{"id":"https://openalex.org/W3013183162","doi":"https://doi.org/10.3390/s20071845","title":"Multi-objective Informative Frequency Band Selection Based on Negentropy-induced Grey Wolf Optimizer for Fault Diagnosis of Rolling Element Bearings","display_name":"Multi-objective Informative Frequency Band Selection Based on Negentropy-induced Grey Wolf Optimizer for Fault Diagnosis of Rolling Element Bearings","publication_year":2020,"publication_date":"2020-03-26","ids":{"openalex":"https://openalex.org/W3013183162","doi":"https://doi.org/10.3390/s20071845","mag":"3013183162","pmid":"https://pubmed.ncbi.nlm.nih.gov/32225091"},"language":"en","primary_location":{"id":"doi:10.3390/s20071845","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s20071845","pdf_url":"https://www.mdpi.com/1424-8220/20/7/1845/pdf?version=1585532658","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/1424-8220/20/7/1845/pdf?version=1585532658","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5083750401","display_name":"Xiaohui Gu","orcid":"https://orcid.org/0000-0002-0300-8775"},"institutions":[{"id":"https://openalex.org/I90090648","display_name":"Shijiazhuang Tiedao University","ror":"https://ror.org/022e9e065","country_code":"CN","type":"education","lineage":["https://openalex.org/I90090648"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xiaohui Gu","raw_affiliation_strings":["State Key Laboratory of Mechanical Behavior and System Safety of Traffic Engineering Structures, Shijiazhuang Tiedao University, Shijiazhuang 050043, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Mechanical Behavior and System Safety of Traffic Engineering Structures, Shijiazhuang Tiedao University, Shijiazhuang 050043, China","institution_ids":["https://openalex.org/I90090648"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032883749","display_name":"Shaopu Yang","orcid":"https://orcid.org/0000-0002-3888-4169"},"institutions":[{"id":"https://openalex.org/I90090648","display_name":"Shijiazhuang Tiedao University","ror":"https://ror.org/022e9e065","country_code":"CN","type":"education","lineage":["https://openalex.org/I90090648"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shaopu Yang","raw_affiliation_strings":["State Key Laboratory of Mechanical Behavior and System Safety of Traffic Engineering Structures, Shijiazhuang Tiedao University, Shijiazhuang 050043, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Mechanical Behavior and System Safety of Traffic Engineering Structures, Shijiazhuang Tiedao University, Shijiazhuang 050043, China","institution_ids":["https://openalex.org/I90090648"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100714020","display_name":"Yongqiang Liu","orcid":"https://orcid.org/0000-0001-7114-0797"},"institutions":[{"id":"https://openalex.org/I90090648","display_name":"Shijiazhuang Tiedao University","ror":"https://ror.org/022e9e065","country_code":"CN","type":"education","lineage":["https://openalex.org/I90090648"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yongqiang Liu","raw_affiliation_strings":["State Key Laboratory of Mechanical Behavior and System Safety of Traffic Engineering Structures, Shijiazhuang Tiedao University, Shijiazhuang 050043, China"],"raw_orcid":"https://orcid.org/0000-0001-7114-0797","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Mechanical Behavior and System Safety of Traffic Engineering Structures, Shijiazhuang Tiedao University, Shijiazhuang 050043, China","institution_ids":["https://openalex.org/I90090648"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109376635","display_name":"Rujiang Hao","orcid":null},"institutions":[{"id":"https://openalex.org/I90090648","display_name":"Shijiazhuang Tiedao University","ror":"https://ror.org/022e9e065","country_code":"CN","type":"education","lineage":["https://openalex.org/I90090648"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Rujiang Hao","raw_affiliation_strings":["State Key Laboratory of Mechanical Behavior and System Safety of Traffic Engineering Structures, Shijiazhuang Tiedao University, Shijiazhuang 050043, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Mechanical Behavior and System Safety of Traffic Engineering Structures, Shijiazhuang Tiedao University, Shijiazhuang 050043, China","institution_ids":["https://openalex.org/I90090648"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101826744","display_name":"Zechao Liu","orcid":"https://orcid.org/0000-0002-1406-8415"},"institutions":[{"id":"https://openalex.org/I90090648","display_name":"Shijiazhuang Tiedao University","ror":"https://ror.org/022e9e065","country_code":"CN","type":"education","lineage":["https://openalex.org/I90090648"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zechao Liu","raw_affiliation_strings":["State Key Laboratory of Mechanical Behavior and System Safety of Traffic Engineering Structures, Shijiazhuang Tiedao University, Shijiazhuang 050043, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Mechanical Behavior and System Safety of Traffic Engineering Structures, Shijiazhuang Tiedao University, Shijiazhuang 050043, China","institution_ids":["https://openalex.org/I90090648"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5083750401"],"corresponding_institution_ids":["https://openalex.org/I90090648"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2673},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2673},"fwci":1.5878,"has_fulltext":true,"cited_by_count":17,"citation_normalized_percentile":{"value":0.80567703,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":"20","issue":"7","first_page":"1845","last_page":"1845"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11062","display_name":"Gear and Bearing Dynamics Analysis","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical 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/T11062","display_name":"Gear and Bearing Dynamics Analysis","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical 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/T10220","display_name":"Machine Fault Diagnosis Techniques","score":0.9991999864578247,"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/T10188","display_name":"Advanced machining processes and optimization","score":0.9973999857902527,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical 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/negentropy","display_name":"Negentropy","score":0.91949462890625},{"id":"https://openalex.org/keywords/wavelet","display_name":"Wavelet","score":0.5651710033416748},{"id":"https://openalex.org/keywords/fault","display_name":"Fault (geology)","score":0.5193961262702942},{"id":"https://openalex.org/keywords/rolling-element-bearing","display_name":"Rolling-element bearing","score":0.5049696564674377},{"id":"https://openalex.org/keywords/kurtosis","display_name":"Kurtosis","score":0.4660288989543915},{"id":"https://openalex.org/keywords/bearing","display_name":"Bearing (navigation)","score":0.45275190472602844},{"id":"https://openalex.org/keywords/frequency-band","display_name":"Frequency band","score":0.4413840174674988},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.4338797926902771},{"id":"https://openalex.org/keywords/cyclostationary-process","display_name":"Cyclostationary process","score":0.42814210057258606},{"id":"https://openalex.org/keywords/selection","display_name":"Selection (genetic algorithm)","score":0.4244646430015564},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.40733227133750916},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.39837878942489624},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.388603538274765},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.38245517015457153},{"id":"https://openalex.org/keywords/vibration","display_name":"Vibration","score":0.34735268354415894},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.30002790689468384},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.20525944232940674},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1280961036682129},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.10984659194946289},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.08632728457450867}],"concepts":[{"id":"https://openalex.org/C118346863","wikidata":"https://www.wikidata.org/wiki/Q252552","display_name":"Negentropy","level":3,"score":0.91949462890625},{"id":"https://openalex.org/C47432892","wikidata":"https://www.wikidata.org/wiki/Q831390","display_name":"Wavelet","level":2,"score":0.5651710033416748},{"id":"https://openalex.org/C175551986","wikidata":"https://www.wikidata.org/wiki/Q47089","display_name":"Fault (geology)","level":2,"score":0.5193961262702942},{"id":"https://openalex.org/C2780155820","wikidata":"https://www.wikidata.org/wiki/Q1335987","display_name":"Rolling-element bearing","level":3,"score":0.5049696564674377},{"id":"https://openalex.org/C166963901","wikidata":"https://www.wikidata.org/wiki/Q287251","display_name":"Kurtosis","level":2,"score":0.4660288989543915},{"id":"https://openalex.org/C199978012","wikidata":"https://www.wikidata.org/wiki/Q1273815","display_name":"Bearing (navigation)","level":2,"score":0.45275190472602844},{"id":"https://openalex.org/C2778116611","wikidata":"https://www.wikidata.org/wiki/Q25110567","display_name":"Frequency band","level":3,"score":0.4413840174674988},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4338797926902771},{"id":"https://openalex.org/C178351263","wikidata":"https://www.wikidata.org/wiki/Q3922399","display_name":"Cyclostationary process","level":3,"score":0.42814210057258606},{"id":"https://openalex.org/C81917197","wikidata":"https://www.wikidata.org/wiki/Q628760","display_name":"Selection (genetic algorithm)","level":2,"score":0.4244646430015564},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.40733227133750916},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.39837878942489624},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.388603538274765},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.38245517015457153},{"id":"https://openalex.org/C198394728","wikidata":"https://www.wikidata.org/wiki/Q3695508","display_name":"Vibration","level":2,"score":0.34735268354415894},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.30002790689468384},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.20525944232940674},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1280961036682129},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.10984659194946289},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.08632728457450867},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.0},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.0},{"id":"https://openalex.org/C51432778","wikidata":"https://www.wikidata.org/wiki/Q1259145","display_name":"Independent component analysis","level":2,"score":0.0},{"id":"https://openalex.org/C165205528","wikidata":"https://www.wikidata.org/wiki/Q83371","display_name":"Seismology","level":1,"score":0.0},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.3390/s20071845","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s20071845","pdf_url":"https://www.mdpi.com/1424-8220/20/7/1845/pdf?version=1585532658","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:32225091","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/32225091","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:doaj.org/article:10b531e77c4043a499fabd3079ef0900","is_oa":true,"landing_page_url":"https://doaj.org/article/10b531e77c4043a499fabd3079ef0900","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","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-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors, Vol 20, Iss 7, p 1845 (2020)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1424-8220/20/7/1845/","is_oa":true,"landing_page_url":"http://dx.doi.org/10.3390/s20071845","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"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","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:7181273","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/7181273","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"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"}],"best_oa_location":{"id":"doi:10.3390/s20071845","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s20071845","pdf_url":"https://www.mdpi.com/1424-8220/20/7/1845/pdf?version=1585532658","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":[],"awards":[{"id":"https://openalex.org/G4753033345","display_name":null,"funder_award_id":"11902205 and 11790282","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":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3013183162.pdf","grobid_xml":"https://content.openalex.org/works/W3013183162.grobid-xml"},"referenced_works_count":42,"referenced_works":["https://openalex.org/W427289305","https://openalex.org/W1506010655","https://openalex.org/W1974543974","https://openalex.org/W1979117586","https://openalex.org/W1984516393","https://openalex.org/W1985110006","https://openalex.org/W1998180754","https://openalex.org/W1998813289","https://openalex.org/W2019505419","https://openalex.org/W2026109502","https://openalex.org/W2031454283","https://openalex.org/W2061438946","https://openalex.org/W2067376192","https://openalex.org/W2075356520","https://openalex.org/W2093636412","https://openalex.org/W2093849451","https://openalex.org/W2123908889","https://openalex.org/W2126105956","https://openalex.org/W2165171393","https://openalex.org/W2170176908","https://openalex.org/W2174096823","https://openalex.org/W2174882363","https://openalex.org/W2301005476","https://openalex.org/W2346585872","https://openalex.org/W2554610511","https://openalex.org/W2751891979","https://openalex.org/W2757093596","https://openalex.org/W2765975552","https://openalex.org/W2767809796","https://openalex.org/W2781219304","https://openalex.org/W2782497462","https://openalex.org/W2793343637","https://openalex.org/W2793807982","https://openalex.org/W2801298912","https://openalex.org/W2810586164","https://openalex.org/W2810952909","https://openalex.org/W2942747661","https://openalex.org/W2945803074","https://openalex.org/W2946021714","https://openalex.org/W2954351926","https://openalex.org/W2970444935","https://openalex.org/W4235594362"],"related_works":["https://openalex.org/W2379559017","https://openalex.org/W2089700699","https://openalex.org/W2357556724","https://openalex.org/W2366985367","https://openalex.org/W2358387385","https://openalex.org/W2197823216","https://openalex.org/W2030639503","https://openalex.org/W2353097021","https://openalex.org/W2355655768","https://openalex.org/W3013183162"],"abstract_inverted_index":{"Informative":[0],"frequency":[1],"band":[2],"(IFB)":[3],"selection":[4],"is":[5,46,77,118,190],"a":[6,29,70,88,194],"challenging":[7],"task":[8],"in":[9,42,79,120,159,186],"envelope":[10,103,106],"analysis":[11],"for":[12,48],"the":[13,38,55,63,99,115,122,125,137,144,163,166,170,188],"localized":[14],"fault":[15,56],"detection":[16],"of":[17,62,101,149,165,196],"rolling":[18],"element":[19],"bearings.":[20],"In":[21,182],"previous":[22],"studies,":[23],"it":[24,45],"was":[25],"often":[26],"conducted":[27],"with":[28,92,153],"single":[30],"indicator,":[31],"such":[32],"as":[33],"kurtosis,":[34],"etc.,":[35],"to":[36,50,108,135,161],"guide":[37],"automatic":[39],"selection.":[40],"However,":[41],"some":[43,176],"cases,":[44],"difficult":[47],"that":[49],"fully":[51],"depict":[52],"and":[53,60,104,111,139,142,169,178],"balance":[54,136],"characters":[57],"from":[58,124],"impulsiveness":[59,110],"cyclostationarity":[61],"repetitive":[64],"transients.":[65],"To":[66],"solve":[67],"this":[68,80],"problem,":[69],"novel":[71],"negentropy-induced":[72],"multi-objective":[73],"optimized":[74],"wavelet":[75,83],"filter":[76],"proposed":[78,167],"paper.":[81],"The":[82],"parameters":[84],"are":[85,130,157],"determined":[86],"by":[87,132,193],"grey":[89],"wolf":[90],"optimizer":[91],"two":[93],"independent":[94],"objective":[95],"functions":[96],"i.e.,":[97],"maximizing":[98],"negentropy":[100,117],"squared":[102,105],"spectrum":[107],"capture":[109],"cyclostationarity,":[112],"respectively.":[113],"Subsequently,":[114],"average":[116],"utilized":[119],"identifying":[121],"IFB":[123,189],"obtained":[126],"Pareto":[127],"set,":[128],"which":[129],"non-dominated":[131],"other":[133],"solutions":[134],"impulsive":[138],"cyclostationary":[140],"features":[141],"eliminate":[143],"background":[145],"noise.":[146],"Two":[147],"cases":[148],"real":[150],"vibration":[151],"signals":[152],"slight":[154],"bearing":[155],"faults":[156],"applied":[158],"order":[160],"evaluate":[162],"performance":[164],"methodology,":[168],"results":[171],"demonstrate":[172],"its":[173,184],"effectiveness":[174],"over":[175],"fast":[177],"optimal":[179],"filtering":[180],"methods.":[181],"addition,":[183],"stability":[185],"tracking":[187],"also":[191],"tested":[192],"case":[195],"condition":[197],"monitoring":[198],"data":[199],"sets.":[200]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":3}],"updated_date":"2026-07-30T17:31:21.811387","created_date":"2025-10-10T00:00:00"}