JPH0186495U - - Google Patents
Info
- Publication number
- JPH0186495U JPH0186495U JP1987182482U JP18248287U JPH0186495U JP H0186495 U JPH0186495 U JP H0186495U JP 1987182482 U JP1987182482 U JP 1987182482U JP 18248287 U JP18248287 U JP 18248287U JP H0186495 U JPH0186495 U JP H0186495U
- Authority
- JP
- Japan
- Prior art keywords
- magnetoelectric
- motor
- current
- conversion element
- permanent magnets
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 230000004907 flux Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Description
第１図は、この考案の一実施例によるモータ駆
動装置の構成図、第２図は、従来のモータ駆動装
置の構成図である。図中、１は２相モータ、２は
磁電変換素子、３はバイアス回路、４はバツフア
アンプ、５は乗算器、６は電流指令信号、７は電
流増幅器、８は巻線、９は磁電変換素子制御回路
である。尚、図中、同一あるいは相当部分には同
一符号を付してある。
FIG. 1 is a block diagram of a motor drive device according to an embodiment of this invention, and FIG. 2 is a block diagram of a conventional motor drive device. In the figure, 1 is a two-phase motor, 2 is a magnetoelectric conversion element, 3 is a bias circuit, 4 is a buffer amplifier, 5 is a multiplier, 6 is a current command signal, 7 is a current amplifier, 8 is a winding, and 9 is a magnetoelectric conversion element It is a control circuit. In the drawings, the same or corresponding parts are denoted by the same reference numerals.
Claims (1)
部に設けられ、上記永久磁石の磁束密度を検出す
る複数の磁電変換素子と、上記磁電変換素子の出
力信号を処理するバツフアアンプと、上記モータ
の巻線に電流を供給する電流増幅器からなるモー
タ駆動装置において、巻線に供給する電流が磁電
変換素子に供給する電流に比例するようにした磁
電変換素子制御回路を備えたことを特徴とするモ
ータ駆動装置。 A plurality of magnetoelectric transducers provided inside a motor having a plurality of permanent magnets and a plurality of windings to detect the magnetic flux density of the permanent magnets, a buffer amplifier for processing an output signal of the magnetoelectric transducer, and a winding of the motor. A motor drive device comprising a current amplifier that supplies current to a wire, characterized in that it is equipped with a magnetoelectric conversion element control circuit that makes the current supplied to the winding proportional to the current supplied to the magnetoelectric conversion element. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987182482U JPH0186495U (en) | 1987-11-30 | 1987-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987182482U JPH0186495U (en) | 1987-11-30 | 1987-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0186495U true JPH0186495U (en) | 1989-06-08 |
Family
ID=31473930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987182482U Pending JPH0186495U (en) | 1987-11-30 | 1987-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0186495U (en) |
-
1987
- 1987-11-30 JP JP1987182482U patent/JPH0186495U/ja active Pending
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