{"created":"2021-03-01T06:20:09.081494+00:00","id":13145,"links":{},"metadata":{"_buckets":{"deposit":"a765b06e-d155-4626-9c92-64f86e19b1b2"},"_deposit":{"id":"13145","owners":[],"pid":{"revision_id":0,"type":"depid","value":"13145"},"status":"published"},"_oai":{"id":"oai:nagoya.repo.nii.ac.jp:00013145","sets":["312:313:314"]},"author_link":["41415","41416","41417","41418","41419","41420","41421","41422"],"item_10_alternative_title_19":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"Enhanceing Reliability in Hybrid OS System with Security Hardware","subitem_alternative_title_language":"en"}]},"item_10_biblio_info_6":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2010-02-01","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"2","bibliographicPageEnd":"85","bibliographicPageStart":"75","bibliographicVolumeNumber":"J93-D","bibliographic_titles":[{"bibliographic_title":"電子情報通信学会論文誌. D, 情報・システム","bibliographic_titleLang":"ja"}]}]},"item_10_description_4":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"近年,カーナビゲーションシステムの高機能化は著しく,一台のコンピュータ上で,ナビゲーション等の情報系の機能に加えて,ブレーキやエンジン等と連携する制御系の機能も実行する必要がある.制御系の機能は情報系の機能と比較して,高い信頼性やリアルタイム性が要求される.そのため,汎用OSとRTOSをハイブリッドOS方式やVMM方式を用いて,並列に実行し,それぞれのOSで情報系の機能と制御系の機能を実行する方法が考えられる.しかしながら,ハイブリッドOS方式を用いてOSを並列に実行した場合,制御系を情報系から保護できず,システム全体としての信頼性やリアルタイム性が確保できない.また,VMM方式では実行オーバヘッドやリアルタイム性が問題となる.本論文では,組込み向けプロセッサがもつセキュリティ支援ハードウェア(TrustZone)を利用して,ハイブリッドOS方式を高信頼化する方法を提案し,実機による評価を行った.本提案方式を用いることで,制御系を情報系から保護でき,システム全体としての信頼性やリアルタイム性が確保できる.評価の結果,実行オーバヘッドは十分小さく,また,情報系の実行状態にかかわらず,制御系のリアルタイム性が確保できることが分かった.本提案方式は,実行するOSに対する制約が緩やかであるため,携帯電話,NC工作機械などの,制御系と情報系から構成される組込みシステムに適用可能である.","subitem_description_language":"ja","subitem_description_type":"Abstract"}]},"item_10_identifier_60":{"attribute_name":"URI","attribute_value_mlt":[{"subitem_identifier_type":"URI","subitem_identifier_uri":"http://www.ieice.org/jpn/trans_online/index.html"},{"subitem_identifier_type":"HDL","subitem_identifier_uri":"http://hdl.handle.net/2237/15040"}]},"item_10_publisher_32":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"社団法人電子情報通信学会","subitem_publisher_language":"ja"}]},"item_10_relation_43":{"attribute_name":"関連情報","attribute_value_mlt":[{"subitem_relation_type":"isVersionOf","subitem_relation_type_id":{"subitem_relation_type_id_text":"http://www.ieice.org/jpn/trans_online/index.html","subitem_relation_type_select":"URI"}}]},"item_10_rights_12":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"Copyright (C) 2010 IEICE","subitem_rights_language":"en"}]},"item_10_select_15":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_select_item":"publisher"}]},"item_10_source_id_7":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"1880-4535","subitem_source_identifier_type":"PISSN"}]},"item_1615787544753":{"attribute_name":"出版タイプ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"open access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_abf2"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"中嶋, 健一郎","creatorNameLang":"ja"}],"nameIdentifiers":[{"nameIdentifier":"41415","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"本田, 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