JPS6333024U - - Google Patents
Info
- Publication number
- JPS6333024U JPS6333024U JP12585986U JP12585986U JPS6333024U JP S6333024 U JPS6333024 U JP S6333024U JP 12585986 U JP12585986 U JP 12585986U JP 12585986 U JP12585986 U JP 12585986U JP S6333024 U JPS6333024 U JP S6333024U
- Authority
- JP
- Japan
- Prior art keywords
- load
- signal
- magnetic bearing
- orthogonal
- calculates
- 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
- 238000001514 detection method Methods 0.000 claims 5
- 230000005284 excitation Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Description
第1図aは本案実施例全体の概略構成を示す側
面図、第1図bは関係位置を示す側面図である。
第2図は検出電流信号とギヤツプ信号から各軸受
の軸受分力を得るための第1の演算器のブロツク
図、第3図は第1の演算器の信号を合成して力の
大きさと方向を得る第2の演算器のブロツク図、
第4図は異なる実施例における第2の演算器のブ
ロツク図である。
1……ロータ、2……工具、3―1X……電磁
石、3―1Y……電磁石、3―2X……電磁石、
3―2Y……電磁石、3―3X……電磁石、3―
3Y……電磁石、3―4X……電磁石、3―4Y
……電磁石、4―1X……ギヤツプセンサ、4―
1Y……ギヤツプセンサ、4―2X……ギヤツプ
センサ、4―2Y……ギヤツプセンサ、6―1…
…磁気軸受制御器、6―2……磁気軸受制御器、
7,15……加算器、8,11,13―1,13
―2……減算器、9―1,9―2,17……除算
器、10―1……乗算器、10―2……乗算器、
14―1……乗算器、14―2……乗算器、19
……乗算器、16……演算器、18……tan−
1演算器、20……係数器、21……係数乗算器
。
FIG. 1a is a side view showing a schematic configuration of the entire embodiment of the present invention, and FIG. 1b is a side view showing related positions.
Figure 2 is a block diagram of the first computing unit that obtains the bearing component force of each bearing from the detected current signal and gap signal, and Figure 3 is a block diagram of the first computing unit that synthesizes the signals of the first computing unit to determine the magnitude and direction of the force. A block diagram of the second arithmetic unit that obtains
FIG. 4 is a block diagram of the second arithmetic unit in a different embodiment. 1... Rotor, 2... Tool, 3-1X... Electromagnet, 3-1Y... Electromagnet, 3-2X... Electromagnet,
3-2Y...Electromagnet, 3-3X...Electromagnet, 3-
3Y...Electromagnet, 3-4X...Electromagnet, 3-4Y
...Electromagnet, 4-1X...Gap sensor, 4-
1Y...Gap sensor, 4-2X...Gap sensor, 4-2Y...Gap sensor, 6-1...
...Magnetic bearing controller, 6-2...Magnetic bearing controller,
7, 15...Adder, 8, 11, 13-1, 13
-2... Subtractor, 9-1, 9-2, 17... Divider, 10-1... Multiplier, 10-2... Multiplier,
14-1... Multiplier, 14-2... Multiplier, 19
... Multiplier, 16 ... Arithmetic unit, 18 ... tan −
1 arithmetic unit, 20... coefficient unit, 21... coefficient multiplier.
Claims (1)
荷側に配し、負荷側軸端部に加工工具等の負荷を
装備し、ロータとステータとのギヤツプをギヤツ
プセンサによつて検出し、その検出信号によつて
前記電磁石を制御してロータを空中支持する磁気
軸受モータにおいて、前記電磁石の励磁電流信号
とギヤツプセンサの出力信号から各軸受の直交す
る吸引力信号を演算する第1の演算器と、前記直
交する吸引力信号から負荷荷重を演算し、ベクト
ルを演算する第2の演算器とを具備したことを特
徴とする磁気軸受モータの負荷荷重検出装置。 (2) 前記第1の演算器は、負荷側及び反負荷側
電磁石の励磁電流信号と各々のギヤツプセンサの
出力信号から直交する吸引力信号を演算すること
を特徴とする実用新案登録請求の範囲第1項記載
の磁気軸受モータの負荷荷重検出装置。 (3) 前記第2の演算器は、負荷側および反負荷
側吸引力信号より負荷荷重をベクトル演算するこ
とを特徴とする実用新案登録請求の範囲第2項記
載の磁気軸受モータの負荷荷重検出装置。 (4) 前記第2の演算器は、負荷側軸受もしくは
反負荷側吸引力信号のみより負荷荷重をベクトル
演算することを特徴とする実用新案登録請求の範
囲第2項記載の磁気軸受モータの負荷荷重検出装
置。[Claims for Utility Model Registration] (1) Two sets of electromagnets orthogonal to each other are arranged on the load side and anti-load side, and a load such as a processing tool is installed at the end of the shaft on the load side, and the rotor and stator are connected. In a magnetic bearing motor in which a gap is detected by a gap sensor and the electromagnet is controlled by the detection signal to support the rotor in the air, the orthogonal attraction force of each bearing is determined from the excitation current signal of the electromagnet and the output signal of the gap sensor. A load detection device for a magnetic bearing motor, comprising: a first calculator that calculates a signal; and a second calculator that calculates a load from the orthogonal attraction force signals and calculates a vector. . (2) The first calculating unit calculates an attractive force signal orthogonal to the excitation current signals of the load-side and anti-load-side electromagnets and the output signals of the respective gap sensors. A load detection device for a magnetic bearing motor according to item 1. (3) Load detection of a magnetic bearing motor according to claim 2, wherein the second computing unit performs vector calculation of the load based on the load side and counter-load side attraction force signals. Device. (4) The load of the magnetic bearing motor according to claim 2, wherein the second calculating unit performs vector calculation of the load based only on the load side bearing or the counter-load side attraction force signal. Load detection device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12585986U JPH047379Y2 (en) | 1986-08-20 | 1986-08-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12585986U JPH047379Y2 (en) | 1986-08-20 | 1986-08-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6333024U true JPS6333024U (en) | 1988-03-03 |
JPH047379Y2 JPH047379Y2 (en) | 1992-02-27 |
Family
ID=31019124
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12585986U Expired JPH047379Y2 (en) | 1986-08-20 | 1986-08-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH047379Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013068309A (en) * | 2011-09-26 | 2013-04-18 | Daikin Industries Ltd | Magnetic bearing and compressor using the same |
-
1986
- 1986-08-20 JP JP12585986U patent/JPH047379Y2/ja not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013068309A (en) * | 2011-09-26 | 2013-04-18 | Daikin Industries Ltd | Magnetic bearing and compressor using the same |
Also Published As
Publication number | Publication date |
---|---|
JPH047379Y2 (en) | 1992-02-27 |
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