基于周向应变分析的重载轮胎垂向力估计算法
U463; 为实现对轮胎垂向力的量化估计,开展了基于周向胎内应变分析的重载轮胎垂向力估计算法研究.建立 16.00 R20 重载轮胎有限元模型,通过轮胎加载实验和模态振动实验对比发现模型垂向刚度误差和振动频率误差分别在 7.79%和 5.49%以内,验证了模型的有效性;利用有限元方法研究了垂向力对轮胎接地特性和内衬层周向应变的影响规律,根据周向应变曲线特征分析了周向应变与接地角的关系,提出并验证了轮胎接地角表征指标,3 个表征指标误差均小于 8%;以接地角和接地长度作为辨识特征,结合灰狼优化算法和支持向量回归机建立垂向力估计模型,通过有限元仿真对比验证估计精度.结果表明:结合应变曲线零阶、一阶...
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| Published in | 上海交通大学学报 Vol. 57; no. 10; pp. 1273 - 1281 |
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| Main Authors | , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
火箭军工程大学 导弹学院,西安 710025
2023
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1006-2467 |
| DOI | 10.16183/j.cnki.jsjtu.2022.249 |
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| Abstract | U463; 为实现对轮胎垂向力的量化估计,开展了基于周向胎内应变分析的重载轮胎垂向力估计算法研究.建立 16.00 R20 重载轮胎有限元模型,通过轮胎加载实验和模态振动实验对比发现模型垂向刚度误差和振动频率误差分别在 7.79%和 5.49%以内,验证了模型的有效性;利用有限元方法研究了垂向力对轮胎接地特性和内衬层周向应变的影响规律,根据周向应变曲线特征分析了周向应变与接地角的关系,提出并验证了轮胎接地角表征指标,3 个表征指标误差均小于 8%;以接地角和接地长度作为辨识特征,结合灰狼优化算法和支持向量回归机建立垂向力估计模型,通过有限元仿真对比验证估计精度.结果表明:结合应变曲线零阶、一阶、二阶导数特征点间距角的表征指标能较准确估算接地角;基于灰狼支持向量回归机的垂向力估计算法估计效果良好,估计值与有限元仿真值误差在 1.8%以内,能够准确地估算轮胎垂向力. |
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| AbstractList | U463; 为实现对轮胎垂向力的量化估计,开展了基于周向胎内应变分析的重载轮胎垂向力估计算法研究.建立 16.00 R20 重载轮胎有限元模型,通过轮胎加载实验和模态振动实验对比发现模型垂向刚度误差和振动频率误差分别在 7.79%和 5.49%以内,验证了模型的有效性;利用有限元方法研究了垂向力对轮胎接地特性和内衬层周向应变的影响规律,根据周向应变曲线特征分析了周向应变与接地角的关系,提出并验证了轮胎接地角表征指标,3 个表征指标误差均小于 8%;以接地角和接地长度作为辨识特征,结合灰狼优化算法和支持向量回归机建立垂向力估计模型,通过有限元仿真对比验证估计精度.结果表明:结合应变曲线零阶、一阶、二阶导数特征点间距角的表征指标能较准确估算接地角;基于灰狼支持向量回归机的垂向力估计算法估计效果良好,估计值与有限元仿真值误差在 1.8%以内,能够准确地估算轮胎垂向力. |
| Author | 高钦和 刘钇汛 刘志浩 马栋 黄通 |
| AuthorAffiliation | 火箭军工程大学 导弹学院,西安 710025 |
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| Author_FL | LIU Zhihao HUANG Tong LIU Yixun GAO Qinhe MA Dong |
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| Author_xml | – sequence: 1 fullname: 刘钇汛 – sequence: 2 fullname: 刘志浩 – sequence: 3 fullname: 高钦和 – sequence: 4 fullname: 黄通 – sequence: 5 fullname: 马栋 |
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| DocumentTitle_FL | Vertical Force Estimation of Heavy-Loaded Radial Tire Based on Circumferential Strain Analysis |
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| Keywords | 有限元模型 finite element analysis model circumferential strain 周向应变 支持向量回归机 垂向力 vertical force support vector regression(SVR) |
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| Title | 基于周向应变分析的重载轮胎垂向力估计算法 |
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