特殊時期地鐵安檢強化措施的優(yōu)化模型和社會福利分析
發(fā)布時間:2018-08-30 10:51
【摘要】:在城市承辦重大活動等特殊時期需要加強地鐵安檢措施防范恐怖襲擊。本文分析了特殊時期地鐵安檢增加手持金屬探測儀環(huán)節(jié)的實施效果,并與常態(tài)地鐵安檢措施進行比較。首先,構建了常態(tài)地鐵安檢和特殊時期地鐵安檢的優(yōu)化模型。其次,對比不同情境下手持金屬探測儀和X射線安檢儀等安檢措施對于潛在襲擊者的威懾、對普通乘客的出行便利性、社會福利的影響。最后進行重要參數敏感性的數值分析。研究表明,特殊時期地鐵安檢增加手持金屬探測儀環(huán)節(jié)后,可以降低物檢環(huán)節(jié)X射線安檢儀的最優(yōu)檢測精度要求,從而為普通乘客提供更多便利;但是常態(tài)安檢X射線安檢儀具有更高的檢測精度,能夠以更大概率識別出潛在襲擊者;只有在滿足特定條件下,特殊時期采取地鐵安檢強化措施才能夠提高整體的社會福利。
[Abstract]:It is necessary to strengthen subway security measures to prevent terrorist attacks during special periods such as major activities in cities. This paper analyzes the effect of adding hand-held metal detector to subway security inspection in special period, and compares it with normal subway security inspection measures. Firstly, the optimization model of normal subway security inspection and special subway security inspection is constructed. Secondly, the effects of hand-held metal detector and X-ray security detector on potential assailants, travel convenience and social welfare of ordinary passengers are compared in different situations. Finally, the sensitivity of important parameters is analyzed numerically. The research shows that the increase of hand-held metal detector in special period of subway security inspection can reduce the optimal precision requirement of X-ray security detector in physical inspection link, thus providing more convenience for ordinary passengers. But the normal security X-ray detector has higher detection accuracy and can identify potential attackers with greater probability. Only under the special conditions, the special period of subway security inspection can improve the overall social welfare.
【作者單位】: 東北財經大學經濟學院;東北財經大學管理科學與工程學院;
【基金】:國家自然科學基金資助項目(71271045,71571033,71503033,71602021) 東北財經大學學科建設支持計劃特色學科項目(XKT-201411)
【分類號】:D631.4
本文編號:2212849
[Abstract]:It is necessary to strengthen subway security measures to prevent terrorist attacks during special periods such as major activities in cities. This paper analyzes the effect of adding hand-held metal detector to subway security inspection in special period, and compares it with normal subway security inspection measures. Firstly, the optimization model of normal subway security inspection and special subway security inspection is constructed. Secondly, the effects of hand-held metal detector and X-ray security detector on potential assailants, travel convenience and social welfare of ordinary passengers are compared in different situations. Finally, the sensitivity of important parameters is analyzed numerically. The research shows that the increase of hand-held metal detector in special period of subway security inspection can reduce the optimal precision requirement of X-ray security detector in physical inspection link, thus providing more convenience for ordinary passengers. But the normal security X-ray detector has higher detection accuracy and can identify potential attackers with greater probability. Only under the special conditions, the special period of subway security inspection can improve the overall social welfare.
【作者單位】: 東北財經大學經濟學院;東北財經大學管理科學與工程學院;
【基金】:國家自然科學基金資助項目(71271045,71571033,71503033,71602021) 東北財經大學學科建設支持計劃特色學科項目(XKT-201411)
【分類號】:D631.4
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