{"created":"2023-06-19T12:46:35.095784+00:00","id":6598,"links":{},"metadata":{"_buckets":{"deposit":"8e052f2f-4c2c-4fd8-b576-c65ba1126149"},"_deposit":{"created_by":14,"id":"6598","owners":[14],"pid":{"revision_id":0,"type":"depid","value":"6598"},"status":"published"},"_oai":{"id":"oai:tokyo-metro-u.repo.nii.ac.jp:00006598","sets":["1647:634:635"]},"author_link":["854","21640","12366"],"item_6_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2004-11","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicPageEnd":"44","bibliographicPageStart":"33","bibliographicVolumeNumber":"103","bibliographic_titles":[{},{"bibliographic_title":"Acta Astronautica","bibliographic_titleLang":"en"}]}]},"item_6_creator_2":{"attribute_name":"著者(ヨミ)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"コジマ, ヒロヒサ"}],"nameIdentifiers":[{"nameIdentifier":"21640","nameIdentifierScheme":"WEKO"}]}]},"item_6_creator_3":{"attribute_name":"著者別名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"小島, 広久"}],"nameIdentifiers":[{"nameIdentifier":"854","nameIdentifierScheme":"WEKO"}]}]},"item_6_description_4":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"There exists a singularity problem in control moment gyros (CMGs). CMG singularities are classified\ninto two types: hyperbolic and elliptic. Several gimbal steering control methods have been presented to\navoid CMG singularities. Hyperbolic singularities can be avoided by null motion, but elliptic singularities\ncannot. The existing steering control methods are rarely designed by explicitly taking the singularity type\ninto account. In order to effectively avoid elliptic singularities by perturbing gimbal angles, it is desirable\nto calculate and record the boundaries between elliptic and hyperbolic singularities in advance so that\nthe determined boundaries can be utilized for developing model predictive steering control. To this end,\nthe boundaries between elliptic and hyperbolic singularities of CMGs are calculated and represented in\nthe form of fitted curves. Several numerical examples are presented to determine the perturbation gimbal\nangles for avoiding elliptic singularities without using singular value decomposition.","subitem_description_type":"Abstract"}]},"item_6_description_40":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"subitem_description":"Journal Article","subitem_description_type":"Other"}]},"item_6_publisher_33":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"Elsevier"}]},"item_6_relation_12":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type":"isVersionOf","subitem_relation_type_id":{"subitem_relation_type_id_text":"10.1016/j.actaastro.2014.07.013","subitem_relation_type_select":"DOI"}}]},"item_6_rights_13":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":" © 2014, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ "}]},"item_6_source_id_10":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA0050648X","subitem_source_identifier_type":"NCID"}]},"item_6_source_id_8":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"00945765","subitem_source_identifier_type":"ISSN"}]},"item_6_version_type_16":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_ab4af688f83e57aa","subitem_version_type":"AM"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Kojima, Hirohisa"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2018-01-30"}],"displaytype":"detail","filename":"10760-001-1.pdf","filesize":[{"value":"5.1 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"10760-001","url":"https://tokyo-metro-u.repo.nii.ac.jp/record/6598/files/10760-001-1.pdf"},"version_id":"b21c786b-f0cd-4ced-8b33-6c3af3da3630"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"Control moment gyros","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Elliptic and hyperbolic singularities","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Curve fitting","subitem_subject_language":"en","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"Calculation and Fitting of Boundaries between Elliptic and Hyperbolic Singularities of Pyramid-type Control Moment Gyros","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Calculation and Fitting of Boundaries between Elliptic and Hyperbolic Singularities of Pyramid-type Control Moment Gyros"}]},"item_type_id":"6","owner":"14","path":["635"],"pubdate":{"attribute_name":"公開日","attribute_value":"2018-01-30"},"publish_date":"2018-01-30","publish_status":"0","recid":"6598","relation_version_is_last":true,"title":["Calculation and Fitting of Boundaries between Elliptic and Hyperbolic Singularities of Pyramid-type Control Moment Gyros"],"weko_creator_id":"14","weko_shared_id":-1},"updated":"2023-06-19T16:23:53.880802+00:00"}