{"id":"https://openalex.org/W4389543697","doi":"https://doi.org/10.3390/s23249748","title":"Turbofan Engine Health Assessment Based on Spatial\u2013Temporal Similarity Calculation","display_name":"Turbofan Engine Health Assessment Based on Spatial\u2013Temporal Similarity Calculation","publication_year":2023,"publication_date":"2023-12-11","ids":{"openalex":"https://openalex.org/W4389543697","doi":"https://doi.org/10.3390/s23249748","pmid":"https://pubmed.ncbi.nlm.nih.gov/38139595"},"language":"en","primary_location":{"id":"doi:10.3390/s23249748","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s23249748","pdf_url":"https://www.mdpi.com/1424-8220/23/24/9748/pdf?version=1702279008","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/23/24/9748/pdf?version=1702279008","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5086917524","display_name":"Cheng Peng","orcid":"https://orcid.org/0000-0002-1920-7488"},"institutions":[{"id":"https://openalex.org/I139660479","display_name":"Central South University","ror":"https://ror.org/00f1zfq44","country_code":"CN","type":"education","lineage":["https://openalex.org/I139660479"]},{"id":"https://openalex.org/I49934816","display_name":"Hunan University of Technology","ror":"https://ror.org/04j3vr751","country_code":"CN","type":"education","lineage":["https://openalex.org/I49934816"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Cheng Peng","raw_affiliation_strings":["School of Automation, Central South University, Changsha 410083, China","School of Computer, Hunan University of Technology, Zhuzhou 412007, China"],"affiliations":[{"raw_affiliation_string":"School of Automation, Central South University, Changsha 410083, China","institution_ids":["https://openalex.org/I139660479"]},{"raw_affiliation_string":"School of Computer, Hunan University of Technology, Zhuzhou 412007, China","institution_ids":["https://openalex.org/I49934816"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079028813","display_name":"Xin Hu","orcid":"https://orcid.org/0000-0002-4258-6746"},"institutions":[{"id":"https://openalex.org/I49934816","display_name":"Hunan University of Technology","ror":"https://ror.org/04j3vr751","country_code":"CN","type":"education","lineage":["https://openalex.org/I49934816"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xin Hu","raw_affiliation_strings":["School of Computer, Hunan University of Technology, Zhuzhou 412007, China"],"affiliations":[{"raw_affiliation_string":"School of Computer, Hunan University of Technology, Zhuzhou 412007, China","institution_ids":["https://openalex.org/I49934816"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5001933400","display_name":"Zhaohui Tang","orcid":"https://orcid.org/0000-0003-4132-4987"},"institutions":[{"id":"https://openalex.org/I139660479","display_name":"Central South University","ror":"https://ror.org/00f1zfq44","country_code":"CN","type":"education","lineage":["https://openalex.org/I139660479"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhaohui Tang","raw_affiliation_strings":["School of Automation, Central South University, Changsha 410083, China"],"affiliations":[{"raw_affiliation_string":"School of Automation, Central South University, Changsha 410083, China","institution_ids":["https://openalex.org/I139660479"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5079028813"],"corresponding_institution_ids":["https://openalex.org/I49934816"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":0.726,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":{"value":0.72043861,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"23","issue":"24","first_page":"9748","last_page":"9748"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10220","display_name":"Machine Fault Diagnosis Techniques","score":0.9871000051498413,"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/T10220","display_name":"Machine Fault Diagnosis Techniques","score":0.9871000051498413,"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/T10780","display_name":"Reliability and Maintenance Optimization","score":0.9704999923706055,"subfield":{"id":"https://openalex.org/subfields/2213","display_name":"Safety, Risk, Reliability and Quality"},"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/T14306","display_name":"Technology Assessment and Management","score":0.9538000226020813,"subfield":{"id":"https://openalex.org/subfields/2213","display_name":"Safety, Risk, Reliability and Quality"},"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/similarity","display_name":"Similarity (geometry)","score":0.7724995017051697},{"id":"https://openalex.org/keywords/mean-squared-error","display_name":"Mean squared error","score":0.639983057975769},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5514329075813293},{"id":"https://openalex.org/keywords/trajectory","display_name":"Trajectory","score":0.545598030090332},{"id":"https://openalex.org/keywords/turbofan","display_name":"Turbofan","score":0.5431673526763916},{"id":"https://openalex.org/keywords/sequence","display_name":"Sequence (biology)","score":0.528978705406189},{"id":"https://openalex.org/keywords/consistency","display_name":"Consistency (knowledge bases)","score":0.5122853517532349},{"id":"https://openalex.org/keywords/matching","display_name":"Matching (statistics)","score":0.49528971314430237},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.484679251909256},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.4763524532318115},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4184529781341553},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.39359715580940247},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3838765621185303},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.3716614246368408},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.12864649295806885},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.07630175352096558}],"concepts":[{"id":"https://openalex.org/C103278499","wikidata":"https://www.wikidata.org/wiki/Q254465","display_name":"Similarity (geometry)","level":3,"score":0.7724995017051697},{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.639983057975769},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5514329075813293},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.545598030090332},{"id":"https://openalex.org/C110050840","wikidata":"https://www.wikidata.org/wiki/Q654051","display_name":"Turbofan","level":2,"score":0.5431673526763916},{"id":"https://openalex.org/C2778112365","wikidata":"https://www.wikidata.org/wiki/Q3511065","display_name":"Sequence (biology)","level":2,"score":0.528978705406189},{"id":"https://openalex.org/C2776436953","wikidata":"https://www.wikidata.org/wiki/Q5163215","display_name":"Consistency (knowledge bases)","level":2,"score":0.5122853517532349},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.49528971314430237},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.484679251909256},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4763524532318115},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4184529781341553},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.39359715580940247},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3838765621185303},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.3716614246368408},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.12864649295806885},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.07630175352096558},{"id":"https://openalex.org/C171146098","wikidata":"https://www.wikidata.org/wiki/Q124192","display_name":"Automotive engineering","level":1,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.3390/s23249748","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s23249748","pdf_url":"https://www.mdpi.com/1424-8220/23/24/9748/pdf?version=1702279008","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},{"id":"pmid:38139595","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/38139595","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:pubmedcentral.nih.gov:10747073","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/10747073","pdf_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC10747073/pdf/sensors-23-09748.pdf","source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"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":"Sensors (Basel)","raw_type":"Text"},{"id":"pmh:oai:doaj.org/article:620fdc71ac8747ac8519906fe56e2b2e","is_oa":true,"landing_page_url":"https://doaj.org/article/620fdc71ac8747ac8519906fe56e2b2e","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors, Vol 23, Iss 24, p 9748 (2023)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/s23249748","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s23249748","pdf_url":"https://www.mdpi.com/1424-8220/23/24/9748/pdf?version=1702279008","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Responsible consumption and production","score":0.5099999904632568,"id":"https://metadata.un.org/sdg/12"}],"awards":[{"id":"https://openalex.org/G1033112384","display_name":null,"funder_award_id":"2023JJ50200","funder_id":"https://openalex.org/F4320322843","funder_display_name":"Natural Science Foundation of\u00a0Hunan Province"},{"id":"https://openalex.org/G1805427193","display_name":null,"funder_award_id":"2023JJ50200","funder_id":"https://openalex.org/F4320322866","funder_display_name":"Natural Science Foundation of Hainan Province"},{"id":"https://openalex.org/G3882335966","display_name":null,"funder_award_id":"22A0390","funder_id":"https://openalex.org/F4320322843","funder_display_name":"Natural Science Foundation of\u00a0Hunan Province"}],"funders":[{"id":"https://openalex.org/F4320322843","display_name":"Natural Science Foundation of\u00a0Hunan Province","ror":null},{"id":"https://openalex.org/F4320322866","display_name":"Natural Science Foundation of Hainan Province","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4389543697.pdf"},"referenced_works_count":33,"referenced_works":["https://openalex.org/W2005523062","https://openalex.org/W2120841219","https://openalex.org/W2773549135","https://openalex.org/W2794987257","https://openalex.org/W2978695322","https://openalex.org/W3120284962","https://openalex.org/W3130100540","https://openalex.org/W3158911546","https://openalex.org/W3178517998","https://openalex.org/W3189770395","https://openalex.org/W3205350811","https://openalex.org/W3215392094","https://openalex.org/W4206136923","https://openalex.org/W4210327330","https://openalex.org/W4224272085","https://openalex.org/W4225497339","https://openalex.org/W4293518972","https://openalex.org/W4294167279","https://openalex.org/W4309228384","https://openalex.org/W4311358050","https://openalex.org/W4324118460","https://openalex.org/W4362009348","https://openalex.org/W4362647131","https://openalex.org/W4362647143","https://openalex.org/W4379930355","https://openalex.org/W4381885874","https://openalex.org/W4382998740","https://openalex.org/W4383888779","https://openalex.org/W4385152143","https://openalex.org/W4385453015","https://openalex.org/W4385453132","https://openalex.org/W4385695942","https://openalex.org/W6791375994"],"related_works":["https://openalex.org/W4233568029","https://openalex.org/W2967774773","https://openalex.org/W3166075233","https://openalex.org/W2373556961","https://openalex.org/W2375127734","https://openalex.org/W4386141271","https://openalex.org/W2074007942","https://openalex.org/W837305724","https://openalex.org/W2380048437","https://openalex.org/W2357101623"],"abstract_inverted_index":{"Aiming":[0],"at":[1],"the":[2,5,16,21,28,32,56,63,67,73,76,82,85,93,99,105,111,116,121,131,134,137,146,150,153,157,161,175,180,184,189,202,210,226,230,240,250,254,264],"problem":[3],"of":[4,20,31,87,98,115,133,152,253,269],"remaining":[6,124,139,181,211,255],"useful":[7,36,125,212,256],"life":[8,37,117,126,190,213,257],"prediction":[9,38,118,191,251],"accuracy":[10,252],"being":[11],"too":[12],"low":[13],"due":[14],"to":[15,61,65,130,235],"complex":[17],"operating":[18],"conditions":[19],"aviation":[22],"turbofan":[23,270],"engine":[24],"data":[25],"set":[26,155],"and":[27,71,103,120,136,156,172,178,188,209,222,229,258,266],"original":[29],"noise":[30],"sensor,":[33],"a":[34,143],"residual":[35],"method":[39,148],"based":[40],"on":[41,225],"spatial-temporal":[42,58,78,170],"similarity":[43,74,107,112,135,162,177],"calculation":[44,113],"is":[45,50,108,127,233,243],"proposed.":[46],"The":[47,193],"first":[48],"stage":[49],"adaptive":[51],"sequence":[52,60,64,166],"matching,":[53],"which":[54,248],"uses":[55],"constructed":[57],"trajectory":[59,79],"match":[62],"find":[66],"optimal":[68],"matching":[69,167],"sample":[70],"calculate":[72],"between":[75,163],"two":[77,94],"sequences.":[80],"In":[81],"second":[83],"stage,":[84],"weights":[86],"each":[88],"part":[89],"are":[90,218],"assigned":[91],"by":[92,110,165,220,245],"weight":[95,100,185],"allocation":[96,186],"algorithms":[97],"training":[101,158],"module,":[102,119],"then":[104],"final":[106,122,176],"calculated":[109],"formula":[114],"predicted":[123],"determined":[128],"according":[129],"size":[132],"corresponding":[138],"life.":[140],"Compared":[141],"with":[142,168,199],"single":[144],"model,":[145],"proposed":[147],"emphasizes":[149],"consistency":[151],"test":[154],"set,":[159],"increases":[160],"samples":[164],"other":[169,200,238],"trajectories,":[171],"further":[173],"calculates":[174],"predicts":[179],"use":[182],"through":[183],"module":[187],"module.":[192],"experimental":[194],"results":[195],"show":[196],"that":[197,236],"compared":[198],"methods,":[201],"root":[203],"mean":[204],"square":[205],"error":[206],"(RMSE)":[207],"index":[208,217,232,242],"health":[214],"score":[215],"(Score)":[216],"reduced":[219,244],"12.6%":[221],"14.8%,":[223],"respectively,":[224],"FD004":[227],"dataset,":[228],"RMSE":[231],"similar":[234],"in":[237],"datasets;":[239],"Score":[241],"about":[246],"10%,":[247],"improves":[249],"can":[259],"provide":[260],"favorable":[261],"support":[262],"for":[263],"operation":[265],"maintenance":[267],"decision":[268],"engines.":[271]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1}],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-10T00:00:00"}