講座：基于數(shù)據(jù)和信息融合的城市交通精細(xì)化建模( Fine-Grained Modeling of Arterial Traffic: A Data Fusion and Information Integration Approach)

主講人：孫湛博

時間：2016-12-21 15:00

地點(diǎn)：交通運(yùn)輸學(xué)院207室

講座摘要：

It is a longstanding goal for transportation researchers to model and understand how traffic distribute and propagate along road networks. In this research, a data fusion and information integration approach is proposed to model and interpret traffic along urban arterial corridors based on heterogeneous traffic data. The method attempts to deduce the “most probable” explanation that can integrate fixed-location data and mobile sensing data and match the vehicle records at upstream with those collected at downstream sensor locations. To make the probabilistic model more realistic, traffic knowledge such as lane choice decision, traffic merging and travel time information are calibrated using the historical dataset and then integrated into the model. By doing so, the model can obtain individual travel times of the matched data pairs, which can be directly used to estimate corridor travel times of individual vehicles. Results from the method can be further applied to estimate vehicle trajectories along arterial corridors, estimate individual vehicle-based fuel consumption/emissions, and help infer real-time queuing processes at signalized intersections.

主講人簡介：

孫湛博博士目前在西南交通大學(xué)交通運(yùn)輸與物流學(xué)院任教授。他于2009年在清華大學(xué)土木工程與建設(shè)管理系獲得學(xué)士學(xué)位。2014年在美國倫斯勒理工大學(xué)（Rensselaer Polytechnic Institute, RPI）土木與環(huán)境工程系獲得博士學(xué)位。同年8月進(jìn)入西密歇根大學(xué) (Western Michigan University) 土木與建設(shè)工程系任助理教授。孫博士的研究主要集中在基于車聯(lián)網(wǎng)、自動駕駛和移動交通檢測的城市交通系統(tǒng)建模與優(yōu)化控制，以及智能交通系統(tǒng)。他的研究也涉及了交通與隱私保護(hù)，車輛尾氣排放及濃度測算，和宜居城市等內(nèi)容。他最近的研究是基于數(shù)據(jù)和信息融合的精細(xì)化城市交通建模。該研究能夠用于提高交通出行時間估算精度，實(shí)時交通信號評價與優(yōu)化，以及考慮到時間和空間演變的交通尾氣排放與濃度的精細(xì)化評價。

迄今為止，孫博士在國際交通期刊和會議上發(fā)表論文30余篇，其中7篇發(fā)表在高水平交通期刊Transportation Research Part B， Transportation Research Part C，和IEEE Transactions on Intelligent Transportation Systems上。孫博士是Transportation Research Part C，IEEE Transactions on ITS等多個國際期刊的審稿人。他是美國交通研究委員會 (Transportation Research Board) 下屬國際合作（International Cooperation）常委會的年輕委員。