Investigating trade‐offs between optimal mobile photo enforcement programme plans

Li Yang; Xie Jiaohong; Kim Amy M.; El‐Basyouny Karim

摘要

Abstract > Agencies that manage mobile photo enforcement (MPE) programmes must decide where and when to send their limited resources to monitor compliance with speed limits. Usually, the goal is to select locations based on a number of concerns (i.e., high collision sites, high speed violation sites, school zones, etc.), which, in most cases, is conflicting. If certain locations are given more MPE resources, then by definition, other locations will receive less attention, and vice versa. This paper aims to provide insights about such MPE programme trade‐offs. We present a systematic procedure for interpreting the results of a multiobjective MPE resource allocation problem. The procedure consists of three steps: (a) Pareto front (PF) generation, (b) front representation, and (c) trade‐off analysis. First, in generating a PF, we sequentially apply two well‐known scalar optimization methods to obtain a comprehensive set of Pareto‐optimal solutions. Second, the type="mathematics"> K ‐medoids clustering algorithm and the silhouette index are adopted to partition the generated PF into similar‐sized clusters, in order to help MPE programme agencies choose from a reduced set of solutions on the PF. Third, we use the response surface method to determine trade‐off patterns on the PF. The results of the front generation analysis showed that applying two optimization methods together resulted in a nearly complete PF with a relatively uniform and dense spread of solutions. Consequently, the identified set of solutions (i.e., 13,210 cases) was further partitioned into 12 clusters by silhouette index and type="mathematics"> K ‐medoids. With the aim of reducing decision fatigue for agencies, each cluster's representative solution is considered a possible MPE resource allocation candidate. The trade‐off analysis indicated how much one must sacrifice in the other objectives in order to increase attainment of one particular objective. Finally, the trade‐off rate and elasticity were used to explore the quantitative relationship between the considered objectives. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><Abstract Type =“Main”XML：Lang =“en”> <标题类型=“main”>抽象</ title> > 管理移动照片强制（MPE）程序的代理商必须决定在哪里以及何时发送其有限的资源，以监控符合速度限制。通常，目标是根据许多问题（即，高碰撞站点，高速违规站点，学校区）选择位置，在大多数情况下，这是冲突的。如果某些位置被提供更多MPE资源，则根据定义，其他位置将不太关注，反之亦然。本文旨在为这些MPE计划权衡提供洞察力。我们提出了一种解释多目标MPE资源分配问题的结果的系统过程。该过程由三个步骤组成：（a）帕累托前（PF）生成，（b）正面表示，和（c）权衡分析。首先，在生成PF时，我们顺序地应用了两个众所周知的标量优化方法，以获得全面的帕累托 - 最佳解决方案。第二， type =“mathematics”> k </ i> </ span> -Medoids集群算法和轮廓索引被采用将生成的PF分配成相似大小的集群，以帮助MPE计划机构从PF上的减少的一组解决方案中选择。第三，我们使用响应曲面方法来确定PF上的权衡模式。前一代分析的结果表明，应用两种优化方法在一起产生几乎完全的PF，其溶液的溶液相对均匀和致密。因此，通过剪影指数和剪影指数进一步将鉴定的溶液（即13,210例）分为12个簇。 type =“mathematics”> k </ i> </ span> -medoids。旨在减少代理商的决策疲劳，每个集群的代表性解决方案被认为是可能的MPE资源分配候选者。权衡分析表明必须在其他目标中牺牲多少，以增加一个特定目标的目标。最后，使用权衡率和弹性来探讨所考虑的目标之间的定量关系。 </ p> </摘要> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" > 著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-35605/'>《Journal of Multi-Criteria Decision Analysis 》</a> <b style="margin: 0 2px;">|</b><span>2019年第2期</span><b style="margin: 0 2px;">|</b> <span>共11页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Li Yang&option=202" target="_blank" rel="nofollow">Li Yang;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Xie Jiaohong&option=202" target="_blank" rel="nofollow">Xie Jiaohong;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Kim Amy M.&option=202" target="_blank" rel="nofollow">Kim Amy M.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=El‐Basyouny Karim&option=202" target="_blank" rel="nofollow">El‐Basyouny Karim;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>Department of Civil and Environmental EngineeringUniversity of AlbertaEdmonton Alberta Canada;</p> <p>Department of Civil and Environmental EngineeringUniversity of AlbertaEdmonton Alberta Canada;</p> <p>Department of Civil and Environmental EngineeringUniversity of AlbertaEdmonton Alberta Canada;</p> <p>Department of Civil and Environmental EngineeringUniversity of AlbertaEdmonton Alberta Canada;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li> <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span> <a href="https://www.zhangqiaokeyan.com/clc/44.html" title="心理学">心理学 ;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=mobile photo enforcement programme planning&option=203" rel="nofollow">mobile photo enforcement programme planning;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=multiobjective optimization&option=203" rel="nofollow">multiobjective optimization;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Pareto front analysis&option=203" rel="nofollow">Pareto front analysis;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=resource allocation&option=203" rel="nofollow">resource allocation;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=trade‐off analysis&option=203" rel="nofollow">trade‐off analysis;</a> </p> <div class="translation"> 机译：移动照片强制计划规划;多目标优化;Pareto正面分析;资源分配;权衡分析; 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