TWI480866B - 伺服系統及其操作方法 - Google Patents

伺服系統及其操作方法 Download PDF

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Publication number
TWI480866B
TWI480866B TW099137882A TW99137882A TWI480866B TW I480866 B TWI480866 B TW I480866B TW 099137882 A TW099137882 A TW 099137882A TW 99137882 A TW99137882 A TW 99137882A TW I480866 B TWI480866 B TW I480866B
Authority
TW
Taiwan
Prior art keywords
tape
actuator
servo
head
longitudinal
Prior art date
Application number
TW099137882A
Other languages
English (en)
Chinese (zh)
Other versions
TW201140574A (en
Inventor
Armando J Argumedo
Nhan X Bui
Reed A Hancock
Roger J Justo
Angeliki Pantazi
Original Assignee
Ibm
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ibm filed Critical Ibm
Publication of TW201140574A publication Critical patent/TW201140574A/zh
Application granted granted Critical
Publication of TWI480866B publication Critical patent/TWI480866B/zh

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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
    • G11B5/584—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 tapes

Landscapes

  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
TW099137882A 2009-11-04 2010-11-03 伺服系統及其操作方法 TWI480866B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/612,403 US8027121B2 (en) 2009-11-04 2009-11-04 Positioning coarse servo actuator of tape servo system to allow fine servo actuator to follow tape shift excursions

Publications (2)

Publication Number Publication Date
TW201140574A TW201140574A (en) 2011-11-16
TWI480866B true TWI480866B (zh) 2015-04-11

Family

ID=43128259

Family Applications (1)

Application Number Title Priority Date Filing Date
TW099137882A TWI480866B (zh) 2009-11-04 2010-11-03 伺服系統及其操作方法

Country Status (6)

Country Link
US (1) US8027121B2 (https=)
EP (1) EP2433281B1 (https=)
JP (1) JP5431592B2 (https=)
CN (1) CN102598129B (https=)
TW (1) TWI480866B (https=)
WO (1) WO2011054558A1 (https=)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8059362B2 (en) * 2010-03-02 2011-11-15 International Business Machines Corporation Positioning a coarse actuator of compound actuator tape servo system at midpoint of maximum peaks of lateral tape movement
US8611038B2 (en) 2011-06-02 2013-12-17 International Business Machines Corporation System, method, and computer program product for servo compensator switching in high vibration environments
US8526134B2 (en) * 2011-06-02 2013-09-03 International Business Machines Corporation System for fast center calibration of a tape drive for a flangeless tape path
US8760788B2 (en) * 2011-06-02 2014-06-24 International Business Machines Corporation System and computer program product for fast recovery to a write state
US9047897B1 (en) 2014-01-16 2015-06-02 International Business Machines Corporation Lateral tape motion signal conditioning
US9013827B1 (en) 2014-01-16 2015-04-21 International Business Machines Corporation Coarse actuator positioning algorithm
US9355663B1 (en) * 2015-04-08 2016-05-31 International Business Machines Corporation Multiple degree of freedom actuator assemblies having flexure based pivot functionality
US9251821B1 (en) * 2015-04-08 2016-02-02 International Business Machines Corporation Attenuation of a pitch mode for actuator assemblies having multiple degrees of freedom
US10255942B2 (en) * 2016-08-23 2019-04-09 International Business Machines Corporation Tape transport control with feedback of velocity and tension
US10324446B2 (en) * 2017-03-02 2019-06-18 Mitsubishi Electric Research Laboratories, Inc. System and method for controlling redundant actuators with different dynamics
US9953671B1 (en) * 2017-07-31 2018-04-24 Oracle International Corporation Saturation-based verification of magnetic tape storage
JP2020149743A (ja) * 2019-03-13 2020-09-17 株式会社東芝 磁気ディスク装置
US10891979B1 (en) * 2020-04-17 2021-01-12 Western Digital Technologies, Inc. Data storage device calibrating bias for fine actuators

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030016467A1 (en) * 2001-07-17 2003-01-23 International Business Machines Corporation Method and apparatus for compensating for media shift due to tape guide
US6587303B1 (en) * 2000-06-09 2003-07-01 International Business Machines Corporation Servo control of a coarse actuator
CN1447964A (zh) * 2000-08-16 2003-10-08 国际商业机器公司 用于伺服系统的相对于定义的伺服磁道横向定位磁头的方法和位置控制装置
US7110210B2 (en) * 1998-03-24 2006-09-19 Quantum Corporation Multi-channel magnetic tape system having optical tracking servo

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DE69318617T2 (de) 1992-04-13 1999-04-15 Imation Corp., Oakdale, Minn. Vorrichtung zur Kopfpositionierung für Mehrspurbandaufzeichnungsgerät
US5343341A (en) * 1992-10-15 1994-08-30 Tandberg Data A/S Method for seeking the center of a recorded data track
JPH08505488A (ja) * 1993-01-12 1996-06-11 ミネソタ・マイニング・アンド・マニュファクチュアリング・カンパニー データカートリッジのテープ駆動機構におけるトラックのサーボ制御方法
EP0734569A1 (en) 1993-12-15 1996-10-02 Seagate Technology, Inc. Voice coil driven positioner for coarse and fine positioning of magnetic head in multi-track tape drive
US5857303A (en) * 1994-05-13 1999-01-12 Certainteed Corporation Apparatus and method of applying building panels to surfaces
JP3097847B2 (ja) * 1998-06-19 2000-10-10 日本電気株式会社 二段アクチュエータによるヘッド位置決め装置
US6580581B1 (en) 2000-08-16 2003-06-17 International Business Machines Corporation Recovery of lateral position of a servo system with respect to longitudinal servo bands of a magnetic tape
US6801383B2 (en) * 2002-04-04 2004-10-05 Quantum Corporation Method for calibrating a tape media using staggered calibration tracks
US7102845B2 (en) * 2003-10-20 2006-09-05 Quantum Corporation Servo methods and systems using existing data structures and medium edge position
JP2006147022A (ja) * 2004-11-18 2006-06-08 Sony Corp 磁気ヘッド装置
US7265935B2 (en) 2004-12-15 2007-09-04 International Business Machines Corporation Velocity adaptive compensator for a synchronous sampling time-based servo system
US7706101B2 (en) * 2007-12-04 2010-04-27 Sun Microsystems, Inc. Transducer positioning assembly

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7110210B2 (en) * 1998-03-24 2006-09-19 Quantum Corporation Multi-channel magnetic tape system having optical tracking servo
US6587303B1 (en) * 2000-06-09 2003-07-01 International Business Machines Corporation Servo control of a coarse actuator
CN1447964A (zh) * 2000-08-16 2003-10-08 国际商业机器公司 用于伺服系统的相对于定义的伺服磁道横向定位磁头的方法和位置控制装置
US20030016467A1 (en) * 2001-07-17 2003-01-23 International Business Machines Corporation Method and apparatus for compensating for media shift due to tape guide

Also Published As

Publication number Publication date
JP5431592B2 (ja) 2014-03-05
EP2433281A1 (en) 2012-03-28
US8027121B2 (en) 2011-09-27
JP2013510382A (ja) 2013-03-21
US20110102937A1 (en) 2011-05-05
CN102598129B (zh) 2015-02-04
TW201140574A (en) 2011-11-16
CN102598129A (zh) 2012-07-18
WO2011054558A1 (en) 2011-05-12
EP2433281B1 (en) 2012-12-19

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Legal Events

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MM4A Annulment or lapse of patent due to non-payment of fees