發(fā)布時間：2019-07-11 17:54

【摘要】：為證實(shí)轉(zhuǎn)向盤轉(zhuǎn)速與駕駛負(fù)荷之間的相關(guān)性,在4條山區(qū)復(fù)雜雙車道公路上開展了長里程的自然駕駛行為實(shí)車試驗(yàn),采集了被試駕駛員的心率信號和轉(zhuǎn)向盤輸入數(shù)據(jù),以心率增長率HRI為中介,分析了轉(zhuǎn)向盤轉(zhuǎn)速與駕駛負(fù)荷之間的關(guān)系。試驗(yàn)結(jié)果表明:駕駛員超車時的心率顯著高于平靜狀態(tài),超越大型車時的心率增長率明顯高于小客車,并且心率在超車行為開始之前就已顯著增加;彎道行駛時駕駛員心率會增加,彎道越急、心率增加值越大,在圓曲線范圍內(nèi),轉(zhuǎn)向盤轉(zhuǎn)角值在達(dá)到峰值之后即刻開始回調(diào),即并不是固定在某一個位置;不管是超車工況還是彎道行駛工況,駕駛員的心率增長率與轉(zhuǎn)向盤轉(zhuǎn)速之間都存在很強(qiáng)的正相關(guān)性,但超車時駕駛員的心率增長率對轉(zhuǎn)向盤轉(zhuǎn)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.
【作者單位】： 重慶交通大學(xué)山地城市交通系統(tǒng)與安全重慶市重點(diǎn)實(shí)驗(yàn)室;重慶長安汽車股份有限公司;湖南南車時代電動汽車有限公司;
【基金】：“十二五”國家科技支撐計劃項目(2014BAG01B06)
【分類號】：U491.254

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