{"id":"https://openalex.org/W41999183","doi":null,"title":"An integrated optimal control system for emergency evacuation","display_name":"An integrated optimal control system for emergency evacuation","publication_year":2007,"publication_date":"2007-06-11","ids":{"openalex":"https://openalex.org/W41999183","mag":"41999183"},"language":"en","primary_location":{"id":"pmh:oai:drum.lib.umd.edu:1903/7018","doi":null,"is_oa":false,"landing_page_url":"http://hdl.handle.net/1903/7018","pdf_url":null,"source":{"id":"https://openalex.org/S4306401518","display_name":"University Libraries (University of Maryland)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I66946132","host_organization_name":"University of Maryland, College Park","host_organization_lineage":["https://openalex.org/I66946132"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Dissertation"},"volume":null,"type":"dissertation","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100414437","display_name":"Ying Liu","orcid":"https://orcid.org/0000-0003-2795-0607","observed_orcids":["https://orcid.org/0000-0003-2795-0607"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Ying Liu","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-2795-0607","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5100414437"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10524","display_name":"Traffic control and management","score":0.6104000210762024,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10524","display_name":"Traffic control and management","score":0.6104000210762024,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11500","display_name":"Evacuation and Crowd Dynamics","score":0.37450000643730164,"subfield":{"id":"https://openalex.org/subfields/3311","display_name":"Safety Research"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10698","display_name":"Transportation Planning and Optimization","score":0.007199999876320362,"subfield":{"id":"https://openalex.org/subfields/3313","display_name":"Transportation"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/emergency-evacuation","display_name":"emergency evacuation","score":0.9629999995231628},{"id":"https://openalex.org/keywords/intersection-signal-control","display_name":"intersection signal control","score":0.8679999709129333},{"id":"https://openalex.org/keywords/traffic-routing","display_name":"traffic routing","score":0.8949999809265137},{"id":"https://openalex.org/keywords/hierarchical-control-architecture","display_name":"hierarchical control architecture","score":0.7760000228881836},{"id":"https://openalex.org/keywords/cell-transmission-model","display_name":"cell transmission model","score":0.8700000047683716},{"id":"https://openalex.org/keywords/genetic-algorithm-heuristic","display_name":"genetic algorithm heuristic","score":0.890999972820282},{"id":"https://openalex.org/keywords/macroscopic-traffic-simulation","display_name":"macroscopic traffic simulation","score":0.7549999952316284},{"id":"https://openalex.org/keywords/network-congestion-reduction","display_name":"network congestion reduction","score":0.5799999833106995}],"concepts":[{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.43901675939559937},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3907373547554016},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3515012562274933},{"id":"https://openalex.org/C42475967","wikidata":"https://www.wikidata.org/wiki/Q194292","display_name":"Operations research","level":1,"score":0.3260266184806824},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1044115424156189}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:drum.lib.umd.edu:1903/7018","doi":null,"is_oa":false,"landing_page_url":"http://hdl.handle.net/1903/7018","pdf_url":null,"source":{"id":"https://openalex.org/S4306401518","display_name":"University Libraries (University of Maryland)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I66946132","host_organization_name":"University of Maryland, College Park","host_organization_lineage":["https://openalex.org/I66946132"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Dissertation"},{"id":"mag:41999183","doi":null,"is_oa":false,"landing_page_url":"https://drum.lib.umd.edu/bitstream/1903/7018/1/umi-umd-4551.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","score":0.9333000183105469,"display_name":"Sustainable cities and communities"},{"id":"https://metadata.un.org/sdg/9","score":0.651199996471405,"display_name":"Industry, innovation and infrastructure"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W291991499","https://openalex.org/W1913829020","https://openalex.org/W612938552","https://openalex.org/W2355129126","https://openalex.org/W1587330580","https://openalex.org/W194210105","https://openalex.org/W2038548606","https://openalex.org/W2141250852","https://openalex.org/W794711365","https://openalex.org/W7137306300"],"abstract_inverted_index":{"How":[0],"to":[1,19,70,89,92,118,135,159,183,227],"effectively":[2,262,307],"control":[3,38,50,68,163,274,283,312],"evacuation":[4,41,94,106,174,192,236,291,304,323],"traffic":[5,37,53,91,189,237,265],"has":[6,33,196,217],"emerged":[7],"as":[8,156,276,278],"one":[9],"of":[10,48,108,187,235,242,252],"the":[11,20,26,105,124,133,137,153,161,167,172,179,185,204,229,250,253,259,280,289,297,303,315,321],"critical":[12,162,180,316],"research":[13],"issues":[14],"in":[15,261],"transportation":[16],"community,":[17],"due":[18],"unusually":[21],"high":[22],"demand":[23,110],"surge":[24],"and":[25,59,77,103,145,165,232,256,292,306],"often":[27],"limited":[28],"network":[29,82,129,264,309],"capacity.":[30],"This":[31,194,215,245],"dissertation":[32,216],"developed":[34,198],"an":[35,199,211],"integrated":[36,282],"system":[39,64],"for":[40,80,100,112,239,271,279],"operations":[42,144],"that":[43,225,288],"may":[44],"require":[45],"concurrent":[46],"implementation":[47],"different":[49,93,109],"options,":[51],"including":[52],"routing,":[54],"contraflow":[55,101,143,293],"operation,":[56],"staged":[57,113,146,290],"evacuation,":[58],"intersection":[60,181,317],"signal":[61,169,324],"control.":[62],"The":[63,84,148,176,285],"applies":[65],"a":[66,72,220],"hierarchical":[67],"framework":[69],"achieve":[71],"trade-off":[73],"between":[74],"modeling":[75,263],"accuracy":[76],"operational":[78,139],"efficiency":[79,305],"large-scale":[81],"applications.":[83],"network-level":[85,154],"optimization":[86,150,243,254],"formulations":[87,125,177,299],"function":[88,158],"assign":[90],"corridors,":[95],"select":[96],"lane":[97],"reversal":[98],"configurations":[99],"operations,":[102],"identify":[104,160],"sequence":[107],"zones":[111],"evacuation.":[114,147],"With":[115],"special":[116],"constraints":[117],"approximate":[119],"flow":[120],"interactions":[121,234],"at":[122],"intersections,":[123],"have":[126],"introduced":[127],"two":[128],"enhancement":[130],"approaches":[131],"with":[132,142,210,314],"aim":[134],"capture":[136,228],"real-world":[138],"complexities":[140],"associated":[141],"corridor-level":[149],"formulations,":[151],"taking":[152],"decisions":[155],"input,":[157],"points":[164],"generate":[166],"optimal":[168],"timings":[170],"along":[171,209],"major":[173],"corridors.":[175],"feature":[178],"concept":[182,318],"reduce":[184,249,308],"interference":[186],"side-street":[188],"on":[190],"arterial":[191],"flows.":[193],"study":[195],"also":[197,218,319],"efficient":[200],"solution":[201],"method":[202],"using":[203],"Genetic":[205],"Algorithm":[206],"based":[207],"heuristics":[208],"embedded":[212],"macroscopic":[213],"simulator.":[214],"proposed":[219,298],"revised":[221],"cell":[222],"transmission":[223],"model":[224,246],"aims":[226],"complex":[230],"temporal":[231],"spatial":[233],"flows":[238],"both":[240],"levels":[241],"formulations.":[244],"can":[247,300],"significantly":[248],"size":[251],"problem,":[255],"yet":[257],"preserve":[258],"ability":[260],"dynamics.":[266],"Numerical":[267],"studies":[268],"were":[269],"conducted":[270],"each":[272],"individual":[273],"component":[275],"well":[277],"entire":[281],"system.":[284],"results":[286],"reveal":[287],"strategies":[294,313],"generated":[295],"from":[296],"substantially":[301],"improve":[302],"congestions.":[310],"Signal":[311],"outperform":[320],"state-of-the-practice":[322],"plans.":[325]},"counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-08-18T07:49:30.821534","created_date":"2016-06-24T00:00:00"}
