汽车转向盘操作与驾驶负荷的相关性
发布时间：2019-07-11 17:54
【摘要】：为证实转向盘转速与驾驶负荷之间的相关性,在4条山区复杂双车道公路上开展了长里程的自然驾驶行为实车试验,采集了被试驾驶员的心率信号和转向盘输入数据,以心率增长率HRI为中介,分析了转向盘转速与驾驶负荷之间的关系。试验结果表明:驾驶员超车时的心率显著高于平静状态,超越大型车时的心率增长率明显高于小客车,并且心率在超车行为开始之前就已显著增加;弯道行驶时驾驶员心率会增加,弯道越急、心率增加值越大,在圆曲线范围内,转向盘转角值在达到峰值之后即刻开始回调,即并不是固定在某一个位置;不管是超车工况还是弯道行驶工况,驾驶员的心率增长率与转向盘转速之间都存在很强的正相关性,但超车时驾驶员的心率增长率对转向盘转速更敏感。
[Abstract]:In order to confirm the correlation between steering wheel speed and driving load, a long mileage natural driving behavior real vehicle test was carried out on four complex two-lane highways in mountainous area. The heart rate signal and steering wheel input data of the subject driver were collected. The relationship between steering wheel speed and driving load was analyzed with heart rate growth rate HRI as intermediary. The results showed that the heart rate of the driver overtaking was significantly higher than that of the calm state, and the heart rate of the driver overtaking the large car was significantly higher than that of the minibus, and the heart rate had increased significantly before the beginning of the overtaking behavior. When driving at the bend, the driver's heart rate will increase, and the faster the bend is, the greater the heart rate will increase. In the range of the circle curve, the turning angle of the steering wheel begins to callback immediately after reaching the peak value, that is to say, it is not fixed in a certain position. There is a strong positive correlation between the driver's heart rate growth rate and the steering wheel speed, but the driver's heart rate growth rate is more sensitive to the steering wheel speed when overtaking.
【作者单位】： 重庆交通大学山地城市交通系统与安全重庆市重点实验室;重庆长安汽车股份有限公司;湖南南车时代电动汽车有限公司;
【基金】：“十二五”国家科技支撑计划项目(2014BAG01B06)
【分类号】：U491.254
本文编号：2513356
[Abstract]:In order to confirm the correlation between steering wheel speed and driving load, a long mileage natural driving behavior real vehicle test was carried out on four complex two-lane highways in mountainous area. The heart rate signal and steering wheel input data of the subject driver were collected. The relationship between steering wheel speed and driving load was analyzed with heart rate growth rate HRI as intermediary. The results showed that the heart rate of the driver overtaking was significantly higher than that of the calm state, and the heart rate of the driver overtaking the large car was significantly higher than that of the minibus, and the heart rate had increased significantly before the beginning of the overtaking behavior. When driving at the bend, the driver's heart rate will increase, and the faster the bend is, the greater the heart rate will increase. In the range of the circle curve, the turning angle of the steering wheel begins to callback immediately after reaching the peak value, that is to say, it is not fixed in a certain position. There is a strong positive correlation between the driver's heart rate growth rate and the steering wheel speed, but the driver's heart rate growth rate is more sensitive to the steering wheel speed when overtaking.
【作者单位】： 重庆交通大学山地城市交通系统与安全重庆市重点实验室;重庆长安汽车股份有限公司;湖南南车时代电动汽车有限公司;
【基金】：“十二五”国家科技支撑计划项目(2014BAG01B06)
【分类号】：U491.254
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