Article(id=1149420603217711508, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1149420601376412046, articleNumber=null, orderNo=null, doi=10.19562/j.chinasae.qcgc.2025.04.012, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1725897600000, receivedDateStr=2024-09-10, revisedDate=1730736000000, revisedDateStr=2024-11-05, acceptedDate=null, acceptedDateStr=null, onlineDate=1751972827009, onlineDateStr=2025-07-08, pubDate=1745510400000, pubDateStr=2025-04-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1751972827009, onlineIssueDateStr=2025-07-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1751972827009, creator=13701087609, updateTime=1751972827009, updator=13701087609, issue=Issue{id=1149420601376412046, tenantId=1146029695717560320, journalId=1146120084050784272, year='2025', volume='47', issue='4', pageStart='587', pageEnd='795', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1751972826539, creator=13701087609, updateTime=1754389785974, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1159558063947952346, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1149420601376412046, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1159558063947952347, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1149420601376412046, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=714, endPage=723, ext={EN=ArticleExt(id=1149420603406455190, articleId=1149420603217711508, tenantId=1146029695717560320, journalId=1146120084050784272, language=EN, title=Physics-Data Hybrid Driven Estimation of Vehicle Side Slip Angle, columnId=1149809889280750125, journalTitle=Automotive Engineering, columnName=Selected Papers, runingTitle=null, highlight=
In the realm of vehicle dynamics,the sideslip angle is a critical parameter. For the challenges posed by the current model-based methods,which heavily rely on the accuracy of dynamic models,and the poor robustness of data-driven methods in unfamiliar operating conditions,in this paper a sideslip angle estimation method based on a hybrid of physics and data-driven approaches (DeepPhy) is proposed. The aim is to combine the strength of physical modeling and data-driven techniques to achieve reliable and accurate estimation of the sideslip angle. DeepPhy integrates prior values of the sideslip angle obtained from the lateral force model of the rear axle tires with a deep neural network,enabling the learning of nonlinear mapping relationship not captured by the physical model,thereby enhancing the model's reliability in unfamiliar conditions. The simulation results indicate that under continuous DLC conditions,the RMSE of the estimation results from DeepPhy is reduced by 93% compared to the physical model method and by 63% compared to the data-driven method,exhibiting robustness in scenarios with limited data. Real-world validation further confirms DeepPhy's exceptional generalization capabilities,as the models trained through simulation can be transferred to real-world conditions while maintaining high-precision estimation results.
, articleAbstract=
In the realm of vehicle dynamics, the sideslip angle is a critical parameter. For the challenges posed by the current modelbased methods, which heavily rely on the accuracy of dynamic models, and the poor robustness of datadriven methods in unfamiliar operating conditions, in this paper a sideslip angle estimation method based on a hybrid of physics and datadriven approaches (DeepPhy) is proposed. The aim is to combine the strength of physical modeling and datadriven techniques to achieve reliable and accurate estimation of the sideslip angle. DeepPhy integrates prior values of the sideslip angle obtained from the lateral force model of the rear axle tires with a deep neural network, enabling the learning of nonlinear mapping relationship not captured by the physical model, thereby enhancing the model's reliability in unfamiliar conditions. The simulation results indicate that under continuous DLC conditions, the RMSE of the estimation results from DeepPhy is reduced by 93% compared to the physical model method and by 63% compared to the datadriven method, exhibiting robustness in scenarios with limited data. Realworld validation further confirms DeepPhy's exceptional generalization capabilities, as the models trained through simulation can be transferred to realworld conditions while maintaining highprecision estimation results.
, correspAuthors=Yong Wang, 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=Qin Li, Boyuan Zhang, Zhihang Xie, Yong Wang, Jianming Tang, Yong Chen), CN=ArticleExt(id=1149420615548965527, articleId=1149420603217711508, tenantId=1146029695717560320, journalId=1146120084050784272, language=CN, title=物理-数据混合驱动的车辆质心侧偏角估计
*, columnId=1149809889410773550, journalTitle=汽车工程, columnName=精选论文, runingTitle=null, highlight=
质心侧偏角是车辆动力学中的关键变量。针对现有基于模型方法严重依赖动力学模型精度和数据驱动方法在面临陌生工况场景时鲁棒性差等问题,本文提出了一种物理-数据混合驱动(DeepPhy)的质心侧偏角估计方法,旨在结合物理模型与数据驱动模型的优势,实现对质心侧偏角的可靠与准确估计。DeepPhy通过将后轴轮胎侧向力模型得到的质心侧偏角先验值与深度网络进行集成,从而能够学习物理模型未能表达的非线性映射关系,提升模型面对陌生工况的可靠性。仿真结果表明,在连续DLC工况下,DeepPhy估计结果的RMSE相较于物理模型方法和纯数据驱动方法分别降低了93%和63%,并对数据稀缺工况具有鲁棒性。实车验证进一步表明,DeepPhy具有优异的泛化能力,经过仿真训练的模型可迁移至实车环境中,并保持高精度的估计结果。
, articleAbstract=
质心侧偏角是车辆动力学中的关键变量。针对现有基于模型方法严重依赖动力学模型精度和数据驱动方法在面临陌生工况场景时鲁棒性差等问题,本文提出了一种物理数据混合驱动(DeepPhy)的质心侧偏角估计方法,旨在结合物理模型与数据驱动模型的优势,实现对质心侧偏角的可靠与准确估计。DeepPhy通过将后轴轮胎侧向力模型得到的质心侧偏角先验值与深度网络进行集成,从而能够学习物理模型未能表达的非线性映射关系,提升模型面对陌生工况的可靠性。仿真结果表明,在连续DLC工况下,DeepPhy估计结果的RMSE相较于物理模型方法和纯数据驱动方法分别降低了93%和63%,并对数据稀缺工况具有鲁棒性。实车验证进一步表明,DeepPhy具有优异的泛化能力,经过仿真训练的模型可迁移至实车环境中,并保持高精度的估计结果。
, correspAuthors=王勇, authorNote=null, correspAuthorsNote=
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| 参数 | 数值 | 单位 |
| 车辆整备质量 | 1 412 | kg |
| 质心距前轴长 | 1.015 | m |
| 质心距后轴长 | 1.895 | m |
| 前轮侧偏刚度 | -52 000 | N/rad |
| 后轮侧偏刚度 | -34 500 | N/rad |
| 轮距 | 1.675 | m |
| 绕Z轴转动惯量 | 1 536.7 | kg·m2 |
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CarSim C型车主要参数
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| 参数 | 数值 | 单位 |
| 车辆整备质量 | 1 412 | kg |
| 质心距前轴长 | 1.015 | m |
| 质心距后轴长 | 1.895 | m |
| 前轮侧偏刚度 | -52 000 | N/rad |
| 后轮侧偏刚度 | -34 500 | N/rad |
| 轮距 | 1.675 | m |
| 绕Z轴转动惯量 | 1 536.7 | kg·m2 |
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| 工况类型 | 最大转角/(°) | 频率/Hz | 速度/(km·h-1) |
| 斜坡转向 | 130 | | 80/100 |
| 扫频转向 | 100 | 1-0.2 | 80-100 |
| 正弦转向 | 40/60 | 0.25/0.5 | 80-100 |
| 直线行驶 | | | 5-120 |
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训练集/验证集
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| 工况类型 | 最大转角/(°) | 频率/Hz | 速度/(km·h-1) |
| 斜坡转向 | 130 | | 80/100 |
| 扫频转向 | 100 | 1-0.2 | 80-100 |
| 正弦转向 | 40/60 | 0.25/0.5 | 80-100 |
| 直线行驶 | | | 5-120 |
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| 测试项目 | 工况类型 | 最大转角/(°) | 频率/Hz | 速度/(km·h-1) |
| 精度 验证 | 鱼钩转向 | -90/120 | | 90 |
| 连续DLC1 | | | 80-90 |
| 正弦转向1 | 90 | 0.2 | 90-100 |
| 鲁棒性 验证 | 连续DLC2 | | | 50-60 |
| 正弦转向2 | 90 | 0.2 | 50-60 |
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测试集
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| 测试项目 | 工况类型 | 最大转角/(°) | 频率/Hz | 速度/(km·h-1) |
| 精度 验证 | 鱼钩转向 | -90/120 | | 90 |
| 连续DLC1 | | | 80-90 |
| 正弦转向1 | 90 | 0.2 | 90-100 |
| 鲁棒性 验证 | 连续DLC2 | | | 50-60 |
| 正弦转向2 | 90 | 0.2 | 50-60 |
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| 项目 | 超参数 | 设置 |
| 网络架构 | 时间序列长度 | 20 |
| LSTM隐层数 | 1 |
| 全连接隐层数 | 1 |
| LSTM隐层单元数 | 128 |
| 全连接隐层单元数 | 128 |
| 激活函数 | Tanh |
| 参数个数 | 86 273 |
| 训练过程 | 优化器 | Adam |
| 学习率初值 | 0.000 4 |
| 批大小 | 512 |
| Epochs | 250 |
| 提前停止耐心 | 30 |
| 梯度剪切值 | 1 |
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状态估计网络超参数设置
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| 项目 | 超参数 | 设置 |
| 网络架构 | 时间序列长度 | 20 |
| LSTM隐层数 | 1 |
| 全连接隐层数 | 1 |
| LSTM隐层单元数 | 128 |
| 全连接隐层单元数 | 128 |
| 激活函数 | Tanh |
| 参数个数 | 86 273 |
| 训练过程 | 优化器 | Adam |
| 学习率初值 | 0.000 4 |
| 批大小 | 512 |
| Epochs | 250 |
| 提前停止耐心 | 30 |
| 梯度剪切值 | 1 |
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| 场景 | 对比算法 | RMSE/(°) | ME/(°) | R 2 |
| 鱼钩工况 | 模型方法 | 0.449 2 | 1.170 6 | 0.828 5 |
| LSTM | 0.077 7 | 0.223 4 | 0.994 9 |
| DeepPhy | 0.023 5 | 0.068 4 | 0.999 3 |
| 连续DLC1 | 模型方法 | 0.278 4 | 0.682 8 | 0.820 7 |
| LSTM | 0.053 3 | 0.150 2 | 0.993 4 |
| DeepPhy | 0.019 7 | 0.081 1 | 0.999 1 |
| 正弦工况1 | 模型方法 | 0.510 4 | 1.085 6 | 0.807 9 |
| LSTM | 0.088 5 | 0.440 6 | 0.994 2 |
| DeepPhy | 0.039 3 | 0.192 7 | 0.998 9 |
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精度验证误差分析
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| 场景 | 对比算法 | RMSE/(°) | ME/(°) | R 2 |
| 鱼钩工况 | 模型方法 | 0.449 2 | 1.170 6 | 0.828 5 |
| LSTM | 0.077 7 | 0.223 4 | 0.994 9 |
| DeepPhy | 0.023 5 | 0.068 4 | 0.999 3 |
| 连续DLC1 | 模型方法 | 0.278 4 | 0.682 8 | 0.820 7 |
| LSTM | 0.053 3 | 0.150 2 | 0.993 4 |
| DeepPhy | 0.019 7 | 0.081 1 | 0.999 1 |
| 正弦工况1 | 模型方法 | 0.510 4 | 1.085 6 | 0.807 9 |
| LSTM | 0.088 5 | 0.440 6 | 0.994 2 |
| DeepPhy | 0.039 3 | 0.192 7 | 0.998 9 |
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| 场景 | 对比算法 | RMSE/(°) | ME/(°) | R 2 |
| 连续DLC2 | 模型方法 | 0.087 0 | 0.288 6 | 0.843 3 |
| LSTM | 0.125 3 | 0.371 6 | 0.675 1 |
| DeepPhy | 0.023 9 | 0.080 3 | 0.988 2 |
| 正弦工况2 | 模型方法 | 0.308 0 | 0.750 3 | 0.445 7 |
| LSTM | 0.270 4 | 0.620 5 | 0.572 7 |
| DeepPhy | 0.054 8 | 0.208 4 | 0.982 5 |
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鲁棒性验证误差分析
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| 场景 | 对比算法 | RMSE/(°) | ME/(°) | R 2 |
| 连续DLC2 | 模型方法 | 0.087 0 | 0.288 6 | 0.843 3 |
| LSTM | 0.125 3 | 0.371 6 | 0.675 1 |
| DeepPhy | 0.023 9 | 0.080 3 | 0.988 2 |
| 正弦工况2 | 模型方法 | 0.308 0 | 0.750 3 | 0.445 7 |
| LSTM | 0.270 4 | 0.620 5 | 0.572 7 |
| DeepPhy | 0.054 8 | 0.208 4 | 0.982 5 |
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| 参数 | 数值 | 单位 |
| 车辆整备质量 | 1 890 | kg |
| 质心距前轴长 | 1.504 | m |
| 质心距后轴长 | 1.506 | m |
| 前轮侧偏刚度 | -84 500 | N/rad |
| 后轮侧偏刚度 | -52 500 | N/rad |
| 轮距 | 1.620 | m |
| 绕Z轴转动惯量 | 2 150 | kg·m2 |
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测试车辆主要参数
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| 参数 | 数值 | 单位 |
| 车辆整备质量 | 1 890 | kg |
| 质心距前轴长 | 1.504 | m |
| 质心距后轴长 | 1.506 | m |
| 前轮侧偏刚度 | -84 500 | N/rad |
| 后轮侧偏刚度 | -52 500 | N/rad |
| 轮距 | 1.620 | m |
| 绕Z轴转动惯量 | 2 150 | kg·m2 |
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| 对比算法 | RMSE/(°) | ME/(°) | R 2 |
| 模型方法 | 0.802 1 | 2.902 4 | 0.907 6 |
| LSTM | 1.005 1 | 2.837 3 | 0.854 9 |
| DeepPhy | 0.267 9 | 1.264 0 | 0.989 7 |
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实车双移线工况误差统计结果
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| 对比算法 | RMSE/(°) | ME/(°) | R 2 |
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| DeepPhy | 0.267 9 | 1.264 0 | 0.989 7 |
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