JPH044314U - - Google Patents

Info

Publication number
JPH044314U
JPH044314U JP4317090U JP4317090U JPH044314U JP H044314 U JPH044314 U JP H044314U JP 4317090 U JP4317090 U JP 4317090U JP 4317090 U JP4317090 U JP 4317090U JP H044314 U JPH044314 U JP H044314U
Authority
JP
Japan
Prior art keywords
position sensor
low
notch filter
floated
frequency band
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
Application number
JP4317090U
Other languages
Japanese (ja)
Other versions
JP2522168Y2 (en
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 filed Critical
Priority to JP1990043170U priority Critical patent/JP2522168Y2/en
Publication of JPH044314U publication Critical patent/JPH044314U/ja
Application granted granted Critical
Publication of JP2522168Y2 publication Critical patent/JP2522168Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Control Of Position Or Direction (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図〜第４図は本考案の一実施例を示す図で
、第１図は構成を示すブロツク図、第２図はロー
パスノツチフイルタの回路構成を示す図、第３図
はローパスノツチフイルタの特性図、第４図はあ
る回転数での減衰特性図である。第５図〜第９図
は従来技術を説明するための図で、第５図は磁気
軸受の一例を示す図、第６図は従来の制御系の構
成を示すブロツク図、第７図は磁気軸受の減衰特
性図、第８図ａ，ｂ，ｃ，ｄ，ｅ，ｆ〜は回転体
と固有振動数とを示す図、第９図は回転数の変化
に対する回転体の固有振動数の関係を示す図であ
る。 １…回転体、２ａ，２ｂ…磁気軸受、３…位置
センサ、４…位置フイードバツクゲイン、５…制
御回路、６…電磁石、７…ローパスノツチフイル
タ、８…増幅素子群。 1 to 4 are diagrams showing one embodiment of the present invention, in which FIG. 1 is a block diagram showing the configuration, FIG. 2 is a diagram showing the circuit configuration of a low-pass notch filter, and FIG. 3 is a diagram showing the circuit configuration of a low-pass notch filter. FIG. 4 is a damping characteristic diagram at a certain rotation speed. Figures 5 to 9 are diagrams for explaining the prior art. Figure 5 is a diagram showing an example of a magnetic bearing, Figure 6 is a block diagram showing the configuration of a conventional control system, and Figure 7 is a diagram showing a magnetic bearing. Damping characteristic diagram of the bearing. Figure 8 a, b, c, d, e, f~ shows the rotating body and natural frequency. Figure 9 shows the relationship between the natural frequency of the rotating body and the change in rotation speed. FIG. DESCRIPTION OF SYMBOLS 1... Rotating body, 2a, 2b... Magnetic bearing, 3... Position sensor, 4... Position feedback gain, 5... Control circuit, 6... Electromagnet, 7... Low pass notch filter, 8... Amplifying element group.

Claims (1)

【実用新案登録請求の範囲】 回転体等を含む浮上保持対象物の浮上位置等を
位置センサで検出し、この位置センサで検出した
信号をフイードバツクしてＰＩＤ（比例、積分、
微分）や位相補償等の制御を行なつて磁力制御を
行ない、上記制御された磁力を用いて前記浮上保
持対象物を保持するようになされた磁気軸受制御
装置において、 低周波数帯域の制御特性を損なう事なしに中高
周波数帯域信号を阻止可能なローパスノツチフイ
ルタをフイードバツク系に設け、このローパスノ
ツチフイルタを通して前記位置センサからの信号
をフイードバツクするように構成したことを特徴
とする磁気軸受制御装置。[Claim for Utility Model Registration] A position sensor detects the floating position of an object to be floated and held, including a rotating body, etc., and the signal detected by this position sensor is fed back to perform PID (proportional, integral,
In a magnetic bearing control device that performs magnetic force control by performing control such as differentiation) and phase compensation, and holds the object to be floated and held using the controlled magnetic force, the control characteristics in the low frequency band are A magnetic bearing control device characterized in that a low-pass notch filter capable of blocking medium and high frequency band signals without damage is provided in the feedback system, and the signal from the position sensor is fed back through the low-pass notch filter.
JP1990043170U 1990-04-23 1990-04-23 Magnetic bearing control device Expired - Lifetime JP2522168Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990043170U JP2522168Y2 (en) 1990-04-23 1990-04-23 Magnetic bearing control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990043170U JP2522168Y2 (en) 1990-04-23 1990-04-23 Magnetic bearing control device

Publications (2)

Publication Number Publication Date
JPH044314U true JPH044314U (en) 1992-01-16
JP2522168Y2 JP2522168Y2 (en) 1997-01-08

Family

ID=31555357

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990043170U Expired - Lifetime JP2522168Y2 (en) 1990-04-23 1990-04-23 Magnetic bearing control device

Country Status (1)

Country Link
JP (1) JP2522168Y2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5738210U (en) * 1980-08-13 1982-03-01
JPS61206820A (en) * 1985-03-11 1986-09-13 Ntn Toyo Bearing Co Ltd Magnetic bearing control device
JPS6313918A (en) * 1986-07-07 1988-01-21 Seiko Seiki Co Ltd Attitude control device for rotating shaft of magnetic bearing type turbo-molecular pump

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5738210U (en) * 1980-08-13 1982-03-01
JPS61206820A (en) * 1985-03-11 1986-09-13 Ntn Toyo Bearing Co Ltd Magnetic bearing control device
JPS6313918A (en) * 1986-07-07 1988-01-21 Seiko Seiki Co Ltd Attitude control device for rotating shaft of magnetic bearing type turbo-molecular pump

Also Published As

Publication number Publication date
JP2522168Y2 (en) 1997-01-08

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term