WO2008142726A1 - 位置制御装置及びこれを用いたデイスク装置 - Google Patents
位置制御装置及びこれを用いたデイスク装置 Download PDFInfo
- Publication number
- WO2008142726A1 WO2008142726A1 PCT/JP2007/000468 JP2007000468W WO2008142726A1 WO 2008142726 A1 WO2008142726 A1 WO 2008142726A1 JP 2007000468 W JP2007000468 W JP 2007000468W WO 2008142726 A1 WO2008142726 A1 WO 2008142726A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- disturbance
- control
- frequency
- adaptation
- position controller
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/596—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
- G11B5/59627—Aligning for runout, eccentricity or offset compensation
Landscapes
- Moving Of The Head To Find And Align With The Track (AREA)
- Feedback Control In General (AREA)
Abstract
対象物を位置誤差に従い、目標位置に位置制御するとともに、外乱に応じた外乱適応制御を行う位置制御装置において、外乱の角周波数ωとし、サンプル周期をTとした場合に、位置誤差に基づき、適応則に従い、sinωT又はcosωTを計算し、外乱周波数を推定し、外乱適応制御器の制御変数を変更して、デジタルの外乱適応制御するので、デジタル制御において、外乱の周波数の推定精度を向上でき、外乱適応制御を精度よく実現できる。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2007/000468 WO2008142726A1 (ja) | 2007-04-27 | 2007-04-27 | 位置制御装置及びこれを用いたデイスク装置 |
JP2009514998A JPWO2008142726A1 (ja) | 2007-04-27 | 2007-04-27 | 位置制御装置及びこれを用いたデイスク装置 |
US12/566,138 US8049987B2 (en) | 2007-04-27 | 2009-09-24 | Position control apparatus and disk apparatus using the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2007/000468 WO2008142726A1 (ja) | 2007-04-27 | 2007-04-27 | 位置制御装置及びこれを用いたデイスク装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/566,138 Continuation US8049987B2 (en) | 2007-04-27 | 2009-09-24 | Position control apparatus and disk apparatus using the same |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008142726A1 true WO2008142726A1 (ja) | 2008-11-27 |
Family
ID=40031453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/000468 WO2008142726A1 (ja) | 2007-04-27 | 2007-04-27 | 位置制御装置及びこれを用いたデイスク装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8049987B2 (ja) |
JP (1) | JPWO2008142726A1 (ja) |
WO (1) | WO2008142726A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4908586B2 (ja) * | 2007-04-27 | 2012-04-04 | 東芝ストレージデバイス株式会社 | 位置制御装置及びこれを用いたディスク装置 |
JPWO2008142726A1 (ja) | 2007-04-27 | 2010-08-05 | 東芝ストレージデバイス株式会社 | 位置制御装置及びこれを用いたデイスク装置 |
WO2008139505A1 (ja) * | 2007-04-27 | 2008-11-20 | Fujitsu Limited | 位置制御装置及びこれを用いたディスク装置 |
KR102395701B1 (ko) * | 2015-11-11 | 2022-05-10 | 삼성전자주식회사 | 전자 장치 및 전자 장치의 제어방법 |
US10445860B2 (en) * | 2015-12-08 | 2019-10-15 | Facebook Technologies, Llc | Autofocus virtual reality headset |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006155875A (ja) * | 2004-12-01 | 2006-06-15 | Samsung Electronics Co Ltd | 非周期的な外乱補償制御装置、その方法及びそれを利用したディスクドライブ |
JP2007004946A (ja) * | 2005-06-27 | 2007-01-11 | Fujitsu Ltd | ヘッド位置制御方法、ヘッド位置制御装置およびディスク装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2526305B2 (ja) | 1990-06-04 | 1996-08-21 | 松下電器産業株式会社 | トラック追従制御装置 |
US5404253A (en) | 1993-06-24 | 1995-04-04 | Fujitsu Limited | Estimator-based runout compensation in a disk drive |
US5708581A (en) | 1996-07-12 | 1998-01-13 | Hewlett-Packard Company | Method for maximizing feedforward orthogonality for minimizing servo system nuller instability |
US6421200B2 (en) | 1998-06-30 | 2002-07-16 | Fujitsu Limited | Control method and control device for a disk storage device |
JP3460795B2 (ja) | 1998-06-30 | 2003-10-27 | 富士通株式会社 | ディスク記憶装置の制御方法及び制御装置 |
US6487035B1 (en) * | 1999-01-15 | 2002-11-26 | Seagate Technology Llc | Method and apparatus for adaptive feedforward cancellation |
US6636376B1 (en) | 1999-10-12 | 2003-10-21 | Seagate Technology Llc | Disc drive resonance disturbance cancellation filter |
JP3581316B2 (ja) * | 2001-01-31 | 2004-10-27 | 株式会社東芝 | ヘッド位置決め制御システム及び方法 |
JP2005025880A (ja) | 2003-07-03 | 2005-01-27 | Toshiba Corp | ヘッド位置決め制御装置及びその方法、並びにディスク記憶装置 |
KR100712514B1 (ko) * | 2005-06-29 | 2007-05-02 | 삼성전자주식회사 | 하드디스크 드라이브의 rro 산출 방법, 이를 이용한rro 보상값 산출 방법, 그리고 이에 적합한 기록매체들 |
US7433148B2 (en) * | 2006-03-31 | 2008-10-07 | Broadcom Corporation | Hard disk drive repeatable runout feed forward cancellation with high speed and low power phase rotator |
JP4802060B2 (ja) | 2006-07-28 | 2011-10-26 | 東芝ストレージデバイス株式会社 | ヘッド位置決め制御方法、ヘッド位置決め制御装置およびディスク装置 |
JP4783248B2 (ja) | 2006-09-12 | 2011-09-28 | 東芝ストレージデバイス株式会社 | 外乱抑圧機能を持つ位置制御方法、位置制御装置および媒体記憶装置 |
JP4908586B2 (ja) | 2007-04-27 | 2012-04-04 | 東芝ストレージデバイス株式会社 | 位置制御装置及びこれを用いたディスク装置 |
WO2008139505A1 (ja) * | 2007-04-27 | 2008-11-20 | Fujitsu Limited | 位置制御装置及びこれを用いたディスク装置 |
JPWO2008142726A1 (ja) | 2007-04-27 | 2010-08-05 | 東芝ストレージデバイス株式会社 | 位置制御装置及びこれを用いたデイスク装置 |
-
2007
- 2007-04-27 JP JP2009514998A patent/JPWO2008142726A1/ja active Pending
- 2007-04-27 WO PCT/JP2007/000468 patent/WO2008142726A1/ja active Application Filing
-
2009
- 2009-09-24 US US12/566,138 patent/US8049987B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006155875A (ja) * | 2004-12-01 | 2006-06-15 | Samsung Electronics Co Ltd | 非周期的な外乱補償制御装置、その方法及びそれを利用したディスクドライブ |
JP2007004946A (ja) * | 2005-06-27 | 2007-01-11 | Fujitsu Ltd | ヘッド位置制御方法、ヘッド位置制御装置およびディスク装置 |
Also Published As
Publication number | Publication date |
---|---|
US8049987B2 (en) | 2011-11-01 |
US20100014185A1 (en) | 2010-01-21 |
JPWO2008142726A1 (ja) | 2010-08-05 |
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