{"id":"https://openalex.org/W7163213694","doi":"https://doi.org/10.1016/j.dsp.2026.106301","title":"Bearing fault diagnosis via PCA-constrained recursive angular matrix and attention-enhanced CNN","display_name":"Bearing fault diagnosis via PCA-constrained recursive angular matrix and attention-enhanced CNN","publication_year":2026,"publication_date":"2026-06-02","ids":{"openalex":"https://openalex.org/W7163213694","doi":"https://doi.org/10.1016/j.dsp.2026.106301"},"language":"en","primary_location":{"id":"doi:10.1016/j.dsp.2026.106301","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.dsp.2026.106301","pdf_url":null,"source":{"id":"https://openalex.org/S64117906","display_name":"Digital Signal Processing","issn_l":"1051-2004","issn":["1051-2004","1095-4333"],"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":"Digital Signal Processing","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/A5137617729","display_name":"Long Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I13985625","display_name":"East China Jiaotong University","ror":"https://ror.org/05x2f1m38","country_code":"CN","type":"education","lineage":["https://openalex.org/I13985625"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Long Zhang","raw_affiliation_strings":["Key Laboratory of Transportation Intelligent Operation and Maintenance Technology and Equipment(East China Jiaotong University), Ministry of Education, Nanchang, 330013, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Transportation Intelligent Operation and Maintenance Technology and Equipment(East China Jiaotong University), Ministry of Education, Nanchang, 330013, China","institution_ids":["https://openalex.org/I13985625"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137642392","display_name":"Jianping Yu","orcid":"https://orcid.org/0009-0007-2449-9263"},"institutions":[{"id":"https://openalex.org/I13985625","display_name":"East China Jiaotong University","ror":"https://ror.org/05x2f1m38","country_code":"CN","type":"education","lineage":["https://openalex.org/I13985625"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianping Yu","raw_affiliation_strings":["Key Laboratory of Transportation Intelligent Operation and Maintenance Technology and Equipment(East China Jiaotong University), Ministry of Education, Nanchang, 330013, China"],"raw_orcid":"https://orcid.org/0009-0007-2449-9263","affiliations":[{"raw_affiliation_string":"Key Laboratory of Transportation Intelligent Operation and Maintenance Technology and Equipment(East China Jiaotong University), Ministry of Education, Nanchang, 330013, China","institution_ids":["https://openalex.org/I13985625"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058464361","display_name":"J S Liu","orcid":null},"institutions":[{"id":"https://openalex.org/I13985625","display_name":"East China Jiaotong University","ror":"https://ror.org/05x2f1m38","country_code":"CN","type":"education","lineage":["https://openalex.org/I13985625"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Jiayang Liu","raw_affiliation_strings":["Key Laboratory of Transportation Intelligent Operation and Maintenance Technology and Equipment(East China Jiaotong University), Ministry of Education, Nanchang, 330013, China"],"raw_orcid":"https://orcid.org/0000-0002-5271-6284","affiliations":[{"raw_affiliation_string":"Key Laboratory of Transportation Intelligent Operation and Maintenance Technology and Equipment(East China Jiaotong University), Ministry of Education, Nanchang, 330013, China","institution_ids":["https://openalex.org/I13985625"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101817290","display_name":"Hesheng Liu","orcid":"https://orcid.org/0000-0003-4900-0039"},"institutions":[{"id":"https://openalex.org/I13985625","display_name":"East China Jiaotong University","ror":"https://ror.org/05x2f1m38","country_code":"CN","type":"education","lineage":["https://openalex.org/I13985625"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hesheng Liu","raw_affiliation_strings":["Key Laboratory of Transportation Intelligent Operation and Maintenance Technology and Equipment(East China Jiaotong University), Ministry of Education, Nanchang, 330013, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Transportation Intelligent Operation and Maintenance Technology and Equipment(East China Jiaotong University), Ministry of Education, Nanchang, 330013, China","institution_ids":["https://openalex.org/I13985625"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054605597","display_name":"Faxian Wang","orcid":null},"institutions":[{"id":"https://openalex.org/I4210118977","display_name":"Shanghai Tunnel Engineering Rail Transit Design & Research Institute","ror":"https://ror.org/02zznv955","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210118977"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Faxian Wang","raw_affiliation_strings":["Beijing North Gofront Rail Transit Technology Co., Ltd, Beijing, 102604, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing North Gofront Rail Transit Technology Co., Ltd, Beijing, 102604, China","institution_ids":["https://openalex.org/I4210118977"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064875623","display_name":"Dongkai Liu","orcid":null},"institutions":[{"id":"https://openalex.org/I4210118977","display_name":"Shanghai Tunnel Engineering Rail Transit Design & Research Institute","ror":"https://ror.org/02zznv955","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210118977"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dongkai Liu","raw_affiliation_strings":["Beijing North Gofront Rail Transit Technology Co., Ltd, Beijing, 102604, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing North Gofront Rail Transit Technology Co., Ltd, Beijing, 102604, China","institution_ids":["https://openalex.org/I4210118977"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137629031","display_name":"Liangliang Sun","orcid":null},"institutions":[{"id":"https://openalex.org/I4210118977","display_name":"Shanghai Tunnel Engineering Rail Transit Design & Research Institute","ror":"https://ror.org/02zznv955","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210118977"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Liangliang Sun","raw_affiliation_strings":["Beijing North Gofront Rail Transit Technology Co., Ltd, Beijing, 102604, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing North Gofront Rail Transit Technology Co., Ltd, Beijing, 102604, China","institution_ids":["https://openalex.org/I4210118977"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5137653216","display_name":"Yuanming Pan","orcid":null},"institutions":[{"id":"https://openalex.org/I13985625","display_name":"East China Jiaotong University","ror":"https://ror.org/05x2f1m38","country_code":"CN","type":"education","lineage":["https://openalex.org/I13985625"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuanming Pan","raw_affiliation_strings":["Key Laboratory of Transportation Intelligent Operation and Maintenance Technology and Equipment(East China Jiaotong University), Ministry of Education, Nanchang, 330013, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Transportation Intelligent Operation and Maintenance Technology and Equipment(East China Jiaotong University), Ministry of Education, Nanchang, 330013, China","institution_ids":["https://openalex.org/I13985625"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":8,"corresponding_author_ids":["https://openalex.org/A5058464361"],"corresponding_institution_ids":["https://openalex.org/I13985625"],"apc_list":{"value":2480,"currency":"USD","value_usd":2480},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.87663377,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"182","issue":null,"first_page":"106301","last_page":"106301"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10220","display_name":"Machine Fault Diagnosis Techniques","score":0.9887999892234802,"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":0.9887999892234802,"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/T11062","display_name":"Gear and Bearing Dynamics Analysis","score":0.0013000000035390258,"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/T12676","display_name":"Machine Learning and ELM","score":0.000699999975040555,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/gramian-matrix","display_name":"Gramian matrix","score":0.609499990940094},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.5764999985694885},{"id":"https://openalex.org/keywords/discriminative-model","display_name":"Discriminative model","score":0.5519999861717224},{"id":"https://openalex.org/keywords/convolutional-neural-network","display_name":"Convolutional neural network","score":0.5184000134468079},{"id":"https://openalex.org/keywords/categorical-variable","display_name":"Categorical variable","score":0.4498000144958496},{"id":"https://openalex.org/keywords/fault","display_name":"Fault (geology)","score":0.4250999987125397},{"id":"https://openalex.org/keywords/fault-detection-and-isolation","display_name":"Fault detection and isolation","score":0.39239999651908875},{"id":"https://openalex.org/keywords/sparse-approximation","display_name":"Sparse approximation","score":0.3837999999523163},{"id":"https://openalex.org/keywords/principal-component-analysis","display_name":"Principal component analysis","score":0.3813999891281128},{"id":"https://openalex.org/keywords/feature-learning","display_name":"Feature learning","score":0.3813000023365021}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7002000212669373},{"id":"https://openalex.org/C77246614","wikidata":"https://www.wikidata.org/wiki/Q1409400","display_name":"Gramian matrix","level":3,"score":0.609499990940094},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.5764999985694885},{"id":"https://openalex.org/C97931131","wikidata":"https://www.wikidata.org/wiki/Q5282087","display_name":"Discriminative model","level":2,"score":0.5519999861717224},{"id":"https://openalex.org/C81363708","wikidata":"https://www.wikidata.org/wiki/Q17084460","display_name":"Convolutional neural network","level":2,"score":0.5184000134468079},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4943000078201294},{"id":"https://openalex.org/C5274069","wikidata":"https://www.wikidata.org/wiki/Q2285707","display_name":"Categorical variable","level":2,"score":0.4498000144958496},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.43070000410079956},{"id":"https://openalex.org/C175551986","wikidata":"https://www.wikidata.org/wiki/Q47089","display_name":"Fault (geology)","level":2,"score":0.4250999987125397},{"id":"https://openalex.org/C152745839","wikidata":"https://www.wikidata.org/wiki/Q5438153","display_name":"Fault detection and isolation","level":3,"score":0.39239999651908875},{"id":"https://openalex.org/C124066611","wikidata":"https://www.wikidata.org/wiki/Q28684319","display_name":"Sparse approximation","level":2,"score":0.3837999999523163},{"id":"https://openalex.org/C27438332","wikidata":"https://www.wikidata.org/wiki/Q2873","display_name":"Principal component analysis","level":2,"score":0.3813999891281128},{"id":"https://openalex.org/C59404180","wikidata":"https://www.wikidata.org/wiki/Q17013334","display_name":"Feature learning","level":2,"score":0.3813000023365021},{"id":"https://openalex.org/C165443888","wikidata":"https://www.wikidata.org/wiki/Q1482183","display_name":"Transformation matrix","level":3,"score":0.3763999938964844},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.3614000082015991},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.34950000047683716},{"id":"https://openalex.org/C3826847","wikidata":"https://www.wikidata.org/wiki/Q188768","display_name":"FLOPS","level":2,"score":0.3431999981403351},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.3407999873161316},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.33219999074935913},{"id":"https://openalex.org/C199978012","wikidata":"https://www.wikidata.org/wiki/Q1273815","display_name":"Bearing (navigation)","level":2,"score":0.32670000195503235},{"id":"https://openalex.org/C83665646","wikidata":"https://www.wikidata.org/wiki/Q42139305","display_name":"Feature vector","level":2,"score":0.31630000472068787},{"id":"https://openalex.org/C70518039","wikidata":"https://www.wikidata.org/wiki/Q16000077","display_name":"Dimensionality reduction","level":2,"score":0.31540000438690186},{"id":"https://openalex.org/C189950617","wikidata":"https://www.wikidata.org/wiki/Q937228","display_name":"Property (philosophy)","level":2,"score":0.3149999976158142},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.3086000084877014},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.3068999946117401},{"id":"https://openalex.org/C56372850","wikidata":"https://www.wikidata.org/wiki/Q1050404","display_name":"Sparse matrix","level":3,"score":0.30079999566078186},{"id":"https://openalex.org/C108583219","wikidata":"https://www.wikidata.org/wiki/Q197536","display_name":"Deep learning","level":2,"score":0.2996000051498413},{"id":"https://openalex.org/C33676613","wikidata":"https://www.wikidata.org/wiki/Q13415176","display_name":"Dimension (graph theory)","level":2,"score":0.2915000021457672},{"id":"https://openalex.org/C204241405","wikidata":"https://www.wikidata.org/wiki/Q461499","display_name":"Transformation (genetics)","level":3,"score":0.2897999882698059},{"id":"https://openalex.org/C70836080","wikidata":"https://www.wikidata.org/wiki/Q837940","display_name":"Impulse (physics)","level":2,"score":0.2766999900341034},{"id":"https://openalex.org/C70437156","wikidata":"https://www.wikidata.org/wiki/Q7228652","display_name":"Pooling","level":2,"score":0.2761000096797943},{"id":"https://openalex.org/C45347329","wikidata":"https://www.wikidata.org/wiki/Q5166604","display_name":"Convolution (computer science)","level":3,"score":0.27549999952316284},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.2754000127315521},{"id":"https://openalex.org/C72279823","wikidata":"https://www.wikidata.org/wiki/Q1139726","display_name":"Impulse response","level":2,"score":0.27129998803138733},{"id":"https://openalex.org/C177148314","wikidata":"https://www.wikidata.org/wiki/Q170084","display_name":"Generalization","level":2,"score":0.2524999976158142}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/j.dsp.2026.106301","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.dsp.2026.106301","pdf_url":null,"source":{"id":"https://openalex.org/S64117906","display_name":"Digital Signal Processing","issn_l":"1051-2004","issn":["1051-2004","1095-4333"],"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":"Digital Signal Processing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/10","score":0.7038299441337585,"display_name":"Reduced inequalities"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320322665","display_name":"Natural Science Foundation of Jiangxi Province","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W2914334963","https://openalex.org/W3026117520","https://openalex.org/W3155552745","https://openalex.org/W4200086463","https://openalex.org/W4280537501","https://openalex.org/W4281398915","https://openalex.org/W4283214786","https://openalex.org/W4284887971","https://openalex.org/W4309197050","https://openalex.org/W4313657018","https://openalex.org/W4387609185","https://openalex.org/W4388878371","https://openalex.org/W4389274728","https://openalex.org/W4392752915","https://openalex.org/W4404343884","https://openalex.org/W4407684861","https://openalex.org/W4409577692","https://openalex.org/W4410252555","https://openalex.org/W4410737875","https://openalex.org/W4412441643","https://openalex.org/W4414923244","https://openalex.org/W4415503287"],"related_works":[],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2026-06-03T00:00:00"}