{"id":"https://openalex.org/W7160839798","doi":"https://doi.org/10.1016/j.aei.2026.104794","title":"LightLLM4FDD: Domain-specific lightweight large language models for fault detection and diagnosis in building HVAC systems","display_name":"LightLLM4FDD: Domain-specific lightweight large language models for fault detection and diagnosis in building HVAC systems","publication_year":2026,"publication_date":"2026-05-11","ids":{"openalex":"https://openalex.org/W7160839798","doi":"https://doi.org/10.1016/j.aei.2026.104794"},"language":"en","primary_location":{"id":"doi:10.1016/j.aei.2026.104794","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.aei.2026.104794","pdf_url":null,"source":{"id":"https://openalex.org/S112141509","display_name":"Advanced Engineering Informatics","issn_l":"1474-0346","issn":["1474-0346","1873-5320"],"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":"Advanced Engineering Informatics","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/A5135861085","display_name":"Jian Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":true,"raw_author_name":"Jian Zhang","raw_affiliation_strings":["Department of Building Environment and Energy Engineering, The Hong Kong Polytechnic University, Hong Kong, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Building Environment and Energy Engineering, The Hong Kong Polytechnic University, Hong Kong, China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5135844451","display_name":"Feng (Eva) Wang","orcid":null},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Feng (Eva) Wang","raw_affiliation_strings":["Department of Building Environment and Energy Engineering, The Hong Kong Polytechnic University, Hong Kong, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Building Environment and Energy Engineering, The Hong Kong Polytechnic University, Hong Kong, China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5135872645","display_name":"Chaobo Zhang","orcid":"https://orcid.org/0000-0001-6005-1051"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":true,"raw_author_name":"Chaobo Zhang","raw_affiliation_strings":["Department of Building Environment and Energy Engineering, The Hong Kong Polytechnic University, Hong Kong, China"],"raw_orcid":"https://orcid.org/0000-0001-6005-1051","affiliations":[{"raw_affiliation_string":"Department of Building Environment and Energy Engineering, The Hong Kong Polytechnic University, Hong Kong, China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5135839731","display_name":"Yizhi Liu","orcid":null},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yizhi Liu","raw_affiliation_strings":["Institute of Refrigeration and Cryogenics, Zhejiang University, Hangzhou, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Refrigeration and Cryogenics, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5135846874","display_name":"Jie Lu","orcid":null},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jie Lu","raw_affiliation_strings":["Institute of Refrigeration and Cryogenics, Zhejiang University, Hangzhou, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Refrigeration and Cryogenics, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5135864186","display_name":"Yang Zhao","orcid":null},"institutions":[{"id":"https://openalex.org/I4210092870","display_name":"Jiaxing University","ror":"https://ror.org/00j2a7k55","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210092870"]},{"id":"https://openalex.org/I4210151723","display_name":"Institute of Refrigeration","ror":"https://ror.org/046jmy298","country_code":"GB","type":"nonprofit","lineage":["https://openalex.org/I4210151723"]},{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN","GB"],"is_corresponding":false,"raw_author_name":"Yang Zhao","raw_affiliation_strings":["Institute of Refrigeration and Cryogenics, Zhejiang University, Hangzhou, China","Zhejiang Key Laboratory of Refrigeration and Cryogenics Technology, Jiaxing Research Institute, Zhejiang University, Jiaxing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Refrigeration and Cryogenics, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]},{"raw_affiliation_string":"Zhejiang Key Laboratory of Refrigeration and Cryogenics Technology, Jiaxing Research Institute, Zhejiang University, Jiaxing, China","institution_ids":["https://openalex.org/I4210092870","https://openalex.org/I4210151723"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5135861085","https://openalex.org/A5135872645"],"corresponding_institution_ids":["https://openalex.org/I14243506"],"apc_list":{"value":3570,"currency":"USD","value_usd":3570},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.56668944,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"74","issue":null,"first_page":"104794","last_page":"104794"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12127","display_name":"Software System Performance and Reliability","score":0.09709999710321426,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T12127","display_name":"Software System Performance and Reliability","score":0.09709999710321426,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.08900000154972076,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T13197","display_name":"Spreadsheets and End-User Computing","score":0.052799999713897705,"subfield":{"id":"https://openalex.org/subfields/1712","display_name":"Software"},"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/fault-detection-and-isolation","display_name":"Fault detection and isolation","score":0.6499999761581421},{"id":"https://openalex.org/keywords/hvac","display_name":"HVAC","score":0.6068999767303467},{"id":"https://openalex.org/keywords/fault","display_name":"Fault (geology)","score":0.4700999855995178},{"id":"https://openalex.org/keywords/reliability","display_name":"Reliability (semiconductor)","score":0.30880001187324524},{"id":"https://openalex.org/keywords/building-automation","display_name":"Building automation","score":0.29030001163482666}],"concepts":[{"id":"https://openalex.org/C152745839","wikidata":"https://www.wikidata.org/wiki/Q5438153","display_name":"Fault detection and isolation","level":3,"score":0.6499999761581421},{"id":"https://openalex.org/C122346748","wikidata":"https://www.wikidata.org/wiki/Q1798773","display_name":"HVAC","level":3,"score":0.6068999767303467},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5418999791145325},{"id":"https://openalex.org/C175551986","wikidata":"https://www.wikidata.org/wiki/Q47089","display_name":"Fault (geology)","level":2,"score":0.4700999855995178},{"id":"https://openalex.org/C200601418","wikidata":"https://www.wikidata.org/wiki/Q2193887","display_name":"Reliability engineering","level":1,"score":0.4397999942302704},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.4043999910354614},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.37070000171661377},{"id":"https://openalex.org/C43214815","wikidata":"https://www.wikidata.org/wiki/Q7310987","display_name":"Reliability (semiconductor)","level":3,"score":0.30880001187324524},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.30379998683929443},{"id":"https://openalex.org/C83931994","wikidata":"https://www.wikidata.org/wiki/Q1149653","display_name":"Building automation","level":2,"score":0.29030001163482666},{"id":"https://openalex.org/C133731056","wikidata":"https://www.wikidata.org/wiki/Q4917288","display_name":"Control engineering","level":1,"score":0.27880001068115234},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.27160000801086426},{"id":"https://openalex.org/C2779714256","wikidata":"https://www.wikidata.org/wiki/Q25305062","display_name":"Multiple Models","level":2,"score":0.2531000077724457}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/j.aei.2026.104794","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.aei.2026.104794","pdf_url":null,"source":{"id":"https://openalex.org/S112141509","display_name":"Advanced Engineering Informatics","issn_l":"1474-0346","issn":["1474-0346","1873-5320"],"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":"Advanced Engineering Informatics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":46,"referenced_works":["https://openalex.org/W621010661","https://openalex.org/W1528237199","https://openalex.org/W2012833704","https://openalex.org/W2059668481","https://openalex.org/W2089662726","https://openalex.org/W2120058970","https://openalex.org/W2170505850","https://openalex.org/W2490428321","https://openalex.org/W2730805388","https://openalex.org/W2902260055","https://openalex.org/W2938814897","https://openalex.org/W3034238904","https://openalex.org/W3168442825","https://openalex.org/W3171786194","https://openalex.org/W3177765786","https://openalex.org/W3210569439","https://openalex.org/W4206261424","https://openalex.org/W4234121072","https://openalex.org/W4255381694","https://openalex.org/W4283770334","https://openalex.org/W4304114014","https://openalex.org/W4361026914","https://openalex.org/W4379598302","https://openalex.org/W4380987486","https://openalex.org/W4389520695","https://openalex.org/W4394834506","https://openalex.org/W4399852148","https://openalex.org/W4402525770","https://openalex.org/W4402667093","https://openalex.org/W4405365798","https://openalex.org/W4405424322","https://openalex.org/W4405841623","https://openalex.org/W4406532845","https://openalex.org/W4407451025","https://openalex.org/W4407706848","https://openalex.org/W4412025963","https://openalex.org/W4412888662","https://openalex.org/W4414479184","https://openalex.org/W4415518013","https://openalex.org/W4415762705","https://openalex.org/W4415823117","https://openalex.org/W4416392259","https://openalex.org/W4416404598","https://openalex.org/W4416414989","https://openalex.org/W4416432328","https://openalex.org/W7103886088"],"related_works":[],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-06-19T15:47:20.252518","created_date":"2026-05-12T00:00:00"}