{"id":"https://openalex.org/W3012070417","doi":"https://doi.org/10.2514/1.i010777","title":"Optimization of Shop Visit for Aeroengine Using the Proportional Hazard Model","display_name":"Optimization of Shop Visit for Aeroengine Using the Proportional Hazard Model","publication_year":2020,"publication_date":"2020-03-10","ids":{"openalex":"https://openalex.org/W3012070417","doi":"https://doi.org/10.2514/1.i010777","mag":"3012070417"},"language":"en","primary_location":{"id":"doi:10.2514/1.i010777","is_oa":false,"landing_page_url":"https://doi.org/10.2514/1.i010777","pdf_url":null,"source":{"id":"https://openalex.org/S4210240151","display_name":"Journal of Aerospace Information Systems","issn_l":"2327-3097","issn":["2327-3097"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315709","host_organization_name":"American Institute of Aeronautics and Astronautics","host_organization_lineage":["https://openalex.org/P4310315709"],"host_organization_lineage_names":["American Institute of Aeronautics and Astronautics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Aerospace Information Systems","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"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/A5061166773","display_name":"Jing Cai","orcid":"https://orcid.org/0000-0001-5747-9399"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jing Cai","raw_affiliation_strings":["Nanjing University of Aeronautics and Astronautics, 211106 Nanjing, People\u2019s Republic of China","Nanjing University of Aeronautics and Astronautics, 211106 Nanjing, People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nanjing University of Aeronautics and Astronautics, 211106 Nanjing, People\u2019s Republic of China","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"Nanjing University of Aeronautics and Astronautics, 211106 Nanjing, People's Republic of China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057098327","display_name":"Xianbiao Wu","orcid":null},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xianbiao Wu","raw_affiliation_strings":["Nanjing University of Aeronautics and Astronautics, 211106 Nanjing, People\u2019s Republic of China","Nanjing University of Aeronautics and Astronautics, 211106 Nanjing, People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nanjing University of Aeronautics and Astronautics, 211106 Nanjing, People\u2019s Republic of China","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"Nanjing University of Aeronautics and Astronautics, 211106 Nanjing, People's Republic of China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051117891","display_name":"Xi Chen","orcid":"https://orcid.org/0000-0003-4722-2172"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xi Chen","raw_affiliation_strings":["Nanjing University of Aeronautics and Astronautics, 211106 Nanjing, People\u2019s Republic of China","Nanjing University of Aeronautics and Astronautics, 211106 Nanjing, People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nanjing University of Aeronautics and Astronautics, 211106 Nanjing, People\u2019s Republic of China","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"Nanjing University of Aeronautics and Astronautics, 211106 Nanjing, People's Republic of China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101983941","display_name":"Juan Xu","orcid":"https://orcid.org/0000-0002-5808-6797"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Juan Xu","raw_affiliation_strings":["Nanjing University of Aeronautics and Astronautics, 211106 Nanjing, People\u2019s Republic of China","Nanjing University of Aeronautics and Astronautics, 211106 Nanjing, People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nanjing University of Aeronautics and Astronautics, 211106 Nanjing, People\u2019s Republic of China","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"Nanjing University of Aeronautics and Astronautics, 211106 Nanjing, People's Republic of China","institution_ids":["https://openalex.org/I9842412"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I9842412"],"apc_list":null,"apc_paid":null,"fwci":0.1554,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.57287409,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"17","issue":"7","first_page":"336","last_page":"345"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11357","display_name":"Risk and Safety Analysis","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/1804","display_name":"Statistics, Probability and Uncertainty"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T11357","display_name":"Risk and Safety Analysis","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/1804","display_name":"Statistics, Probability and Uncertainty"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10780","display_name":"Reliability and Maintenance Optimization","score":0.9948999881744385,"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/T13891","display_name":"Engineering Diagnostics and Reliability","score":0.9742000102996826,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"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/weibull-distribution","display_name":"Weibull distribution","score":0.6484845876693726},{"id":"https://openalex.org/keywords/spare-part","display_name":"Spare part","score":0.622169017791748},{"id":"https://openalex.org/keywords/genetic-algorithm","display_name":"Genetic algorithm","score":0.5119622945785522},{"id":"https://openalex.org/keywords/hazard","display_name":"Hazard","score":0.5036546587944031},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.4916840195655823},{"id":"https://openalex.org/keywords/prognostics","display_name":"Prognostics","score":0.464562326669693},{"id":"https://openalex.org/keywords/reliability-engineering","display_name":"Reliability engineering","score":0.46147558093070984},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.4270305633544922},{"id":"https://openalex.org/keywords/decision-model","display_name":"Decision model","score":0.411256343126297},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3423823416233063},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.1603633463382721},{"id":"https://openalex.org/keywords/operations-management","display_name":"Operations management","score":0.1573680341243744},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.13593748211860657}],"concepts":[{"id":"https://openalex.org/C173291955","wikidata":"https://www.wikidata.org/wiki/Q732332","display_name":"Weibull distribution","level":2,"score":0.6484845876693726},{"id":"https://openalex.org/C194648553","wikidata":"https://www.wikidata.org/wiki/Q1364774","display_name":"Spare part","level":2,"score":0.622169017791748},{"id":"https://openalex.org/C8880873","wikidata":"https://www.wikidata.org/wiki/Q187787","display_name":"Genetic algorithm","level":2,"score":0.5119622945785522},{"id":"https://openalex.org/C49261128","wikidata":"https://www.wikidata.org/wiki/Q1132455","display_name":"Hazard","level":2,"score":0.5036546587944031},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.4916840195655823},{"id":"https://openalex.org/C129364497","wikidata":"https://www.wikidata.org/wiki/Q3042561","display_name":"Prognostics","level":2,"score":0.464562326669693},{"id":"https://openalex.org/C200601418","wikidata":"https://www.wikidata.org/wiki/Q2193887","display_name":"Reliability engineering","level":1,"score":0.46147558093070984},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.4270305633544922},{"id":"https://openalex.org/C59594135","wikidata":"https://www.wikidata.org/wiki/Q5249242","display_name":"Decision model","level":2,"score":0.411256343126297},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3423823416233063},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.1603633463382721},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","level":1,"score":0.1573680341243744},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.13593748211860657},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.2514/1.i010777","is_oa":false,"landing_page_url":"https://doi.org/10.2514/1.i010777","pdf_url":null,"source":{"id":"https://openalex.org/S4210240151","display_name":"Journal of Aerospace Information Systems","issn_l":"2327-3097","issn":["2327-3097"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315709","host_organization_name":"American Institute of Aeronautics and Astronautics","host_organization_lineage":["https://openalex.org/P4310315709"],"host_organization_lineage_names":["American Institute of Aeronautics and Astronautics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Aerospace Information Systems","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities","score":0.46000000834465027}],"awards":[{"id":"https://openalex.org/G3929415913","display_name":null,"funder_award_id":"No.51705242","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W11031623","https://openalex.org/W1998337859","https://openalex.org/W2014017968","https://openalex.org/W2022621390","https://openalex.org/W2026557253","https://openalex.org/W2137330984","https://openalex.org/W2287997226","https://openalex.org/W2565627491","https://openalex.org/W2578633024","https://openalex.org/W2605063481","https://openalex.org/W2624054358","https://openalex.org/W2792340303","https://openalex.org/W3023848722","https://openalex.org/W4200622149"],"related_works":["https://openalex.org/W2310476526","https://openalex.org/W3213192587","https://openalex.org/W2144291498","https://openalex.org/W2535730979","https://openalex.org/W3193475673","https://openalex.org/W2370073012","https://openalex.org/W4386567722","https://openalex.org/W2168646784","https://openalex.org/W2965730886","https://openalex.org/W1986350189"],"abstract_inverted_index":{"According":[0],"to":[1,62,67,120,162,178,214],"the":[2,6,24,48,57,64,74,79,101,104,122,128,133,150,160,164,180,183,189,195,205,216],"definition":[3],"given":[4],"by":[5,82],"world":[7],"airlines":[8],"technical":[9],"operations":[10],"glossary":[11],"(WATOG),":[12],"an":[13,95,143],"aeroengine":[14,90,102,117,175],"removal":[15,40],"is":[16,60,109,118,147,156,176,210],"classified":[17],"as":[18],"a":[19,42,112,169,173,200],"shop":[20],"visit":[21],"(SV)":[22],"whenever":[23],"subsequent":[25],"engine":[26],"maintenance":[27,55],"performed":[28],"before":[29],"reinstallation":[30],"entails":[31],"separation":[32],"of":[33,35,41,51,56,70,76,86,98,135,153,182,191,207],"pairs":[34],"major":[36],"mating":[37],"flanges":[38],"or":[39,45],"disk,":[43],"hub,":[44],"spool.":[46],"Considering":[47],"high":[49],"cost":[50,166],"both":[52],"purchase":[53],"and":[54,73,91,127,139,149,204,212],"aeroengine,":[58],"it":[59],"necessary":[61],"optimize":[63],"SV":[65,99,144,154,208,218],"decision":[66,145,155],"decrease":[68],"quantities":[69],"spare":[71],"engines":[72],"number":[75],"SVs":[77],"for":[78,100,116],"aeroengine.":[80],"Therefore,":[81],"making":[83],"full":[84],"use":[85],"monitoring":[87],"data":[88],"in":[89],"adopting":[92],"just-in-time":[93],"theory,":[94],"optimization":[96,151],"method":[97,134],"using":[103],"proportional":[105],"hazard":[106],"(PH)":[107],"model":[108,115,152,198],"proposed.":[110],"First,":[111],"Weibull":[113],"PH":[114,197],"established":[119,157],"predict":[121],"remaining":[123],"useful":[124],"life":[125],"(RUL),":[126],"parameters":[129],"are":[130],"estimated":[131],"with":[132],"principal":[136],"component":[137],"analysis":[138],"genetic":[140],"algorithm.":[141],"Second,":[142],"policy":[146],"proposed":[148,184,196],"based":[158,193],"on":[159,172,194],"RUL":[161,192],"minimize":[163],"expected":[165],"rate.":[167],"Finally,":[168],"case":[170],"study":[171],"specific":[174],"conducted":[177],"demonstrate":[179],"effectiveness":[181],"method.":[185],"Results":[186],"show":[187],"that":[188],"prediction":[190,202],"has":[199],"low":[201],"error":[203],"process":[206],"decisions":[209],"dynamic":[211],"feasible":[213],"obtain":[215],"optimal":[217],"decision.":[219]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
