磁気ディスク装置におけるモード切り替えの無い長距離シーク制御

• 高倉 晋司

  （株）東芝 研究開発センター

書誌事項

タイトル別名

• Long-Span Seek Control System for Hard Disk Drive without Mode-Switching
• ジキ ディスク ソウチ ニ オケル モード キリカエ ノ ナイ チョウキョリ シーク セイギョ

抄録

In Hard Disk Drive (HDD), there are two control modes. One is a head positioning control mode, the other is a seek control mode. In the head positioning control mode, a feedback controller is optimally designed to suppress a disturbance. In the long span seek mode, a velocity feedback control system is applied in order to move a head fast. Thus, a HDD has plural control systems, and the head is moved to the target position while changing from one control system to the other. However, the changing of the control system causes a discontinuous control signal, which activates the resonance mode of an actuator. The past methods only can decrease the discontinuous control. Therefore, a single control system that can be used for both a seek control mode and a head positioning control mode is necessary for narrow track pitch. In the proposed method, the feedback controller is decomposed to an integrator and a phase compensator. The VCM model is updated by the output of the phase compensator, and the integrator and the output of the velocity feedback controller control the VCM. The validity of the proposed method was confirmed by numerical and experimental results using a miniature 2.5-inch Hard Disk Drive.

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） 128 (6), 857-864, 2008

  一般社団法人 電気学会

キーワード

• 磁気ディスク装置
• ロングスパンシーク
• 観測器
• マルチレート制御

詳細情報

• CRID: 1390001204659067392
• NII論文ID: 10021134720
• NII書誌ID: AN10012320
• DOI: 10.1541/ieejias.128.857
• ISSN: 13488163
• ISSN: 09136339
• NDL書誌ID: 9532666
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I9532666
• Web Site: http://www.jstage.jst.go.jp/article/ieejias/128/6/128_6_857/_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