SG42836A1 - Method and apparatus for performing a seek operation - Google Patents

Method and apparatus for performing a seek operation

Info

Publication number
SG42836A1
SG42836A1 SG1996000009A SG1996000009A SG42836A1 SG 42836 A1 SG42836 A1 SG 42836A1 SG 1996000009 A SG1996000009 A SG 1996000009A SG 1996000009 A SG1996000009 A SG 1996000009A SG 42836 A1 SG42836 A1 SG 42836A1
Authority
SG
Singapore
Prior art keywords
seek operation
seek
Prior art date
Application number
SG1996000009A
Other languages
English (en)
Inventor
Martin Ren Green
John Jeffrey Stephenson
Michael Charles Stich
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 SG42836A1 publication Critical patent/SG42836A1/en

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/08—Track changing or selecting during transducing operation
    • G11B21/081—Access to indexed tracks or parts of continuous track
    • G11B21/083—Access to indexed tracks or parts of continuous track on discs
SG1996000009A 1990-06-15 1991-06-14 Method and apparatus for performing a seek operation SG42836A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/538,958 US5119250A (en) 1990-06-15 1990-06-15 Method and apparatus for performing a seek

Publications (1)

Publication Number Publication Date
SG42836A1 true SG42836A1 (en) 1997-10-17

Family

ID=24149154

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996000009A SG42836A1 (en) 1990-06-15 1991-06-14 Method and apparatus for performing a seek operation

Country Status (5)

Country Link
US (1) US5119250A (de)
EP (1) EP0461915B1 (de)
JP (2) JP3263954B2 (de)
DE (1) DE69125972T2 (de)
SG (1) SG42836A1 (de)

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US5289097A (en) * 1992-08-18 1994-02-22 International Business Machines Corporation Spindle control method and apparatus for disk drive
KR970005988B1 (ko) * 1992-11-16 1997-04-22 대우전자 주식회사 디스크드라이브의 헤드위치제어시스템
US5396379A (en) * 1992-11-20 1995-03-07 Maxtor Corporation Apparatus and method for reducing effects of slip/stick in a disk drive head assembly
US5465035A (en) * 1993-05-11 1995-11-07 Quantum Corporation Band limited control of a flexible structure using piecewise trigonometric input signals
US5956201A (en) * 1994-01-14 1999-09-21 Seagate Technology, Inc. Disk file head positioning servo system incorporating adaptive saturated seek and head offset compensation
US6115205A (en) * 1994-03-11 2000-09-05 Seagate Technology, Inc. Method for adapting seeks of a disc drive transducer to the maximum actuator current available to accelerate and decelerate the transducer
US5476015A (en) * 1994-05-16 1995-12-19 Maxtor Corporation Non-linearity compensation for hard disk drives
US5559413A (en) * 1994-07-29 1996-09-24 Xilinx, Inc. Screw shaft feed mechanism and positioning control method therefor
US5631527A (en) * 1994-09-06 1997-05-20 Sgs-Thomson Microelectronics, Inc. Voice coil motor feedback control circuit
ES2120242T3 (es) * 1994-11-11 1998-10-16 Siemens Ag Control de velocidad para cualquier rango de guia de velocidad efectiva a traves de una pluralidad de zonas de bloque
US5576909A (en) * 1995-02-16 1996-11-19 Ministor Peripherals International Limited Method for positioning a data transducer head in a rotating disk drive data storage device
US5684653A (en) * 1996-01-16 1997-11-04 Hewlett-Packard Company Method and apparatus for minimizing seek time in a disk drive by increasing power amplifier power based on power amplifier voltage head room
US6125000A (en) * 1996-05-21 2000-09-26 Maxtor Corporation Disk drive seek control system utilizing predicted motion parameter and dynamic trajectory alignment
US5793558A (en) * 1996-06-05 1998-08-11 Western Digital Corporation Method for seek time optimization employing voice-coil motor current saturation level to define an adaptive deceleration profile
US6097564A (en) * 1996-06-05 2000-08-01 Mobile Storage Technology Inc. Method for precise velocity feedback control in an actuator system of a disk drive
US6163430A (en) * 1996-07-18 2000-12-19 Seagate Technology Llc Disc drive positioning system with variable deceleration curve
US5850321A (en) * 1996-09-18 1998-12-15 Maxtor Corporation Self-cleaning proximity recording interface
US5781363A (en) * 1996-10-15 1998-07-14 International Business Machines Corporation Servo-free velocity estimator for coil driven actuator arm in a data storage drive
US5796544A (en) * 1996-11-19 1998-08-18 Maxtor Corporation Disk drive system which uses a common DAC for digital positioning control and analog positioning control
US5898286A (en) * 1997-01-13 1999-04-27 International Business Machines Corporation Digital servo control system for a data recording disk file with improved saturation modelling
DE19703374A1 (de) * 1997-01-30 1998-08-06 Thomson Brandt Gmbh Verfahren und Anordnung zum Steuern radialer Verfahrbewegungen eines Schreib- und/oder Lesekopfes für plattenförmige Aufzeichnungsträger
US6088188A (en) * 1997-02-10 2000-07-11 International Business Machines Corporation System and method for determining when hard disk drive power amplifier is saturated
KR100271617B1 (ko) * 1997-06-03 2000-11-15 윤종용 드롭다운(DropDown)현상을최소화하기위한예비탐색방법
US6204629B1 (en) 1997-11-21 2001-03-20 Texas Instruments Incorporated Method and apparatus for accurately measuring a back-emf voltage on an actuator coil
KR100506262B1 (ko) * 1997-12-29 2005-10-07 삼성전자주식회사 액츄에이터 언래칭 제어방법
US6034496A (en) * 1998-08-13 2000-03-07 Unitrade Corporation Motor speed control using fixed-duration torque bursts
US5982130A (en) * 1998-08-13 1999-11-09 Unitrolde Corporation Calibration technique to remove series resistance errors in the sensed back EMF of a motor
US6342985B1 (en) 1998-09-15 2002-01-29 International Business Machines Corporation Method and apparatus for improving disk drive seek performance
US6369972B1 (en) * 1999-05-14 2002-04-09 Western Digital Technologies, Inc. Temperature monitoring method of a disk drive voice coil motor from a traveled distance
US6791786B2 (en) 2000-05-22 2004-09-14 Seagate Technology Llc Active damping of two-stage actuator system in a disc drive
US6754035B2 (en) * 2000-09-20 2004-06-22 Seagate Technology Llc Method and apparatus for limiting actuator coil temperature
US6795268B1 (en) * 2000-10-31 2004-09-21 Western Digital Technologies, Inc. Disk drive employing seek time vcm ir voltage calibration for velocity control of an actuator arm
US6731450B1 (en) * 2000-11-30 2004-05-04 Western Digital Technologies, Inc. Disk drive control system and method for determining the temperature of an actuator coil
US6751043B2 (en) 2000-12-15 2004-06-15 Texas Instruments Incorporated Digital servo control system for a hard disc drive using a voice coil motor in voltage mode
US6930853B2 (en) * 2001-04-17 2005-08-16 Seagate Technology Llc Adaptive seek control for maximum performance with minimal filter corruption
US6781787B1 (en) 2002-01-31 2004-08-24 Western Digital Technologies, Inc. Adjusting seek current profile on the fly
US7009806B2 (en) * 2003-02-19 2006-03-07 Matsushita Electric Industrial Co., Ltd. Accurate tracking of coil resistance
US7082009B2 (en) 2003-02-19 2006-07-25 Matsushita Electric Industrial Co., Ltd. Accurate tracking of coil resistance based on current, voltage and angular velocity
US7215503B2 (en) * 2003-06-20 2007-05-08 Seagate Technology Llc Time linear arrival for velocity mode seeks
US6903897B1 (en) 2003-06-27 2005-06-07 Western Digital Technologies, Inc. Performance of a rotary actuator in a disk drive
US6917486B2 (en) * 2003-07-18 2005-07-12 Matsushita Electrical Industrial Co., Ltd. Direct detection of coil resistance
US7209321B1 (en) 2003-07-31 2007-04-24 Western Digital Technologies, Inc. Disk drive pulse width modulating a voice coil motor using model reference current feedback
US6987639B1 (en) 2003-09-30 2006-01-17 Western Digital Technologies, Inc. Disk drive modifying a rotational position optimization algorithm based on motor capability of a VCM
US7061714B1 (en) 2003-12-19 2006-06-13 Western Digital Technologies, Inc. Disk drive modifying estimated seek times for a rotational position optimization algorithm based on change in estimated seek time parameter
US7437502B1 (en) 2005-04-20 2008-10-14 Western Digital Technologies, Inc. Disk drive adjusting operating mode based on historical proximity of host commands
US7199966B1 (en) 2005-06-28 2007-04-03 Western Digital Technologies, Inc. Disk drive adjusting seek profile for variable seek times to reduce power dissipation
KR100640648B1 (ko) 2005-07-05 2006-11-01 삼성전자주식회사 하드디스크 드라이브의 트랙 탐색 제어 방법, 이에 적합한기록 매체, 그리고 이에 적합한 하드디스크 드라이브
US7319570B2 (en) 2005-09-19 2008-01-15 Seagate Technology Llc Random vibration and shock compensator using a disturbance observer
JP2007294048A (ja) * 2006-04-26 2007-11-08 Hitachi Global Storage Technologies Netherlands Bv 磁気ディスク装置
US7450334B1 (en) 2007-06-28 2008-11-11 Western Digital Technologies, Inc. Disk drive adjusting predictive caching based on temperature of voice coil motor
US8090902B1 (en) 2009-05-22 2012-01-03 Western Digital Technologies, Inc. Disk drive adjusting command execution in response to control circuitry die temperature
JP5803361B2 (ja) 2011-07-12 2015-11-04 いすゞ自動車株式会社 アクチュエータの制御方法及びアクチュエータの制御装置
JP5834628B2 (ja) * 2011-08-29 2015-12-24 いすゞ自動車株式会社 アクチュエータの制御方法及びアクチュエータの制御装置
JP5838681B2 (ja) * 2011-09-16 2016-01-06 いすゞ自動車株式会社 アクチュエータの制御方法及びアクチュエータの制御装置
JP2018156706A (ja) 2017-03-17 2018-10-04 株式会社東芝 磁気ディスク装置

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Publication number Priority date Publication date Assignee Title
US4030132A (en) * 1975-03-27 1977-06-14 Memorex Corporation Dual mode velocity servo control for a linear actuator motor
JPS58166567A (ja) * 1982-03-26 1983-10-01 Matsushita Electric Ind Co Ltd 情報トラックの検索装置
US4544968A (en) * 1982-05-17 1985-10-01 International Business Machines Corporation Sector servo seek control
JPS6028238A (ja) * 1983-07-27 1985-02-13 Sumitomo Electric Ind Ltd 半導体基板の保持装置
US4697127A (en) * 1986-06-09 1987-09-29 International Business Machines Corporation Adaptive control technique for a dynamic system
JPS63204421A (ja) * 1987-02-20 1988-08-24 Tokico Ltd アクチユエ−タの制御方法
US4899234A (en) * 1988-04-04 1990-02-06 Magnetic Peripherals Inc. Adaptive velocity profile for disk actuator control
US4982298A (en) * 1988-08-01 1991-01-01 Rigidyne Corporation Adaptive velocity profile system for a disk drive head

Also Published As

Publication number Publication date
JP3263954B2 (ja) 2002-03-11
EP0461915A3 (en) 1993-05-05
JP2002197816A (ja) 2002-07-12
JPH0589613A (ja) 1993-04-09
DE69125972T2 (de) 1997-10-23
EP0461915B1 (de) 1997-05-07
US5119250A (en) 1992-06-02
DE69125972D1 (de) 1997-06-12
EP0461915A2 (de) 1991-12-18

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