JP2002516423A - ダイナミックシステム制御方法 - Google Patents
ダイナミックシステム制御方法Info
- Publication number
- JP2002516423A JP2002516423A JP2000535002A JP2000535002A JP2002516423A JP 2002516423 A JP2002516423 A JP 2002516423A JP 2000535002 A JP2000535002 A JP 2000535002A JP 2000535002 A JP2000535002 A JP 2000535002A JP 2002516423 A JP2002516423 A JP 2002516423A
- Authority
- JP
- Japan
- Prior art keywords
- input
- data storage
- trajectory
- storage device
- dynamic system
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 367
- 238000007493 shaping process Methods 0.000 claims abstract description 120
- 230000007704 transition Effects 0.000 claims abstract description 36
- 230000010355 oscillation Effects 0.000 claims abstract description 24
- 230000035945 sensitivity Effects 0.000 claims abstract description 13
- 230000033001 locomotion Effects 0.000 claims description 98
- 238000013500 data storage Methods 0.000 claims description 86
- 230000006870 function Effects 0.000 claims description 75
- 230000004044 response Effects 0.000 claims description 61
- 230000008859 change Effects 0.000 claims description 31
- 230000008569 process Effects 0.000 claims description 26
- 238000004364 calculation method Methods 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 13
- 238000005070 sampling Methods 0.000 claims description 12
- 229920006395 saturated elastomer Polymers 0.000 claims description 12
- 230000006399 behavior Effects 0.000 claims description 11
- 238000004458 analytical method Methods 0.000 claims description 10
- 230000007423 decrease Effects 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 10
- 230000001052 transient effect Effects 0.000 claims description 10
- 238000012937 correction Methods 0.000 claims description 8
- 238000009738 saturating Methods 0.000 claims description 6
- 230000014509 gene expression Effects 0.000 claims description 5
- 230000005284 excitation Effects 0.000 claims description 2
- 238000013459 approach Methods 0.000 description 46
- 238000010586 diagram Methods 0.000 description 24
- 230000009467 reduction Effects 0.000 description 23
- 230000000694 effects Effects 0.000 description 16
- 238000012546 transfer Methods 0.000 description 16
- 230000001133 acceleration Effects 0.000 description 14
- 230000004048 modification Effects 0.000 description 11
- 238000012986 modification Methods 0.000 description 11
- 238000005457 optimization Methods 0.000 description 10
- 230000008901 benefit Effects 0.000 description 9
- 230000001419 dependent effect Effects 0.000 description 5
- 238000009472 formulation Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 230000001629 suppression Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000010354 integration Effects 0.000 description 4
- 230000005534 acoustic noise Effects 0.000 description 3
- 238000013528 artificial neural network Methods 0.000 description 3
- 238000005094 computer simulation Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001627 detrimental effect Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000079 presaturation Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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
- G11B5/54—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 into or out of its operative position or across tracks
- G11B5/55—Track change, selection or acquisition by displacement of the head
- G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
- G11B5/5552—Track change, selection or acquisition by displacement of the head across disk tracks using fine positioning means for track acquisition separate from the coarse (e.g. track changing) positioning means
- G11B5/5556—Track change, selection or acquisition by displacement of the head across disk tracks using fine positioning means for track acquisition separate from the coarse (e.g. track changing) positioning means with track following after a "seek"
Landscapes
- Feedback Control In General (AREA)
- Moving Of Head For Track Selection And Changing (AREA)
- Control Of Position Or Direction (AREA)
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US7729298P | 1998-03-05 | 1998-03-05 | |
| US10914598P | 1998-11-20 | 1998-11-20 | |
| US60/109,145 | 1999-03-04 | ||
| US09/262,781 US6314473B1 (en) | 1998-03-05 | 1999-03-04 | System for removing selected unwanted frequenices in accordance with altered settings in a user interface of a data storage device |
| US60/077,292 | 1999-03-04 | ||
| US09/262,781 | 1999-03-04 | ||
| PCT/US1999/004910 WO1999045535A1 (en) | 1998-03-05 | 1999-03-05 | Dynamic system control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002516423A true JP2002516423A (ja) | 2002-06-04 |
| JP2002516423A5 JP2002516423A5 (enExample) | 2006-04-20 |
Family
ID=27373067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000535002A Pending JP2002516423A (ja) | 1998-03-05 | 1999-03-05 | ダイナミックシステム制御方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6314473B1 (enExample) |
| EP (1) | EP1058928A1 (enExample) |
| JP (1) | JP2002516423A (enExample) |
| CN (1) | CN1299506A (enExample) |
| AU (1) | AU2897599A (enExample) |
| CA (1) | CA2322630A1 (enExample) |
| WO (1) | WO1999045535A1 (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005235386A (ja) * | 2004-02-21 | 2005-09-02 | Samsung Electronics Co Ltd | 記録順序再配列方法，ハードディスク装置，及びディスク記録方法 |
| KR101851816B1 (ko) * | 2010-08-11 | 2018-04-24 | 댄포스 파워 솔루션스 게엠베하 운트 코. 오하게 | 전기적으로 제어된 밸브의 상태를 검출하기 위한 방법 및 장치 |
Families Citing this family (49)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7433144B2 (en) * | 1999-03-04 | 2008-10-07 | Convolve, Inc. | Dynamic system control method |
| US6757481B1 (en) * | 1999-09-22 | 2004-06-29 | Western Digital Technologies, Inc. | Disk drives and disk drive-containing devices having selectively controllable and/or adaptive quiet and high performance modes of operation |
| US7791758B2 (en) * | 2000-05-02 | 2010-09-07 | Convolve, Inc. | Vibration control technology and interface for computer printers and scanners |
| US6704159B2 (en) | 2000-06-20 | 2004-03-09 | Seagate Technology Llc | Automatic acoustic management system for a disc drive |
| US6629089B1 (en) * | 2000-09-29 | 2003-09-30 | Cirrus Logic, Inc. | Artificial neural network voice coil motor controller |
| US6578106B1 (en) | 2000-10-31 | 2003-06-10 | Keen Personal Media, Inc. | Data storage system adapted to select an operational state with corresponding performance levels and acoustic noise levels based on a system profile |
| US20020067368A1 (en) * | 2000-12-01 | 2002-06-06 | Colligan Thomas R. | System and method for providing acoustic management in a computer |
| US6895500B1 (en) | 2001-10-31 | 2005-05-17 | Western Digital Technologies, Inc. | Disk drive for receiving setup data in a self monitoring analysis and reporting technology (SMART) command |
| US6920378B2 (en) * | 2002-03-13 | 2005-07-19 | Georgia Tech Research Corporation | Command generation combining input shaping and smooth baseline functions |
| US6892249B1 (en) | 2002-05-02 | 2005-05-10 | Western Digital Technologies, Inc. | Dependently adjusting at least three operating levels of a disk drive by dependently adjusting a plurality of disk drive parameters |
| US6895455B1 (en) | 2002-06-26 | 2005-05-17 | Western Digital Technologies, Inc. | Disk drive and method for implementing nonstandard disk-drive commands on a serial ATA interface that only supports standard ATA disk-drive commands |
| US6950264B2 (en) * | 2002-07-26 | 2005-09-27 | Hitachi Global Storage Technologies Japan, Ltd. | Disk drive system for controlling seek operations |
| US6909576B2 (en) * | 2002-08-22 | 2005-06-21 | Hitachi Global Storage Technologies Netherlands B.V. | Method, system, and program for generating control signals to perform a seek operation |
| US20040093191A1 (en) * | 2002-11-12 | 2004-05-13 | The Boeing Company | System and method for performing modal analysis of at least one remote structure |
| BR0317314A (pt) * | 2002-12-16 | 2005-11-08 | Koninkl Philips Electronics Nv | Método para operar um dispositivo de armazenamento sensível a vibrações em um ambiente com uma fonte de vibrações, circuito para operar um dispositivo de armazenamento em um ambiente com uma fonte de vibrações, e, aparelho eletrônico de consumo |
| US7046478B2 (en) * | 2003-04-11 | 2006-05-16 | Seagate Technology Llc | Method and apparatus for reducing vibration in a dynamic system |
| US7248041B2 (en) * | 2003-07-28 | 2007-07-24 | Cummins, Inc. | Device and method for measuring transient magnetic performance |
| US20050034539A1 (en) * | 2003-08-14 | 2005-02-17 | Tan Leeling | Motor torque variation compensation |
| US20050060659A1 (en) * | 2003-09-11 | 2005-03-17 | Dell Products L.P. | System, method and software for communicating the effects of user preference settings in an information handling system |
| US20050079508A1 (en) * | 2003-10-10 | 2005-04-14 | Judy Dering | Constraints-based analysis of gene expression data |
| JP2005267762A (ja) * | 2004-03-19 | 2005-09-29 | Hitachi Global Storage Technologies Netherlands Bv | 磁気ディスク装置 |
| EP1605643B1 (en) * | 2004-06-07 | 2020-01-15 | STMicroelectronics International N.V. | Packet priority setting method and apparatuses for a wireless terminal |
| US7133244B1 (en) | 2005-08-12 | 2006-11-07 | Hitachi Global Storage Technologies Netherlands B.V. | Method and system for optimizing servo track writing motor current profile to reduce written-in high-frequency repeatable runout track mis-registration |
| US7345842B2 (en) * | 2005-08-12 | 2008-03-18 | Hitachi Global Storage Technologies Netherlands B.V. | Method and system for optimized servo track writing motor current profile to reduce written-in high-frequency repeatable runout track mis-registration |
| US7461038B2 (en) * | 2005-12-21 | 2008-12-02 | General Electric Company | Method and apparatus for evaluating robustness of proposed solution to constraint problem and considering robustness in developing a constraint problem solution |
| JP4594898B2 (ja) * | 2006-04-28 | 2010-12-08 | 東芝ストレージデバイス株式会社 | ヘッド位置制御装置およびディスク装置 |
| US8295983B2 (en) * | 2008-11-10 | 2012-10-23 | Silent Printer Holdings, Llc | Apparatus and method for characterization and control of usage disturbances in a usage environment of printers and other dynamic systems |
| US8766565B2 (en) * | 2009-02-09 | 2014-07-01 | Analog Devices, Inc. | Control techniques for motor driven systems |
| US20100201302A1 (en) * | 2009-02-09 | 2010-08-12 | Analog Devices, Inc. | Control techniques for motor driven systems |
| US8228017B2 (en) | 2009-02-09 | 2012-07-24 | Analog Devices, Inc. | Control techniques for motor driven systems |
| US8299744B2 (en) | 2009-02-09 | 2012-10-30 | Analog Devices, Inc. | Control techniques for motor driven systems |
| US8913335B2 (en) | 2011-05-23 | 2014-12-16 | HGST Netherlands B.V. | Storage device with shingled data and unshingled cache regions |
| US9110642B2 (en) * | 2011-10-17 | 2015-08-18 | Lenovo Enterprise Solutions (Singapore) Pte. Ltd. | Optimization of system acoustic signature and cooling capacity with intelligent user controls |
| CN102636993A (zh) * | 2012-04-19 | 2012-08-15 | 徐州工程学院 | 抑制机器人柔性臂末端颤动的方法 |
| WO2017044646A1 (en) | 2015-09-09 | 2017-03-16 | Electro Scientific Industries, Inc. | Laser processing apparatus, methods of laser-processing workpieces and related arrangements |
| CN106484984B (zh) * | 2016-09-29 | 2019-11-12 | 北京大学 | 星载柔性附件热致微振动响应仿真分析平台 |
| US10557641B2 (en) * | 2016-10-07 | 2020-02-11 | Vertiv Corporation | Adaptive PID control for chilled water CRAC units |
| CN114654082A (zh) | 2016-12-30 | 2022-06-24 | 伊雷克托科学工业股份有限公司 | 用于延长镭射处理设备中的光学器件生命期的方法和系统 |
| ES2955059T3 (es) | 2017-07-13 | 2023-11-28 | Universal Robots As | Control de vibración de sistemas con dinámica dependiente de la configuración |
| CN108267959B (zh) * | 2018-01-31 | 2021-06-08 | 珞石（北京）科技有限公司 | 基于迭代学习控制和输入整形技术的联合抑制振动的方法 |
| CN110906932B (zh) * | 2018-09-18 | 2023-05-12 | 上海沃迪智能装备股份有限公司 | 一种动态物料追随拾捡轨迹的生成方法 |
| WO2020258089A1 (zh) * | 2019-06-26 | 2020-12-30 | 瑞声声学科技(深圳)有限公司 | 一种控制信号的生成方法、电子设备及存储介质 |
| US12350838B2 (en) | 2020-05-14 | 2025-07-08 | Universal Robots A/S | Input shaping control of a robot arm in different reference spaces |
| US11176062B1 (en) * | 2020-05-29 | 2021-11-16 | Logitech Europe S.A. | Power efficiency based on a dynamic report rate |
| CN114696571B (zh) * | 2020-12-31 | 2025-08-26 | 致茂电子(苏州)有限公司 | 电压控制方法 |
| TWI783340B (zh) * | 2020-12-31 | 2022-11-11 | 致茂電子股份有限公司 | 電壓控制方法 |
| US11646060B1 (en) * | 2022-01-14 | 2023-05-09 | Western Digital Technologies, Inc. | Polydyne acceleration trajectory control |
| CN115076019B (zh) * | 2022-06-24 | 2023-05-16 | 清华大学 | 一种用于波浪发电装置的控制方法、装置和电子设备 |
| CN116107263B (zh) * | 2023-04-13 | 2023-07-21 | 苏州艾科瑞思智能装备股份有限公司 | 一种消除末端器件残余振动的方法、装置、工控机及介质 |
Family Cites Families (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4675761A (en) | 1986-03-03 | 1987-06-23 | International Business Machines Corporation | Magnetic head positioning apparatus and method |
| US4914568A (en) * | 1986-10-24 | 1990-04-03 | National Instruments, Inc. | Graphical system for modelling a process and associated method |
| US4937689A (en) | 1986-10-14 | 1990-06-26 | Maxtor Corporation | Apparatus for controlling seek strategy of read/write head in a disk drive |
| KR910010185B1 (ko) | 1987-08-11 | 1991-12-20 | 후지쓰 가부시끼가이샤 | 멀티-포지셔너 자기 디스크 저장 장치에 있는 자기 헤드 포지셔너들의 제어 시스템 |
| US4816941A (en) | 1987-09-16 | 1989-03-28 | International Business Machines Corporation | Disk file digital servo control system with optimized sampling rate |
| US4956831A (en) | 1988-09-14 | 1990-09-11 | Miniscribe Corporation | Low acoustic noise head actuator |
| JP2657561B2 (ja) | 1990-02-09 | 1997-09-24 | 富士通株式会社 | 位置決め制御方式 |
| US5657179A (en) | 1991-03-28 | 1997-08-12 | Seagate Technology, Inc. | Method for reducing noise during track seeking in a disc drive |
| US5475545A (en) | 1991-03-28 | 1995-12-12 | Seagate Technology, Inc. | Method for reducing noise during seeks in a hard disk drive |
| JP2978594B2 (ja) | 1991-05-20 | 1999-11-15 | アルプス電気株式会社 | ステッピングモータの制御方式 |
| US5291110A (en) | 1991-10-31 | 1994-03-01 | Integral Peripherals, Inc. | Low acoustic noise seeking method and apparatus |
| EP0543654B1 (en) | 1991-11-22 | 1998-10-28 | Fujitsu Limited | Positioning control system |
| US5282100A (en) * | 1992-01-22 | 1994-01-25 | Quantum Corporation | Disk drive with reduced acoustic noise |
| JP3167483B2 (ja) | 1993-02-19 | 2001-05-21 | 株式会社東芝 | 磁気ディスク装置 |
| US5973871A (en) * | 1993-06-21 | 1999-10-26 | Maxtor Corporation | Disk drive adaptable for multiple operating voltages |
| 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 |
| US5696647A (en) | 1994-03-28 | 1997-12-09 | Seagate Technology, Inc. | Method for carrying out seeks in a hard disc drive to limit the generation of acoustic noise including using a slew rate limit |
| EP1674974A3 (en) * | 1994-06-07 | 2007-03-21 | Hitachi, Global Storage Technologies Japan, Ltd. | Information storing device |
| US5901009A (en) | 1995-05-31 | 1999-05-04 | International Business Machines Corporation | Reduced seek acoustic noise direct access storage device |
| KR100277073B1 (ko) | 1995-07-24 | 2001-01-15 | 윤종용 | 자기 디스크 구동장치에서 자기 헤드의 속도 및 위치 추정기 |
| US5668680A (en) | 1995-09-21 | 1997-09-16 | Seagate Technology, Inc. | Time optimal control of a disc drive actuator with vibro-acoustic constraints |
| KR100267364B1 (ko) | 1996-04-30 | 2000-10-16 | 윤종용 | 전류콘트롤 에러를 줄이기 위한 적응피이드 포워드 장치 |
| KR100251924B1 (ko) | 1996-09-02 | 2000-04-15 | 윤종용 | 탐색시 소음을 줄이기 위한 적응피이드포워드 제어방법 |
| US5880587A (en) | 1997-02-03 | 1999-03-09 | International Business Machines Corporation | Method and apparatus for performing in file slider take-off measurements through tuned external AE detection |
| US6008640A (en) | 1997-04-28 | 1999-12-28 | Seagate Technology, Inc. | Detection and measurement of head disc interference using read back signal (without acoustic emission sensor or laser doppler vibrometer) |
| US6031684A (en) | 1997-06-03 | 2000-02-29 | Seagate Technology, Inc. | Servo gain optimization using model reference seeks in a disc drive |
| US5986426A (en) * | 1997-08-05 | 1999-11-16 | International Business Machines Corporation | Adaptive pulse width modulated motor control |
| US6002232A (en) * | 1997-08-15 | 1999-12-14 | Iowa State University Research Foundation, Inc. | Robust vibration suppression methods and systems |
| US6038096A (en) * | 1997-08-28 | 2000-03-14 | Samsung Electronics Co., Ltd. | Adaptive sector seeking method for reducing disk drive power consumption |
| US6111720A (en) | 1997-08-28 | 2000-08-29 | International Business Machines Corporation | Method and apparatus for providing separate read/write velocity curves |
| US6148240A (en) | 1998-03-06 | 2000-11-14 | Quantum Corporation | Method and apparatus for performing an open-loop current shaping for seeking acoustics reduction in a disk drive |
| US6101065A (en) | 1998-03-30 | 2000-08-08 | Western Digital Corporation | Disk drive with seek profile selection based on read/write operation |
| GB2354632B (en) | 1998-07-13 | 2003-03-12 | Seagate Technology Llc | Current profile shaping to reduce disc drive seek time variation and acoustic noise generation |
| US6195222B1 (en) | 1998-11-04 | 2001-02-27 | Western Digital Corporation | Disk drive with seek profile selection based on a queued vs. non-queued environment |
-
1999
- 1999-03-04 US US09/262,781 patent/US6314473B1/en not_active Expired - Lifetime
- 1999-03-05 CN CN99805826A patent/CN1299506A/zh active Pending
- 1999-03-05 WO PCT/US1999/004910 patent/WO1999045535A1/en not_active Ceased
- 1999-03-05 EP EP99909868A patent/EP1058928A1/en not_active Withdrawn
- 1999-03-05 AU AU28975/99A patent/AU2897599A/en not_active Abandoned
- 1999-03-05 JP JP2000535002A patent/JP2002516423A/ja active Pending
- 1999-03-05 CA CA002322630A patent/CA2322630A1/en not_active Abandoned
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005235386A (ja) * | 2004-02-21 | 2005-09-02 | Samsung Electronics Co Ltd | 記録順序再配列方法，ハードディスク装置，及びディスク記録方法 |
| KR101851816B1 (ko) * | 2010-08-11 | 2018-04-24 | 댄포스 파워 솔루션스 게엠베하 운트 코. 오하게 | 전기적으로 제어된 밸브의 상태를 검출하기 위한 방법 및 장치 |
| US10429427B2 (en) | 2010-08-11 | 2019-10-01 | Danfoss Power Solutions Gmbh & Co. Ohg | Method and device for determining the state of an electrically controlled valve |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1058928A1 (en) | 2000-12-13 |
| AU2897599A (en) | 1999-09-20 |
| CA2322630A1 (en) | 1999-09-10 |
| CN1299506A (zh) | 2001-06-13 |
| WO1999045535A1 (en) | 1999-09-10 |
| US6314473B1 (en) | 2001-11-06 |
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