{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00218997","sets":["1164:1579:10818:10973"]},"path":["10973"],"owner":"44499","recid":"218997","title":["時空間冗長に基づくCOTSベースクラウド型鉄道信号システムの信頼性評価"],"pubdate":{"attribute_name":"公開日","attribute_value":"2022-07-20"},"_buckets":{"deposit":"a65d3f3e-42bc-4fca-9ce4-1264d259e37c"},"_deposit":{"id":"218997","pid":{"type":"depid","value":"218997","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"時空間冗長に基づくCOTSベースクラウド型鉄道信号システムの信頼性評価","author_link":["570650","570646","570647","570644","570648","570653","570649","570645","570651","570652"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"時空間冗長に基づくCOTSベースクラウド型鉄道信号システムの信頼性評価"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"クラウド・分散コンピューティング","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2022-07-20","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"東京都立大学大学院システムデザイン研究科"},{"subitem_text_value":"東京都立大学大学院システムデザイン研究科"},{"subitem_text_value":"東京都立大学大学院システムデザイン研究科"},{"subitem_text_value":"日本大学生産工学部"},{"subitem_text_value":"東京都立大学大学院システムデザイン研究科"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Graduate School of System Design, Tokyo Metropolitan University","subitem_text_language":"en"},{"subitem_text_value":"Graduate School of System Design, Tokyo Metropolitan University","subitem_text_language":"en"},{"subitem_text_value":"Graduate School of System Design, Tokyo Metropolitan University","subitem_text_language":"en"},{"subitem_text_value":"College of Industrial Technology, Nihon University","subitem_text_language":"en"},{"subitem_text_value":"Graduate School of System Design, Tokyo Metropolitan University","subitem_text_language":"en"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_publisher":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"情報処理学会","subitem_publisher_language":"ja"}]},"publish_status":"0","weko_shared_id":-1,"item_file_price":{"attribute_name":"Billing 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喬"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"大原, 衛"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"新井, 雅之"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"福本, 聡"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Junki, Takamatsu","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Takashi, Toyama","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Mamoru, Ohara","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Masayuki, Arai","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Satoshi, Fukumoto","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10096105","subitem_source_identifier_type":"NCID"}]},"item_4_textarea_12":{"attribute_name":"Notice","attribute_value_mlt":[{"subitem_textarea_value":"SIG Technical Reports are nonrefereed and hence may later appear in any journals, conferences, symposia, etc."}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_18gh","resourcetype":"technical report"}]},"item_4_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2188-8574","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"近年，計算資源を集約させた遠隔地の中央装置から，無線ネットワークを介して現場機器を制御する，クラウド型鉄道信号システムが欧州で実用化されつつある．従来の鉄道信号システムは，フェールセーフコンピュータによる定周期処理を基本とした，同期ラウンドモデルで実装することで安全性を確保してきた．しかし，そのようなシステムは性能や伝送品質を保証するために高いコストを要している．そこで，高アベイラビリティ・低コストなクラウド型鉄道信号システムを実現するため，中央装置を  COTS (Commercial-Off-The-Shelf) で多重化させ，さらに，制御処理に時間的冗長性を導入した手法が提案されている．本研究では，この手法における障害発生時の耐性に注目し，シミュレーションによって信頼性を定量的に評価した．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"4","bibliographic_titles":[{"bibliographic_title":"研究報告システム・アーキテクチャ（ARC）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2022-07-20","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"8","bibliographicVolumeNumber":"2022-ARC-249"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":218997,"updated":"2025-01-19T14:57:37.959075+00:00","links":{},"created":"2025-01-19T01:19:20.215599+00:00"}