JPS59159700A - Drive control circuit for step motor - Google Patents
Drive control circuit for step motorInfo
- Publication number
- JPS59159700A JPS59159700A JP3378183A JP3378183A JPS59159700A JP S59159700 A JPS59159700 A JP S59159700A JP 3378183 A JP3378183 A JP 3378183A JP 3378183 A JP3378183 A JP 3378183A JP S59159700 A JPS59159700 A JP S59159700A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- drive
- step motor
- torque
- frequency
- 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
- 238000005259 measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000005284 excitation Effects 0.000 description 3
- 241000270708 Testudinidae Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P8/00—Arrangements for controlling dynamo-electric motors rotating step by step
- H02P8/34—Monitoring operation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Stepping Motors (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明０〕技術分野〕
本発明シエステップモータの回転周仮Ｖ、乞ｉ化させて
駆動する賜金に好適なステップモータ駆動１ｔｉｌｌ
ｊｉｊ１回路に関する。[Detailed description of the invention] [Invention 0] Technical field] The rotational circumference of the step motor of the present invention is V, and the step motor drive 1till is suitable for driving by reducing the rotational circumference.
Regarding the jij1 circuit.
ん門
〔〆／の技術的背景〕
ステップモータ駆動制御回路は位相をすらし動するもの
である。Technical Background of the Step Motor Drive Control Circuit The step motor drive control circuit moves by sliding the phase.
第１図に従来のステップモータ駆動方式のブロック図を
示す。駆動パルス発生回路１は各相励磁に応じて、位相
σ、）すれＬ同一周波数のパルス信号を生成し、駆動回
路２に送出す心。駆動回路２＆ユ入力されたパルス信号
と同一周波数によりステップモータ３に駆動車流を供給
する。FIG. 1 shows a block diagram of a conventional step motor drive system. The drive pulse generation circuit 1 generates pulse signals of the same frequency with the phase σ, ) in response to the excitation of each phase, and sends them to the drive circuit 2. A drive current is supplied to the step motor 3 at the same frequency as the pulse signal input to the drive circuit 2&u.
この駆動車流がステップモータ３のＦＪＪｍコイルに流
れ、ステップモータ３は回転し、この回転は負荷４に伝
達される。こｅ）時、ステップモータ３の励磁コイルに
流れる駆動電流量（工県荷４の最高回転時に必要とする
トルクにより決足される。This drive current flows to the FJJm coil of the step motor 3, the step motor 3 rotates, and this rotation is transmitted to the load 4. At this time e), the amount of drive current flowing through the excitation coil of the step motor 3 (the torque required at the maximum rotation of the load 4) is determined.
従来、ステップモータ３の動員コイルに流れる駆動電流
量に一定であり、負荷４の厳重回転時に必要とするトル
ク、′ｆなわち、ステップモ−タ３を最高周Ｖ数により
駆動するに必安な電流量により決定された。Conventionally, the amount of drive current flowing through the mobilization coil of the step motor 3 is constant, and the torque required when the load 4 is rotated strictly, 'f, that is, the amount of torque required to drive the step motor 3 at the highest rotational V number is essential. Determined by the amount of current.
第２図は一定σ〕駆動屯流量をステップセータ３の動員
コイルに施丁ことにより得られるステップセータ３の出
力トルクと駆動周波数との関係を示す図である。最高駆
動周波数ｆＭＡＸにより、Ｕ動された時のステップモー
タ３の出力トルク乞Ｔ ＭＡＸとすると、ｆ ＜ ｆ
ＭＡＸなる周波数ｆにおいて、Ｔ （Ｔ ＭＡＸなるス
テップモータ３の出力トルクがあれは、光分負荷４を駆
動することか可能である。しかし実際μ第２図に示すよ
５に周波数ｊにおいて、必要以上のトルクにより負荷２
４を駆動子なこととなるので、余剰トルクｔエモーク輔
、モーフ取り付は部、伝達糸およびＱ （ｉｉＪ’ ４
の倣動として消費され、騒音り、ン増太、振動に起因す
る回転精度の低下乞引き起こし、’＋を力が無駄に７ｆ
ｊ費されるという問題があつ１こ。FIG. 2 is a diagram showing the relationship between the output torque of the step sweater 3 and the drive frequency obtained by applying a constant σ driving force flow rate to the mobilized coil of the step sweater 3. If the output torque of the step motor 3 when the motor is moved by the maximum drive frequency fMAX is TMAX, then f < f
At a frequency f of MAX, it is possible to drive an optical load 4 with an output torque of the step motor 3 of T Due to the above torque, load 2
Since 4 is the drive element, the excess torque t emoke, the morph attachment part, transmission thread and Q (iiJ' 4
7f is wasted as the following movement is consumed, causing noise, increase in thickness, and a decrease in rotational accuracy due to vibration.
There is one problem with the cost.
〔発明のｉ−１問〕
／Ｐ、発明σ）目的ｉユ低騒音で正確な回転をし、かつ
消賀′喝力に無駄のないステップモーフ駆動制（財）回
路を提供することにある。[Invention Question I-1] /P, Invention σ) Purpose: To provide a step morph drive control circuit that rotates accurately with low noise and has no wasted excitation force. .
本発明の上記目的は、ステップモータの出力トルクがス
テップモータの負荷に必要なトルクとほぼ等しくなるよ
うに、駆動周波数に応じてステップモータに供給する駆
動電流ｋＶえることにより達成することができる。The above object of the present invention can be achieved by varying the drive current kV supplied to the step motor according to the drive frequency so that the output torque of the step motor is approximately equal to the torque required for the load of the step motor.
〔発明０）実施例〕
以下、本発明を本発明の実施例に基づいて詳細に説明す
る。[Invention 0) Examples] Hereinafter, the present invention will be described in detail based on Examples of the present invention.
第３図ｔ′Ｌ本発明の一実施例を示すブロック図である
。駆動パルスな生成する駆動パルス発生回路１１より位
相のすれＴ９同一周波数のパル１１ｇ号が駆動回路１２
と周波数−電圧変換回路１３とに送出される。周Ｖ数−
電圧変換回路１３は一定期間内に入力されたパルス信号
の合計電圧値を電圧情報として出力ｊることによりバル
タイ百号の周波数情報を電圧情報に変換″′ｆる。丁な
わち、高周波パルス信号を工高′電圧信号に、低周波パ
ルス信号１工低奄圧信号に変換され、この電圧信号は電
流供給回路１４に送出される。電流供給回路１４は入力
された電圧信号の電圧値に応じた電匠値の駆動電流を、
すなわち高電圧信号であれは人“Ｋｍを、低電圧信号で
あれは小電皿を１１タヘ動回路１２に供給する。駆動回
路１２に駆動パルス発生回＠ｌｌかも入力され定パルス
１ｇ号と同じ周波数により、電流供給回路Ｊ４がらの駆
動車流をステップモータ３に供給する。FIG. 3 is a block diagram showing an embodiment of the present invention. The drive pulse generation circuit 11 generates a drive pulse, and the pulse No. 11g of the same frequency T9 is output from the drive circuit 12.
and the frequency-voltage conversion circuit 13. Lap V number -
The voltage conversion circuit 13 outputs the total voltage value of the pulse signals input within a certain period of time as voltage information, thereby converting the frequency information of Valtai No. 100 into voltage information. In other words, the high frequency pulse signal is converted into a high-voltage signal and a low-frequency pulse signal into a low-voltage signal, and this voltage signal is sent to the current supply circuit 14.The current supply circuit 14 responds to the voltage value of the input voltage signal. The driving current of electric value is
That is, if it is a high voltage signal, a person "Km" is supplied, and if it is a low voltage signal, a small electrical plate is supplied to the drive circuit 12.The drive pulse generation time @ll is also input to the drive circuit 12, and it is the same as the constant pulse number 1g. Depending on the frequency, the drive current from the current supply circuit J4 is supplied to the step motor 3.
１、Ｃお、本実施例でＩｔ′１ｒｉｆ変電派供給手役（
１）＾ｊ波波数−電圧変目回路１３電流供給回路１４と
により悔成される。1. C. In this embodiment, It'1rif substation supplier (
1) It is realized by the wave number-voltage change circuit 13 and the current supply circuit 14.
このように駆動パルス発生回路１１の出力パルスの周波
数、丁１よりち駆動周波数に応じて、電流供給回路１４
シユ駆動回路１２を介しステップモータ３に駆動電流を
供給する。In this way, the frequency of the output pulse of the drive pulse generation circuit 11 is determined by the current supply circuit 14 according to the drive frequency.
A drive current is supplied to the step motor 3 via the shuttle drive circuit 12.
第４図ｔユ駆動周波数と駆動ａ流との曲株乞示すグラフ
である。ステップセータ３に接続される負荷４が必要と
する最高駆動周波数をｆｕ人Ｘとし、最高駆動周波数ｆ
ＭＡＸによりステツブモータ３ケ脇！Ｉ！ＩＩするに
必要な駆動電流をｌ ＭＡＸとする。ｆくｆＭｋＸなる
周波数ｆにおいて、■くＩ ＭＡＸなる駆動電流Ｉをス
テップモータ３に供給することにより、得られろステッ
プモータ３の出力トルクＴが負荷４に必要なトルクとほ
ぼ等しくなるように駆動電流を制御する。FIG. 4 is a graph showing the relationship between the driving frequency and the driving flow. Let the maximum driving frequency required by the load 4 connected to the step sweater 3 be fu person X, and the maximum driving frequency f
MAX allows 3 step motors to be installed! I! Let the drive current required for II be lMAX. By supplying a drive current I of I MAX to the step motor 3 at a frequency f of f MkX, the output torque T of the step motor 3 is driven to be approximately equal to the torque required for the load 4. Control the current.
丁なわち、駆動周波数と駆動電流との関係が第４図に示
す曲線Ａのようになるよう電流供給回路１．４＆）駆動
回路１２を介しステップセータに駆動電流を供給子ゐ。That is, a drive current is supplied to the step sweater through the drive circuit 12 so that the relationship between drive frequency and drive current is as shown by curve A shown in FIG.
このために、周波数−電圧変換回路１３における周波数
−電圧変挾持性と電流供給回路１４における電圧−電流
変換特性との粘合特性が第４図の曲線Ａにより示される
特性となるよう各特性の設定が行なわれる。For this purpose, each characteristic is adjusted so that the frequency-voltage conversion characteristic in the frequency-voltage conversion circuit 13 and the voltage-current conversion characteristic in the current supply circuit 14 become the characteristic shown by curve A in FIG. Settings are made.
本実施例によれば、駆動周波数に応じ定駆動電流ヲパル
スモータに供給することにより、ステップモータ３の負
荷４に対する余剰トルクを少な（することができる。According to this embodiment, by supplying a constant drive current to the pulse motor in accordance with the drive frequency, the surplus torque of the step motor 3 to the load 4 can be reduced.
さらに、一般に周波数゛耐報を電流情報、特に太屯流情
報に変換″ｆるの（工困難であるが、本実施例では周波
数情報を電圧情報に変換し、この祇圧情特に基づいて、
ステップモータ３に駆動屯びＩＬをθＩＬシているので
、ステップモータ３を駆動するσ）に大容量の（バ勤′
亀防りを必要とする時も’ｎＬ圧゛１１￥蛾に一旦変侠
１−ることにより、容易に太ネ問ぜの駆動電光ケ付るこ
とかできる。Furthermore, in general, it is difficult to convert the frequency information into current information, especially the current information (although it is difficult to do so, in this embodiment, the frequency information is converted into voltage information, and based on this current information,
Since the step motor 3 is driven by IL and θIL, the large capacity (σ) that drives the step motor 3 is
Even when you need to prevent tortoise, you can easily install a large number of driving lights by changing the pressure to 11.
〔発明θ〕効果〕
本光明によれは、余剰トルりの少ないステップモータσ
）ｉｂ力トルクを得ることができ、余乗〕トルクに起因
″５−る馳首、回転積度の低下、消費屯力馨オ６さえろ
ことかできる。[Invention θ] Effect] According to the present invention, the step motor σ with less excess torque
) ib force torque can be obtained, and due to the cofactor] torque, it is possible to cause a decrease in rotational load, and an increase in consumption force.
４、１７８１面の１ンＴＩ ’ｉ’ ７．ｒ、説明第１
１ＺＩ）’を従来のステンプモータ駆動制到回ＩＹヶ説
甲」丁Φ定めの図、第２図Ｖエステツブモークの出力ト
ルクと駆動脚Ｕ数との関係を示す図、第３図に本旬明の
一実施例を示す図、＠−４４図に駆動電流と駆動周波数
との関係を示す図であΦ。4, 1781 page 1 TI 'i' 7. r, explanation 1st
Figure 1 is a diagram showing the relationship between the output torque and the number of drive legs U of the V-estimator, and Figure 3 is a diagram showing the relationship between the output torque and the number of driving legs U. A diagram showing one embodiment of the present invention, Figure @-44, is a diagram showing the relationship between drive current and drive frequency.
１１・・・・駆動パルス発生回路、１２拳・・・ＩＩＡ
動回路、１３・・・・周波叡−眼圧変換回路、１４・・
・・電流供給回路、３・・・・ステップモータ、４・・
・・負荷11...Drive pulse generation circuit, 12 fist...IIA
Dynamic circuit, 13... Frequency-intraocular pressure conversion circuit, 14...
...Current supply circuit, 3...Step motor, 4...
··load
Claims (1)
スの周波数に応じて供給電流量を設定する可変電流供給
手段と、この可変電ｆｉｔ供給手段から供給される駆動
車流を前記出力パルスの周波数に基づいてステップモー
タに供給−ｆる駆動回路とを具備し、前記ステップモー
タの出力トルクがステップモータの負向に必要なトルク
とほぼ等しくなるようにステップモータを駆動すること
を特徴とするステップモータ駆動測値回路。a drive pulse generation section; a variable current supply means for setting the amount of supplied current according to the frequency of the output pulse of the drive pulse generation section; and a drive circuit that supplies the step motor based on the drive circuit, and drives the step motor so that the output torque of the step motor is approximately equal to the torque required for the negative direction of the step motor. Drive measurement circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3378183A JPS59159700A (en) | 1983-03-03 | 1983-03-03 | Drive control circuit for step motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3378183A JPS59159700A (en) | 1983-03-03 | 1983-03-03 | Drive control circuit for step motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59159700A true JPS59159700A (en) | 1984-09-10 |
Family
ID=12396001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3378183A Pending JPS59159700A (en) | 1983-03-03 | 1983-03-03 | Drive control circuit for step motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59159700A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61142996A (en) * | 1984-12-12 | 1986-06-30 | Canon Inc | Stepping motor controller |
| JPS61114998U (en) * | 1984-12-25 | 1986-07-21 | ||
| JPS61196797A (en) * | 1985-02-21 | 1986-08-30 | Canon Inc | Stepping motor drive controller |
| EP0220814A2 (en) * | 1985-09-03 | 1987-05-06 | Dana Corporation | Means and method for stepping motor stabilization |
| JPH05130799A (en) * | 1991-10-31 | 1993-05-25 | Nec Gumma Ltd | Driver for stepping motor |
| US6232758B1 (en) | 1998-08-03 | 2001-05-15 | Denso Corporation | Load drive control apparatus |
-
1983
- 1983-03-03 JP JP3378183A patent/JPS59159700A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61142996A (en) * | 1984-12-12 | 1986-06-30 | Canon Inc | Stepping motor controller |
| JPS61114998U (en) * | 1984-12-25 | 1986-07-21 | ||
| JPH0317596Y2 (en) * | 1984-12-25 | 1991-04-12 | ||
| JPS61196797A (en) * | 1985-02-21 | 1986-08-30 | Canon Inc | Stepping motor drive controller |
| EP0220814A2 (en) * | 1985-09-03 | 1987-05-06 | Dana Corporation | Means and method for stepping motor stabilization |
| JPH05130799A (en) * | 1991-10-31 | 1993-05-25 | Nec Gumma Ltd | Driver for stepping motor |
| US6232758B1 (en) | 1998-08-03 | 2001-05-15 | Denso Corporation | Load drive control apparatus |
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