| 俞旻,杨通,张文清,俞峰.轮胎残余回正力矩测试和计算方法研究[J].轮胎工业,2022,42(3):0188-0191 |
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| 轮胎残余回正力矩测试和计算方法研究 |
| Study on Test and Calculation Methods of Tire Residual Aligning Torque |
| 投稿时间：2021-07-20 修订日期：2021-07-20 |
| DOI：10.12135/j.issn.1006-8171.2022.03.0188 |
| 中文关键词: 轮胎 残余回正力矩 试验方法 计算方法 |
| 英文关键词: tire residual aligning torque test method calculation method |
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| 中文摘要: |
| 分析侧偏角正弦、侧偏角扫掠和稳态试验3种轮胎残余回正力矩测试方法及角度效应残余回正力矩（PRAT）的美国汽车工程师学会推荐方法和通用汽车推荐方法2种计算方法。结果表明：稳态试验方法测试PRAT的重复性最好；对于对称花纹轮胎和非对称花纹轮胎，2种计算方法的PRAT值基本无差异。 |
| 英文摘要: |
| In this study，the test methods of tire residual aligning torque were analyzed including sinusoidal slip angle variation，slip angle sweeping and steady-state test as well as SAE recommended method and GMW recommended method two kinds of calculation methods of plysteer residual aligning torque（PRAT）.The results showed that the repeatability of PRAT result of the steady-state test method was the best.For symmetric tread tire and asymmetric tread tire，there was almost no difference in PRAT values between the two calculation methods. |
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