00±0.00 |
| | 52.98±26.78 | 8.75±3.32 | 26.00±12.72 | 27.94±13.55 | 8.67±3.89 |
| /s | 0.01±0.00 | 2.74±3.86 | 0.50±0.03 | 0.56±0.03 | 0.07±0.01 |
| /m | 8.91±0.36 | 9.68±1.16 | 14.73±2.07 | 15.98±2.21 | 9.78±0.86 |
| | 1.00±0.00 | 1.33±0.58 | 5.84±2.30 | 6.16±2.77 | 1.66±0.71 |
| | 2.87±0.51 | 3.68±1.03 | 14.18±3.04 | 13.37±3.19 | 3.82±1.50 |
| | 83.33 | 79.23 | 44.47 | 40.58 | 94.05 |
), ArticleFig(id=1170296722988216465, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149418801831248426, language=CN, label=表2, caption=
现有基线算法与HCRL算法在垂直车泊车位实验结果
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| 方法 | Reeds-Shepp | Hybrid A* | SAC | PPO | HCRL(Ours) |
| /% | 1.00±0.00 | 1.00±0.00 | 1.00±0.00 | 1.00±0.00 | 1.00±0.00 |
| | 52.98±26.78 | 8.75±3.32 | 26.00±12.72 | 27.94±13.55 | 8.67±3.89 |
| /s | 0.01±0.00 | 2.74±3.86 | 0.50±0.03 | 0.56±0.03 | 0.07±0.01 |
| /m | 8.91±0.36 | 9.68±1.16 | 14.73±2.07 | 15.98±2.21 | 9.78±0.86 |
| | 1.00±0.00 | 1.33±0.58 | 5.84±2.30 | 6.16±2.77 | 1.66±0.71 |
| | 2.87±0.51 | 3.68±1.03 | 14.18±3.04 | 13.37±3.19 | 3.82±1.50 |
| | 83.33 | 79.23 | 44.47 | 40.58 | 94.05 |
), ArticleFig(id=1170296723088879762, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149418801831248426, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 方法 | Reeds-Shepp | Hybrid A* | SAC | PPO | HCRL(Ours) |
| /% | 1.00 ±0.00 | 0.83 ±0.12 | 1.00 ±0.00 | 1.00 ±0.00 | 1.00±0.00 |
| | 65.49 ±29.72 | 10.70 ±4.66 | 16.22 ±7.27 | 18.02±7.82 | 7.92±3.76 |
| /s | 0.01 ±0.00 | 23.93 ±7.20 | 0.31 ±0.06 | 0.32 ±0.08 | 0.06±0.02 |
| /m | 8.80 ±0.34 | 9.34 ±0.84 | 11.02 ±1.65 | 11.64 ±1.81 | 9.96±0.92 |
| | 2.00 ±0.00 | 2.26 ±1.14 | 2.60±0.34 | 2.72 ±1.16 | 2.31±1.01 |
| | 3.82 ±1.38 | 4.51 ±1.94 | 13.29±2.53 | 12.56 ±2.25 | 4.69 ±1.22 |
| | 83.33 | 55.46 | 53.80 | 48.14 | 84.45 |
), ArticleFig(id=1170296723214708883, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149418801831248426, language=CN, label=表3, caption=
现有基线算法与HCRL算法在平行车泊车位实验结果
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| 方法 | Reeds-Shepp | Hybrid A* | SAC | PPO | HCRL(Ours) |
| /% | 1.00 ±0.00 | 0.83 ±0.12 | 1.00 ±0.00 | 1.00 ±0.00 | 1.00±0.00 |
| | 65.49 ±29.72 | 10.70 ±4.66 | 16.22 ±7.27 | 18.02±7.82 | 7.92±3.76 |
| /s | 0.01 ±0.00 | 23.93 ±7.20 | 0.31 ±0.06 | 0.32 ±0.08 | 0.06±0.02 |
| /m | 8.80 ±0.34 | 9.34 ±0.84 | 11.02 ±1.65 | 11.64 ±1.81 | 9.96±0.92 |
| | 2.00 ±0.00 | 2.26 ±1.14 | 2.60±0.34 | 2.72 ±1.16 | 2.31±1.01 |
| | 3.82 ±1.38 | 4.51 ±1.94 | 13.29±2.53 | 12.56 ±2.25 | 4.69 ±1.22 |
| | 83.33 | 55.46 | 53.80 | 48.14 | 84.45 |
), ArticleFig(id=1170296723441201300, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149418801831248426, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 方法 | PADDPG-Lag | HPPO-Lag | PDQN-Lag-R | HCRL(Ours) |
| /% | 0.98 ± 0.01 | 0.99± 0.01 | 1.00 ± 0.00 | 1.00 ± 0.00 |
| | 11.33 ± 5.10 | 10.04 ± 4.86 | 12.58 ± 5.77 | 8.67 ± 3.89 |
| /s | 0.10± 0.04 | 0.09± 0.05 | 0.11± 0.05 | 0.07± 0.01 |
| /m | 10.30 ± 1.05 | 12.67 ± 1.49 | 11.08 ± 0.88 | 9.78± 0.86 |
| | 1.56 ± 0.53 | 1.74± 0.89 | 1.67 ± 0.70 | 1.66 ± 0.71 |
| | 3.61 ± 1.36 | 4.14 ± 1.86 | 3.95± 1.64 | 3.82 ± 1.50 |
| | 75.61 | 77.54 | 89.05 | 94.05 |
), ArticleFig(id=1170296723567030421, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149418801831248426, language=CN, label=表4, caption=
基于现有算法改进的安全规划算法与HCRL算法在垂直车泊车位实验结果
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| 方法 | PADDPG-Lag | HPPO-Lag | PDQN-Lag-R | HCRL(Ours) |
| /% | 0.98 ± 0.01 | 0.99± 0.01 | 1.00 ± 0.00 | 1.00 ± 0.00 |
| | 11.33 ± 5.10 | 10.04 ± 4.86 | 12.58 ± 5.77 | 8.67 ± 3.89 |
| /s | 0.10± 0.04 | 0.09± 0.05 | 0.11± 0.05 | 0.07± 0.01 |
| /m | 10.30 ± 1.05 | 12.67 ± 1.49 | 11.08 ± 0.88 | 9.78± 0.86 |
| | 1.56 ± 0.53 | 1.74± 0.89 | 1.67 ± 0.70 | 1.66 ± 0.71 |
| | 3.61 ± 1.36 | 4.14 ± 1.86 | 3.95± 1.64 | 3.82 ± 1.50 |
| | 75.61 | 77.54 | 89.05 | 94.05 |
), ArticleFig(id=1170296723676082326, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149418801831248426, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 方法 | PADDPG-Lag | HPPO-Lag | PDQN-Lag-R | HCRL(Ours) |
| /% | 0.99 ± 0.01 | 1.00 ± 0.00 | 0.97 ± 0.01 | 1.00 ± 0.00 |
| | 12.09 ± 4.65 | 10.31 ±4.30 | 13.17 ± 5.83 | 7.92 ± 3.76 |
| /s | 0.07 ± 0.02 | 0.06 ± 0.01 | 0.07 ± 0.03 | 0.06 ± 0.02 |
| /m | 10.62 ± 1.69 | 10.03 ± 1.37 | 11.87 ± 1.82 | 9.96 ± 1.14 |
| | 2.67 ± 1.68 | 2.43 ± 1.23 | 2.91 ± 1.75 | 2.31± 1.01 |
| | 6.29 ± 4.26 | 5.03 ± 0.96 | 6.67 ± 6.95 | 4.69 ± 1.22 |
| | 67.23 | 79.97 | 57.15 | 84.45 |
), ArticleFig(id=1170296723869020311, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149418801831248426, language=CN, label=表5, caption=
基于现有算法改进的安全规划算法与HCRL算法在平行车泊车位实验结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 方法 | PADDPG-Lag | HPPO-Lag | PDQN-Lag-R | HCRL(Ours) |
| /% | 0.99 ± 0.01 | 1.00 ± 0.00 | 0.97 ± 0.01 | 1.00 ± 0.00 |
| | 12.09 ± 4.65 | 10.31 ±4.30 | 13.17 ± 5.83 | 7.92 ± 3.76 |
| /s | 0.07 ± 0.02 | 0.06 ± 0.01 | 0.07 ± 0.03 | 0.06 ± 0.02 |
| /m | 10.62 ± 1.69 | 10.03 ± 1.37 | 11.87 ± 1.82 | 9.96 ± 1.14 |
| | 2.67 ± 1.68 | 2.43 ± 1.23 | 2.91 ± 1.75 | 2.31± 1.01 |
| | 6.29 ± 4.26 | 5.03 ± 0.96 | 6.67 ± 6.95 | 4.69 ± 1.22 |
| | 67.23 | 79.97 | 57.15 | 84.45 |
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