{"id":"https://openalex.org/A5111928523","orcid":null,"observed_orcids":[],"display_name":"Junmin Cha","raw_author_names":["J.M. Cha","Jun-Min Cha","Jun-min Cha","Junmin Cha","\u8eca\u6fec\u654f","\ucc28\uc900\ubbfc"],"full_name":"Jun-min Cha","works_count":54,"cited_by_count":251,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":8,"i10_index":8},"ids":{"openalex":"https://openalex.org/A5111928523","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I119522612","ror":"https://ror.org/02eqchk86","display_name":"Daejeon University","country_code":"KR","type":"education","lineage":["https://openalex.org/I119522612"]},"years":[2008]},{"institution":{"id":"https://openalex.org/I151050371","ror":"https://ror.org/02532pm14","display_name":"International University of Korea","country_code":"KR","type":"education","lineage":["https://openalex.org/I151050371"]},"years":[2017]},{"institution":{"id":"https://openalex.org/I157394403","ror":"https://ror.org/005781934","display_name":"Baylor University","country_code":"US","type":"education","lineage":["https://openalex.org/I157394403"]},"years":[2010]},{"institution":{"id":"https://openalex.org/I189442560","ror":"https://ror.org/00saywf64","display_name":"Gyeongsang National University","country_code":"KR","type":"education","lineage":["https://openalex.org/I189442560"]},"years":[2010,2008]},{"institution":{"id":"https://openalex.org/I4405280282","ror":"https://ror.org/02q1xzn64","display_name":"Korea Western Power (South Korea)","country_code":"KR","type":"company","lineage":["https://openalex.org/I198972184","https://openalex.org/I4405280282"]},"years":[2010]},{"institution":{"id":"https://openalex.org/I52510681","ror":"https://ror.org/04be65q32","display_name":"Daejin University","country_code":"KR","type":"education","lineage":["https://openalex.org/I52510681"]},"years":[2018,2017,2016,2015,2014,2013,2011,2010,2009,2008,2007,2006,2003,2002,2001]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T11941","display_name":"Power System Reliability and Maintenance","count":41,"subfield":{"id":"https://openalex.org/subfields/2213","display_name":"Safety, Risk, Reliability and Quality"},"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/T10424","display_name":"Electric Power System Optimization","count":27,"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/T10780","display_name":"Reliability and Maintenance Optimization","count":24,"subfield":{"id":"https://openalex.org/subfields/2213","display_name":"Safety, Risk, Reliability and Quality"},"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/T10305","display_name":"Power System Optimization and Stability","count":19,"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/T14444","display_name":"Power Systems and Renewable Energy","count":7,"subfield":{"id":"https://openalex.org/subfields/2102","display_name":"Energy Engineering and Power Technology"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T11941","display_name":"Power System Reliability and Maintenance","value":0.0002881,"subfield":{"id":"https://openalex.org/subfields/2213","display_name":"Safety, Risk, Reliability and Quality"},"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/T10424","display_name":"Electric Power System Optimization","value":9.65e-05,"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/T10780","display_name":"Reliability and Maintenance Optimization","value":6.47e-05,"subfield":{"id":"https://openalex.org/subfields/2213","display_name":"Safety, Risk, Reliability and Quality"},"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/T10305","display_name":"Power System Optimization and Stability","value":6.39e-05,"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/T12804","display_name":"Thermal Analysis in Power Transmission","value":5.9e-05,"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"}}],"x_concepts":[{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.700857400894165},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.6378504633903503},{"id":"163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","score":0.5219468474388123},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.11199507117271423},{"id":"62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","score":0.0}],"counts_by_year":[{"year":2001,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2008,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":6,"oa_works_count":1,"cited_by_count":0},{"year":2011,"works_count":5,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":2,"oa_works_count":0,"cited_by_count":13},{"year":2013,"works_count":1,"oa_works_count":0,"cited_by_count":11},{"year":2014,"works_count":5,"oa_works_count":2,"cited_by_count":19},{"year":2015,"works_count":2,"oa_works_count":0,"cited_by_count":11},{"year":2016,"works_count":5,"oa_works_count":2,"cited_by_count":11},{"year":2017,"works_count":2,"oa_works_count":0,"cited_by_count":18},{"year":2018,"works_count":2,"oa_works_count":1,"cited_by_count":14},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2020,"works_count":2,"oa_works_count":0,"cited_by_count":15},{"year":2021,"works_count":1,"oa_works_count":0,"cited_by_count":25},{"year":2022,"works_count":1,"oa_works_count":0,"cited_by_count":15},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":10},{"year":2026,"works_count":1,"oa_works_count":0,"cited_by_count":4}],"display_name_alternatives":["J.M. Cha","Jun-Min Cha","Jun-min Cha","Junmin Cha","\u8eca\u6fec\u654f","\ucc28\uc900\ubbfc"],"block_key":"j cha","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111928523","awards_count":0,"updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}