連續(xù)駕駛時(shí)間下高原駕駛員適宜性模糊聚類評(píng)價(jià)
發(fā)布時(shí)間:2018-04-16 15:09
本文選題:高原駕駛員 + 綜合評(píng)價(jià)。 參考:《科學(xué)技術(shù)與工程》2017年10期
【摘要】:為了使高原駕駛員適宜性評(píng)價(jià)更加客觀準(zhǔn)確,從駕駛員疲勞角度出發(fā),將影響駕駛員疲勞的主要因素連續(xù)駕駛時(shí)間作為參照依據(jù),運(yùn)用模糊理論,對(duì)駕駛員視覺特性、速度估計(jì)特性、反應(yīng)特性、處置判斷特性4個(gè)方面進(jìn)行綜合評(píng)價(jià)。通過實(shí)地行車試驗(yàn)獲取20名駕駛員適宜性指標(biāo)數(shù)據(jù),對(duì)其中13名駕駛員樣本數(shù)據(jù)進(jìn)行模糊聚類,建立模糊相似矩陣與等價(jià)矩陣,依據(jù)聚類樣本駕駛員連續(xù)駕駛時(shí)間長短確定最佳閾值,并將駕駛員適宜性分為4類,最后將已聚類駕駛員樣本數(shù)據(jù)作為識(shí)別標(biāo)準(zhǔn),利用擇近原則對(duì)其余7名駕駛員進(jìn)行識(shí)別與評(píng)價(jià)。結(jié)果表明:將連續(xù)駕駛時(shí)間作為參照依據(jù),利用模糊聚類理論對(duì)駕駛員適宜性進(jìn)行評(píng)價(jià)的方法是可行的。
[Abstract]:In order to make the evaluation of driver suitability more objective and accurate, from the point of view of driver fatigue, the main factor affecting driver fatigue, continuous driving time, is taken as the reference basis and the fuzzy theory is used to analyze the driver's visual characteristics.The velocity estimation characteristic, the reaction characteristic and the disposition judgment characteristic are evaluated synthetically.In this paper, 20 drivers' suitability index data were obtained through field driving test, and 13 drivers' sample data were clustered by fuzzy clustering, and the fuzzy similarity matrix and equivalent matrix were established.The optimal threshold is determined according to the continuous driving time of the clustered sample driver, and the driver suitability is divided into 4 categories. Finally, the cluster driver sample data is used as the identification standard.The other 7 drivers were identified and evaluated by the principle of proximity selection.The results show that it is feasible to use fuzzy clustering theory to evaluate driver suitability based on continuous driving time.
【作者單位】: 新疆農(nóng)業(yè)大學(xué)機(jī)械交通學(xué)院;
【基金】:國家自然科學(xué)基金(51168045)資助
【分類號(hào)】:U491.25
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