{"id":"https://openalex.org/W3069768664","doi":"https://doi.org/10.1109/access.2020.3016996","title":"Temporal Fluctuated Features of Metro Traction Load Current in DC Railway","display_name":"Temporal Fluctuated Features of Metro Traction Load Current in DC Railway","publication_year":2020,"publication_date":"2020-01-01","ids":{"openalex":"https://openalex.org/W3069768664","doi":"https://doi.org/10.1109/access.2020.3016996","mag":"3069768664"},"language":"en","primary_location":{"id":"doi:10.1109/access.2020.3016996","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3016996","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09169619.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/ielx7/6287639/8948470/09169619.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5048945617","display_name":"Gen Qian","orcid":"https://orcid.org/0000-0002-2157-0008"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Gen Qian","raw_affiliation_strings":["School of Electrical Engineering and Automation, Wuhan University, Wuhan, China"],"raw_orcid":"https://orcid.org/0000-0002-2157-0008","affiliations":[{"raw_affiliation_string":"School of Electrical Engineering and Automation, Wuhan University, Wuhan, China","institution_ids":["https://openalex.org/I37461747"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014808617","display_name":"Jianguo Wang","orcid":"https://orcid.org/0000-0002-6521-200X"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianguo Wang","raw_affiliation_strings":["School of Electrical Engineering and Automation, Wuhan University, Wuhan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering and Automation, Wuhan University, Wuhan, China","institution_ids":["https://openalex.org/I37461747"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060760448","display_name":"Yadong Fan","orcid":"https://orcid.org/0000-0001-7334-7716"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yadong Fan","raw_affiliation_strings":["School of Electrical Engineering and Automation, Wuhan University, Wuhan, China"],"raw_orcid":"https://orcid.org/0000-0001-7334-7716","affiliations":[{"raw_affiliation_string":"School of Electrical Engineering and Automation, Wuhan University, Wuhan, China","institution_ids":["https://openalex.org/I37461747"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073130587","display_name":"Mi Zhou","orcid":"https://orcid.org/0000-0001-8039-2179"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Mi Zhou","raw_affiliation_strings":["School of Electrical Engineering and Automation, Wuhan University, Wuhan, China"],"raw_orcid":"https://orcid.org/0000-0001-8039-2179","affiliations":[{"raw_affiliation_string":"School of Electrical Engineering and Automation, Wuhan University, Wuhan, China","institution_ids":["https://openalex.org/I37461747"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020614797","display_name":"Mengrong Gong","orcid":"https://orcid.org/0000-0002-3291-892X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mengrong Gong","raw_affiliation_strings":["China Railway Siyuan Survey and Design Group Company Ltd., Wuhan, China"],"raw_orcid":"https://orcid.org/0000-0002-3291-892X","affiliations":[{"raw_affiliation_string":"China Railway Siyuan Survey and Design Group Company Ltd., Wuhan, China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101819776","display_name":"Wen Chen","orcid":"https://orcid.org/0000-0003-2093-9616"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wen Chen","raw_affiliation_strings":["School of Electrical Engineering and Automation, Wuhan University, Wuhan, China"],"raw_orcid":"https://orcid.org/0000-0003-2093-9616","affiliations":[{"raw_affiliation_string":"School of Electrical Engineering and Automation, Wuhan University, Wuhan, China","institution_ids":["https://openalex.org/I37461747"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"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":0.1808,"has_fulltext":true,"cited_by_count":3,"citation_normalized_percentile":{"value":0.59414742,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":95},"biblio":{"volume":"8","issue":null,"first_page":"150301","last_page":"150310"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11568","display_name":"Railway Systems and Energy Efficiency","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2209","display_name":"Industrial and Manufacturing 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/T11568","display_name":"Railway Systems and Energy Efficiency","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2209","display_name":"Industrial and Manufacturing 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/T11344","display_name":"Traffic Prediction and Management Techniques","score":0.9973000288009644,"subfield":{"id":"https://openalex.org/subfields/2215","display_name":"Building and Construction"},"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/T10698","display_name":"Transportation Planning and Optimization","score":0.9958000183105469,"subfield":{"id":"https://openalex.org/subfields/3313","display_name":"Transportation"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/waveform","display_name":"Waveform","score":0.5653706789016724},{"id":"https://openalex.org/keywords/saddle","display_name":"Saddle","score":0.5501452684402466},{"id":"https://openalex.org/keywords/traction","display_name":"Traction (geology)","score":0.5240542888641357},{"id":"https://openalex.org/keywords/current","display_name":"Current (fluid)","score":0.49114152789115906},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.42127418518066406},{"id":"https://openalex.org/keywords/peak-current","display_name":"Peak current","score":0.41714373230934143},{"id":"https://openalex.org/keywords/line","display_name":"Line (geometry)","score":0.4150409996509552},{"id":"https://openalex.org/keywords/interval","display_name":"Interval (graph theory)","score":0.4113718271255493},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3832077383995056},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.3714171350002289},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.368000864982605},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.26820796728134155},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.17888081073760986},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.15664836764335632},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.14178603887557983},{"id":"https://openalex.org/keywords/electrode","display_name":"Electrode","score":0.13291198015213013}],"concepts":[{"id":"https://openalex.org/C197424946","wikidata":"https://www.wikidata.org/wiki/Q1165717","display_name":"Waveform","level":3,"score":0.5653706789016724},{"id":"https://openalex.org/C2777127463","wikidata":"https://www.wikidata.org/wiki/Q10862618","display_name":"Saddle","level":2,"score":0.5501452684402466},{"id":"https://openalex.org/C38834483","wikidata":"https://www.wikidata.org/wiki/Q17000223","display_name":"Traction (geology)","level":2,"score":0.5240542888641357},{"id":"https://openalex.org/C148043351","wikidata":"https://www.wikidata.org/wiki/Q4456944","display_name":"Current (fluid)","level":2,"score":0.49114152789115906},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.42127418518066406},{"id":"https://openalex.org/C2982819079","wikidata":"https://www.wikidata.org/wiki/Q1185136","display_name":"Peak current","level":4,"score":0.41714373230934143},{"id":"https://openalex.org/C198352243","wikidata":"https://www.wikidata.org/wiki/Q37105","display_name":"Line (geometry)","level":2,"score":0.4150409996509552},{"id":"https://openalex.org/C2778067643","wikidata":"https://www.wikidata.org/wiki/Q166507","display_name":"Interval (graph theory)","level":2,"score":0.4113718271255493},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3832077383995056},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3714171350002289},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.368000864982605},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.26820796728134155},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.17888081073760986},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.15664836764335632},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.14178603887557983},{"id":"https://openalex.org/C17525397","wikidata":"https://www.wikidata.org/wiki/Q176140","display_name":"Electrode","level":2,"score":0.13291198015213013},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0},{"id":"https://openalex.org/C114793014","wikidata":"https://www.wikidata.org/wiki/Q52109","display_name":"Geomorphology","level":1,"score":0.0},{"id":"https://openalex.org/C52859227","wikidata":"https://www.wikidata.org/wiki/Q7877","display_name":"Electrochemistry","level":3,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2020.3016996","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3016996","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09169619.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:doaj.org/article:3db83ad374244cf4acb11b4b7de01454","is_oa":true,"landing_page_url":"https://doaj.org/article/3db83ad374244cf4acb11b4b7de01454","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 8, Pp 150301-150310 (2020)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2020.3016996","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3016996","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09169619.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":[],"awards":[{"id":"https://openalex.org/G4351750237","display_name":"\u5730\u94c1\u96a7\u9053\u6742\u6563\u7535\u6d41\u8150\u8680\u4e0e\u94a2\u7ed3\u6784\u6781\u5316\u7535\u4f4d\u8026\u5408\u673a\u5236\u57fa\u7840\u7814\u7a76","funder_award_id":"51877158","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"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3069768664.pdf","grobid_xml":"https://content.openalex.org/works/W3069768664.grobid-xml"},"referenced_works_count":27,"referenced_works":["https://openalex.org/W1976023603","https://openalex.org/W1983282257","https://openalex.org/W1995299940","https://openalex.org/W1997958325","https://openalex.org/W2026372759","https://openalex.org/W2042531309","https://openalex.org/W2065528106","https://openalex.org/W2072133671","https://openalex.org/W2116929556","https://openalex.org/W2120757907","https://openalex.org/W2148567626","https://openalex.org/W2159006587","https://openalex.org/W2163756206","https://openalex.org/W2170324461","https://openalex.org/W2288613577","https://openalex.org/W2332346028","https://openalex.org/W2340487166","https://openalex.org/W2406818619","https://openalex.org/W2507613459","https://openalex.org/W2509085186","https://openalex.org/W2604920261","https://openalex.org/W2793805680","https://openalex.org/W2904168262","https://openalex.org/W2945879215","https://openalex.org/W2996885168","https://openalex.org/W3009229632","https://openalex.org/W3031844275"],"related_works":["https://openalex.org/W1974895211","https://openalex.org/W2129841057","https://openalex.org/W3040712279","https://openalex.org/W2176409448","https://openalex.org/W2364769705","https://openalex.org/W2056136368","https://openalex.org/W2374664672","https://openalex.org/W4367555392","https://openalex.org/W2538520412","https://openalex.org/W2883092465"],"abstract_inverted_index":{"24-hour":[0],"traction":[1],"current":[2,30,133,146],"based":[3],"on":[4],"Wuhan":[5],"Metro":[6],"Line":[7],"6":[8],"are":[9,25,138],"reported.":[10],"The":[11,37,46,61,78,87,105,124,163,190],"fluctuation":[12],"features,":[13],"which":[14],"corresponding":[15],"to":[16,101,183],"the":[17,34,95,127,145,184,205,219],"interval":[18,106],"of":[19,28,41,54,65,82,107,131,180,187,207,216,218],"vehicle":[20],"operation,":[21],"indicate":[22],"that":[23,144,159],"there":[24],"four":[26],"types":[27],"inrush":[29],"periodically":[31],"appearing":[32],"throughout":[33],"all-day":[35],"waveforms.":[36,86],"first":[38],"type":[39,48,63,80],"consists":[40,53,64,81],"two":[42,55,66,83,109,220],"positive":[43,56,128],"sharp":[44,72],"waves.":[45],"second":[47],"is":[49,112,151],"saddle":[50],"shaped,":[51],"and":[52,58,97,115,121,126,140,209],"peaks":[57,68],"an":[59,172],"anti-peak.":[60],"third":[62],"double":[67],"followed":[69],"by":[70],"a":[71,155,212],"peak":[73,96,120,161],"about":[74],"1":[75],"minute":[76],"later.":[77],"fourth":[79],"hump":[84],"shaped":[85],"whole":[88],"operation":[89],"time":[90,186],"can":[91,174],"be":[92,175],"divided":[93],"into":[94],"off-peak":[98,122,149],"hours":[99,150],"according":[100],"these":[102],"repetitive":[103,188],"segments.":[104,189],"any":[108],"adjacent":[110],"vehicles":[111],"9":[113],"minutes":[114],"11":[116],"minutes,":[117],"respectively,":[118],"in":[119,148,154,160,165,171,211],"hours.":[123,162],"distribution":[125,147],"average":[129],"value":[130],"feeder":[132,198],"per":[134],"hour":[135,173],"from":[136],"6:00-24:00":[137],"counted":[139],"analyzed.":[141],"Results":[142],"show":[143],"more":[152],"concentrated":[153],"narrower":[156],"range":[157],"than":[158],"differences":[164],"averages":[166],"between":[167],"various":[168],"15-minute":[169],"periods":[170],"as":[176,178],"high":[177],"tens":[179],"amperes,":[181],"due":[182],"occurrence":[185],"rail":[191],"potential":[192],"has":[193],"relatively":[194],"consistent":[195],"variation":[196],"with":[197,204],"currents,":[199],"but":[200],"it":[201],"matched":[202],"best":[203],"sum":[206],"up-line":[208],"down-line":[210],"same":[213],"section":[214],"instead":[215],"one":[217],"lines.":[221]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}