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營(yíng)運(yùn)車輛駕駛?cè)寺殬I(yè)適宜性評(píng)價(jià)指標(biāo)篩選

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  本文選題:營(yíng)運(yùn)駕駛 切入點(diǎn):職業(yè)適宜性 出處:《長(zhǎng)安大學(xué)》2014年碩士論文 論文類型:學(xué)位論文


【摘要】:營(yíng)運(yùn)駕駛?cè)顺袚?dān)著比普通駕駛?cè)烁蟮呢?zé)任,他們的駕駛行為直接關(guān)系到乘客和貨主的生命財(cái)產(chǎn)安全,因此,營(yíng)運(yùn)駕駛?cè)藨?yīng)該比普通駕駛?cè)艘懈叩臏?zhǔn)入機(jī)制,嚴(yán)防不適合從事職業(yè)駕駛作業(yè)任務(wù)的駕駛?cè)诉M(jìn)入到營(yíng)運(yùn)駕駛?cè)说年?duì)伍。而判定駕駛?cè)耸欠襁m宜從事職業(yè)駕駛工作,還需對(duì)駕駛?cè)说南鄳?yīng)指標(biāo)進(jìn)行檢測(cè),依據(jù)檢測(cè)結(jié)果來(lái)判定駕駛?cè)耸欠襁m合從事職業(yè)駕駛工作。 本文通過(guò)大量的理論分析以及參閱國(guó)內(nèi)外文獻(xiàn),分析了影響駕駛適宜性的因素;將駕駛行為劃分為感知-判斷決策-操作三個(gè)階段,為了能夠有效表征各個(gè)階段駕駛?cè)说男睦怼⑸碜兓,提取速度估?jì)、選擇反應(yīng)時(shí)間、選擇反應(yīng)錯(cuò)誤次數(shù)、深度知覺(jué)、動(dòng)體視力、暗適應(yīng)以及處置判斷作為評(píng)價(jià)駕駛適宜性的特征指標(biāo)。采集大量樣本數(shù)據(jù),以樣本數(shù)據(jù)為基礎(chǔ),將駕駛?cè)朔譃閮山M,,即事故組與無(wú)事故組,分別討論兩組駕駛?cè)说母鱾(gè)指標(biāo)特征的變化情況;在此基礎(chǔ)上,構(gòu)建基于主成分分析的駕駛?cè)寺殬I(yè)適宜性評(píng)價(jià)模型,通過(guò)提取主成分,降低問(wèn)題的復(fù)雜度,最終提取前四個(gè)主成分作為評(píng)價(jià)模型的新輸入。通過(guò)計(jì)算得出不同事故組駕駛?cè)说腅值得分,通過(guò)閾值判斷即可判定駕駛?cè)说念悇e,由于E值的閾值范圍對(duì)模型劃分駕駛?cè)祟愋陀绊戄^大,為此,本文將不同閾值區(qū)間長(zhǎng)度下模型劃分的準(zhǔn)確率作為選取閾值區(qū)間長(zhǎng)度的判定條件,最后確定的區(qū)間長(zhǎng)度為0.1,區(qū)間所在范圍為0~0.1,這就保證模型能夠以94%的準(zhǔn)確率區(qū)分開駕駛?cè)怂鶎兕悇e,從而為判定駕駛?cè)耸欠襁m合從事職業(yè)駕駛工作提供了一種思路。
[Abstract]:Operators bear more responsibility than ordinary drivers, and their driving behavior is directly related to the safety of the lives and property of passengers and cargo owners. Therefore, operators should have a higher access mechanism than ordinary drivers. Strictly guard against drivers who are not suitable for professional driving tasks and enter the ranks of operating drivers. To determine whether the driver is fit for professional driving, we also need to test the corresponding indicators of the driver. Based on the test results to determine whether the driver is suitable for professional driving. Through a large number of theoretical analysis and reference to domestic and foreign literature, this paper analyzes the factors affecting driving suitability, divides driving behavior into three stages: perception, judgment, decision making and operation. In order to effectively represent the psychological and physiological changes of the driver in each stage, to extract the estimation of speed, to select the reaction time, to select the number of errors in the reaction, to perceive the depth of the reaction, to observe the visual acuity of the moving body. Dark adaptation and disposal judgment are characteristic indicators to evaluate driving suitability. A large number of sample data are collected, and based on sample data, drivers are divided into two groups, that is, accident group and no-accident group. On the basis of this, the evaluation model of driver's professional suitability based on principal component analysis (PCA) is constructed to reduce the complexity of the problem by extracting the principal component. Finally, the first four principal components are extracted as the new input to the evaluation model. The E value of drivers in different accident groups is calculated, and the category of drivers can be determined by threshold judgment. Because the threshold range of E value has a great influence on the driver type of model division, the accuracy of model partition under different threshold interval length is taken as the criterion to select the threshold interval length in this paper. Finally, the length of the interval is determined to be 0.1, and the range of the interval is 0.0.1, which ensures that the model can distinguish the category of the driver with the accuracy of 94%, thus providing a way of thinking for judging whether the driver is suitable for professional driving.
【學(xué)位授予單位】:長(zhǎng)安大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2014
【分類號(hào)】:U471.3;U492.4

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