JPH02122600U - - Google Patents
Info
- Publication number
- JPH02122600U JPH02122600U JP2997789U JP2997789U JPH02122600U JP H02122600 U JPH02122600 U JP H02122600U JP 2997789 U JP2997789 U JP 2997789U JP 2997789 U JP2997789 U JP 2997789U JP H02122600 U JPH02122600 U JP H02122600U
- Authority
- JP
- Japan
- Prior art keywords
- stepping motor
- excitation
- rotation angle
- rotor
- rotation
- 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 description 10
- 238000001514 detection method Methods 0.000 claims 5
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of Stepping Motors (AREA)
Description
第１図は実施例のステツピングモータの励磁装
置のブロツク図、第２図は実施例において利用さ
れるステツピングモータの分解斜視図、第３図は
そのステータの一部拡大図、第４図は実施例の制
御によるステツピングモータの回転速度と発生ト
ルクの説明図、第５図は従来のステツピングモー
タの励磁装置の構成説明図、を示している。
１０……励磁装置、２０……パルス信号選択部
、２０ａ……パルス信号選択回路、２０ｂ……第
１ＡＮＤ回路、２０ｃ……ＯＲ回路、２０ｄ……
第２ＡＮＤ回路、２０ｅ……Ｒ−Ｓフリツプフロ
ツプ、２０ｇ……第３ＡＮＤ回路、２０ｆ……Ｎ
ＯＴ回路、３０……ドライブ部、３０ｂ……ＮＯ
Ｔ回路、３０ａ，３０ｃ……フリツプフロツプ、
４０……ステツピングモータ、５０……磁気抵抗
素子。
Fig. 1 is a block diagram of the excitation device for the stepping motor of the embodiment, Fig. 2 is an exploded perspective view of the stepping motor used in the embodiment, Fig. 3 is a partially enlarged view of its stator, and Fig. 4. 5 is an explanatory diagram of the rotational speed and generated torque of the stepping motor under the control of the embodiment, and FIG. 5 is an explanatory diagram of the configuration of a conventional stepping motor excitation device. DESCRIPTION OF SYMBOLS 10... Excitation device, 20... Pulse signal selection part, 20a... Pulse signal selection circuit, 20b... First AND circuit, 20c... OR circuit, 20d...
2nd AND circuit, 20e...R-S flip-flop, 20g...3rd AND circuit, 20f...N
OT circuit, 30...drive section, 30b...NO
T circuit, 30a, 30c... flip-flop,
40...Stepping motor, 50...Magnetic resistance element.
Claims (1)
する回転角度検出手段と、 該回転角度検出手段の検出結果と前記ロータの
回転指令とに応じて前記ステツピングモータの励
磁相の励磁状態を切り替え、前記ロータの回転状
態を前記回転指令に一致させるべく制御する励磁
状態制御手段と、 を有するステツピングモータの励磁装置において
、 前記回転指令が所定値以上の高速回転であると
き、前記回転角度検出手段の検出結果のみにより
前記励磁相の励磁状態を切り替える高速回転制御
部を前記励磁状態制御手段に備える ことを特徴とするステツピングモータの励磁装置
。[Claims for Utility Model Registration] Rotation angle detection means for detecting the rotation angle of a rotor of a stepping motor; and an excitation phase of the stepping motor according to a detection result of the rotation angle detection means and a rotation command of the rotor. an excitation state control means for controlling the rotational state of the rotor to match the rotational command by switching the excitation state of the stepping motor, when the rotational command is a high-speed rotation of a predetermined value or higher; An excitation device for a stepping motor, characterized in that the excitation state control means includes a high-speed rotation control section that switches the excitation state of the excitation phase only based on the detection result of the rotation angle detection means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2997789U JPH02122600U (en) | 1989-03-16 | 1989-03-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2997789U JPH02122600U (en) | 1989-03-16 | 1989-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02122600U true JPH02122600U (en) | 1990-10-08 |
Family
ID=31254627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2997789U Pending JPH02122600U (en) | 1989-03-16 | 1989-03-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02122600U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5037985A (en) * | 1973-08-09 | 1975-04-09 |
-
1989
- 1989-03-16 JP JP2997789U patent/JPH02122600U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5037985A (en) * | 1973-08-09 | 1975-04-09 |
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