卢荡,索艳茹.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[J].轮胎工业,2016,36(4):195-198 |
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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 |
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中图分类号:TQ336.1+1 |
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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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