锵锵锵~“果酱博士”新鲜出炉，大家快来围观吧！
不知道小伙伴们有没有关注本周的博思论坛呢，三位优秀又帅气的博士学长在分享结束后着实收获了一批迷弟迷妹呀~
想认识更多的科研大牛？没问题！小编接下来就为大家介绍来自交通运输工程学院的四位国奖博士，一起来看看吧！
01
他 是
/
高源发
学院：交通运输工程学院
邮箱：1205316034@qq.com
研究方向：物流系统规划与设计、物流园区设施布局、物流园区内部交通组织
获得奖项
◆ 第十二届全国研究生数学建模竞赛国家三等奖
◆2014年TiC100智慧城市与物联网创新创业竞赛卓越创新银奖
发表论文
【1】孙焰, 高源发, 郑文家. 物流枢纽对周边交通影响分析[J]. 武汉理工大学学报(交通科学与工程版), 2014, 38(6):1188-1192. （中文核心）
【2】Gao Y, Sun Y. Genetic Algorithm for Optimizing the Layout of Logistics Park Based on Shortest Path and Elitist Strategy[J]. Journal of Information & Computational Science, 2015, 12(10):3765-3774. (EI)
【3】Zheng W, Gao Y. Traffic Impact Analysis on Interior Logistics Hub Based on Genetic Algorithm of Operation Sequencing[J]. Journal of Information & Computational Science, 2015, 12(13):5197-5205. (EI)
【4】Gao Y, Sun Y. A new model for function areas layout in logistics park considering the impact of traffic organization[C]// IEEE, International Conference on Intelligent Transportation Systems. IEEE, 2016:2339-2345. (EI)
【5】孙焰, 高源发. 基于交通组织的物流园区功能区块布局[J]. 同济大学学报(自然科学版), 2017, 45(3):369-376. (EI)
最新发表论文及摘要
基于交通组织的物流园区功能区块布局
摘要：
将物流园区内部交通网络和货车行驶时间引入布局模型中，并考虑货车通过交叉口的时间，构建了基于交通组织的物流园区功能区块布局模型.设计遗传算法，在染色体转化为布局方案后，抽象出内部交通网络，在全有全无交通组织的基础上计算车辆行驶时间，所得到的结果更符合实际要求.结果表明，相比现有模型，按该布局车辆行驶时间平均可以减少9.5%.
链接地址：
http://tjxb.cnjournals.cn/ch/reader/view_abstract.aspx?file_no=16208&flag=1
—— 博士说 ——
我想说，每个人都会经历迷茫和痛苦，自己给自己的信心比任何良方都有效，同时我也建议大家见识科研外的世界，了解问题的实际背景、现实壁垒能够帮助我们在科研中全面思考。
”偷偷告诉你们，我们有邀请到高学长来参加本学期的直播接力活动哦~敬请期待！
02
他 是
/
俞春辉
学院：交通运输工程学院
邮箱：13ych@tongji.edu.cn
研究方向：面向多模式交通流的交通控制、基于车联网及自动驾驶车的交通控制
获得奖项
2016, 同济大学韩国龙一等奖学金
2015, 博士研究生国家奖学金
2015, 优秀学生标兵荣誉称号
2014, 同济大学华特奖学金
2013, 同济大学优秀博士新生奖学金
2013, “同济佩昆交通人才基金”奖学金
2013, 上海市普通高等学校优秀毕业生
2013, 同济大学本科优秀毕业论文
2012, 上海市奖学金
2011，2010, 国家奖学金
2012, 2011, 2010, 同济大学一等奖学金
2012, 全国大学生数学建模大赛上海赛区一等奖、全国二等奖
2011, 同济大学数学建模校内赛一等奖
2010, 同济大学高等数学竞赛一等奖
2011, 同济大学优秀学生标兵荣誉称号
2010, 同济大学优秀学生荣誉称号
嘻嘻，看到这么多的奖项是不是觉得受到了惊吓？俞学长是国家公派美国密歇根大学安娜堡校区联合培养博士研究生，同时他还受邀担任以下国际期刊审稿人哦：
Transportation Research Part C: Emerging Technologies (SCIE, IF-3.805)
Journal of Intelligent Transportation Systems: Technology, Planning, and Operations (SCIE, IF-1.769)
IET Intelligent Transport Systems (SCIE, IF-1.194)
发表论文 / 会议报告
发表论文
【1】Yu, C., Ma, W., Han, K., Yang, X., 2017. Optimization of Vehicle and Pedestrian Signals at Isolated Intersections. Transportation Research Part B: Methodological 98, 135-153. (SCIE, IF-3.769)
【2】Yu, C., Ma, W., Lo, H.K., Yang, X., 2017. Robust Optimal Lane Allocation for Isolated Intersections. Computer-Aided Civil and Infrastructure Engineering 32, 72-86. (SCIE, IF-5.786)
【3】Yu, C., Ma, W., Yang, X., 2016. Integrated Optimization of Location and Signal Timings for Midblock Pedestrian Crosswalk. Journal of Advanced Transportation 50, 552-569. (SCIE, IF-1.813)
【4】Yu, C., Ma, W., Lo, H.K., Yang, X., 2015. Optimization of Mid-Block Pedestrian Crossing Network with Discrete Demands. Transportation Research Part B: Methodological 73, 103-121. (SCIE, IF-3.769)
【5】俞春辉,杨晓光,马万经. 考虑随机需求的出租车上客区泊位设置模式和规模优化方法[J]. 中国公路学报,2015,28(3):102-109. (EI, IF-1.751)
会议报告
【1】Yu, C., Sun, W., Liu, H.X. Yang, X., 2017. Managing Automated Vehicles at an Isolated Intersection with High Traffic Demand, Automated Vehicles Symposium 2017. Association for Unmanned Vehicle Systems International, San Francisco.
【2】Yu, C., Feng, Y., Liu, H.X., Ma, W., Yang, X., 2017. Lane-Based Integrated Optimization of Traffic Signals and Vehicle Trajectories for Isolated Urban Intersections, 96th Annual Meeting of the Transportation Research Board. Transportation Research Board, Washington, D.C.
【3】Yu, C., Ma, W., Yang, X., 2016. Convex Quadratic Program Model to Optimize Vehicle and Pedestrian Signals for Isolated Intersections, 95th Annual Meeting of the Transportation Research Board. Transportation Research Board, Washington, D.C.
【4】Yu, C., Ma, W., Yang, X., 2015. Integrated Design of Location and Signalization of Two-Stage Midblock Pedestrian Crosswalk, 94th Annual Meeting of the Transportation Research Board. Transportation Research Board, Washington, D.C.
【5】Yu, C., Yang, X., Yun, M., 2014. Method of Searching for Critical Links in Traffic Network Based on Link Redundancy, 93th Annual Meeting of the Transportation Research Board, Washington, D.C.
最新发表论文及摘要
Optimization of vehicle and pedestrian signals at isolated intersections
Abstract:
In most traffic signal optimization problems, pedestrian traffic at an intersection receives minor consideration compared to vehicular traffic, and usually in the form of simplistic and exogenous constraints (e.g., minimum green time). This could render the resulting signal timings sub-optimal especially in dense urban areas with significant pedestrian traffic, or when two-stage pedestrian crosswalks are present. This paper proposes a convex (quadratic) programming approach to optimize traffic signal timings for an isolated intersection with one- and two-stage crosswalks, assuming undersaturated vehicular traffic condition. Both vehicle and pedestrian traffic are integrated into a unified framework, where the total weighted delay of pedestrians and vehicles at different types of crosswalks (i.e. one- or two-stage) is adopted as the objective function, and temporal and spatial constraints (e.g. signal phasing plan and spatial capacity of the refuge island) are explicitly formulated. A case study demonstrates the impacts of incorporating pedestrian delay as well as geometric and spatial constraints (e.g., available space on the refuge island) in the signal optimization. A further analysis shows that a two-stage crosswalk may outperform a one-stage crosswalk in terms of both vehicle and pedestrian delays in some circumstances.
链接地址：
http://www.sciencedirect.com/science/article/pii/S0191261516300789
—— 博士说 ——
科研需要1%的灵感和99%的汗水。但大多数时候，我们远未到需要拼灵感的地步。科研的关键往往在于坚持。
”03
他 是
/
马子安
学院：交通运输工程学院
邮箱：14_zian@tongji.edu.cn
研究方向：驾驶行为建模，智能汽车规划决策
获得奖项
◆ 2017法雷奥创新挑战赛Top11
◆贵阳交通事故成因分析大赛一等奖
发表论文
【1】Ma Z, Xie J, Qi X, et al. Two‐Dimensional Simulation of Turning Behavior in Potential Conflict Area of Mixed‐Flow Intersections[J]. Computer-Aided Civil and Infrastructure Engineering, 2017, 32(5):412-428. (SCI, IF-5.786)
【2】Sun J, Ma Z, Chen X. Some observed features of traffic flow phase transition at urban expressway diverge bottlenecks[J]. Transportmetrica B. (SCI, IF-2.52, Accepted)
【3】Ma Z, Sun J, Wang Y. A two-dimensional simulation model for modelling turning vehicles at mixed-flow intersections[J]. Transportation Research Part C Emerging Technologies, 2017, 75(75):103-119. (SCI, IF-3.805)
【4】Sun J, Ma Z, Li T, et al. Development and application of an integrated traffic simulation and multi-driving simulators[J]. Simulation Modelling Practice & Theory, 2015, 59:1-17. (SCI, IF-1.954)
最新发表论文及摘要
Some observed features of traffic flow phase transition at urban expressway diverge bottlenecks
Abstract:
Recurring bottleneck sections are the direct cause of congestion in urban expressways and diverge bottlenecks can generate a more adverse impact on mainline flow. In this paper, two diverge bottlenecks were investigated using data collected from multiple days. The main findings are: (1) Relationship between Pre-Queue Flow (PQF) and Queue Discharge Flow (QDF) are related to diverge ratios. (2) Breakdown is triggered at the lane or lane group with the highest occupancy. (3) As soon as the occupancy of the initial lane or lane group rises to near 30%, the congestion begins to spread laterally to the rest of the lanes. (4) Different congestion propagation modes in the longitudinal direction are found using the spatiotemporal speed contour diagrams. (5) The recovery from congestion flow to free flow is the inverse process of that from free flow to congestion flow. These findings provided a detailed description of traffic flow phase transition that can be considered as a useful reference for theoretical studies and can help engineers to design traffic management schemes.
链接地址：
http://dx.doi.org/10.1080/21680566.2017.1336127
—— 博士说 ——
不断否定自己就是最大的进步。
”04
他 是
/
马成元
学院：交通运输工程学院
邮箱：1607359981@qq.com
研究方向：交通大数据分析
获得奖项
◆ 美国大学生数学建模比赛 二等奖
◆2017“云上贵州”智慧交通大数据应用创新大赛 优秀奖
发表论文
马成元，刘家希，白琳，邢泽钰，基于数据的公交车油耗分析与优化策略[C] 第十一届中国智能交通年会 2016.
最新发表论文及摘要
基于交通组织的物流园区功能区块布局
摘要：
将物流园区内部交通网络和货车行驶时间引入布局模型中，并考虑货车通过交叉口的时间，构建了基于交通组织的物流园区功能区块布局模型.设计遗传算法，在染色体转化为布局方案后，抽象出内部交通网络，在全有全无交通组织的基础上计算车辆行驶时间，所得到的结果更符合实际要求.结果表明，相比现有模型，按该布局车辆行驶时间平均可以减少9.5%.
链接地址：
http://tjxb.cnjournals.cn/ch/reader/view_abstract.aspx?file_no=16208&flag=1
—— 博士说 ——
优秀的时间管理能力+强大的自学能力+良好的心态=合格的Phd
与诸君共勉！
”也想让自己变得更加优秀？欢迎亲们继续关注“博思论坛”系列活动之——“直播接力”哟~
编辑｜汪嘉琪
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