JPS6248198U - - Google Patents
Info
- Publication number
- JPS6248198U JPS6248198U JP12807385U JP12807385U JPS6248198U JP S6248198 U JPS6248198 U JP S6248198U JP 12807385 U JP12807385 U JP 12807385U JP 12807385 U JP12807385 U JP 12807385U JP S6248198 U JPS6248198 U JP S6248198U
- Authority
- JP
- Japan
- Prior art keywords
- multipliers
- motor drive
- pulse motor
- drive circuit
- armature coils
- 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
- 230000005284 excitation Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Stepping Motors (AREA)
Description
第１図〜第３図は本考案のパルスモータ駆動回
路の一実施例を示す構成図、第４図は従来のパル
スモータ駆動回路の一例を示す構成図である。
１……パルスモータ、２……エンコーダ、３…
…角度演算回路、４……関数発生回路、５，６…
…掛算器、７，８……電力増幅器、９，１０……
位相進み回路、１１……増幅器。
1 to 3 are block diagrams showing an embodiment of the pulse motor drive circuit of the present invention, and FIG. 4 is a block diagram showing an example of a conventional pulse motor drive circuit. 1...Pulse motor, 2...Encoder, 3...
...Angle calculation circuit, 4...Function generation circuit, 5, 6...
... Multiplier, 7, 8... Power amplifier, 9, 10...
Phase lead circuit, 11...amplifier.
Claims (1)
正弦波状の励磁電流を供給してトルクむらをなく
すように構成したパルスモータ駆動回路において
、一定の位相関係を有ししかもその合成電流の位
相が回転子の機械角に対して常に一定の位相差を
有するような複数の正弦波信号を発生する関数発
生回路と、発生トルクの値を指令する制御信号の
大きさに応じて前記複数の正弦波信号の振幅をそ
れぞれ変化させる複数の掛算器と、これらの掛算
器の出力を受けこれに比例した励磁電流を前記複
数の電機子コイルにそれぞれ供給する複数の電力
増幅器と、これら電力増幅器の前段にそれぞれ挿
入された複数の位相進み回路とを具備してなるパ
ルスモータ駆動回路。 In a pulse motor drive circuit configured to eliminate torque unevenness by supplying sinusoidal excitation currents with different phases to multiple armature coils, there is a constant phase relationship, and the phase of the combined current is the same as that of the rotor. a function generating circuit that generates a plurality of sine wave signals that always have a constant phase difference with respect to a mechanical angle; a plurality of multipliers that respectively vary the amplitude; a plurality of power amplifiers that receive the outputs of these multipliers and supply excitation currents proportional to the multipliers to the plurality of armature coils; A pulse motor drive circuit comprising a plurality of phase advance circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12807385U JPS6248198U (en) | 1985-08-22 | 1985-08-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12807385U JPS6248198U (en) | 1985-08-22 | 1985-08-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6248198U true JPS6248198U (en) | 1987-03-25 |
Family
ID=31023410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12807385U Pending JPS6248198U (en) | 1985-08-22 | 1985-08-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6248198U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63314194A (en) * | 1987-06-16 | 1988-12-22 | Mitsubishi Electric Corp | Torque controller for synchronous motor |
| JPH01227681A (en) * | 1988-03-05 | 1989-09-11 | Fuji Electric Co Ltd | Variable speed controller for induction motor |
| WO2009001686A1 (en) * | 2007-06-27 | 2008-12-31 | Meidensha Corporation | Pseudo current type 120-degree conduction inverter |
-
1985
- 1985-08-22 JP JP12807385U patent/JPS6248198U/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63314194A (en) * | 1987-06-16 | 1988-12-22 | Mitsubishi Electric Corp | Torque controller for synchronous motor |
| JPH01227681A (en) * | 1988-03-05 | 1989-09-11 | Fuji Electric Co Ltd | Variable speed controller for induction motor |
| WO2009001686A1 (en) * | 2007-06-27 | 2008-12-31 | Meidensha Corporation | Pseudo current type 120-degree conduction inverter |
| JPWO2009001686A1 (en) * | 2007-06-27 | 2010-08-26 | 株式会社明電舎 | Pseudo current type 120 degree conduction inverter |
| US8232759B2 (en) | 2007-06-27 | 2012-07-31 | Meidensha Corporation | Pseudo current type 120-degree conduction inverter |
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