{"id":"https://openalex.org/W7127605414","doi":"https://doi.org/10.48550/arxiv.2602.02531","title":"Hypersonic Flow Control: Generalized Deep Reinforcement Learning for Hypersonic Intake Unstart Control under Uncertainty","display_name":"Hypersonic Flow Control: Generalized Deep Reinforcement Learning for Hypersonic Intake Unstart Control under Uncertainty","publication_year":2026,"publication_date":"2026-01-27","ids":{"openalex":"https://openalex.org/W7127605414","doi":"https://doi.org/10.48550/arxiv.2602.02531"},"language":null,"primary_location":{"id":"pmh:doi:10.48550/arxiv.2602.02531","is_oa":true,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4406922384","display_name":"Open MIND","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":null,"any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5125022390","display_name":"Trishit Mondal","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Mondal, Trishit","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5061905151","display_name":"Ameya D. Jagtap","orcid":"https://orcid.org/0000-0002-8831-1000"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jagtap, Ameya D.","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5125022390"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"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/T10173","display_name":"Computational Fluid Dynamics and Aerodynamics","score":0.43790000677108765,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T10173","display_name":"Computational Fluid Dynamics and Aerodynamics","score":0.43790000677108765,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T11206","display_name":"Model Reduction and Neural Networks","score":0.27379998564720154,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12007","display_name":"Plasma and Flow Control in Aerodynamics","score":0.07819999754428864,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/mach-number","display_name":"Mach number","score":0.666100025177002},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.649399995803833},{"id":"https://openalex.org/keywords/hypersonic-speed","display_name":"Hypersonic speed","score":0.6444000005722046},{"id":"https://openalex.org/keywords/hypersonic-flight","display_name":"Hypersonic flight","score":0.5331000089645386},{"id":"https://openalex.org/keywords/controller","display_name":"Controller (irrigation)","score":0.47429999709129333},{"id":"https://openalex.org/keywords/flow","display_name":"Flow (mathematics)","score":0.43560001254081726},{"id":"https://openalex.org/keywords/solver","display_name":"Solver","score":0.42480000853538513},{"id":"https://openalex.org/keywords/range","display_name":"Range (aeronautics)","score":0.3910999894142151},{"id":"https://openalex.org/keywords/propulsion","display_name":"Propulsion","score":0.365200012922287}],"concepts":[{"id":"https://openalex.org/C165231844","wikidata":"https://www.wikidata.org/wiki/Q160669","display_name":"Mach number","level":2,"score":0.666100025177002},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.649399995803833},{"id":"https://openalex.org/C122824865","wikidata":"https://www.wikidata.org/wiki/Q830787","display_name":"Hypersonic speed","level":2,"score":0.6444000005722046},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5763000249862671},{"id":"https://openalex.org/C198813307","wikidata":"https://www.wikidata.org/wiki/Q3523908","display_name":"Hypersonic flight","level":3,"score":0.5331000089645386},{"id":"https://openalex.org/C203479927","wikidata":"https://www.wikidata.org/wiki/Q5165939","display_name":"Controller (irrigation)","level":2,"score":0.47429999709129333},{"id":"https://openalex.org/C38349280","wikidata":"https://www.wikidata.org/wiki/Q1434290","display_name":"Flow (mathematics)","level":2,"score":0.43560001254081726},{"id":"https://openalex.org/C2778770139","wikidata":"https://www.wikidata.org/wiki/Q1966904","display_name":"Solver","level":2,"score":0.42480000853538513},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.3910999894142151},{"id":"https://openalex.org/C1034443","wikidata":"https://www.wikidata.org/wiki/Q2583685","display_name":"Propulsion","level":2,"score":0.365200012922287},{"id":"https://openalex.org/C186766456","wikidata":"https://www.wikidata.org/wiki/Q612457","display_name":"Flow control (data)","level":2,"score":0.36160001158714294},{"id":"https://openalex.org/C182748727","wikidata":"https://www.wikidata.org/wiki/Q178932","display_name":"Reynolds number","level":3,"score":0.3513999879360199},{"id":"https://openalex.org/C527307","wikidata":"https://www.wikidata.org/wiki/Q370906","display_name":"Angle of attack","level":3,"score":0.3441999852657318},{"id":"https://openalex.org/C31531917","wikidata":"https://www.wikidata.org/wiki/Q915157","display_name":"Robust control","level":3,"score":0.3357999920845032},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.3314000070095062},{"id":"https://openalex.org/C2781300812","wikidata":"https://www.wikidata.org/wiki/Q178061","display_name":"Shock (circulatory)","level":2,"score":0.3138999938964844},{"id":"https://openalex.org/C13393347","wikidata":"https://www.wikidata.org/wiki/Q8424","display_name":"Aerodynamics","level":2,"score":0.3037000000476837},{"id":"https://openalex.org/C77576233","wikidata":"https://www.wikidata.org/wiki/Q1545856","display_name":"Flow separation","level":3,"score":0.30320000648498535},{"id":"https://openalex.org/C97541855","wikidata":"https://www.wikidata.org/wiki/Q830687","display_name":"Reinforcement learning","level":2,"score":0.3000999987125397},{"id":"https://openalex.org/C133731056","wikidata":"https://www.wikidata.org/wiki/Q4917288","display_name":"Control engineering","level":1,"score":0.29170000553131104},{"id":"https://openalex.org/C107464732","wikidata":"https://www.wikidata.org/wiki/Q235781","display_name":"Adaptive control","level":3,"score":0.28679999709129333},{"id":"https://openalex.org/C1633027","wikidata":"https://www.wikidata.org/wiki/Q815820","display_name":"Computational fluid dynamics","level":2,"score":0.27489998936653137},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.27469998598098755},{"id":"https://openalex.org/C17500928","wikidata":"https://www.wikidata.org/wiki/Q959968","display_name":"Control system","level":2,"score":0.2727000117301941},{"id":"https://openalex.org/C56278489","wikidata":"https://www.wikidata.org/wiki/Q60591","display_name":"Scramjet","level":4,"score":0.265500009059906},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.26100000739097595}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:doi:10.48550/arxiv.2602.02531","is_oa":true,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4406922384","display_name":"Open MIND","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"},{"id":"doi:10.48550/arxiv.2602.02531","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2602.02531","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":{"id":"pmh:doi:10.48550/arxiv.2602.02531","is_oa":true,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4406922384","display_name":"Open MIND","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.8342335820198059,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"The":[0,59,95],"hypersonic":[1,49,172],"unstart":[2,44],"phenomenon":[3],"poses":[4],"a":[5,32,46,103,152,167],"major":[6],"challenge":[7],"to":[8,42,118],"reliable":[9],"air-breathing":[10],"propulsion":[11],"at":[12,51],"Mach":[13,52],"5":[14,53],"and":[15,21,54,79,128,151],"above,":[16],"where":[17],"strong":[18,138],"shock-boundary-layer":[19],"interactions":[20],"rapid":[22],"pressure":[23],"fluctuations":[24],"can":[25],"destabilize":[26],"inlet":[27,50,101],"operation.":[28],"Here,":[29],"we":[30],"demonstrate":[31],"deep":[33],"reinforcement":[34],"learning":[35,86],"(DRL)-":[36],"based":[37],"active":[38],"flow":[39,72,80,173],"control":[40,43,89,174],"strategy":[41],"in":[45,144],"canonical":[47],"two-dimensional":[48],"Reynolds":[55,126],"number":[56],"$5\\times":[57],"10^6$.":[58],"in-house":[60],"CFD":[61],"solver":[62],"enables":[63],"high-fidelity":[64],"simulations":[65],"with":[66,133],"adaptive":[67],"mesh":[68],"refinement,":[69],"resolving":[70],"key":[71],"features,":[73],"including":[74,122],"shock":[75],"motion,":[76],"boundary-layer":[77],"dynamics,":[78],"separation,":[81],"that":[82],"are":[83],"essential":[84],"for":[85,92,170],"physically":[87],"consistent":[88],"policies":[90],"suitable":[91],"real-time":[93,171],"deployment.":[94],"DRL":[96],"controller":[97],"robustly":[98],"stabilizes":[99],"the":[100,145],"over":[102],"wide":[104],"range":[105],"of":[106,110,147],"back":[107],"pressures":[108],"representative":[109],"varying":[111],"combustion":[112],"chamber":[113],"conditions.":[114],"It":[115],"further":[116],"generalizes":[117],"previously":[119],"unseen":[120],"scenarios,":[121],"different":[123],"back-pressure":[124],"levels,":[125],"numbers,":[127],"sensor":[129,149,156],"configurations,":[130],"while":[131],"operating":[132],"noisy":[134,148],"measurements,":[135,150],"thereby":[136],"demonstrating":[137],"zero-shot":[139],"generalization.":[140],"Control":[141],"remains":[142],"robust":[143],"presence":[146],"minimal,":[153],"optimally":[154],"selected":[155],"set":[157],"achieves":[158],"comparable":[159],"performance,":[160],"enabling":[161],"practical":[162],"implementation.":[163],"These":[164],"results":[165],"establish":[166],"data-driven":[168],"approach":[169],"under":[175],"realistic":[176],"operational":[177],"uncertainties.":[178]},"counts_by_year":[],"updated_date":"2026-05-05T08:41:31.759640","created_date":"2026-02-06T00:00:00"}
