China Safety Science Journal ›› 2023, Vol. 33 ›› Issue (8): 182-189.doi: 10.16265/j.cnki.issn1003-3033.2023.08.1356

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Research on reliability optimization of airport passenger security system

ZHAO Zhenwu(), WANG Junjie, ZHANG Yi   

  1. School of Safety Science and Engineering, Civil Aviation University of China, Tianjin 300300, China
  • Received:2023-02-15 Revised:2023-05-21 Online:2023-10-08 Published:2024-02-28

Abstract:

In order to improve the reliability of the airport passenger security system, the dual-device parallel security system was adopted. The security system consisted of a walk-through metal door and the millimeter wave body imaging device. According to the performance indicators of each equipment and passenger allocation rules, the system's false clear rate and false alarm rate were constructed by using probability theory. Formulating an optimization model of minimizing false clear rate, the particle swarm optimization(PSO) algorithm was used to solve problems limited by false alarm rate and device inspection time. The results show that using optimal decision variables can make the minimum false clear rate fluctuate in the range of 0.008 5-0.01. When the proportion of passengers carrying threat items increases, the minimum false clear rate will increase. When the upper limit of false alarm rate increases, the minimum false clear will first decrease and then stabilize.

Key words: airport passenger, security system, reliability, optimization model, false clear rate, false alarm rate