{"id":1168,"date":"2024-03-11T14:09:42","date_gmt":"2024-03-11T14:09:42","guid":{"rendered":"https:\/\/faculty.eng.ufl.edu\/lilidu\/?page_id=1168"},"modified":"2026-01-09T19:22:09","modified_gmt":"2026-01-09T19:22:09","slug":"modeling-information-flow-dynamics-upon-traffic-flow-dynamics","status":"publish","type":"page","link":"https:\/\/faculty.eng.ufl.edu\/lilidu\/research\/modeling-information-flow-dynamics-upon-traffic-flow-dynamics\/","title":{"rendered":"Modeling Information Flow Dynamics upon Traffic Flow Dynamics"},"content":{"rendered":"<h2>Modeling Information Flow Dynamics upon Traffic Flow Dynamics<\/h2>\n<p>Vehicle-to-Vehicle (V2V) communication via DSRC (Dedicated Short Range Communications) provides real-time information for traffic prediction and management, but we need tools to trace information availability. The team developed a mathematical simulation framework (see Figure 6) to trace V2V information propagation dynamics built upon traffic flow dynamics. <em>Through<\/em> multiple journal papers, we made the contributions as follows.<\/p>\n<ol>\n<li>Developed mathematical formulations to characterize the connectivity, broadcast capacity, and interference of V2V communications in a traffic flow on road segments.<\/li>\n<li>Invented novel mathematical techniques to capture information propagation delay on a long-stretch of road, considering intermittent transmission resulting from traffic flow dynamics [21]; developed the information and traffic flow coupled cell transmission model (IT-CTM) to trace V2V information spreading dynamics on a road segment.<\/li>\n<li>Modeled V2V information dissemination dynamics at an <u>a<\/u>rterial or <u>r<\/u>amp intersection (IFNM-a(r)), integrated IFNM-a(r) and IT-CTM to trace information dissemination across a road network, and predicted information propagation dynamics to capture traffic congestion and events.<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-932 size-full\" src=\"https:\/\/faculty.eng.ufl.edu\/lilidu\/wp-content\/uploads\/sites\/164\/2023\/04\/output-onlinepngtools.png\" alt=\"\" width=\"2437\" height=\"811\" srcset=\"https:\/\/faculty.eng.ufl.edu\/lilidu\/wp-content\/uploads\/sites\/164\/2023\/04\/output-onlinepngtools.png 2437w, https:\/\/faculty.eng.ufl.edu\/lilidu\/wp-content\/uploads\/sites\/164\/2023\/04\/output-onlinepngtools-300x100.png 300w, https:\/\/faculty.eng.ufl.edu\/lilidu\/wp-content\/uploads\/sites\/164\/2023\/04\/output-onlinepngtools-1024x341.png 1024w, https:\/\/faculty.eng.ufl.edu\/lilidu\/wp-content\/uploads\/sites\/164\/2023\/04\/output-onlinepngtools-768x256.png 768w, https:\/\/faculty.eng.ufl.edu\/lilidu\/wp-content\/uploads\/sites\/164\/2023\/04\/output-onlinepngtools-1536x511.png 1536w, https:\/\/faculty.eng.ufl.edu\/lilidu\/wp-content\/uploads\/sites\/164\/2023\/04\/output-onlinepngtools-2048x682.png 2048w, https:\/\/faculty.eng.ufl.edu\/lilidu\/wp-content\/uploads\/sites\/164\/2023\/04\/output-onlinepngtools-600x200.png 600w\" sizes=\"auto, (max-width: 2437px) 100vw, 2437px\" \/><\/p>\n<p><em>Figure 6. (a) Information wavefront spreading over roadway network. (b) IT-CTM on a road segment. (c) Intermittent information propagation in a cell.<\/em><\/p>\n<p>Funding source: NSF award CMMI-1817346; First Nayar Prize at IIT; Toyota Donors<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Modeling Information Flow Dynamics upon Traffic Flow Dynamics Vehicle-to-Vehicle (V2V) communication via DSRC (Dedicated Short Range Communications) provides real-time information for traffic prediction and management, but we need tools to trace information availability. The team developed a mathematical simulation framework (see Figure 6) to trace V2V information propagation dynamics built upon traffic flow dynamics. Through [&hellip;]<\/p>\n","protected":false},"author":850,"featured_media":0,"parent":7,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-templates\/page-section-nav.php","meta":{"_acf_changed":false,"inline_featured_image":false,"featured_post":"","footnotes":"","_links_to":"","_links_to_target":""},"class_list":["post-1168","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/faculty.eng.ufl.edu\/lilidu\/wp-json\/wp\/v2\/pages\/1168","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/faculty.eng.ufl.edu\/lilidu\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/faculty.eng.ufl.edu\/lilidu\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/faculty.eng.ufl.edu\/lilidu\/wp-json\/wp\/v2\/users\/850"}],"replies":[{"embeddable":true,"href":"https:\/\/faculty.eng.ufl.edu\/lilidu\/wp-json\/wp\/v2\/comments?post=1168"}],"version-history":[{"count":4,"href":"https:\/\/faculty.eng.ufl.edu\/lilidu\/wp-json\/wp\/v2\/pages\/1168\/revisions"}],"predecessor-version":[{"id":1210,"href":"https:\/\/faculty.eng.ufl.edu\/lilidu\/wp-json\/wp\/v2\/pages\/1168\/revisions\/1210"}],"up":[{"embeddable":true,"href":"https:\/\/faculty.eng.ufl.edu\/lilidu\/wp-json\/wp\/v2\/pages\/7"}],"wp:attachment":[{"href":"https:\/\/faculty.eng.ufl.edu\/lilidu\/wp-json\/wp\/v2\/media?parent=1168"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}