基于测量转向盘转角的汽车低速转向回正性能试验方法研究.pdfVIP

学兔兔 · 试验测试· 基于测量转向盘转角的汽车低速转向回正性能 试验方法研究 滕广宇 戈铅 沙雷 (北京汽车研究总院有限公司，北京 101300) 【摘要】介绍了一种评价车辆低速转向回正性能的试验方法，该方法主要考察残留转向盘转角及转向盘回正角速度两 种参数，根据残留转向盘转角值进行评分并根据转向盘回正角速度对评分进行修正。分别采用该方法和国家推荐标准进 行了对比试验，通过对两种试验方法所得结果的变异系数及离散性分析，证明了该方法所得数据具有较好的一致性及准确 性。该方法直接将“车速”与“回正性”相联系，与主观评价试验关注点一致，可作为对国家推荐标准的补充。 主题词：汽车 低速转向 回正性能 转向盘转角 试验 中图分类号：U467．1+1 文献标识码：A 文章编号：1000—3703(2016)01—0032—03 Study of Vehicle Low Speed Returnability Test Method Based on Measuring Steering Wheel Angle Teng Guangyu，Ge Qian，Sha Lei (Beijing Automobile Technology Centre Co．，Ltd．，Beijing 101300) 【Abstract】This paper introduces a test method to evaluate automotive low speed returnability performance，which studies steering wheel residual angle and steering wheel return angular speed．Rating is made according to steering wheel residual angle，which is revised according to steering wheel return angular speed．Tests have been made respectively with this method and the standard recommended by the state．It is proved that the paper recommended test method has good consistency and accuracy by analyzing the coefficient of variation and discreteness obtained from test results．This test method connects the vehicle speed and vehicle returnability performance directly which are also consistent with subjective evaluation test．This test method can be used as a supplementary of the national recommended standard． Key words：Vehicle，Low—speed steering，Returnability performance，Steering wheel angle，Test 度应达到并稳定在4 m／s ，但侧向加速度与速度的平方 1 前言 成正比，因此地面不平、车身振动、换挡等因素引起的车 车辆低速转向回正性能是评