{"_buckets": {"deposit": "eac4b3a1-354b-4c3b-8a4f-a6cdd0ed48d1"}, "_deposit": {"id": "7359", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "7359"}, "status": "published"}, "_oai": {"id": "oai:nagoya.repo.nii.ac.jp:00007359", "sets": ["322"]}, "author_link": ["20418", "20419", "20420", "20421", "20422", "20423", "20424", "20425"], "item_10_alternative_title_19": {"attribute_name": "その他のタイトル", "attribute_value_mlt": [{"subitem_alternative_title": "Detection of a Rotor Crack Using Nonstationary Response (Change of Maximum Amplitude in Nonstationary Vibration Due to the Direction of Unbalance)", "subitem_alternative_title_language": "en"}]}, "item_10_biblio_info_6": {"attribute_name": "書誌情報", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2006-02", "bibliographicIssueDateType": "Issued"}, "bibliographicIssueNumber": "714", "bibliographicPageEnd": "323", "bibliographicPageStart": "316", "bibliographicVolumeNumber": "72", "bibliographic_titles": [{"bibliographic_title": "日本機械学會論文集 C編", "bibliographic_titleLang": "ja"}]}]}, "item_10_description_4": {"attribute_name": "抄録", "attribute_value_mlt": [{"subitem_description": "In order to detect a transverse crack due to fatigue, most of the researches have so far paid attention to resonances of steady-state oscillations due to a crack and proposed diagnosis systems utilizing those vibration phenomena. However, in a practical view point, these diagnosis systems have the following defects: (1)The probability that a resonance due to a crack occurs in the rated speed range is small. (2)It is very dangerous to observe vibration characteristics in resonance ranges spending long time. In this paper, we propose a new method utilizing the changes of vibration phenomena due to a crack in a nonstationary oscillation during start up of a rotating machinery. The advantage of this method is that we can check the signals denoting the occurrence of a crack in a wide speed range by a single sweep and also can avoid the operation in dangerous resonance ranges. Moreover, the validity of the proposed method is shown through numerical simulations and experiments.", "subitem_description_language": "en", "subitem_description_type": "Abstract"}]}, "item_10_identifier_60": {"attribute_name": "URI", "attribute_value_mlt": [{"subitem_identifier_type": "HDL", "subitem_identifier_uri": "http://hdl.handle.net/2237/9039"}]}, "item_10_publisher_32": {"attribute_name": "出版者", "attribute_value_mlt": [{"subitem_publisher": "日本機械学会", "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://ci.nii.ac.jp/naid/110004659156/", "subitem_relation_type_select": "URI"}}]}, "item_10_rights_12": {"attribute_name": "権利", "attribute_value_mlt": [{"subitem_rights": "日本機械学会", "subitem_rights_language": "ja"}, {"subitem_rights": "本文データは学協会の許諾に基づきCiNiiから複製したものである。", "subitem_rights_language": "ja"}]}, 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"Other"}, {"subitem_subject": "Nonstationary Vibration", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Diagnosis", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Creaked Rotor", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Unbalance", "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": "journal article", "resourceuri": "http://purl.org/coar/resource_type/c_6501"}]}, "item_title": "非定常振動によるロータのクラックの検出 (不つりあいの方向による非定常振動の最大振幅の変化)", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "非定常振動によるロータのクラックの検出 (不つりあいの方向による非定常振動の最大振幅の変化)", "subitem_title_language": "ja"}]}, "item_type_id": "10", "owner": "1", "path": ["322"], "permalink_uri": "http://hdl.handle.net/2237/9039", "pubdate": {"attribute_name": "PubDate", "attribute_value": "2007-11-27"}, "publish_date": "2007-11-27", "publish_status": "0", "recid": "7359", "relation": {}, "relation_version_is_last": true, "title": ["非定常振動によるロータのクラックの検出 (不つりあいの方向による非定常振動の最大振幅の変化)"], "weko_shared_id": -1}