JPS58127599A - Speed setter for variable speed motor group - Google Patents
Speed setter for variable speed motor groupInfo
- Publication number
- JPS58127599A JPS58127599A JP57006549A JP654982A JPS58127599A JP S58127599 A JPS58127599 A JP S58127599A JP 57006549 A JP57006549 A JP 57006549A JP 654982 A JP654982 A JP 654982A JP S58127599 A JPS58127599 A JP S58127599A
- Authority
- JP
- Japan
- Prior art keywords
- speed
- motor
- setting
- value
- 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.)
- Granted
Links
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
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/46—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another
- H02P5/50—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another by comparing electrical values representing the speeds
- H02P5/51—Direct ratio control
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Multiple Motors (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は複数の同期電動機を設定速度比を持って運転す
る可変速電動機群の速度設定装置に関する・
紡糸機の制御系統は、第１図に示すように、溶融装置に
より液化した材料をギヤポンプ１により送り出し、冷却
部で固化した繊維をゴデツトロール＜延伸ロール）２，
３及びフリクション４を通してトラバース５による巻覗
りがなされる。これら各部の駆動源として夫々同期電動
機（トラバースは誘導電動機にされることもある）群が
用意さね１、緯絣に不安な張力が加わらないよう各電動
機の速度比が設定される。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a speed setting device for a group of variable speed motors that operate a plurality of synchronous motors at a set speed ratio.The control system of a spinning machine includes a melting device and a control system, as shown in FIG. The liquefied material is sent out by a gear pump 1, and the solidified fibers are transferred to a godet roll (drawing roll) 2,
3 and friction 4, a traverse 5 performs winding inspection. A group of synchronous motors (induction motors may be used for the traverse) is prepared as the drive source for each of these parts, and the speed ratio of each motor is set so as not to apply uneasy tension to the weft kasuri.
このような可変速電動機の群制御において、各部の速度
設定はマスターとなる同期電動機のギヤ比等を考綱して
その他のスレーブ側同期電動機の電源となるインバータ
周波数を設定する。この速度設定の従来技術は、第２図
に示す構成にされる。In such group control of variable speed motors, the speed of each part is set by taking into account the gear ratio of the master synchronous motor and setting the frequency of the inverter that serves as the power source for the other slave synchronous motors. The prior art for this speed setting has a configuration shown in FIG.
商用電源６を電源として各部負荷駆動用電動機７゜８、
．１ｎＶｃインバータ９ 、１０１ 、１０ｎが設けら
れ、マスターとなるギヤポンプ駆動用同期電動！１！１
はその回転数がタコ・ジェネレータ１１で検出され、こ
の検出信号が周波数−電圧変換器１２に電圧信号として
噴出され、ゴデツトロール、トラバース等の他のスレー
ブ側装置駆動用電動１１８＋＊＃”のインバータｆ０１
、１Ｏｎ の出力周波数設定用ボテン７”ｉ！メータ
１３１，１３！ｌの入力電圧が周波数−電圧変換器１２
の出力にされる。A motor 7゜8 for driving various loads using a commercial power source 6 as a power source,
．． 1nVc inverters 9, 101, and 10n are provided to drive the master gear pump synchronous electric! 1!1
The rotation speed is detected by the tacho generator 11, and this detection signal is ejected as a voltage signal to the frequency-voltage converter 12, which inverts the inverter f01 of the electric motor 118+*#'' for driving other slave side devices such as godet roll and traverse.
, 1On, the input voltage of the output frequency setting button 7"i! meter 131, 13!l is the frequency-voltage converter 12.
output.
この構成において、電動機ｒの回転数ＮＫ灯する電動機
＃１ｊｎの速度比はボテンクＳメータ１３１゜１３ｎに
よって設定され、電動機１の回転速度實動に対してイン
バータＩＯ！、１０ｍの設定周波数も自動調整される。In this configuration, the speed ratio of the motor #1jn to the rotational speed NK of the motor r is set by the Botenk S meter 131°13n, and the inverter IO! , 10m set frequency is also automatically adjusted.
しかし、周波数設定器としてボテン７！！メータを使用
するため、その手動設定に高精度の速度比を得るのを離
しくするし、マスク側電動機の速度変動量に対するイン
バータ周波ｅｙ設定値変化量を一定比にするための関数
変換器を８狭とする間覇があった。However, as a frequency setting device, Boten 7! ! Since a meter is used, it is difficult to obtain a highly accurate speed ratio during manual setting, and a function converter is required to make the inverter frequency ey setting value change a constant ratio with respect to the speed fluctuation of the mask side motor. There was a victory in 8 narrows.
本発明は、マスタ側電動機及びスレーブ側電動機を夫々
インバータによって可変速運転し、マスク側電動機の速
度に対応してスレーブ１ＩＩＩｉＩＬ動機を相定の速度
比を持って運転する群制御において、マスク側電動機の
インバータを周波数設定するときに、該周波数設定値に
対するスレーブ側電動機の速度比を乗算した値に補正定
数値を加算してスレーブ側電動機の設定速度としてイン
バータ周波数を設定することにより、マイ、クロコンピ
ユータ等を使った自動的速度設定を可能にしてしかも精
瞼良い速度設定を容易にし腎ｊ度設定装置を提供するこ
とを目的とする。The present invention provides a method for controlling the mask side electric motor in group control in which the master side electric motor and the slave side electric motor are respectively operated at variable speeds using inverters, and the slave 1IIIiIL motor is operated at a fixed speed ratio in accordance with the speed of the mask side electric motor. When setting the frequency of the inverter, the inverter frequency can be set as the set speed of the slave motor by adding a correction constant value to the value obtained by multiplying the frequency setting value by the speed ratio of the slave motor. To provide a renal level setting device which enables automatic speed setting using a computer or the like and facilitates accurate speed setting.
第３図は本発明の一実施例を示し、紡糸機における可変
速電動機の群制御に適用した場合である。FIG. 3 shows an embodiment of the present invention, which is applied to group control of a variable speed electric motor in a spinning machine.
速度設定演算回路としてはマイクロコンピュータ１４が
使用される。マイクロコンピュータ１４は出力インター
フェースとしてインバータ９．１０１ 、Ｉｋの周波数
設定アナログ信号を与えるディジタル−アナログ変換器
「を有し、速度設定演算プログラムをＲＯＭ ｕに、演
算データをＲＡＭ １７に格納し、ＣＰＵ１８による速
度設定のための演算を行なう。A microcomputer 14 is used as the speed setting calculation circuit. The microcomputer 14 has an inverter 9.101 as an output interface and a digital-to-analog converter that provides a frequency setting analog signal of Ik, stores the speed setting calculation program in ROM u, the calculation data in RAM 17, and stores the speed setting calculation program in ROM u and the calculation data in RAM 17. Perform calculations for speed setting.
ここで、０ＰＵ１ｊｊにより演算する設定周波＃ｆは、
ｆ臆ムｘｆ、＋Ｂ
から求められ、ム、Ｂは定数でｆ、はマスタ側電動機１
のインバータ周波数設定値である。定較Ａ。Here, the setting frequency #f calculated by 0PU1jj is
f is determined from xf, +B, where B and B are constants, and f is the master side electric motor 1
is the inverter frequency setting value. Calibration A.
Ｂ ＃′ｉＲＡＭ １７に予め記憶され、定数ムは電動
→２に対する電動＄１！Ｊｔ＋、Ｊｌｎの回転速度比と
して与えられ、定数Ｂは定数ムによる演算結果の補正＋
ｉＩ！！’、とじて与えられる。このうち、定数Ｂは周
波ｅｆｏの関数と考え変化幅ｆｅ冨。B #'IRAM 17 stores this in advance, and the constant value is electric $1 for electric → 2! It is given as the rotational speed ratio of Jt+ and Jln, and the constant B is the correction of the calculation result by the constant M+
iI! ! ', given as a closing. Among these, the constant B is considered to be a function of the frequency efo and has a variation width fe.
ｆＩｎ諺ｆ、−Δｆｎ
に対応づけてｎ個のデータ９ｎｖｘ ７３．−ΔＢｎと
して個々に与えられる。また、周波数設定値ｆ６はデイ
ジタルスイッチにより設定されマイクロコンピュータ１
４に［嘔られる。n pieces of data 9nvx in association with fIn proverb f, -Δfn 73. −ΔBn, respectively. Further, the frequency setting value f6 is set by a digital switch and is controlled by the microcomputer 1.
4 [vomited]
従って、本発明によれば、マスク側電動機７の速度設定
に対応するスレーブ側電動機１１．Ｊｉｎの速！Ｊ′設
定をするのに、マスク側電動機１の速度設定を施すこと
で速度設定回路による自動設定がなされて操作上の誤差
が無くなるし、補正項Ｂを設けることにより定数ムの乗
算は全インバータの共西処理で済みＢ項の加減算の処理
のみで精度良い周波数設定を高速演算できる。また、マ
スク側電＠機の速度も速変設定演算回路側で設定するた
め、マスク電動機を任意の他の電動機とする変艶を容易
にするし、マスタ電動機の回転数検出や周波数電圧変換
器等の計器類を不要にしてそれらが含む計器誤差も無く
すことができる。Therefore, according to the present invention, the slave side electric motor 11 .corresponds to the speed setting of the mask side electric motor 7 . Jin's speed! When setting J', by setting the speed of the mask side electric motor 1, automatic setting is performed by the speed setting circuit, eliminating operational errors, and by providing the correction term B, the multiplication of the constant M can be done by all inverters. It is possible to perform accurate frequency setting at high speed by only adding and subtracting the B term. In addition, since the speed of the mask side electric @ machine is also set on the speed change setting calculation circuit side, it is easy to change the mask motor to any other motor, and it is also possible to detect the rotation speed of the master motor and use the frequency/voltage converter. It is possible to eliminate the need for such instruments and eliminate the instrument errors they contain.
第１図は紡糸機の電動機制鉤を説明するための図、第２
図は従来の速度設定装置を示す要部構成図、第３図は本
発明の一実施例を示す構成図である。Figure 1 is a diagram to explain the electric motor lock of a spinning machine, Figure 2
This figure is a block diagram of main parts of a conventional speed setting device, and FIG. 3 is a block diagram showing an embodiment of the present invention.
７・・・マスク側同期電動機、８Ｈ，Ｓｎ・・・スレー
ブ側同期電動機、９ 、１０１ 、Ｉｎｎ・・・インバ
ータ、１４・マイクロコンピュータ。7...Mask side synchronous motor, 8H, Sn...Slave side synchronous motor, 9, 101, Inn...Inverter, 14. Microcomputer.
Claims (1)
て所定の速度比を持ってスレーブ側電動機をインバータ
によって運転する可変速電動機の群制御において、上記
マスク同期電動機のインバータ周波数設定値ｆ＠に上記
スレーブ側電動機に定める定数ムを乗算した値に補正値
Ｂを加算して該スレーブ側電動機のインバータ出力周波
数設定値を得る速度設定演算回路を備えたことを特徴と
する可変速電動機群の速度設定装置。 （２、特許請求の範囲第１項において、速度設定演算回
路はマイクａコンビエータとその出カイ□−゛；≦４−
８に構成５、上、ヶ数□、９やヤめ記憶しておき上記周
波数設定値ｆ、に対する速度設定演算をする可変速電動
機群の速度設定装置。[Claims] (11) Inverter frequency setting of the mask synchronous motor in group control of a variable speed motor in which a slave motor is operated by an inverter at a predetermined speed ratio with respect to a master synchronous motor using an inverter as a power source. A variable speed variable speed control circuit characterized by comprising a speed setting calculation circuit that obtains an inverter output frequency setting value of the slave side motor by adding a correction value B to a value obtained by multiplying the value f@ by a constant m determined for the slave side motor. Speed setting device for electric motor group.
8 is a speed setting device for a variable speed electric motor group which stores configuration 5, number □, 9 and number and calculates speed setting for the frequency setting value f.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57006549A JPS58127599A (en) | 1982-01-19 | 1982-01-19 | Speed setter for variable speed motor group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57006549A JPS58127599A (en) | 1982-01-19 | 1982-01-19 | Speed setter for variable speed motor group |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58127599A true JPS58127599A (en) | 1983-07-29 |
| JPS648553B2 JPS648553B2 (en) | 1989-02-14 |
Family
ID=11641407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57006549A Granted JPS58127599A (en) | 1982-01-19 | 1982-01-19 | Speed setter for variable speed motor group |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58127599A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01203194A (en) * | 1988-02-09 | 1989-08-15 | Hitachi Kiden Kogyo Ltd | Hoist control method for crane provided with rope type bucket |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6884200B2 (en) | 2017-03-30 | 2021-06-09 | Ｓｄｐグローバル株式会社 | Molecular weight control agent for radical polymerization, method for producing polymer using it, and polymer |
| JP7396807B2 (en) | 2019-04-15 | 2023-12-12 | 株式会社リブドゥコーポレーション | absorbent articles |
| JP7431510B2 (en) | 2019-04-15 | 2024-02-15 | 株式会社リブドゥコーポレーション | absorbent articles |
| CN113710730A (en) | 2019-04-16 | 2021-11-26 | 三洋化成工业株式会社 | Method for producing water-absorbent resin particles |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4935922A (en) * | 1972-08-09 | 1974-04-03 | ||
| JPS51141312A (en) * | 1975-05-16 | 1976-12-06 | Euratom | Ac motor control unit |
-
1982
- 1982-01-19 JP JP57006549A patent/JPS58127599A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4935922A (en) * | 1972-08-09 | 1974-04-03 | ||
| JPS51141312A (en) * | 1975-05-16 | 1976-12-06 | Euratom | Ac motor control unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01203194A (en) * | 1988-02-09 | 1989-08-15 | Hitachi Kiden Kogyo Ltd | Hoist control method for crane provided with rope type bucket |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS648553B2 (en) | 1989-02-14 |
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