JPS5761814A - Control system of magnetic bearing - Google Patents
Control system of magnetic bearingInfo
- Publication number
- JPS5761814A JPS5761814A JP13562780A JP13562780A JPS5761814A JP S5761814 A JPS5761814 A JP S5761814A JP 13562780 A JP13562780 A JP 13562780A JP 13562780 A JP13562780 A JP 13562780A JP S5761814 A JPS5761814 A JP S5761814A
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- displacement
- magnetic bearing
- photo
- change
- 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
Links
Abstract
PURPOSE: To simplify the structure of a magnetic bearing to improve its economy and producibility, by controlling power fed in exciting coils of the bearing through change in the amount of light received due to displacement of a light shield attached to a rotary shaft.
CONSTITUTION: A displacement signal processing circuit 9 controls power fed in exciting coils 12, 13 of a magnetic bearing through a change in the amount of light received due to displacement of a light shield 14 attached to a rotary shaft 15. The light shield 14 increases or decreases the amount of light beams 4 deflected in the opposite directions by a deflector 5 in accordance with the axial displacement of the shaft 15, which causes a change in output signals of a photo cell or photo-transistor 7, 8 for detecting any axial displacement of the shaft 15 by means of the circuit 9 receiving the output. Since the photo cell 7 and photo-transistor 8 are placed in the opposite directions (180°) to each other, their inclination, if any, with relation to the shaft 15 can be corrected by the circuit 9.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13562780A JPS5761814A (en) | 1980-09-29 | 1980-09-29 | Control system of magnetic bearing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13562780A JPS5761814A (en) | 1980-09-29 | 1980-09-29 | Control system of magnetic bearing |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5761814A true JPS5761814A (en) | 1982-04-14 |
JPS648206B2 JPS648206B2 (en) | 1989-02-13 |
Family
ID=15156219
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13562780A Granted JPS5761814A (en) | 1980-09-29 | 1980-09-29 | Control system of magnetic bearing |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5761814A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59219521A (en) * | 1983-05-27 | 1984-12-10 | Toshiba Corp | Magnetic bearing |
JPS6092441A (en) * | 1983-10-25 | 1985-05-24 | Sumitomo Light Metal Ind Ltd | Aluminum alloy material for vtr cylinder with superior wear resistance |
JPS60196219A (en) * | 1984-03-16 | 1985-10-04 | Showa Alum Corp | Production of wear resistant alluminum alloy extrudate |
JPS61160626A (en) * | 1985-01-07 | 1986-07-21 | Ntn Toyo Bearing Co Ltd | Control type axial magnetic bearing unit |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49101753A (en) * | 1973-01-11 | 1974-09-26 |
-
1980
- 1980-09-29 JP JP13562780A patent/JPS5761814A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49101753A (en) * | 1973-01-11 | 1974-09-26 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59219521A (en) * | 1983-05-27 | 1984-12-10 | Toshiba Corp | Magnetic bearing |
JPH0587686B2 (en) * | 1983-05-27 | 1993-12-17 | Tokyo Shibaura Electric Co | |
JPS6092441A (en) * | 1983-10-25 | 1985-05-24 | Sumitomo Light Metal Ind Ltd | Aluminum alloy material for vtr cylinder with superior wear resistance |
JPS6213422B2 (en) * | 1983-10-25 | 1987-03-26 | Sumitomo Light Metal Ind | |
JPS60196219A (en) * | 1984-03-16 | 1985-10-04 | Showa Alum Corp | Production of wear resistant alluminum alloy extrudate |
JPH0332403B2 (en) * | 1984-03-16 | 1991-05-13 | Showa Aluminium Co Ltd | |
JPS61160626A (en) * | 1985-01-07 | 1986-07-21 | Ntn Toyo Bearing Co Ltd | Control type axial magnetic bearing unit |
Also Published As
Publication number | Publication date |
---|---|
JPS648206B2 (en) | 1989-02-13 |
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