IT8148922A0 - Sistema a correnti parassite per controllare la rotazione di pacchi dischi - Google Patents
Sistema a correnti parassite per controllare la rotazione di pacchi dischiInfo
- Publication number
- IT8148922A0 IT8148922A0 IT8148922A IT4892281A IT8148922A0 IT 8148922 A0 IT8148922 A0 IT 8148922A0 IT 8148922 A IT8148922 A IT 8148922A IT 4892281 A IT4892281 A IT 4892281A IT 8148922 A0 IT8148922 A0 IT 8148922A0
- Authority
- IT
- Italy
- Prior art keywords
- eddish
- rotation
- control
- current system
- disc packs
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/0016—Control of angular speed of one shaft without controlling the prime mover
- H02P29/0022—Controlling a brake between the prime mover and the load
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Electric Motors In General (AREA)
- Rotational Drive Of Disk (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
- Control Of Velocity Or Acceleration (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/174,042 US4355266A (en) | 1980-07-31 | 1980-07-31 | Eddy current servo system for controlling the rotation of disk packs |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8148922A0 true IT8148922A0 (it) | 1981-07-17 |
IT1158047B IT1158047B (it) | 1987-02-18 |
Family
ID=22634548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48922/81A IT1158047B (it) | 1980-07-31 | 1981-07-17 | Sistema a correnti parassite per controllare la rotazione di pacchi dischi |
Country Status (7)
Country | Link |
---|---|
US (1) | US4355266A (it) |
JP (1) | JPS5758270A (it) |
BE (1) | BE889786A (it) |
DE (1) | DE3128627C2 (it) |
FR (1) | FR2488024A1 (it) |
GB (1) | GB2080980B (it) |
IT (1) | IT1158047B (it) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6047515A (ja) * | 1983-08-26 | 1985-03-14 | Victor Co Of Japan Ltd | 同期引込判別回路 |
US4578625A (en) * | 1983-12-21 | 1986-03-25 | Computer Memories, Inc. | Spindle drive control system |
JPS60167688A (ja) * | 1984-01-26 | 1985-08-31 | Canon Inc | 回転位相制御回路 |
US4627236A (en) * | 1984-05-29 | 1986-12-09 | Reynolds Metals Company | Apparatus and method for controlling the speed of rotation of shaft |
US4855654A (en) * | 1985-03-16 | 1989-08-08 | Canon Kabushiki Kaisha | Rotary body drive device |
US4816937A (en) * | 1985-10-17 | 1989-03-28 | Canon Kabushiki Kaisha | Recording and/or reproduction apparatus capable of retaining start up information |
DE3641407A1 (de) * | 1986-12-04 | 1988-06-09 | Thomson Brandt Gmbh | Anordnung zur drehzahlregelung |
JP2724142B2 (ja) * | 1986-12-19 | 1998-03-09 | 株式会社リコー | 回転速度信号発生装置 |
US5032776A (en) * | 1988-11-10 | 1991-07-16 | Unisys Corp. | Attenuation filter |
JP2002538570A (ja) | 1999-02-22 | 2002-11-12 | シーゲイト テクノロジー エルエルシー | 再現性ランアウト・エラーの補償 |
JP2002544639A (ja) | 1999-05-07 | 2002-12-24 | シーゲイト テクノロジー エルエルシー | ディスク記憶システムにおいて繰り返し学習制御装置を使用した反復性ランアウト補償 |
WO2001008139A1 (en) | 1999-07-23 | 2001-02-01 | Seagate Technology Llc | Repeatable runout compensation using a learning algorithm with scheduled parameters |
US6952320B1 (en) | 1999-12-16 | 2005-10-04 | Seagate Technology Llc | Virtual tracks for repeatable runout compensation |
CN114185370A (zh) * | 2020-08-24 | 2022-03-15 | 广东博智林机器人有限公司 | 一种伺服***及其转速补偿方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB532911A (en) * | 1938-09-27 | 1941-02-03 | Philips Nv | Improvements in devices for controlling the speed of a rotating body |
US3268788A (en) * | 1963-01-09 | 1966-08-23 | Minnesota Mining & Mfg | Phase difference speed control system |
FR1363752A (fr) * | 1963-07-19 | 1964-06-12 | Philips Nv | Dispositif de synchronisation |
GB1201477A (en) * | 1966-11-17 | 1970-08-05 | Matsushita Electric Ind Co Ltd | Rotation control device |
AT275670B (de) * | 1967-04-26 | 1969-11-10 | Philips Nv | Schaltungsanordnung zum In-Phase-Bringen und In- Phase-Halten eines Servoantriebes in Abhängigkeit von einem als Impulsfrequenz vorliegenden Referenzsignal zur Steuerung eines rotierenden Systems |
US3629633A (en) * | 1970-10-26 | 1971-12-21 | Eaton Yale & Towne | Controlled-velocity drive control |
US3828168A (en) * | 1972-03-31 | 1974-08-06 | Eaton Corp | Controlled velocity drive |
JPS5062008A (it) * | 1973-10-01 | 1975-05-27 | ||
US3893178A (en) * | 1973-12-19 | 1975-07-01 | Information Storage Systems | Synchronization of multiple disc drives |
AT332939B (de) * | 1974-10-16 | 1976-10-25 | Philips Nv | Schaltungsanordnung zum in-phase-bringen eines servoantriebes fur ein rotierendes system |
US3983316A (en) * | 1975-03-17 | 1976-09-28 | Rca Corporation | Turntable speed control system |
DE2715870B2 (de) * | 1977-04-09 | 1981-07-16 | Carl Schenck Ag, 6100 Darmstadt | Verfahren zur schnellen Veränderung des Bremsmomentes einer Wirbelstrombremse und Vorrichtung zur Durchführung des Verfahrens |
-
1980
- 1980-07-31 US US06/174,042 patent/US4355266A/en not_active Expired - Lifetime
-
1981
- 1981-07-17 IT IT48922/81A patent/IT1158047B/it active
- 1981-07-20 DE DE3128627A patent/DE3128627C2/de not_active Expired
- 1981-07-28 GB GB8123283A patent/GB2080980B/en not_active Expired
- 1981-07-29 BE BE0/205523A patent/BE889786A/fr not_active IP Right Cessation
- 1981-07-29 FR FR8114707A patent/FR2488024A1/fr active Granted
- 1981-07-30 JP JP56118587A patent/JPS5758270A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
GB2080980B (en) | 1984-08-22 |
GB2080980A (en) | 1982-02-10 |
FR2488024A1 (fr) | 1982-02-05 |
BE889786A (fr) | 1981-11-16 |
FR2488024B1 (it) | 1984-12-21 |
DE3128627C2 (de) | 1985-01-31 |
US4355266A (en) | 1982-10-19 |
JPS5758270A (en) | 1982-04-07 |
DE3128627A1 (de) | 1982-03-25 |
IT1158047B (it) | 1987-02-18 |
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