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| 基于曲线拟合的轮胎帘布层转向残余回正力矩计算方法分析 |
| Analysis on Calculation Method of Tire Ply Steer Residual Aligning Torque Based on Curve Fitting |
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| DOI： |
| 中文关键词: 轮胎；帘布层转向残余回正力矩；曲线拟合；精度 |
| 英文关键词: tire；ply steer residual aligning torque；curve fitting；accuracy |
| 基金项目: |
| 中图分类号:TQ336.1+1 |
| Author Name | Affiliation | | LU Dang | Jilin University | | SUO Yanru | Jilin University |
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| 中文摘要: |
| 介绍和分析线性拟合法、关键区线性拟合法和三次曲线拟合法3种轮胎帘布层转向残余回正力矩（PRAT）测试数据的处理方法。结果表明：采用不同的曲线拟合方法得到的PRAT值有较大的区别；三次曲线拟合法操作方便，计算得到的PRAT值更精确。 |
| 英文摘要: |
| In this study，tire plysteer residual aligning torque（PRAT）test data were analyzed by linear fitting method，linear fitting in critical region method and cubic polynomial curve fitting method，respectively.The results showed that，there was a large difference among the fitted results from these three methods；and cubic polynomial curve fitting method was easy to use and provided more accurate PRAT value. |
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