JPS6235357B2 - - Google Patents
Info
- Publication number
- JPS6235357B2 JPS6235357B2 JP54022660A JP2266079A JPS6235357B2 JP S6235357 B2 JPS6235357 B2 JP S6235357B2 JP 54022660 A JP54022660 A JP 54022660A JP 2266079 A JP2266079 A JP 2266079A JP S6235357 B2 JPS6235357 B2 JP S6235357B2
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- information
- circuit
- magnetic field
- rotor magnet
- 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
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
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/10—Arrangements for controlling torque ripple, e.g. providing reduced torque ripple
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Brushless Motors (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2266079A JPS55117485A (en) | 1979-02-28 | 1979-02-28 | Brushless dc motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2266079A JPS55117485A (en) | 1979-02-28 | 1979-02-28 | Brushless dc motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55117485A JPS55117485A (en) | 1980-09-09 |
| JPS6235357B2 true JPS6235357B2 (cs) | 1987-07-31 |
Family
ID=12088993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2266079A Granted JPS55117485A (en) | 1979-02-28 | 1979-02-28 | Brushless dc motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55117485A (cs) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4525657A (en) * | 1983-03-09 | 1985-06-25 | Matsushita Electric Industrial Co., Ltd. | Torque ripple compensation circuit for a brushless D.C. motor |
| JPS6139885A (ja) * | 1984-07-27 | 1986-02-26 | Yaskawa Electric Mfg Co Ltd | 同期型交流サ−ボモ−タの駆動方式 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS555010A (en) * | 1978-06-23 | 1980-01-14 | Nippon Telegr & Teleph Corp <Ntt> | Method of driving brushless motor |
-
1979
- 1979-02-28 JP JP2266079A patent/JPS55117485A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55117485A (en) | 1980-09-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4874993A (en) | Sensorless brushless motor | |
| US7049776B2 (en) | Rotor-position sensor assembly and method for detecting a rotor position | |
| US5036264A (en) | Brushless motor with no rotor-position sensor | |
| US4409526A (en) | Brushless DC motor | |
| JPH0919184A (ja) | ブラシレスモータ | |
| US6313601B1 (en) | Speed control of a motor | |
| JPH0622394B2 (ja) | 3相ブラシレスモータ | |
| JPS6235357B2 (cs) | ||
| JP4375638B2 (ja) | モータ回転軸の絶対位置検出方法 | |
| JPS624955B2 (cs) | ||
| JPS624954B2 (cs) | ||
| JPS6235354B2 (cs) | ||
| JPS6235356B2 (cs) | ||
| JPS6176911A (ja) | 磁気エンコ−ダ | |
| JPS6235355B2 (cs) | ||
| JPS6227621B2 (cs) | ||
| JPS58131571A (ja) | ホ−ルモ−タの速度検出方法 | |
| JP2584039B2 (ja) | 回転ヘッドシリンダー装置 | |
| JP3402328B2 (ja) | ブラシレスモータ | |
| JPS634439B2 (cs) | ||
| JPS62175952A (ja) | Vtr用ドラムモ−タにおけるスイツチングパルス発生装置 | |
| JP3590237B2 (ja) | ディスク駆動装置 | |
| JPH0819238A (ja) | モータの位置検出装置 | |
| JPS6235358B2 (cs) | ||
| JPH065369U (ja) | モータの相位置検出装置 |