JPS6211875Y2 - - Google Patents
Info
- Publication number
- JPS6211875Y2 JPS6211875Y2 JP1981060596U JP6059681U JPS6211875Y2 JP S6211875 Y2 JPS6211875 Y2 JP S6211875Y2 JP 1981060596 U JP1981060596 U JP 1981060596U JP 6059681 U JP6059681 U JP 6059681U JP S6211875 Y2 JPS6211875 Y2 JP S6211875Y2
- Authority
- JP
- Japan
- Prior art keywords
- roll
- signal
- operational amplifier
- speed
- output
- 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.)
- Expired
Links
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 230000001629 suppression Effects 0.000 claims 1
- 230000001133 acceleration Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Landscapes
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Description
【考案の詳細な説明】
本考案はダンサーロールを用いて線材、板材等
の長尺物にかかる張力を一定に保つ張力制御装置
の改良に関する。[Detailed Description of the Invention] The present invention relates to an improvement in a tension control device that uses dancer rolls to maintain a constant tension on a long object such as a wire or plate.
従来の張力制御装置の構成例を第１図に示す。 An example of the configuration of a conventional tension control device is shown in FIG.
図中１は長尺物、２，２′はリール、３，３′は
基準ロール、従動ロール、４はダンサーロール、
５はダンサーロール４の変位検出器、６，６′は
それぞれ速度検出器７，７′を具備する電動機、
８，８′は電動機６，６′の電動機制御装置、９は
共通速度指令を与える速度設定器、１０は信号変
換器を示している。 In the figure, 1 is a long object, 2 and 2' are reels, 3 and 3' are reference rolls and driven rolls, and 4 is a dancer roll.
5 is a displacement detector for the dancer roll 4; 6 and 6' are electric motors each equipped with speed detectors 7 and 7';
Reference numerals 8 and 8' indicate motor control devices for the motors 6 and 6', 9 a speed setter for giving a common speed command, and 10 a signal converter.
すなわち、長尺物１を送り出すリール２と巻き
取るリール２′を有する一例のものであり、リー
ル２から送り出された長尺物１が基準ロール３、
ダンサーロール４および従動ロール３′にかけら
れてリール２′へ向う力を与えられる。したがつ
て基準ロール３と従動ロール３′との間に設けら
れたダンサーロール４がこれらの３，３′間の速
度差により上下動し、このダンサーロール４の変
位によつて張力が変ることになる。基準ロール
３、従動ロール３′の駆動において、基準ロール
３を駆動する電動機６は速度設定器９出力の速度
設定信号および速度検出器７出力の帰還信号を得
る電動機制御装置８によつて定速運転され、従動
ロール３′を駆動する電動機６′は、前記速度設定
指令系に変位検出器５によるダンサーロール４の
変位量出力が信号変換器１０を介して与えられ、
この速度指令信号および速度検出器７′出力の帰
還信号を得る電動機制御装置８′によつて速度制
御運転される。このようにして基準ロール３が基
準速度で駆動されるとともに、ダンサーロール４
の位置が一定になるように従動ロール３′の運転
速度の補正が行われ、ダンサーロール４が基準位
置を保持する如く制御され、長尺物１にかかる張
力も一定値となつて定張力制御運転を行うことと
なる。 That is, this is an example having a reel 2 for sending out a long object 1 and a reel 2' for winding it up, and the long object 1 sent out from the reel 2 is a reference roll 3,
A force directed toward the reel 2' is applied to the dancer roll 4 and the driven roll 3'. Therefore, the dancer roll 4 provided between the reference roll 3 and the driven roll 3' moves up and down due to the speed difference between these rolls 3 and 3', and the tension changes due to the displacement of this dancer roll 4. become. In driving the reference roll 3 and the driven roll 3', the electric motor 6 that drives the reference roll 3 is kept at a constant speed by the motor control device 8 which receives the speed setting signal from the speed setting device 9 output and the feedback signal from the speed detector 7 output. The electric motor 6' that is operated and drives the driven roll 3' is supplied with the displacement amount output of the dancer roll 4 by the displacement detector 5 to the speed setting command system via the signal converter 10.
Speed control operation is performed by a motor control device 8' which obtains this speed command signal and a feedback signal of the output of the speed detector 7'. In this way, the reference roll 3 is driven at the reference speed, and the dancer roll 4
The operating speed of the driven roll 3' is corrected so that the position of the dancer roll 4 is maintained constant, the dancer roll 4 is controlled to maintain the reference position, and the tension applied to the long object 1 is also maintained at a constant value, resulting in constant tension control. You will be required to drive.
この種の張力制御装置において、前記速度補正
信号の補正量を基準速度指令信号レベルに対して
補正レベル、時間要素の面から好適に供給しなけ
れば、張力制御の不安定現象を発生しあるいは安
定運転への追従性が失われるものとなつてしま
う。このため通常前記補正量にリミツタがかけら
れる制御機能を有するものとなし、あるいは補正
量入力に対して積分要素を有する積分器が設けら
れるものとなつている。しかしながらかかる速度
補正信号供給においては、第１図に示される如き
巻き取り系において前記リミツタ付補正の利得を
大きくとれない場合、たとえ前述の積分器を併用
しダンサーロール変位のオフセツト解消を図る構
成のものとしても、急減速時には積分時定数に従
いつつ作用するものとなることからダンサーロー
ル変位が大きく生じることになる。このことは長
尺物１に張力変動を与える悪影響を及ぼし、積分
機能から期する運転の安定化に支障を生じるもの
となる。 In this type of tension control device, if the correction amount of the speed correction signal is not appropriately supplied with respect to the reference speed command signal level in terms of correction level and time element, tension control may become unstable or become unstable. The ability to follow driving will be lost. For this reason, it is usually equipped with a control function that applies a limiter to the correction amount, or is provided with an integrator having an integral element for inputting the correction amount. However, in supplying such a speed correction signal, if the gain of the limiter correction cannot be made large in the winding system as shown in FIG. Even so, during sudden deceleration, the dancer roll displacement will be large because it will act according to the integral time constant. This has an adverse effect of causing tension fluctuations on the long object 1, which impedes the stabilization of operation expected from the integral function.
本考案は上述したような欠点を除去するために
なされたもので、急減速時（または急加速時）あ
るいは急減速（急加速）と急加速（急減速）の繰
返しが行われる際にもダンサーロール変位の変動
を抑制し得る格別な演算信号発生部分を備え、安
定した張力一定運転を行うことができる装置を提
供するものである。 This invention was made to eliminate the above-mentioned drawbacks, and it is possible to prevent the dancer from moving during sudden deceleration (or sudden acceleration) or when sudden deceleration (sudden acceleration) and sudden acceleration (sudden deceleration) are repeated. The purpose of the present invention is to provide a device that is equipped with a special calculation signal generating section that can suppress fluctuations in roll displacement and that can perform stable constant tension operation.
第２図は本考案による一実施例を示すものであ
り、１１は比例演算増幅器、１２は積分演算増幅
器である、図中第１図と同符号のものは同じ構成
部分を示す。ここでは基準ロールを従動ロールよ
りも長尺物の流れに対して上手の方に設けた場合
であるが、その基準ロールと従動ロールの位置を
入れ換えてもよく、この場合ダンサーロールが基
準位置より下降した際減速方向に補正するように
すればよい。 FIG. 2 shows an embodiment according to the present invention, in which 11 is a proportional operational amplifier and 12 is an integral operational amplifier. In the figure, the same reference numerals as in FIG. 1 indicate the same components. In this case, the reference roll is placed at a position that is better in relation to the flow of the long object than the driven roll, but the positions of the reference roll and driven roll may be swapped. What is necessary is to correct it in the direction of deceleration when descending.
かくの如く示されるものは、速度補正信号を与
える部分が信号変換器１０のみで示される第１図
装置に対し、さらに比例演算増幅器１１および積
分演算増幅器１２が付加されてそれぞれ各要素別
に利得調整を行う速度補正信号発生部分を具備す
る構成からなる。ここで比例演算増幅器１１は、
信号変換器１０よりダンサーロール４の変位信号
および速度設定器９より基準速度指令信号を得
て、その変位信号に基づく補正レベルが基準速度
指令信号の値でリミツタがかけられる比例要素増
幅機能を有するものであればよい。また積分演算
増幅器１２は第３図および第４図に示すものであ
る。すなわち積分演算増幅器１２は、演算増幅器
１２ａ、乗算演算器１２ｂおよびコンデンサ１２
ｃから構成し、乗算演算器１２ｂに速度設定器９
出力を得るとともにコンデンサ１２ｃが挿入され
る帰還回路を有して積分要素をもつ出力Ｐの特性
に速度指令値に比例するリミツタがもうけられる
ものである。つまり出力Ｐを図示の如く定格速度
指令値V0につき例えばこのとき所望される最大
補正レベルとして（＋E0）または（−E0）を選定
せしめるものとすれば、速度設定器９出力の変化
に対してほぼ｜E0／V0｜の比率のすなわち比率
一定の制限値をもつものとすることができる。し
たがつて減速時積分演算増幅器１２は速度低下に
伴ない出力Ｐが減少して積分時定数に無関係な補
正信号を発生できる。なおこの積分演算増幅器１
２の入力を信号変換器１０から与えられるものと
したが、これを比例演算増幅器１１出力からとる
ようにしてもよい。また基準ロールと従動ロール
の位置を図示と入れ換えた場合も同様に作用でき
ることは明らかである。 In the device shown in FIG. 1, the part that provides the speed correction signal is only the signal converter 10, but a proportional operational amplifier 11 and an integral operational amplifier 12 are added to adjust the gain for each element. The configuration includes a speed correction signal generating section that performs the following. Here, the proportional operational amplifier 11 is
It has a proportional element amplification function in which the displacement signal of the dancer roll 4 is obtained from the signal converter 10 and the reference speed command signal is obtained from the speed setting device 9, and the correction level based on the displacement signal is limited by the value of the reference speed command signal. It is fine as long as it is something. The integral operational amplifier 12 is shown in FIGS. 3 and 4. That is, the integral operational amplifier 12 includes an operational amplifier 12a, a multiplier 12b, and a capacitor 12.
c, and a speed setting device 9 in the multiplication calculator 12b.
It has a feedback circuit in which a capacitor 12c is inserted while obtaining an output, and a limiter is provided in the characteristic of the output P having an integral element, which is proportional to the speed command value. In other words, if the output P is to be selected as (+E 0 ) or (-E 0 ) as the maximum correction level desired at this time for the rated speed command value V 0 as shown in the figure, the change in the output of the speed setting device 9 On the other hand, it is possible to have a limit value having a ratio of approximately |E 0 /V 0 |, that is, a constant ratio. Therefore, the output P of the deceleration integral operational amplifier 12 decreases as the speed decreases, and it is possible to generate a correction signal unrelated to the integral time constant. Note that this integral operational amplifier 1
Although the second input is given from the signal converter 10, it may be taken from the output of the proportional operational amplifier 11. Furthermore, it is clear that the same effect can be obtained even if the positions of the reference roll and the driven roll are replaced with those shown in the figure.
以上説明したように本考案によれば、急減速時
（または急加速時）にもダンサーロール変位の変
動を抑制し好適な張力制御を行い得る装置を提供
できる。 As described above, according to the present invention, it is possible to provide a device that can suppress fluctuations in dancer roll displacement and perform suitable tension control even during sudden deceleration (or sudden acceleration).
なお本説明は従動ロール駆動例によるものであ
るが、これを巻き取りリール駆動または送り出し
リール駆動とした場合も本考案が適用でき大きな
効果が得られることは言うまでもない。 Although this explanation is based on an example of driven roll drive, it goes without saying that the present invention can also be applied to a take-up reel drive or a delivery reel drive, and great effects can be obtained.
第１図は従来の張力制御装置例を示す系統図、
第２図は本考案の一実施例を示す系統図、第３
図、第４図は積分演算増幅器部分を示す構成図、
出力特性図である。
３……基準ロール、３′……従動ロール、４…
…ダンサーロール、６，６′……電動機、７，
７′……速度検出器、９……速度設定器、１０…
…信号変換器、１１……比例演算増幅器、１２…
…積分演算増幅器。
Figure 1 is a system diagram showing an example of a conventional tension control device.
Figure 2 is a system diagram showing one embodiment of the present invention;
Figure 4 is a configuration diagram showing the integral operational amplifier section,
It is an output characteristic diagram. 3... Reference roll, 3'... Followed roll, 4...
...Dancer roll, 6,6'...Electric motor, 7,
7'...Speed detector, 9...Speed setter, 10...
...Signal converter, 11...Proportional operational amplifier, 12...
...integral operational amplifier.
Claims (1)
ンサーロールの変位により該従動ロールの速度補
正を行い各ロールにかけた長尺物の張力を一定に
制御する張力制御装置において、前記ダンサーロ
ールの変位信号および基準速度指令信号の二入力
を乗算しかつ速度設定手段の出力信号レベルをリ
ミツタレベルとして信号発生する比例演算増幅器
と、そのダンサーロールの変位信号を入力としか
つ積分演算器出力および基準速度指令信号の二入
力を乗算させた乗算器出力を得て速度設定手段出
力に対する比率一定の抑制レベルを信号発生する
積分演算増幅器とを独立して備え、これら比例演
算増幅器および積分演算増幅器出力をそれぞれ前
記従動ロールの速度補正信号とすることを特徴と
した張力制御装置。 In a tension control device that corrects the speed of a dancer roll provided between a reference roll and a driven roll and controls the tension of a long object applied to each roll to be constant, the displacement signal of the dancer roll and A proportional operational amplifier which multiplies two inputs of the reference speed command signal and generates a signal by using the output signal level of the speed setting means as a limiter level, and a proportional operational amplifier which receives the displacement signal of the dancer roll and which outputs the output of an integral calculator and generates a signal by using the output signal level of the speed setting means as a limiter level. An integral operational amplifier which obtains a multiplier output by multiplying the input and generates a signal with a suppression level constant in proportion to the output of the speed setting means is provided independently, and the outputs of the proportional operational amplifier and the integral operational amplifier are respectively connected to the driven roll. A tension control device characterized by using a speed correction signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981060596U JPS6211875Y2 (en) | 1981-04-28 | 1981-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981060596U JPS6211875Y2 (en) | 1981-04-28 | 1981-04-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57174452U JPS57174452U (en) | 1982-11-04 |
| JPS6211875Y2 true JPS6211875Y2 (en) | 1987-03-23 |
Family
ID=29856889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1981060596U Expired JPS6211875Y2 (en) | 1981-04-28 | 1981-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6211875Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4642989B2 (en) * | 2000-10-25 | 2011-03-02 | 東洋ゴム工業株式会社 | Method and apparatus for controlling the feeding speed of a ribbon member for tire construction |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50101768A (en) * | 1974-01-18 | 1975-08-12 | ||
| JPS5197710A (en) * | 1975-02-26 | 1976-08-27 | ||
| JPS553159U (en) * | 1978-06-21 | 1980-01-10 |
-
1981
- 1981-04-28 JP JP1981060596U patent/JPS6211875Y2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50101768A (en) * | 1974-01-18 | 1975-08-12 | ||
| JPS5197710A (en) * | 1975-02-26 | 1976-08-27 | ||
| JPS553159U (en) * | 1978-06-21 | 1980-01-10 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57174452U (en) | 1982-11-04 |
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