IT1160259B - Tachimetro elettronico ad autoregolazione - Google Patents

Tachimetro elettronico ad autoregolazione

Info

Publication number
IT1160259B
IT1160259B IT30067/78A IT3006778A IT1160259B IT 1160259 B IT1160259 B IT 1160259B IT 30067/78 A IT30067/78 A IT 30067/78A IT 3006778 A IT3006778 A IT 3006778A IT 1160259 B IT1160259 B IT 1160259B
Authority
IT
Italy
Prior art keywords
self
regulating electronic
electronic speedometer
speedometer
regulating
Prior art date
Application number
IT30067/78A
Other languages
English (en)
Other versions
IT7830067A0 (it
Original Assignee
Sperry Rand Corp
Ora Sperry 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 Sperry Rand Corp, Ora Sperry Corp filed Critical Sperry Rand Corp
Publication of IT7830067A0 publication Critical patent/IT7830067A0/it
Application granted granted Critical
Publication of IT1160259B publication Critical patent/IT1160259B/it

Links

Classifications

    • 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
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/19—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
    • G05B19/21—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using an incremental digital measuring device
    • G05B19/23—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using an incremental digital measuring device for point-to-point control
    • G05B19/231—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using an incremental digital measuring device for point-to-point control the positional error is used to control continuously the servomotor according to its magnitude
    • G05B19/232—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using an incremental digital measuring device for point-to-point control the positional error is used to control continuously the servomotor according to its magnitude with speed feedback only
    • 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
    • G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
    • G11B5/553—Details
    • G11B5/5547—"Seek" control and circuits therefor
    • 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
    • G05B2219/37—Measurements
    • G05B2219/37388—Acceleration or deceleration, inertial measurement
    • 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
    • G05B2219/41—Servomotor, servo controller till figures
    • G05B2219/41163—Adapt gain to friction, weight, inertia

Landscapes

  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Position Or Direction (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Control Of Velocity Or Acceleration (AREA)
IT30067/78A 1977-11-23 1978-11-22 Tachimetro elettronico ad autoregolazione IT1160259B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/854,299 US4184108A (en) 1977-11-23 1977-11-23 Self-regulating electronic tachometer

Publications (2)

Publication Number Publication Date
IT7830067A0 IT7830067A0 (it) 1978-11-22
IT1160259B true IT1160259B (it) 1987-03-11

Family

ID=25318296

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30067/78A IT1160259B (it) 1977-11-23 1978-11-22 Tachimetro elettronico ad autoregolazione

Country Status (6)

Country Link
US (1) US4184108A (it)
EP (1) EP0002133B1 (it)
JP (1) JPS55972A (it)
CA (1) CA1116726A (it)
DE (1) DE2862251D1 (it)
IT (1) IT1160259B (it)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4257074A (en) * 1979-06-15 1981-03-17 Magnetic Peripherals Inc. Time optimal function generator for disk file magnetic recording head servo position control loop
US4263627A (en) * 1979-06-18 1981-04-21 Sperry Rand Corporation Electronic tachometer
FR2466078A1 (fr) * 1979-09-21 1981-03-27 Cii Honeywell Bull Procede pour deplacer un systeme mobile par rapport a un support d'informations et dispositif pour le mettre en oeuvre
US4315198A (en) * 1979-11-07 1982-02-09 Qume Corporation Digital servo system
US4329721A (en) * 1980-02-11 1982-05-11 Sperry Corporation Tachometer for deriving average velocity output by sampling position signal
EP0093886A3 (en) * 1982-06-22 1984-01-18 International Business Machines Corporation Manufacturing method and apparatus for adjusting the position of a magnetic head in a flexible disk drive
US4574227A (en) * 1983-11-14 1986-03-04 Datapoint Corporation Dual mode servo
JPS621012A (ja) * 1985-06-26 1987-01-07 Mitsubishi Electric Corp 回転体の位置決め制御装置
US4679103A (en) * 1986-04-29 1987-07-07 International Business Machines Corporation Digital servo control system for a data recording disk file
US5243691A (en) * 1986-06-18 1993-09-07 Hitachi, Ltd. System for printing documents
WO1988001763A1 (en) * 1986-09-04 1988-03-10 North Atlantic Industries, Inc. Servo-system
JPS6368913A (ja) * 1986-09-10 1988-03-28 Fujitsu Ltd サ−ボ制御回路
JPS6443879A (en) * 1987-08-06 1989-02-16 Ibm Method and apparatus for control of positioning of head
JPH0199486A (ja) * 1987-10-12 1989-04-18 Pioneer Electron Corp ピックアップ駆動用リニアモータの制御装置
JPH0736130B2 (ja) * 1989-01-10 1995-04-19 富士通株式会社 サーボ位置決め回路
US5194798A (en) * 1989-01-10 1993-03-16 Fujitsu Limited Servo circuit control method and system
JPH0736131B2 (ja) * 1989-01-10 1995-04-19 富士通株式会社 サーボ回路
US5204932A (en) * 1989-01-10 1993-04-20 Fujitsu Limited Servo circuit for magnetic disk apparatus
JP2613937B2 (ja) * 1989-01-30 1997-05-28 富士通株式会社 サーボ回路
JP2616008B2 (ja) * 1989-06-02 1997-06-04 富士通株式会社 ディスク装置
DE4038598C1 (it) * 1990-12-04 1991-11-28 Klaus 7312 Kirchheim De Lenhart
JPH0553849U (ja) * 1991-12-26 1993-07-20 大昭和精機株式会社 センタ研磨装置
KR0156861B1 (ko) * 1995-11-27 1998-12-15 김광호 하드디스크 드라이브에 있어서 서보제어 이득 자동 보상방법
US6707269B2 (en) * 2001-09-11 2004-03-16 Seagate Technology Llc Motor control circuit with adaptive dynamic range selection
CN100437769C (zh) * 2005-01-06 2008-11-26 建兴电子科技股份有限公司 光盘片的读取方法
JP2008243288A (ja) * 2007-03-27 2008-10-09 Fujitsu Ltd 磁気記憶装置、制御装置及び浮上量制御方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4006394A (en) * 1972-08-21 1977-02-01 Information Storage Systems, Inc. Coarse and fine control for position servo
GB1396834A (en) * 1973-01-31 1975-06-04 Ibm Data storage apparatus
US3883894A (en) * 1973-10-19 1975-05-13 Storage Disk Corp Disk drive servo system
US4030132A (en) * 1975-03-27 1977-06-14 Memorex Corporation Dual mode velocity servo control for a linear actuator motor

Also Published As

Publication number Publication date
JPS55972A (en) 1980-01-07
US4184108A (en) 1980-01-15
EP0002133A1 (en) 1979-05-30
DE2862251D1 (en) 1983-06-16
JPH0223947B2 (it) 1990-05-25
CA1116726A (en) 1982-01-19
EP0002133B1 (en) 1983-05-11
IT7830067A0 (it) 1978-11-22

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19931130