FR2344917A1 - Dispositif de compensation pour un systeme d'asservissement avec des signaux periodiques de commande - Google Patents

Dispositif de compensation pour un systeme d'asservissement avec des signaux periodiques de commande

Info

Publication number
FR2344917A1
FR2344917A1 FR7708217A FR7708217A FR2344917A1 FR 2344917 A1 FR2344917 A1 FR 2344917A1 FR 7708217 A FR7708217 A FR 7708217A FR 7708217 A FR7708217 A FR 7708217A FR 2344917 A1 FR2344917 A1 FR 2344917A1
Authority
FR
France
Prior art keywords
control signals
compensation device
slave system
periodic control
periodic
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.)
Granted
Application number
FR7708217A
Other languages
English (en)
Other versions
FR2344917B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
Original Assignee
RCA Corp
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 RCA Corp filed Critical RCA Corp
Publication of FR2344917A1 publication Critical patent/FR2344917A1/fr
Application granted granted Critical
Publication of FR2344917B1 publication Critical patent/FR2344917B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
    • G11B7/0914—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only by non-optical methods, e.g. capacitive
FR7708217A 1976-03-19 1977-03-18 Dispositif de compensation pour un systeme d'asservissement avec des signaux periodiques de commande Granted FR2344917A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB11117/76A GB1577132A (en) 1976-03-19 1976-03-19 Compensation apparatus for a servo system with periodic command signals

Publications (2)

Publication Number Publication Date
FR2344917A1 true FR2344917A1 (fr) 1977-10-14
FR2344917B1 FR2344917B1 (fr) 1982-02-26

Family

ID=9980355

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7708217A Granted FR2344917A1 (fr) 1976-03-19 1977-03-18 Dispositif de compensation pour un systeme d'asservissement avec des signaux periodiques de commande

Country Status (7)

Country Link
US (1) US4300226A (fr)
JP (1) JPS52117103A (fr)
AU (1) AU510745B2 (fr)
DE (1) DE2711921C2 (fr)
FR (1) FR2344917A1 (fr)
GB (1) GB1577132A (fr)
NL (1) NL7702990A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2346805A1 (fr) * 1976-04-02 1977-10-28 Sony Corp Servomecanique pour appareils d'enregistrement et de lecture a support
FR2415330A1 (fr) * 1978-01-24 1979-08-17 Ivanov Gely Dispositif d'amortissement d'oscillations
FR2492143A1 (fr) * 1980-10-13 1982-04-16 Victor Company Of Japan Circuit de detection de signaux de reference pour appareil de reproduction de support d'enregistrement rotatif
WO1986005310A1 (fr) * 1985-03-09 1986-09-12 Deutsche Thomson-Brandt Gmbh Systeme pour determiner la vitesse d'exploration de disques audionumeriques pour exploration sans contact

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7901721A (nl) * 1979-03-05 1980-09-09 Philips Nv Regelsysteem.
DE3002670C2 (de) * 1980-01-25 1984-08-16 Polygram Gmbh, 2000 Hamburg Anordnung zur Messung der horizontalen Verformung von Informationsträgern
DE3029743C2 (de) * 1980-08-06 1986-02-27 Messer Griesheim Gmbh, 6000 Frankfurt Vorrichtung zur Konstanthaltung des Abstandes eines Werkzeuges von einem zu bearbeitenden Werkstück
JPS59168835U (ja) * 1983-04-27 1984-11-12 パイオニア株式会社 光学式記録情報読取装置
JPS60155017U (ja) * 1984-03-24 1985-10-16 パイオニア株式会社 光学情報読取装置
ATE44482T1 (de) * 1985-02-08 1989-07-15 Elektroniktechnologie Get Messanordnung mit einer kapazitiven messelektrode und bearbeitungs-werkzeug mit integrierter elektrode.
US4849916A (en) * 1985-04-30 1989-07-18 Ade Corporation Improved spatial resolution measurement system and method
US4804894A (en) * 1986-06-10 1989-02-14 Sony Corporation Motor rotation servo control apparatus
US4818948A (en) * 1986-08-05 1989-04-04 Pratt & Whitney Canada Inc. Capacitive bridge-type probe for measuring blade tip clearance
US4879672A (en) * 1987-08-21 1989-11-07 Control Data Corporation Method and apparatus for testing runout velocity and acceleration on a surface
US4931887A (en) * 1988-02-01 1990-06-05 International Business Machines Corporation Capacitive measurement and control of the fly height of a recording slider
JPH0820905B2 (ja) * 1988-03-10 1996-03-04 富士通株式会社 サーボ位置決め装置
US4980880A (en) * 1989-11-06 1990-12-25 Laser Magnetic Storage International Company Method and apparatus for simultaneously reading both sides of an optical storage disk
JP2504307B2 (ja) * 1990-08-01 1996-06-05 三菱電機株式会社 電動機の速度制御装置
US5446716A (en) * 1994-01-10 1995-08-29 Eastman Kodak Company Laser power control in an optical recording system to compensate for multiple system degradations
US5768228A (en) * 1996-09-09 1998-06-16 International Business Machines Corporation Method and sytem for cancelling optical servo crosstalk in optical disk drives
US6107767A (en) * 1998-03-20 2000-08-22 Trw Inc. Electric assist steering system having an improved motor current controller with notch filter
US7522480B2 (en) 2001-01-25 2009-04-21 Dphi Acquisitions, Inc. Digital tracking servo system with multi-track seek with an acceleration clamp
US20030133220A1 (en) * 2002-01-10 2003-07-17 Yi-Ping Hsin Written-in repeatable run-out compensation in embedded servo disc drives
DE10215252B4 (de) * 2002-04-06 2005-06-30 Minebea Co., Ltd. Verfahren zur Messung des wiederholbaren und des nicht wiederholbaren Schlages eines rotierenden Bauteils, insbesondere des Rotors eines Spindelmotors, und Vorrichtung zur Durchführung des Verfahrens
US7145304B1 (en) * 2005-08-29 2006-12-05 Zoran Corporation Rotating storage media control loops having adaptive feed forward insertion of signals including harmonics
JP5136410B2 (ja) * 2006-05-17 2013-02-06 日本電気株式会社 位置決め制御装置、及び、光ディスク装置
US10366718B1 (en) * 2018-03-23 2019-07-30 Seagate Technology Llc Hard disk servo control adaptive notch filter using a recursive least squares processor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2197195A1 (fr) * 1972-08-25 1974-03-22 Information Storage Systems
FR2198335A1 (fr) * 1972-09-02 1974-03-29 Philips Nv
US3825323A (en) * 1973-05-17 1974-07-23 Teletype Corp Rotary disc recording and readout system having capacitance controlled lens positioning means

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3187256A (en) * 1960-09-09 1965-06-01 Raydata Corp System for monitoring and indicating the eccentricity of circular objects in both a static and dynamic condition
US3379972A (en) * 1963-12-26 1968-04-23 Reliance Electric & Eng Co Non-contacting displacement gauge having a feedback means for controlling the vibration amplitude of the probe
US4005260A (en) * 1972-11-11 1977-01-25 U.S. Philips Corporation Device for reading a disk-shaped record carrier with time base correction
NL7215306A (fr) * 1972-11-11 1974-05-14
US3946166A (en) * 1974-04-01 1976-03-23 Zenith Radio Corporation Tracking arrangement
US3934262A (en) * 1974-07-02 1976-01-20 Zenith Radio Corporation Video disc and method of playback

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2197195A1 (fr) * 1972-08-25 1974-03-22 Information Storage Systems
FR2198335A1 (fr) * 1972-09-02 1974-03-29 Philips Nv
US3825323A (en) * 1973-05-17 1974-07-23 Teletype Corp Rotary disc recording and readout system having capacitance controlled lens positioning means

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2346805A1 (fr) * 1976-04-02 1977-10-28 Sony Corp Servomecanique pour appareils d'enregistrement et de lecture a support
FR2415330A1 (fr) * 1978-01-24 1979-08-17 Ivanov Gely Dispositif d'amortissement d'oscillations
FR2492143A1 (fr) * 1980-10-13 1982-04-16 Victor Company Of Japan Circuit de detection de signaux de reference pour appareil de reproduction de support d'enregistrement rotatif
WO1986005310A1 (fr) * 1985-03-09 1986-09-12 Deutsche Thomson-Brandt Gmbh Systeme pour determiner la vitesse d'exploration de disques audionumeriques pour exploration sans contact

Also Published As

Publication number Publication date
AU510745B2 (en) 1980-07-10
US4300226A (en) 1981-11-10
DE2711921A1 (de) 1977-09-22
AU2339177A (en) 1978-09-21
DE2711921C2 (de) 1983-11-03
FR2344917B1 (fr) 1982-02-26
JPS52117103A (en) 1977-10-01
GB1577132A (en) 1980-10-22
NL7702990A (nl) 1977-09-21
JPS5626895B2 (fr) 1981-06-22

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