{"id":"https://openalex.org/W1974352474","doi":"https://doi.org/10.1109/iros.2012.6386104","title":"Modeling and motion analysis of fixed-pitch co-axial rotor unmanned helicopter","display_name":"Modeling and motion analysis of fixed-pitch co-axial rotor unmanned helicopter","publication_year":2012,"publication_date":"2012-10-01","ids":{"openalex":"https://openalex.org/W1974352474","doi":"https://doi.org/10.1109/iros.2012.6386104","mag":"1974352474"},"language":"en","primary_location":{"id":"doi:10.1109/iros.2012.6386104","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iros.2012.6386104","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE/RSJ International Conference on Intelligent Robots and Systems","raw_type":"proceedings-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/A5027868267","display_name":"Satoshi Suzuki","orcid":"https://orcid.org/0000-0001-5343-4660"},"institutions":[{"id":"https://openalex.org/I137975476","display_name":"Shinshu University","ror":"https://ror.org/0244rem06","country_code":"JP","type":"education","lineage":["https://openalex.org/I137975476"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Satoshi Suzuki","raw_affiliation_strings":["Young Researchers Empowerment Center, Shinshu University, Nagano, Japan"],"affiliations":[{"raw_affiliation_string":"Young Researchers Empowerment Center, Shinshu University, Nagano, Japan","institution_ids":["https://openalex.org/I137975476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025527652","display_name":"Takahiro Ishii","orcid":"https://orcid.org/0000-0003-1664-6191"},"institutions":[{"id":"https://openalex.org/I137975476","display_name":"Shinshu University","ror":"https://ror.org/0244rem06","country_code":"JP","type":"education","lineage":["https://openalex.org/I137975476"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takahiro Ishii","raw_affiliation_strings":["Graduate School of Science and Technology, Shinshu University, Nagano, Japan","[Graduate School of Science and Technology, Shinshu University, Nagano, Japan]"],"affiliations":[{"raw_affiliation_string":"Graduate School of Science and Technology, Shinshu University, Nagano, Japan","institution_ids":["https://openalex.org/I137975476"]},{"raw_affiliation_string":"[Graduate School of Science and Technology, Shinshu University, Nagano, Japan]","institution_ids":["https://openalex.org/I137975476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089999928","display_name":"Gennai Yanagisawa","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Gennai Yanagisawa","raw_affiliation_strings":["GEN Corporation, Nagano, Japan"],"affiliations":[{"raw_affiliation_string":"GEN Corporation, Nagano, Japan","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018893951","display_name":"Kazuki Tomita","orcid":null},"institutions":[{"id":"https://openalex.org/I126592722","display_name":"Nagano University","ror":"https://ror.org/03aptyv62","country_code":"JP","type":"education","lineage":["https://openalex.org/I126592722"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kazuki Tomita","raw_affiliation_strings":["Engineering System, Nagano, Japan"],"affiliations":[{"raw_affiliation_string":"Engineering System, Nagano, Japan","institution_ids":["https://openalex.org/I126592722"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5022986443","display_name":"Yasutoshi Yokoyama","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yasutoshi Yokoyama","raw_affiliation_strings":["GEN Corporation, Nagano, Japan"],"affiliations":[{"raw_affiliation_string":"GEN Corporation, Nagano, Japan","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5027868267"],"corresponding_institution_ids":["https://openalex.org/I137975476"],"apc_list":null,"apc_paid":null,"fwci":1.6891,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.85440798,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"3774","last_page":"3779"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11394","display_name":"Dynamics and Control of Mechanical Systems","score":0.9993000030517578,"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/T11394","display_name":"Dynamics and Control of Mechanical Systems","score":0.9993000030517578,"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/T10040","display_name":"Adaptive Control of Nonlinear Systems","score":0.9988999962806702,"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/T11615","display_name":"Control and Dynamics of Mobile Robots","score":0.9980999827384949,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/aerodynamics","display_name":"Aerodynamics","score":0.7343422174453735},{"id":"https://openalex.org/keywords/rotor","display_name":"Rotor (electric)","score":0.7054444551467896},{"id":"https://openalex.org/keywords/helicopter-rotor","display_name":"Helicopter rotor","score":0.6429378986358643},{"id":"https://openalex.org/keywords/torque","display_name":"Torque","score":0.5576279163360596},{"id":"https://openalex.org/keywords/motion","display_name":"Motion (physics)","score":0.4934738874435425},{"id":"https://openalex.org/keywords/rigid-body","display_name":"Rigid body","score":0.4924124479293823},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.4532327651977539},{"id":"https://openalex.org/keywords/dynamics","display_name":"Dynamics (music)","score":0.44710734486579895},{"id":"https://openalex.org/keywords/equations-of-motion","display_name":"Equations of motion","score":0.43633633852005005},{"id":"https://openalex.org/keywords/flapping","display_name":"Flapping","score":0.41906464099884033},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.4055103659629822},{"id":"https://openalex.org/keywords/aerospace-engineering","display_name":"Aerospace engineering","score":0.3641868829727173},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.35141801834106445},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.3075253367424011},{"id":"https://openalex.org/keywords/mechanical-engineering","display_name":"Mechanical engineering","score":0.24679014086723328},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.18403089046478271},{"id":"https://openalex.org/keywords/classical-mechanics","display_name":"Classical mechanics","score":0.15701374411582947},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.07171249389648438}],"concepts":[{"id":"https://openalex.org/C13393347","wikidata":"https://www.wikidata.org/wiki/Q8424","display_name":"Aerodynamics","level":2,"score":0.7343422174453735},{"id":"https://openalex.org/C17281054","wikidata":"https://www.wikidata.org/wiki/Q193466","display_name":"Rotor (electric)","level":2,"score":0.7054444551467896},{"id":"https://openalex.org/C177124886","wikidata":"https://www.wikidata.org/wiki/Q1343028","display_name":"Helicopter rotor","level":3,"score":0.6429378986358643},{"id":"https://openalex.org/C144171764","wikidata":"https://www.wikidata.org/wiki/Q48103","display_name":"Torque","level":2,"score":0.5576279163360596},{"id":"https://openalex.org/C104114177","wikidata":"https://www.wikidata.org/wiki/Q79782","display_name":"Motion (physics)","level":2,"score":0.4934738874435425},{"id":"https://openalex.org/C145980571","wikidata":"https://www.wikidata.org/wiki/Q192788","display_name":"Rigid body","level":2,"score":0.4924124479293823},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.4532327651977539},{"id":"https://openalex.org/C145912823","wikidata":"https://www.wikidata.org/wiki/Q113558","display_name":"Dynamics (music)","level":2,"score":0.44710734486579895},{"id":"https://openalex.org/C14037181","wikidata":"https://www.wikidata.org/wiki/Q215007","display_name":"Equations of motion","level":2,"score":0.43633633852005005},{"id":"https://openalex.org/C2780444116","wikidata":"https://www.wikidata.org/wiki/Q6057443","display_name":"Flapping","level":3,"score":0.41906464099884033},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.4055103659629822},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.3641868829727173},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.35141801834106445},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3075253367424011},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.24679014086723328},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.18403089046478271},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.15701374411582947},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.07171249389648438},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C97257150","wikidata":"https://www.wikidata.org/wiki/Q161358","display_name":"Wing","level":2,"score":0.0},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iros.2012.6386104","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iros.2012.6386104","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE/RSJ International Conference on Intelligent Robots and Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W1528850474","https://openalex.org/W1718267450","https://openalex.org/W2075773492","https://openalex.org/W2078541938","https://openalex.org/W2112510830","https://openalex.org/W2138129897","https://openalex.org/W2148778218","https://openalex.org/W2587234180","https://openalex.org/W2610914687","https://openalex.org/W3132220626","https://openalex.org/W6680958052"],"related_works":["https://openalex.org/W2895621518","https://openalex.org/W2381606235","https://openalex.org/W2607648084","https://openalex.org/W2372539239","https://openalex.org/W2503672173","https://openalex.org/W341837047","https://openalex.org/W2378451074","https://openalex.org/W2384616354","https://openalex.org/W270875872","https://openalex.org/W2025876534"],"abstract_inverted_index":{"In":[0],"this":[1],"study,":[2],"dynamics":[3,39],"of":[4,33,52,67,98],"a":[5,28],"fixed-pitch":[6,99],"co-axial":[7,68,100],"rotor":[8,101],"unmanned":[9,23,102],"helicopter":[10,24,61],"is":[11,17,25,46,85],"modeled,":[12],"and":[13,37,55,75,94],"fundamental":[14],"motion":[15,80,93],"analysis":[16,81],"performed":[18,86],"using":[19,65,82],"derived":[20],"model.":[21],"The":[22],"considered":[26],"as":[27],"rigid":[29,35],"body":[30],"system":[31],"consists":[32],"2":[34],"bodies,":[36],"multi-body":[38],"modeling":[40],"technique":[41],"named":[42],"velocity":[43],"transformation":[44],"method":[45],"used":[47],"for":[48],"deriving":[49],"the":[50,60,79,83,89,92,95],"equation":[51],"motion.":[53],"Force":[54],"torque":[56],"terms":[57],"applied":[58],"to":[59,87],"are":[62],"obtained":[63],"by":[64],"aerodynamics":[66],"rotors":[69],"including":[70],"aerodynamic":[71],"interference":[72],"between":[73,91],"upper":[74],"lower":[76],"rotor.":[77],"Finally,":[78],"model":[84],"establish":[88],"relation":[90],"mechanical":[96],"specification":[97],"helicopter.":[103]},"counts_by_year":[{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}