Simulation optimization in security screening systems subject to budget and waiting time constraints

Shing Chih Tsai, Huifen Chen, Honggang Wang, Zhe George Zhang

研究成果: Article同行評審

1 引文 斯高帕斯(Scopus)

摘要

Motivated by the NEXUS program between the US-Canada border, we consider a security screening process where travelers such as cars and trucks are assigned to a selectee or nonselectee lane depending on whether their threat values exceed a threshold level. The goal is to design a two-tier system to maximize the probability of detecting a threat subject to the waiting time and operating cost constraints. We formulate the problem as an optimization program, in which the objective function and some variables can be estimated only by simulation. We then develop algorithms to compute the global optimum, within a proposed bounding region, for the Markovian and non-Markovian systems, respectively. The convergence analysis and extensive numerical results are provided to demonstrate the algorithms' promising performance.

原文English
頁(從 - 到)920-936
頁數17
期刊Naval Research Logistics
68
發行號7
DOIs
出版狀態Published - 2021 10月

All Science Journal Classification (ASJC) codes

  • 建模與模擬
  • 海洋工程
  • 管理科學與經營研究

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