{"id":"https://openalex.org/W2966772313","doi":"https://doi.org/10.1109/access.2019.2931734","title":"Disturbance Observer-Based Adaptive Current Control With Self-Learning Ability to Improve the Grid-Injected Current for $LCL$ -Filtered Grid-Connected Inverter","display_name":"Disturbance Observer-Based Adaptive Current Control With Self-Learning Ability to Improve the Grid-Injected Current for $LCL$ -Filtered Grid-Connected Inverter","publication_year":2019,"publication_date":"2019-01-01","ids":{"openalex":"https://openalex.org/W2966772313","doi":"https://doi.org/10.1109/access.2019.2931734","mag":"2966772313"},"language":"en","primary_location":{"id":"doi:10.1109/access.2019.2931734","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2931734","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08779641.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08779641.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100347857","display_name":"Jiahao Liu","orcid":"https://orcid.org/0000-0003-1145-3913"},"institutions":[{"id":"https://openalex.org/I96733725","display_name":"Shanghai Maritime University","ror":"https://ror.org/04z7qrj66","country_code":"CN","type":"education","lineage":["https://openalex.org/I96733725"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiahao Liu","raw_affiliation_strings":["Department of Electronic Engineering, Shanghai Maritime University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Shanghai Maritime University, Shanghai, China","institution_ids":["https://openalex.org/I96733725"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Weimin Wu","orcid":"https://orcid.org/0000-0002-1567-7917"},"institutions":[{"id":"https://openalex.org/I96733725","display_name":"Shanghai Maritime University","ror":"https://ror.org/04z7qrj66","country_code":"CN","type":"education","lineage":["https://openalex.org/I96733725"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weimin Wu","raw_affiliation_strings":["Department of Electronic Engineering, Shanghai Maritime University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-1567-7917","affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Shanghai Maritime University, Shanghai, China","institution_ids":["https://openalex.org/I96733725"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100679597","display_name":"Henry Shu-Hung Chung","orcid":"https://orcid.org/0000-0003-4890-8256"},"institutions":[{"id":"https://openalex.org/I168719708","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23","country_code":"HK","type":"education","lineage":["https://openalex.org/I168719708"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Henry Shu-Hung Chung","raw_affiliation_strings":["Department of Electronic Engineering, City University of Hong Kong, Hong Kong"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, City University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I168719708"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5039395705","display_name":"Frede Blaabjerg","orcid":"https://orcid.org/0000-0001-8311-7412"},"institutions":[{"id":"https://openalex.org/I891191580","display_name":"Aalborg University","ror":"https://ror.org/04m5j1k67","country_code":"DK","type":"education","lineage":["https://openalex.org/I891191580"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Frede Blaabjerg","raw_affiliation_strings":["Department of Energy Technology, Aalborg University, Aalborg, Denmark"],"raw_orcid":"https://orcid.org/0000-0001-8311-7412","affiliations":[{"raw_affiliation_string":"Department of Energy Technology, Aalborg University, Aalborg, Denmark","institution_ids":["https://openalex.org/I891191580"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":1.9341,"has_fulltext":true,"cited_by_count":26,"citation_normalized_percentile":{"value":0.85527084,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"7","issue":null,"first_page":"105376","last_page":"105390"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10223","display_name":"Microgrid Control and Optimization","score":0.9998999834060669,"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/T10223","display_name":"Microgrid Control and Optimization","score":0.9998999834060669,"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/T10228","display_name":"Multilevel Inverters and Converters","score":0.9969000220298767,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T10175","display_name":"Advanced DC-DC Converters","score":0.9945999979972839,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/control-theory","display_name":"Control theory (sociology)","score":0.8526821136474609},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.7150862216949463},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6563705205917358},{"id":"https://openalex.org/keywords/grid","display_name":"Grid","score":0.5911719799041748},{"id":"https://openalex.org/keywords/pid-controller","display_name":"PID controller","score":0.5041671991348267},{"id":"https://openalex.org/keywords/controller","display_name":"Controller (irrigation)","score":0.5010097026824951},{"id":"https://openalex.org/keywords/control-engineering","display_name":"Control engineering","score":0.46878018975257874},{"id":"https://openalex.org/keywords/inverter","display_name":"Inverter","score":0.468340128660202},{"id":"https://openalex.org/keywords/adaptive-control","display_name":"Adaptive control","score":0.45616915822029114},{"id":"https://openalex.org/keywords/robust-control","display_name":"Robust control","score":0.4372813403606415},{"id":"https://openalex.org/keywords/state-observer","display_name":"State observer","score":0.4295508861541748},{"id":"https://openalex.org/keywords/control-system","display_name":"Control system","score":0.3382103145122528},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.32359862327575684},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.26870638132095337},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.12277865409851074},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.09120115637779236},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.08425557613372803}],"concepts":[{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.8526821136474609},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.7150862216949463},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6563705205917358},{"id":"https://openalex.org/C187691185","wikidata":"https://www.wikidata.org/wiki/Q2020720","display_name":"Grid","level":2,"score":0.5911719799041748},{"id":"https://openalex.org/C47116090","wikidata":"https://www.wikidata.org/wiki/Q716829","display_name":"PID controller","level":3,"score":0.5041671991348267},{"id":"https://openalex.org/C203479927","wikidata":"https://www.wikidata.org/wiki/Q5165939","display_name":"Controller (irrigation)","level":2,"score":0.5010097026824951},{"id":"https://openalex.org/C133731056","wikidata":"https://www.wikidata.org/wiki/Q4917288","display_name":"Control engineering","level":1,"score":0.46878018975257874},{"id":"https://openalex.org/C11190779","wikidata":"https://www.wikidata.org/wiki/Q664575","display_name":"Inverter","level":3,"score":0.468340128660202},{"id":"https://openalex.org/C107464732","wikidata":"https://www.wikidata.org/wiki/Q235781","display_name":"Adaptive control","level":3,"score":0.45616915822029114},{"id":"https://openalex.org/C31531917","wikidata":"https://www.wikidata.org/wiki/Q915157","display_name":"Robust control","level":3,"score":0.4372813403606415},{"id":"https://openalex.org/C3031470","wikidata":"https://www.wikidata.org/wiki/Q818544","display_name":"State observer","level":3,"score":0.4295508861541748},{"id":"https://openalex.org/C17500928","wikidata":"https://www.wikidata.org/wiki/Q959968","display_name":"Control system","level":2,"score":0.3382103145122528},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.32359862327575684},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.26870638132095337},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.12277865409851074},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.09120115637779236},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.08425557613372803},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.0},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C536315585","wikidata":"https://www.wikidata.org/wiki/Q7698332","display_name":"Temperature control","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":4,"locations":[{"id":"doi:10.1109/access.2019.2931734","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2931734","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08779641.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:pure.atira.dk:publications/b9b0fa06-06ab-44d4-b853-0a39d569591c","is_oa":true,"landing_page_url":"https://vbn.aau.dk/da/publications/b9b0fa06-06ab-44d4-b853-0a39d569591c","pdf_url":null,"source":{"id":"https://openalex.org/S4306401731","display_name":"VBN Forskningsportal (Aalborg Universitet)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I891191580","host_organization_name":"Aalborg University","host_organization_lineage":["https://openalex.org/I891191580"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Liu, J, Wu, W, Chung, H S & Blaabjerg, F 2019, 'Disturbance Observer-Based Adaptive Current Control with Self-Learning Ability to Improve the Grid-Injected Current for LCL-Filtered Grid-Connected Inverter', IEEE Access, vol. 7, pp. 105376 - 105390. https://doi.org/10.1109/ACCESS.2019.2931734","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:doaj.org/article:10579213a9e04e9cb0b5f7a8bd9586bb","is_oa":true,"landing_page_url":"https://doaj.org/article/10579213a9e04e9cb0b5f7a8bd9586bb","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":"IEEE Access, Vol 7, Pp 105376-105390 (2019)","raw_type":"article"},{"id":"pmh:oai:pure.atira.dk:publications/c6bbcadf-e154-4f7c-ae3e-850553f35a54","is_oa":true,"landing_page_url":"https://hdl.handle.net/2031/c6bbcadf-e154-4f7c-ae3e-850553f35a54","pdf_url":null,"source":{"id":"https://openalex.org/S7407055387","display_name":"CityU Scholars","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","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Liu, J, Wu, W, Chung, H S-H & Blaabjerg, F 2019, 'Disturbance Observer-Based Adaptive Current Control With Self-Learning Ability to Improve the Grid-Injected Current for LCL -Filtered Grid-Connected Inverter', IEEE Access, vol. 7, 8779641, pp. 105376-105390. https://doi.org/10.1109/ACCESS.2019.2931734","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"doi:10.1109/access.2019.2931734","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2931734","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08779641.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.7099999785423279,"display_name":"Affordable and clean energy"}],"awards":[{"id":"https://openalex.org/G3406840625","display_name":null,"funder_award_id":"17040501500","funder_id":"https://openalex.org/F4320321885","funder_display_name":"Science and Technology Commission of Shanghai Municipality"},{"id":"https://openalex.org/G47801514","display_name":null,"funder_award_id":"51877130","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5823232479","display_name":null,"funder_award_id":"51577114","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"},{"id":"https://openalex.org/F4320321885","display_name":"Science and Technology Commission of Shanghai Municipality","ror":"https://ror.org/03kt66j61"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2966772313.pdf","grobid_xml":"https://content.openalex.org/works/W2966772313.grobid-xml"},"referenced_works_count":34,"referenced_works":["https://openalex.org/W1514518386","https://openalex.org/W1964443251","https://openalex.org/W1986510555","https://openalex.org/W1999680460","https://openalex.org/W2043755606","https://openalex.org/W2062208855","https://openalex.org/W2073084182","https://openalex.org/W2076040498","https://openalex.org/W2097654602","https://openalex.org/W2105558993","https://openalex.org/W2123885811","https://openalex.org/W2135493101","https://openalex.org/W2230652337","https://openalex.org/W2248702569","https://openalex.org/W2257619615","https://openalex.org/W2325396944","https://openalex.org/W2460221038","https://openalex.org/W2533045306","https://openalex.org/W2554186155","https://openalex.org/W2559932759","https://openalex.org/W2591422224","https://openalex.org/W2621973031","https://openalex.org/W2761718500","https://openalex.org/W2761986455","https://openalex.org/W2767538451","https://openalex.org/W2768871049","https://openalex.org/W2769087263","https://openalex.org/W2790085328","https://openalex.org/W2791241262","https://openalex.org/W2795789718","https://openalex.org/W2797417838","https://openalex.org/W2854505737","https://openalex.org/W2886812415","https://openalex.org/W2921111956"],"related_works":["https://openalex.org/W2108470770","https://openalex.org/W1512021029","https://openalex.org/W1972862722","https://openalex.org/W2281732014","https://openalex.org/W2063351494","https://openalex.org/W1562326332","https://openalex.org/W2319803529","https://openalex.org/W1550017747","https://openalex.org/W2969358681","https://openalex.org/W2152839317"],"abstract_inverted_index":{"During":[0],"the":[1,4,15,27,38,58,63,68,82,93,103,117,126,163,167,177,180],"design":[2],"of":[3,40,84,128,179],"conventional":[5],"current":[6,144],"controller":[7,56],"for":[8],"a":[9,45,96],"grid-connected":[10],"inverter":[11],"with":[12,57],"LCL":[13],"filter,":[14],"parameter":[16],"mismatches":[17],"and":[18,43,71,80,91,113,166,171],"disturbances":[19],"are":[20,74,173],"generally":[21],"neglected,":[22],"which":[23,160],"may":[24],"seriously":[25],"affect":[26],"control":[28,47,147,168],"performance,":[29,48],"even":[30],"result":[31],"in":[32,153],"instability.":[33],"In":[34],"order":[35],"to":[36,76,89,125,140,175],"improve":[37,142],"ability":[39,60],"disturbance":[41],"rejection":[42],"ensure":[44],"desired":[46],"this":[49],"paper":[50],"proposes":[51],"an":[52,131],"Adaptive":[53],"PID":[54],"(APID)":[55],"self-learning":[59],"based":[61],"on":[62],"Disturbance":[64],"Observer":[65],"(DOB).":[66],"First,":[67],"full":[69],"state-feedback":[70],"state":[72],"observer":[73],"utilized":[75],"achieve":[77],"active":[78],"damping":[79],"eliminate":[81],"effect":[83],"computational":[85],"delay.":[86],"Then,":[87],"aiming":[88],"estimate":[90],"compensate":[92],"lumped":[94],"disturbance,":[95],"DOB":[97],"is":[98,106,120,137],"designed.":[99],"Beneficial":[100],"from":[101],"DOB,":[102],"steady-state":[104],"performance":[105,119],"almost":[107],"not":[108],"affected":[109],"by":[110,156],"model":[111],"uncertainties":[112],"unmodeled":[114],"dynamics,":[115],"however,":[116],"transient":[118],"still":[121],"deteriorated":[122],"inevitably":[123],"due":[124],"limitation":[127],"DOB.":[129],"Thus,":[130],"online":[132],"adaptive":[133,157],"method":[134],"using":[135],"APID":[136],"finally":[138],"proposed":[139,181],"further":[141],"grid-injected":[143],"dynamics.":[145],"The":[146],"parameters":[148],"can":[149],"be":[150],"automatically":[151],"adjusted":[152],"real":[154],"time":[155],"learning":[158],"rule,":[159],"significantly":[161],"improves":[162],"system":[164],"robustness":[165],"performance.":[169],"Simulation":[170],"experiments":[172],"provided":[174],"demonstrate":[176],"effectiveness":[178],"strategy.":[182]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":1}],"updated_date":"2026-07-15T18:14:33.161393","created_date":"2019-08-13T00:00:00"}
