JPH0293516U - - Google Patents
Info
- Publication number
- JPH0293516U JPH0293516U JP120089U JP120089U JPH0293516U JP H0293516 U JPH0293516 U JP H0293516U JP 120089 U JP120089 U JP 120089U JP 120089 U JP120089 U JP 120089U JP H0293516 U JPH0293516 U JP H0293516U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- trip
- control
- subtracter
- magnetic bearing
- 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.)
- Pending
Links
- 238000009499 grossing Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Description
第１図は本考案の一実施例を示す磁気軸受装置
のブロツク図、第２図は第１図における磁気軸受
の位置センサから電磁石電流へのゲイン特性を示
す図、第３図は第１図における電磁石の電流と磁
束の関係を示す図、第４図は従来の磁気軸受のブ
ロツク図である。
９′…整流・検波回路、１０′…平滑回路、１
１′…論理回路、１２…ＯＲ論理回路。
FIG. 1 is a block diagram of a magnetic bearing device showing an embodiment of the present invention, FIG. 2 is a diagram showing the gain characteristics from the position sensor of the magnetic bearing in FIG. 1 to the electromagnet current, and FIG. 3 is the same as in FIG. FIG. 4 is a block diagram of a conventional magnetic bearing. 9'... Rectification/detection circuit, 10'... Smoothing circuit, 1
1'...Logic circuit, 12...OR logic circuit.
Claims (1)
るように位置信号をフイードバツクし、電磁石の
電流を制御するために、２個の位置センサ、設定
入力との比較器、制御回路、駆動回路、２個の電
磁石、前記２個の位置センサの出力信号の減算器
、ならびにこの減算器より分岐した整流検波回路
、平滑回路、論理回路よりなる第１のトリツプ回
路を有する能動型磁気軸受装置において、前記制
御回路の出力側に分岐して、それぞれ第２の整流
検波回路、平滑回路、論理回路よりなる第２のト
リツプ回路を接続し、かつ、前記第１のトリツプ
回路と前記第２のトリツプ回路とをトリツプ信号
発生用ＯＲ論理回路に接続してなることを特徴と
する能動型磁気軸受装置。 Two position sensors, a comparator with the setting input, a control circuit, and a drive circuit are used to measure the axial position of the rotating body, feed back the position signal so that the position becomes the set value, and control the electromagnet current. , an active magnetic bearing device having two electromagnets, a subtracter for the output signals of the two position sensors, and a first trip circuit branched from the subtracter and consisting of a rectifier detection circuit, a smoothing circuit, and a logic circuit. , branching to the output side of the control circuit, and connecting second trip circuits each consisting of a second rectifying/detecting circuit, a smoothing circuit, and a logic circuit, and connecting the first trip circuit and the second trip circuit. An active magnetic bearing device characterized in that the circuit is connected to an OR logic circuit for generating a trip signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP120089U JPH0293516U (en) | 1989-01-11 | 1989-01-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP120089U JPH0293516U (en) | 1989-01-11 | 1989-01-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0293516U true JPH0293516U (en) | 1990-07-25 |
Family
ID=31200884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP120089U Pending JPH0293516U (en) | 1989-01-11 | 1989-01-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0293516U (en) |
-
1989
- 1989-01-11 JP JP120089U patent/JPH0293516U/ja active Pending
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