FR2465370A1 - Circuit de compensation de surmodulation de sous-modulation et de retard transitoires dans des systemes comportant des reseaux de filtres reactifs - Google Patents

Circuit de compensation de surmodulation de sous-modulation et de retard transitoires dans des systemes comportant des reseaux de filtres reactifs Download PDF

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Publication number
FR2465370A1
FR2465370A1 FR8019817A FR8019817A FR2465370A1 FR 2465370 A1 FR2465370 A1 FR 2465370A1 FR 8019817 A FR8019817 A FR 8019817A FR 8019817 A FR8019817 A FR 8019817A FR 2465370 A1 FR2465370 A1 FR 2465370A1
Authority
FR
France
Prior art keywords
signal
input
filter
circuit
output
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
FR8019817A
Other languages
English (en)
French (fr)
Other versions
FR2465370B1 (enExample
Inventor
Gordon Ditlev Svendsen
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.)
Ampex Corp
Original Assignee
Ampex 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 Ampex Corp filed Critical Ampex Corp
Publication of FR2465370A1 publication Critical patent/FR2465370A1/fr
Application granted granted Critical
Publication of FR2465370B1 publication Critical patent/FR2465370B1/fr
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition 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
    • G11B5/58Disposition 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
    • G11B5/596Disposition 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
    • G11B5/59627Aligning for runout, eccentricity or offset compensation
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B5/00Anti-hunting arrangements
    • G05B5/01Anti-hunting arrangements electric
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00Control of position or direction
    • G05D3/12Control of position or direction using feedback
    • G05D3/14Control of position or direction using feedback using an analogue comparing device
    • G05D3/1445Control of position or direction using feedback using an analogue comparing device with a plurality of loops

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Feedback Control In General (AREA)
FR8019817A 1979-09-13 1980-09-15 Circuit de compensation de surmodulation de sous-modulation et de retard transitoires dans des systemes comportant des reseaux de filtres reactifs Granted FR2465370A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/075,562 US4268785A (en) 1979-09-13 1979-09-13 Transient overshoot, undershoot and delay compensation circuit in systems comprising reactive filter networks

Publications (2)

Publication Number Publication Date
FR2465370A1 true FR2465370A1 (fr) 1981-03-20
FR2465370B1 FR2465370B1 (enExample) 1983-02-18

Family

ID=22126567

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8019817A Granted FR2465370A1 (fr) 1979-09-13 1980-09-15 Circuit de compensation de surmodulation de sous-modulation et de retard transitoires dans des systemes comportant des reseaux de filtres reactifs

Country Status (4)

Country Link
US (1) US4268785A (enExample)
EP (1) EP0025606B1 (enExample)
DE (1) DE3063345D1 (enExample)
FR (1) FR2465370A1 (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4398228A (en) * 1981-04-28 1983-08-09 Iomega Corporation Method of avoiding resonance in servo controlled apparatus
US4556921A (en) * 1983-06-30 1985-12-03 Memorex Corporation Method and apparatus to improve the positioning accuracy of a tracking arm
JPH0820905B2 (ja) * 1988-03-10 1996-03-04 富士通株式会社 サーボ位置決め装置
US5006807A (en) * 1988-12-27 1991-04-09 Blum Steven M Method for determining undershoot resistance of an electronic device
US5090002A (en) * 1989-03-07 1992-02-18 International Business Machines Corporation Positioning systems employing velocity and position control loops with position control loop having an extended range
US5166842A (en) * 1990-02-28 1992-11-24 Seagate Technology, Inc. Method for minimizing time for adjusting servo offsets in a hard disk drive
US5206570A (en) * 1991-03-19 1993-04-27 Maxtor Corporation Actuator servo compensation method
US5296790A (en) * 1992-05-08 1994-03-22 Ampex Systems Corporation Motor driven damping arrangement and method
GB2283583B (en) * 1993-10-15 1998-06-24 Seiko Epson Corp Temperature control in a fixing device for an image forming apparatus
US5617051A (en) * 1995-06-22 1997-04-01 Maxim Integrated Products Voltage overshoot limiter
US6064171A (en) * 1999-06-11 2000-05-16 Lexmark, International, Inc. Host based stepper motor phase controller and method therefor
US6624607B1 (en) * 1999-11-18 2003-09-23 Parker-Hannifin Corporation Energy-absorbing filter for a motor
TW595083B (en) * 2003-05-14 2004-06-21 Prolific Technology Inc Noiseless driving IC for DC motor
DE102009047179B8 (de) * 2009-11-26 2016-08-18 Carl Zeiss Smt Gmbh Projektionsobjektiv
US8339134B2 (en) 2010-10-08 2012-12-25 Allegro Microsystems, Inc. Apparatus and method for reducing a transient signal in a magnetic field sensor
US8487699B2 (en) 2011-07-22 2013-07-16 Massachusetts Institute Of Technology Inductive-element feedback-loop compensator
US9835181B2 (en) * 2013-04-22 2017-12-05 Illinois Tool Works Inc. Systems and methods for detecting a type of hydraulic device
US9191013B1 (en) 2013-10-24 2015-11-17 Seagate Technology Llc Voltage compensation
US11955897B2 (en) * 2021-02-04 2024-04-09 Texas Instruments Incorporated Resonant DC-DC converter with average half cycle control

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3273035A (en) * 1963-11-27 1966-09-13 Avco Corp System of stabilization for a sampledata servo using a variable gain sampled-data loop and a proportional loop
NL149612B (nl) * 1968-12-03 1976-05-17 Hartmann & Braun Ag Regelaar.
US3646480A (en) * 1970-12-24 1972-02-29 Bell Telephone Labor Inc Recursive automatic equalizer
US3696354A (en) * 1971-11-19 1972-10-03 Gaston Albert Palombo Position control system
US3808486A (en) * 1972-08-25 1974-04-30 Information Storage Systems Selective frequency compensation for a servo system
US3916291A (en) * 1973-08-30 1975-10-28 Westinghouse Electric Corp Power generating arrangement employing synchronous dynamoelectric machine having improved dynamic and transient stability
US3924268A (en) * 1974-08-05 1975-12-02 Ibm High density track follower control system for magnetic disk file
DE2510837C3 (de) * 1975-03-12 1985-07-11 Siemens AG, 1000 Berlin und 8000 München Einrichtung zur Regelung von totzeitbehafteten Regelstrecken
US4030132A (en) * 1975-03-27 1977-06-14 Memorex Corporation Dual mode velocity servo control for a linear actuator motor
DE2629473C2 (de) * 1976-06-30 1982-10-28 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zum Versetzen der Datenköpfe eines Plattenspeichers um einen definierten Betrag aus der Datenzylindermitte
DE2638231A1 (de) * 1976-08-25 1977-11-10 Hellige Gmbh Pid-regler mit nichtlinearem eingriff
US4135217A (en) * 1976-11-02 1979-01-16 Xerox Corporation Utilization of stored run-out information in a track following servo system

Also Published As

Publication number Publication date
US4268785A (en) 1981-05-19
FR2465370B1 (enExample) 1983-02-18
EP0025606A1 (en) 1981-03-25
EP0025606B1 (en) 1983-05-18
DE3063345D1 (en) 1983-07-07

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