{"created":"2023-07-25T09:05:57.446175+00:00","id":4106,"links":{},"metadata":{"_buckets":{"deposit":"a41a5c10-ce5e-46a8-8da3-42976d7882dc"},"_deposit":{"created_by":3,"id":"4106","owners":[3],"pid":{"revision_id":0,"type":"depid","value":"4106"},"status":"published"},"_oai":{"id":"oai:toyama.repo.nii.ac.jp:00004106","sets":["496:556:559:560:583"]},"author_link":["56152","56151","56154","56153"],"item_3_alternative_title_19":{"attribute_name":"その他（別言語等）のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"On the Differentiator for Measurement of Slow Velocity"}]},"item_3_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1972-03","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1/2","bibliographicPageEnd":"77","bibliographicPageStart":"73","bibliographicVolumeNumber":"23","bibliographic_titles":[{"bibliographic_title":"富山大学工学部紀要"}]}]},"item_3_description_4":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"We have designed the differentiator for measurements of slow velocity and experimentaly, made certain of that the device operated as designed. According to the analytical studies as to its characteristics, we have found the utility value of it for the purpose of our experiments.","subitem_description_type":"Abstract"},{"subitem_description":"油圧によって駆動されるシリンダーには，ごく低速時にスティックスリップと呼ばれる一種の白励振動が生ずる。これは微妙な動作を要求されるサーボ系等においては極めて有害なものである。\n筆者等は油圧サーボ機構におこるこの現象を位相平面上において解析するようなときに不規則に時々刻々に変化するこの油圧ピストンの速度を測定し，この速度を電気信号に変換する必要が生じた。\nすでに速度検出器として制御系統に使用されている速度発電機や，その他磁気的なものがいくつか考えられているが，今の場合のように「非常に低速度でかなりストロークが長い」ときには，これらの方法は，いろいろの点で適していないように思われる。\nそこでポテンショメータと微分演算器による方法を用いることにした。これはポテンショメータによって時間関数として検出した変位電圧を，帰還型微分演算器を用いて微分することを原理としている。しかし微分器を使用すると良く知られているように，その性質上，パルス性の熱雑音や，じよう乱を拡大し叉，帰還増幅器として，不安定になり易く，同じ演算器でも積分器とは対照的に欠点が多く，微分器の使用はなるべく避けるのが常とされてきた。\nしかしながら我々がこれを使おうとするのは，近年IC化された高性能な演算増幅器が容易に手に入り，その特性は後程詳しく述べるが演算用として調整されているので使用法はきわめて簡単である。また取扱うべき信号周波数が雑音のそれに比べ十分低いので，簡単なフィルターで両者を分離することは容易であろうと考えたからである。\nこのような方法は微分器をはじめ，各部品の，それぞれの特徴を考慮すれば実用上十分な速度検出器が得られることがわかったので，これに関して本稿で順を追って報告する。","subitem_description_type":"Abstract"}]},"item_3_description_40":{"attribute_name":"資源タイプ(DSpace)","attribute_value_mlt":[{"subitem_description":"Article","subitem_description_type":"Other"}]},"item_3_description_6":{"attribute_name":"引用","attribute_value_mlt":[{"subitem_description":"富山大学工学部紀要，23(1/2)","subitem_description_type":"Other"}]},"item_3_full_name_3":{"attribute_name":"著者別名","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"56153","nameIdentifierScheme":"WEKO"}],"names":[{"name":"TAKASE, Hirofumi"}]},{"nameIdentifiers":[{"nameIdentifier":"56154","nameIdentifierScheme":"WEKO"}],"names":[{"name":"NAKAGAWA, Takayuki"}]}]},"item_3_identifier_registration":{"attribute_name":"ID登録","attribute_value_mlt":[{"subitem_identifier_reg_text":"10.15099/00004100","subitem_identifier_reg_type":"JaLC"}]},"item_3_publisher_33":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"富山大学工学部"}]},"item_3_source_id_10":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00175872","subitem_source_identifier_type":"NCID"}]},"item_3_source_id_8":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"03871339","subitem_source_identifier_type":"ISSN"}]},"item_3_subject_22":{"attribute_name":"国立国会図書館分類","attribute_value_mlt":[{"subitem_subject":"ZM2","subitem_subject_scheme":"NDLC"}]},"item_3_version_type_16":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"高瀬, 博文"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"中川, 孝之"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2016-02-16"}],"displaytype":"detail","filename":"Kokiyo_23_01_Page073to077.pdf","filesize":[{"value":"5.8 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"Kokiyo_23_01_Page073to077.pdf","url":"https://toyama.repo.nii.ac.jp/record/4106/files/Kokiyo_23_01_Page073to077.pdf"},"version_id":"1a29f819-741f-4067-bb3a-b4f7b3a8e7f0"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"低速度測定","subitem_subject_scheme":"Other"},{"subitem_subject":"微分演算器","subitem_subject_scheme":"Other"},{"subitem_subject":"演算増幅器","subitem_subject_scheme":"Other"},{"subitem_subject":"ポテンショメータ","subitem_subject_scheme":"Other"},{"subitem_subject":"油圧サーボ機構","subitem_subject_scheme":"Other"},{"subitem_subject":"油圧ピストンの速度","subitem_subject_scheme":"Other"},{"subitem_subject":"電気信号に変換","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"低速度測定のための微分演算器について","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"低速度測定のための微分演算器について"}]},"item_type_id":"3","owner":"3","path":["583"],"pubdate":{"attribute_name":"公開日","attribute_value":"2012-09-26"},"publish_date":"2012-09-26","publish_status":"0","recid":"4106","relation_version_is_last":true,"title":["低速度測定のための微分演算器について"],"weko_creator_id":"3","weko_shared_id":-1},"updated":"2023-07-25T15:12:15.442932+00:00"}