{"id":"https://openalex.org/W4409359190","doi":"https://doi.org/10.1016/j.eswa.2025.127662","title":"Frequency-enhanced network with self-supervised learning for anomaly detection of hydraulic piston pumps","display_name":"Frequency-enhanced network with self-supervised learning for anomaly detection of hydraulic piston pumps","publication_year":2025,"publication_date":"2025-04-11","ids":{"openalex":"https://openalex.org/W4409359190","doi":"https://doi.org/10.1016/j.eswa.2025.127662"},"language":"en","primary_location":{"id":"doi:10.1016/j.eswa.2025.127662","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.eswa.2025.127662","pdf_url":null,"source":{"id":"https://openalex.org/S13144211","display_name":"Expert Systems with Applications","issn_l":"0957-4174","issn":["0957-4174","1873-6793"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Expert Systems with Applications","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/A5000003740","display_name":"Minseok Choi","orcid":"https://orcid.org/0000-0001-7027-1920"},"institutions":[{"id":"https://openalex.org/I39534123","display_name":"Gwangju Institute of Science and Technology","ror":"https://ror.org/024kbgz78","country_code":"KR","type":"education","lineage":["https://openalex.org/I39534123"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Minseok Choi","raw_affiliation_strings":["Department of Mechanical and Robotics Engineering, Gwangju Institute of Science and Technology, 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mechanical and Robotics Engineering, Gwangju Institute of Science and Technology, 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea","institution_ids":["https://openalex.org/I39534123"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036691970","display_name":"C. C. Lee","orcid":null},"institutions":[{"id":"https://openalex.org/I39534123","display_name":"Gwangju Institute of Science and Technology","ror":"https://ror.org/024kbgz78","country_code":"KR","type":"education","lineage":["https://openalex.org/I39534123"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Changsung Lee","raw_affiliation_strings":["Department of Mechanical and Robotics Engineering, Gwangju Institute of Science and Technology, 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea"],"raw_orcid":"https://orcid.org/0009-0001-7155-0881","affiliations":[{"raw_affiliation_string":"Department of Mechanical and Robotics Engineering, Gwangju Institute of Science and Technology, 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea","institution_ids":["https://openalex.org/I39534123"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100643659","display_name":"Se Chang Park","orcid":"https://orcid.org/0000-0001-9821-387X"},"institutions":[{"id":"https://openalex.org/I39534123","display_name":"Gwangju Institute of Science and Technology","ror":"https://ror.org/024kbgz78","country_code":"KR","type":"education","lineage":["https://openalex.org/I39534123"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Sechang Park","raw_affiliation_strings":["Department of Mechanical and Robotics Engineering, Gwangju Institute of Science and Technology, 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mechanical and Robotics Engineering, Gwangju Institute of Science and Technology, 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea","institution_ids":["https://openalex.org/I39534123"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072164445","display_name":"Mikyung Hwang","orcid":null},"institutions":[{"id":"https://openalex.org/I39534123","display_name":"Gwangju Institute of Science and Technology","ror":"https://ror.org/024kbgz78","country_code":"KR","type":"education","lineage":["https://openalex.org/I39534123"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Mikyung Hwang","raw_affiliation_strings":["Department of Mechanical and Robotics Engineering, Gwangju Institute of Science and Technology, 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mechanical and Robotics Engineering, Gwangju Institute of Science and Technology, 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea","institution_ids":["https://openalex.org/I39534123"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5071732509","display_name":"Hyunseok Oh","orcid":"https://orcid.org/0000-0002-6127-561X"},"institutions":[{"id":"https://openalex.org/I39534123","display_name":"Gwangju Institute of Science and Technology","ror":"https://ror.org/024kbgz78","country_code":"KR","type":"education","lineage":["https://openalex.org/I39534123"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Hyunseok Oh","raw_affiliation_strings":["Department of Mechanical and Robotics Engineering, Gwangju Institute of Science and Technology, 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea"],"raw_orcid":"https://orcid.org/0000-0002-6127-561X","affiliations":[{"raw_affiliation_string":"Department of Mechanical and Robotics Engineering, Gwangju Institute of Science and Technology, 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea","institution_ids":["https://openalex.org/I39534123"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5071732509"],"corresponding_institution_ids":["https://openalex.org/I39534123"],"apc_list":{"value":3220,"currency":"USD","value_usd":3220},"apc_paid":null,"fwci":15.2128,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.98688781,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":"282","issue":null,"first_page":"127662","last_page":"127662"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.9958999752998352,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.9958999752998352,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13050","display_name":"Oil and Gas Production Techniques","score":0.9947999715805054,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/T10876","display_name":"Fault Detection and Control Systems","score":0.9943000078201294,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6729488372802734},{"id":"https://openalex.org/keywords/piston","display_name":"Piston (optics)","score":0.6356490254402161},{"id":"https://openalex.org/keywords/anomaly-detection","display_name":"Anomaly detection","score":0.613505482673645},{"id":"https://openalex.org/keywords/anomaly","display_name":"Anomaly (physics)","score":0.505973756313324},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4552049934864044},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.36748307943344116},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.10404926538467407}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6729488372802734},{"id":"https://openalex.org/C199524791","wikidata":"https://www.wikidata.org/wiki/Q7198512","display_name":"Piston (optics)","level":3,"score":0.6356490254402161},{"id":"https://openalex.org/C739882","wikidata":"https://www.wikidata.org/wiki/Q3560506","display_name":"Anomaly detection","level":2,"score":0.613505482673645},{"id":"https://openalex.org/C12997251","wikidata":"https://www.wikidata.org/wiki/Q567560","display_name":"Anomaly (physics)","level":2,"score":0.505973756313324},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4552049934864044},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.36748307943344116},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.10404926538467407},{"id":"https://openalex.org/C26873012","wikidata":"https://www.wikidata.org/wiki/Q214781","display_name":"Condensed matter physics","level":1,"score":0.0},{"id":"https://openalex.org/C165699331","wikidata":"https://www.wikidata.org/wiki/Q461533","display_name":"Wavefront","level":2,"score":0.0},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/j.eswa.2025.127662","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.eswa.2025.127662","pdf_url":null,"source":{"id":"https://openalex.org/S13144211","display_name":"Expert Systems with Applications","issn_l":"0957-4174","issn":["0957-4174","1873-6793"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Expert Systems with Applications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.6499999761581421,"id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G2616297930","display_name":null,"funder_award_id":"RS-2022-00144441","funder_id":"https://openalex.org/F4320322120","funder_display_name":"National Research Foundation of Korea"},{"id":"https://openalex.org/G320016809","display_name":null,"funder_award_id":"RS-2025-00517566","funder_id":"https://openalex.org/F4320322120","funder_display_name":"National Research Foundation of Korea"}],"funders":[{"id":"https://openalex.org/F4320322120","display_name":"National Research Foundation of Korea","ror":"https://ror.org/013aysd81"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":55,"referenced_works":["https://openalex.org/W2071801748","https://openalex.org/W2073737879","https://openalex.org/W2140530403","https://openalex.org/W2187089797","https://openalex.org/W2585186720","https://openalex.org/W2652442240","https://openalex.org/W2754767460","https://openalex.org/W2796122488","https://openalex.org/W2896268273","https://openalex.org/W2899493682","https://openalex.org/W2995206248","https://openalex.org/W2995819653","https://openalex.org/W3022506809","https://openalex.org/W3026322064","https://openalex.org/W3040266635","https://openalex.org/W3042420843","https://openalex.org/W3135550350","https://openalex.org/W3170989442","https://openalex.org/W3173151551","https://openalex.org/W3197829552","https://openalex.org/W4205244318","https://openalex.org/W4211266850","https://openalex.org/W4212817606","https://openalex.org/W4214511204","https://openalex.org/W4214643663","https://openalex.org/W4224290096","https://openalex.org/W4255953647","https://openalex.org/W4292212804","https://openalex.org/W4305007587","https://openalex.org/W4311702840","https://openalex.org/W4313397036","https://openalex.org/W4313854925","https://openalex.org/W4368362920","https://openalex.org/W4380740342","https://openalex.org/W4380985033","https://openalex.org/W4386783362","https://openalex.org/W4387227038","https://openalex.org/W4390032183","https://openalex.org/W4390565233","https://openalex.org/W4390775601","https://openalex.org/W4391656824","https://openalex.org/W4391973177","https://openalex.org/W4394935752","https://openalex.org/W4403316699","https://openalex.org/W4403562978","https://openalex.org/W4404626824","https://openalex.org/W4405304415","https://openalex.org/W6640963894","https://openalex.org/W6751536933","https://openalex.org/W6762226699","https://openalex.org/W6790478275","https://openalex.org/W6794072106","https://openalex.org/W6797132756","https://openalex.org/W6809646223","https://openalex.org/W6846053171"],"related_works":["https://openalex.org/W2806741695","https://openalex.org/W2961085424","https://openalex.org/W4306674287","https://openalex.org/W4290647774","https://openalex.org/W3189286258","https://openalex.org/W3207797160","https://openalex.org/W3210364259","https://openalex.org/W4387369504","https://openalex.org/W4394896187","https://openalex.org/W3170094116"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":4}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}
