AEエンベロープ波形を用いた超低速転がり軸受診断法

• 迫 孝司

  早稲田大学

• 吉江 修

  早稲田大学

書誌事項

タイトル別名

• Diagnosis of Extremely Low-Speed Rolling-Element Bearing Using AE Envelope Waveform
• AE エンベロープ ハケイ オ モチイタ チョウテイソク コロガリ ジクウケ シンダンホウ

抄録

Most low-speed rotating equipments are large and important. Therefore, a plant will suffer substantial losses if the operation of such equipments stops because of any damage to their rolling-element bearings. This paper discusses a diagnostic method for rolling-element bearings in rotating equipments with extremely low speeds of 100rpm or less and further, it proposes a diagnostic method based on acoustic emission (AE) envelope waveform of 100kHz to 1MHz frequency. Abnormality diagnosis was performed even for a rotation number of 1rpm by improving the signal-to-noise (S/N) ratio by carrying out further amplification after envelope waveform processing and AE waveform amplification. Furthermore, a method for removing electric noises and an abnormality-diagnosis method based on an event-counting method in the case of extremely low-speed rotation are proposed. Further, we are manufacturing a diagnostic instrument based on this diagnostic method, and we are performing abnormality diagnosis and monitoring of on-site conditions.

収録刊行物

• 電気学会論文誌Ｄ（産業応用部門誌）

  電気学会論文誌Ｄ（産業応用部門誌） 132 (4), 501-509, 2012

  一般社団法人 電気学会

キーワード

• 設備診断
• 信号処理
• 低速回転機械
• 転がり軸受
• アコースティック・エミッション
• 機械状態監視

詳細情報

• CRID: 1390282679635334912
• NII論文ID: 10030532586
• NII書誌ID: AN10012320
• DOI: 10.1541/ieejias.132.501
• BIBCODE: 2012IJTIA.132..501S
• ISSN: 13488163
• ISSN: 09136339
• NDL書誌ID: 023656384
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I023656384
• Web Site: https://www.jstage.jst.go.jp/article/ieejias/132/4/132_4_501/_pdf
• 本文言語コード: ja
• データソース種別:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可