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GB2078030B - Protected servomechanism - Google Patents

Protected servomechanism

Info

Publication number
GB2078030B
GB2078030B GB8115851A GB8115851A GB2078030B GB 2078030 B GB2078030 B GB 2078030B GB 8115851 A GB8115851 A GB 8115851A GB 8115851 A GB8115851 A GB 8115851A GB 2078030 B GB2078030 B GB 2078030B
Authority
GB
United Kingdom
Prior art keywords
servomechanism
protected
protected servomechanism
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.)
Expired
Application number
GB8115851A
Other versions
GB2078030A (en
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.)
Unisys Corp
Original Assignee
Burroughs 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 Burroughs Corp filed Critical Burroughs Corp
Priority to GB8115851A priority Critical patent/GB2078030B/en
Publication of GB2078030A publication Critical patent/GB2078030A/en
Application granted granted Critical
Publication of GB2078030B publication Critical patent/GB2078030B/en
Expired legal-status Critical Current

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
    • G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
    • G11B21/106—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following on disks
    • 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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/42—Servomotor, servo controller kind till VSS
    • G05B2219/42326—Protection servo for saturation of amplifier
GB8115851A 1980-06-14 1981-05-22 Protected servomechanism Expired GB2078030B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8115851A GB2078030B (en) 1980-06-14 1981-05-22 Protected servomechanism

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8019533 1980-06-14
GB8115851A GB2078030B (en) 1980-06-14 1981-05-22 Protected servomechanism

Publications (2)

Publication Number Publication Date
GB2078030A GB2078030A (en) 1981-12-23
GB2078030B true GB2078030B (en) 1983-02-02

Family

ID=26275885

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8115851A Expired GB2078030B (en) 1980-06-14 1981-05-22 Protected servomechanism

Country Status (1)

Country Link
GB (1) GB2078030B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5938978A (en) * 1982-08-26 1984-03-03 Toshiba Corp Magnetic head driver
US4553181A (en) * 1983-07-12 1985-11-12 Memorex Corporation Disk drive positioning system providing fault-free protection against endstop head crashes by use of a passive network in the actuator driving signal path
EP0305498B1 (en) * 1987-03-03 1992-04-08 Unisys Corporation Crash-prevention for disk drive positioning system
US4914644A (en) * 1988-09-26 1990-04-03 International Business Machines Corporation Disk file digital servo control system with coil current modeling
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

Also Published As

Publication number Publication date
GB2078030A (en) 1981-12-23

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20010521