{"id":"https://openalex.org/W4413966793","doi":"https://doi.org/10.1002/qre.70064","title":"A Degradation Hidden Semi\u2010Markov Model for Predicting Asset Health and Remaining Useful Life","display_name":"A Degradation Hidden Semi\u2010Markov Model for Predicting Asset Health and Remaining Useful Life","publication_year":2025,"publication_date":"2025-09-03","ids":{"openalex":"https://openalex.org/W4413966793","doi":"https://doi.org/10.1002/qre.70064"},"language":"en","primary_location":{"id":"doi:10.1002/qre.70064","is_oa":false,"landing_page_url":"https://doi.org/10.1002/qre.70064","pdf_url":null,"source":{"id":"https://openalex.org/S165633816","display_name":"Quality and Reliability Engineering International","issn_l":"0748-8017","issn":["0748-8017","1099-1638"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Quality and Reliability Engineering International","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/A5002882205","display_name":"Neda Gorjian Jolfaei","orcid":"https://orcid.org/0000-0001-6022-6210"},"institutions":[{"id":"https://openalex.org/I5681781","display_name":"University of Adelaide","ror":"https://ror.org/00892tw58","country_code":"AU","type":"education","lineage":["https://openalex.org/I5681781"]}],"countries":["AU"],"is_corresponding":true,"raw_author_name":"Neda Gorjian Jolfaei","raw_affiliation_strings":["School of Chemical Engineering The University of Adelaide  Adelaide South Australia Australia"],"affiliations":[{"raw_affiliation_string":"School of Chemical Engineering The University of Adelaide  Adelaide South Australia Australia","institution_ids":["https://openalex.org/I5681781"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039126037","display_name":"Raufdeen Rameezdeen","orcid":"https://orcid.org/0000-0001-9639-2624"},"institutions":[{"id":"https://openalex.org/I170239107","display_name":"University of South Australia","ror":"https://ror.org/01p93h210","country_code":"AU","type":"education","lineage":["https://openalex.org/I170239107"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Raufdeen Rameezdeen","raw_affiliation_strings":["Sustainable Infrastructure and Resource Management (SIRM) UniSA STEM University of South Australia  Mawson Lakes South Australia Australia"],"affiliations":[{"raw_affiliation_string":"Sustainable Infrastructure and Resource Management (SIRM) UniSA STEM University of South Australia  Mawson Lakes South Australia Australia","institution_ids":["https://openalex.org/I170239107"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070633198","display_name":"Leon van der Linden","orcid":"https://orcid.org/0000-0001-7995-9158"},"institutions":[{"id":"https://openalex.org/I2802079659","display_name":"South Australian Water Corporation","ror":"https://ror.org/0220wzg80","country_code":"AU","type":"company","lineage":["https://openalex.org/I2802079659"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Leon van der Linden","raw_affiliation_strings":["South Australian Water Corporation  Adelaide South Australia Australia"],"affiliations":[{"raw_affiliation_string":"South Australian Water Corporation  Adelaide South Australia Australia","institution_ids":["https://openalex.org/I2802079659"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090073882","display_name":"Indra Gunawan","orcid":"https://orcid.org/0000-0001-7357-509X"},"institutions":[{"id":"https://openalex.org/I5681781","display_name":"University of Adelaide","ror":"https://ror.org/00892tw58","country_code":"AU","type":"education","lineage":["https://openalex.org/I5681781"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Indra Gunawan","raw_affiliation_strings":["Adelaide Business School The University of Adelaide  Adelaide South Australia Australia"],"affiliations":[{"raw_affiliation_string":"Adelaide Business School The University of Adelaide  Adelaide South Australia Australia","institution_ids":["https://openalex.org/I5681781"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053276253","display_name":"Christopher W.K. Chow","orcid":"https://orcid.org/0000-0001-5829-8944"},"institutions":[{"id":"https://openalex.org/I170239107","display_name":"University of South Australia","ror":"https://ror.org/01p93h210","country_code":"AU","type":"education","lineage":["https://openalex.org/I170239107"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Christopher W. K. Chow","raw_affiliation_strings":["Sustainable Infrastructure and Resource Management (SIRM) UniSA STEM University of South Australia  Mawson Lakes South Australia Australia"],"affiliations":[{"raw_affiliation_string":"Sustainable Infrastructure and Resource Management (SIRM) UniSA STEM University of South Australia  Mawson Lakes South Australia Australia","institution_ids":["https://openalex.org/I170239107"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080169593","display_name":"Nima Gorjian","orcid":null},"institutions":[{"id":"https://openalex.org/I170239107","display_name":"University of South Australia","ror":"https://ror.org/01p93h210","country_code":"AU","type":"education","lineage":["https://openalex.org/I170239107"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Nima Gorjian","raw_affiliation_strings":["Sustainable Infrastructure and Resource Management (SIRM) UniSA STEM University of South Australia  Mawson Lakes South Australia Australia"],"affiliations":[{"raw_affiliation_string":"Sustainable Infrastructure and Resource Management (SIRM) UniSA STEM University of South Australia  Mawson Lakes South Australia Australia","institution_ids":["https://openalex.org/I170239107"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100706475","display_name":"Bo Jin","orcid":"https://orcid.org/0000-0003-4491-8465"},"institutions":[{"id":"https://openalex.org/I5681781","display_name":"University of Adelaide","ror":"https://ror.org/00892tw58","country_code":"AU","type":"education","lineage":["https://openalex.org/I5681781"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Bo Jin","raw_affiliation_strings":["School of Chemical Engineering The University of Adelaide  Adelaide South Australia Australia"],"affiliations":[{"raw_affiliation_string":"School of Chemical Engineering The University of Adelaide  Adelaide South Australia Australia","institution_ids":["https://openalex.org/I5681781"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5002882205"],"corresponding_institution_ids":["https://openalex.org/I5681781"],"apc_list":{"value":4330,"currency":"USD","value_usd":4330},"apc_paid":null,"fwci":1.375,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.84456968,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"41","issue":"8","first_page":"3430","last_page":"3444"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10780","display_name":"Reliability and Maintenance Optimization","score":0.975600004196167,"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"}},"topics":[{"id":"https://openalex.org/T10780","display_name":"Reliability and Maintenance Optimization","score":0.975600004196167,"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/T10809","display_name":"Occupational Health and Safety Research","score":0.9574999809265137,"subfield":{"id":"https://openalex.org/subfields/3614","display_name":"Radiological and Ultrasound Technology"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11606","display_name":"Infrastructure Maintenance and Monitoring","score":0.9380999803543091,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural 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/degradation","display_name":"Degradation (telecommunications)","score":0.5538467764854431},{"id":"https://openalex.org/keywords/markov-chain","display_name":"Markov chain","score":0.5320006012916565},{"id":"https://openalex.org/keywords/markov-model","display_name":"Markov model","score":0.5150094032287598},{"id":"https://openalex.org/keywords/econometrics","display_name":"Econometrics","score":0.5008914470672607},{"id":"https://openalex.org/keywords/hidden-markov-model","display_name":"Hidden Markov model","score":0.5004396438598633},{"id":"https://openalex.org/keywords/asset","display_name":"Asset (computer security)","score":0.4276719093322754},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4236920475959778},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.33395320177078247},{"id":"https://openalex.org/keywords/reliability-engineering","display_name":"Reliability engineering","score":0.33241093158721924},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.27814018726348877},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.24577805399894714},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.24076661467552185},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.05592641234397888}],"concepts":[{"id":"https://openalex.org/C2779679103","wikidata":"https://www.wikidata.org/wiki/Q5251805","display_name":"Degradation (telecommunications)","level":2,"score":0.5538467764854431},{"id":"https://openalex.org/C98763669","wikidata":"https://www.wikidata.org/wiki/Q176645","display_name":"Markov chain","level":2,"score":0.5320006012916565},{"id":"https://openalex.org/C163836022","wikidata":"https://www.wikidata.org/wiki/Q6771326","display_name":"Markov model","level":3,"score":0.5150094032287598},{"id":"https://openalex.org/C149782125","wikidata":"https://www.wikidata.org/wiki/Q160039","display_name":"Econometrics","level":1,"score":0.5008914470672607},{"id":"https://openalex.org/C23224414","wikidata":"https://www.wikidata.org/wiki/Q176769","display_name":"Hidden Markov model","level":2,"score":0.5004396438598633},{"id":"https://openalex.org/C76178495","wikidata":"https://www.wikidata.org/wiki/Q4808784","display_name":"Asset (computer security)","level":2,"score":0.4276719093322754},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4236920475959778},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.33395320177078247},{"id":"https://openalex.org/C200601418","wikidata":"https://www.wikidata.org/wiki/Q2193887","display_name":"Reliability engineering","level":1,"score":0.33241093158721924},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.27814018726348877},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.24577805399894714},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.24076661467552185},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.05592641234397888},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1002/qre.70064","is_oa":false,"landing_page_url":"https://doi.org/10.1002/qre.70064","pdf_url":null,"source":{"id":"https://openalex.org/S165633816","display_name":"Quality and Reliability Engineering International","issn_l":"0748-8017","issn":["0748-8017","1099-1638"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Quality and Reliability Engineering International","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":52,"referenced_works":["https://openalex.org/W1813559903","https://openalex.org/W1978918209","https://openalex.org/W1983643445","https://openalex.org/W1987728873","https://openalex.org/W1988383841","https://openalex.org/W1989844119","https://openalex.org/W1992113394","https://openalex.org/W2005900670","https://openalex.org/W2045186954","https://openalex.org/W2061303007","https://openalex.org/W2104280289","https://openalex.org/W2130026336","https://openalex.org/W2158266063","https://openalex.org/W2172254927","https://openalex.org/W2414577866","https://openalex.org/W2490417141","https://openalex.org/W2498763545","https://openalex.org/W2516153342","https://openalex.org/W2619598319","https://openalex.org/W2726451741","https://openalex.org/W2738631646","https://openalex.org/W2749738224","https://openalex.org/W2793260526","https://openalex.org/W2796238274","https://openalex.org/W2891408454","https://openalex.org/W2900842568","https://openalex.org/W2904905621","https://openalex.org/W2912454129","https://openalex.org/W2941666212","https://openalex.org/W2978236572","https://openalex.org/W2990358408","https://openalex.org/W3025787433","https://openalex.org/W3033599989","https://openalex.org/W3036398996","https://openalex.org/W3037906335","https://openalex.org/W3049466805","https://openalex.org/W3091723174","https://openalex.org/W3096644231","https://openalex.org/W3097413413","https://openalex.org/W3133826370","https://openalex.org/W3158412317","https://openalex.org/W3161374529","https://openalex.org/W3197014694","https://openalex.org/W3201950121","https://openalex.org/W4231268643","https://openalex.org/W4237831272","https://openalex.org/W4244770081","https://openalex.org/W4299497317","https://openalex.org/W4300092392","https://openalex.org/W4300094084","https://openalex.org/W4385286734","https://openalex.org/W4400111774"],"related_works":["https://openalex.org/W1510894296","https://openalex.org/W2134386692","https://openalex.org/W2084326697","https://openalex.org/W2194396582","https://openalex.org/W2027903142","https://openalex.org/W2082284720","https://openalex.org/W2116722627","https://openalex.org/W2537260108","https://openalex.org/W2354322608","https://openalex.org/W2158700654"],"abstract_inverted_index":{"ABSTRACT":[0],"An":[1],"effective":[2,82],"tactical":[3],"asset":[4,26,173],"management":[5],"program,":[6],"incorporating":[7],"condition":[8,48,103,133,145],"and":[9,23,50,55,59,83,102,127,151,164],"degradation":[10,27,67,150],"assessments,":[11],"is":[12,28,76],"essential":[13],"for":[14,43,79,149],"asset\u2010intensive":[15],"organizations":[16],"to":[17,62,105],"make":[18],"informed":[19],"decisions":[20],"about":[21],"maintenance":[22,60],"renewal.":[24],"Since":[25],"an":[29],"inherently":[30],"stochastic":[31,36],"phenomenon,":[32],"models":[33],"based":[34],"on":[35],"processes":[37],"are":[38,53],"the":[39,81,112,124,132,138,142,156,171,179,183,188],"most":[40],"suitable":[41],"approach":[42],"accurately":[44],"predicting":[45,80],"it.":[46],"Asset":[47],"assessment":[49],"event":[51],"data":[52,72,104,134,146],"collected":[54],"recorded":[56],"during":[57],"inspection":[58],"activities":[61],"model":[63,68],"equipment":[64],"degradation.":[65],"A":[66],"that":[69,98],"integrates":[70],"these":[71,192],"associated":[73],"with":[74],"assets":[75],"highly":[77],"desirable":[78],"reliable":[84],"remaining":[85,143],"useful":[86],"life":[87],"(RUL).":[88],"This":[89],"study":[90],"develops":[91],"a":[92,116,129],"novel":[93],"Degradation":[94],"Hidden":[95],"Semi\u2010Markov":[96],"Model":[97],"uses":[99],"both":[100,162],"failure":[101],"predict":[106],"RUL":[107,152,158,190],"of":[108,115,131,178,187],"critical":[109],"pumps":[110],"in":[111,119],"wastewater":[113],"network":[114],"regional":[117],"town":[118],"South":[120],"Australia.":[121],"To":[122],"evaluate":[123],"model's":[125],"performance":[126],"outcomes,":[128],"portion":[130],"was":[135,147,159,194],"reserved":[136],"as":[137],"test":[139],"dataset,":[140],"while":[141],"historical":[144],"used":[148],"modeling.":[153],"In":[154],"addition,":[155],"predicted":[157],"validated":[160],"using":[161,191],"forward\u2010backward":[163],"Viterbi":[165],"algorithms.":[166],"Results":[167],"showed":[168],"not":[169],"only":[170],"expected":[172],"health":[174],"state":[175],"closely":[176],"followed":[177],"actual,":[180],"but":[181],"also":[182],"absolute":[184],"prediction":[185],"error":[186],"estimated":[189],"algorithms":[193],"minimal.":[195]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}