JPH02303617A - Tension controller for looper - Google Patents
Tension controller for looperInfo
- Publication number
- JPH02303617A JPH02303617A JP12712089A JP12712089A JPH02303617A JP H02303617 A JPH02303617 A JP H02303617A JP 12712089 A JP12712089 A JP 12712089A JP 12712089 A JP12712089 A JP 12712089A JP H02303617 A JPH02303617 A JP H02303617A
- Authority
- JP
- Japan
- Prior art keywords
- tension
- reference value
- looper
- deviation
- motor
- 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
- 239000000463 material Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- 230000004043 responsiveness Effects 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 239000012876 carrier material Substances 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Landscapes
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は調帯等の搬送材を処理するラインにおいて、
搬送材を一時時に貯蔵するルーパ装置における張力制御
装置に関する。[Detailed Description of the Invention] [Industrial Field of Application] This invention is applicable to a line for processing conveyed materials such as belts,
The present invention relates to a tension control device in a looper device that temporarily stores conveyed materials.
〔従来の技術）
第２図は、例えばｒＣ３Ｃ，ＣＬＣ運転方案」（三菱電
機発行、１９８７年７月２５日発行）に示された従来の
この種の制御装置をブロック図で示したものである。図
において、１は搬送される銅帯、２ルーパ入側のブライ
ドルローラ、３はルーパ内で鋼帯１に張力を付与するた
めのルーパローラ、４はルーパローラ３を駆動して鋼帯
ｌに張力を与える駆動モータ、５はルーパ出側のブライ
ドルローラである。６はブライドルローラ２の図示しな
い駆動モータを制御する駆動制御装置であって、ブライ
ドルローラ２の駆動モータの速度を速度基準値Ｖ、に制
御する。７は鋼帯１の張力検出器、８は減算器、９は制
御器、１０は加算器、１１は駆動モータ４の駆動制御装
置、１２はブライドルローラ５の図示しない駆動モータ
を制御する駆動制御装置であって、ブライドルローラ５
の駆動モータの速度を速度基準値Ｖ。に制御する。[Prior art] Fig. 2 is a block diagram of a conventional control device of this type, as shown in, for example, "rC3C, CLC Operation Plan" (published by Mitsubishi Electric, July 25, 1987). . In the figure, 1 is a copper strip being conveyed, 2 is a bridle roller on the entrance side of the looper, 3 is a looper roller for applying tension to the steel strip 1 inside the looper, and 4 is a looper roller that drives the looper roller 3 to apply tension to the steel strip L. A drive motor 5 is a bridle roller on the exit side of the looper. A drive control device 6 controls a drive motor (not shown) of the bridle roller 2, and controls the speed of the drive motor of the bridle roller 2 to a speed reference value V. 7 is a tension detector for the steel strip 1, 8 is a subtracter, 9 is a controller, 10 is an adder, 11 is a drive control device for the drive motor 4, and 12 is a drive control for controlling the drive motor (not shown) of the bridle roller 5. A device comprising a bridle roller 5
The speed of the drive motor is the speed reference value V. to control.
制御器９は張力検出器７が送出する張力検出値を張力基
準値ＴＬと比較してその偏差ΔＴＬを導入し、該偏差Δ
Ｔ、に応じた制御量を演算する。駆動モータ４は上記制
御量と張力基準値ＴＬとの加算値を制御入力とする駆動
制御装置１１により電流制御される。The controller 9 compares the tension detection value sent by the tension detector 7 with the tension reference value TL, introduces the deviation ΔTL, and calculates the deviation ΔTL.
A control amount according to T is calculated. The drive motor 4 is current-controlled by a drive control device 11 whose control input is the sum of the control amount and the tension reference value TL.
この従来の張力制御では、ルーパ内の張力変動によって
上記偏差ΔＴＬが生じた場合、ルーパ自身の機械的ロス
等によって、動作遅れが生じ、また、正常運転時の同期
中における微妙な張力変動に対する補正が困難であると
いう問題があった。In this conventional tension control, when the deviation ΔTL occurs due to tension fluctuations within the looper, an operation delay occurs due to the mechanical loss of the looper itself, and correction for subtle tension fluctuations during synchronization during normal operation. The problem was that it was difficult.
この発明は上記問題を解消すためになされたもので、従
来に比して、応答性を向上することができ、また、同期
中の微妙な張力変動に対する補正が可能であるルーパの
張力制御装置を提供することを目的とする。This invention was made to solve the above problems, and is a looper tension control device that can improve responsiveness compared to the conventional method and can compensate for subtle tension fluctuations during synchronization. The purpose is to provide
この発明は上記目的を達成するため、入側もしくは出側
のブライドルローラを駆動するモータの速度基準値を張
力偏差に応じて補正する構成としたものである。In order to achieve the above object, the present invention is configured to correct the speed reference value of the motor that drives the bridle roller on the entry side or the exit side in accordance with the tension deviation.
〔作用〕
この発明では、張力変動が発生した場合に、張力制御用
のモータだけではなく、入側もしくは出側のブライドル
ローラの速度も補正されるから、制御の応答性が向上す
る。また、同期運転中の微小な張力変動に入側もしくは
出側のブライドルローラの速度が応答する。[Operation] According to the present invention, when a tension fluctuation occurs, not only the speed of the tension control motor but also the speed of the entrance or exit bridle roller is corrected, so that control responsiveness is improved. Additionally, the speed of the entry or exit bridle roller responds to minute tension fluctuations during synchronous operation.
以下、この発明の１実施例を図面を参照して説明する。 Hereinafter, one embodiment of the present invention will be described with reference to the drawings.
第１図において、１３は制御器であって、張力検出器７
が送出する張力検出値と張力基準値ＴＬとの偏差ＡＴＬ
を検出する減算器８の出力を取り込んで、該偏差ΔＴＬ
に応じた制御量を演算する。１４は加算器であって、出
側ブライドルローラ５の速度基準値■、に制御器１３の
出力値を加算して、この加算値を駆動制御装置１２に制
御入力として与える。他の構成は第２図のものと同じで
ある。In FIG. 1, 13 is a controller, and a tension detector 7
Deviation ATL between the tension detection value sent by and the tension reference value TL
The output of the subtracter 8 is taken in to detect the deviation ΔTL.
Calculate the control amount according to. Reference numeral 14 denotes an adder which adds the output value of the controller 13 to the speed reference value (2) of the exit bridle roller 5, and supplies this added value to the drive control device 12 as a control input. The other configurations are the same as those in FIG.
ところで、この実施例に示す機械系においてはｌ＋ｊσ
Ｓ Ｖｃ
Ｃ
上式は、定常状態時（Ｓ＝０、ｖ、＝Ｏ）には、となる
。但し、
Ａ：鋼帯１の断面積、Ｅ：１ｉｉｌ帯１のヤング率、Ｔ
、：ルーパ入側の張力基準値、ｔσ：張力系の時定数、
ｎ：ルーパ内の鋼帯のストランド数、Ｓ ニラプラス変
換の演算子、ＶＬ ：ルーパの昇降速度。By the way, in the mechanical system shown in this example, l+jσ
S Vc C The above equation becomes as follows in the steady state (S=0, v,=O). However, A: cross-sectional area of steel strip 1, E: Young's modulus of 1iil strip 1, T
, : Tension reference value on the input side of the looper, tσ: Time constant of the tension system,
n: number of strands of steel strip in the looper, S: niraplus conversion operator, VL: lifting speed of the looper.
上記（１）式から理解されるよに、張力変動が発生して
張力基準値ＴＬと実際張力との間に張力変動ΔＴＬが発
生した場合には、速度基準値ＶＤまたは速度基準値■。As can be understood from the above equation (1), when a tension fluctuation occurs and a tension fluctuation ΔTL occurs between the tension reference value TL and the actual tension, the speed reference value VD or the speed reference value ■.
またはルーパの昇降速度ＶＬを補正すれば、張力変動を
抑制することができる。Alternatively, tension fluctuations can be suppressed by correcting the ascending and descending speed VL of the looper.
また、定常状態時は、速度基準値■。またはｖｃの補正
が、また、コイルハンドリングで出側セクション停止時
（■。＝０）はｖＬの補正が、張力変動を抑制するのに
有効である。Also, in steady state, the speed reference value■. Alternatively, correction of vc, and correction of vL when the exit section is stopped during coil handling (■.=0) are effective for suppressing tension fluctuations.
本実施例では、従来の張力制御に加えるに、ブライドル
ローラ５を駆動する駆動モータの速度基準値■。を、上
記偏差ΔＴＬに応じた制御量で補正してプライドルロー
ル５の駆動モータの速度を制御するから、張力制御の応
答性が向上する。In this embodiment, in addition to the conventional tension control, a speed reference value (2) of the drive motor that drives the bridle roller 5 is used. Since the speed of the drive motor of the priddle roll 5 is controlled by correcting the above deviation ΔTL with a control amount, the responsiveness of tension control is improved.
また、プライドルロール５の駆動モータを制御する駆動
制御装置１２の制御入力は偏差ΔＴＬに応じた制御量に
よって補正される構成であるから、同期運転中の微小な
張力変動にもブライドルローラ５の速度が応答する。In addition, since the control input of the drive control device 12 that controls the drive motor of the bridle roller 5 is corrected by the control amount according to the deviation ΔTL, the speed of the bridle roller 5 can be adjusted even if there is a minute tension fluctuation during synchronous operation. responds.
なお、上記実施例では、速度基準値Ｖ。、を偏差ΔＴＬ
に対応する制御量で補正しているが、入側ブライドルロ
ーラ２を制御する駆動モータの速度基準値Ｖ、を該制御
量で補正する構成としてもよい。また、本発明は出側ル
ーパだけでなく入側ルーパについて適用しても同様の効
果を得ることができる。Note that in the above embodiment, the speed reference value V. , the deviation ΔTL
The speed reference value V of the drive motor that controls the entrance bridle roller 2 may be corrected using the control amount. Further, the present invention can be applied not only to the output looper but also to the input looper to obtain similar effects.
この発明は以上説明した通り、ルーパ内で張力偏差が発
生した場合に、該張力偏差に対応して張力制御系の駆動
モータを制御するだけでなく、入側もしくは出側のプラ
イドルロールを駆動するモータの速度基準を補正する構
成としたので、従来に比し、制御の応答性を高めること
ができる上、同期運転時の微小な張力変動も抑制するこ
とができる利点がある。As explained above, when a tension deviation occurs in the looper, this invention not only controls the drive motor of the tension control system in response to the tension deviation, but also drives the input side or exit side priddle roll. Since the configuration corrects the speed reference of the motor, there is an advantage that the responsiveness of control can be improved compared to the conventional method, and that minute fluctuations in tension during synchronous operation can also be suppressed.
第１図はこの発明の実施例を示すブロック図、第２図は
従来の張力制御装置を示すブロック図である。
図において、２．５・・−ブライドルローラ、３−ルー
パローラ、４−駆動モータ、６．１１．１２・−駆動制
御装置、７・・−張力検出器、９．１３−・制御器。
なお、図中、同一符号は同一または相当部分を示す。FIG. 1 is a block diagram showing an embodiment of the present invention, and FIG. 2 is a block diagram showing a conventional tension control device. In the figure, 2.5...--Bridle roller, 3-- Looper roller, 4-- Drive motor, 6.11.12-- Drive control device, 7...-- Tension detector, 9.13--. Controller. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
るルーパローラを駆動するモータを、張力基準値と搬送
材の実張力との偏差に応じた制御量に上記張力基準値を
加算した制御入力で制御する駆動制御装置を備えるルー
パの張力制御装置において、上記入側もしくは出側のブ
ライドルローラを駆動するモータの速度基準値を上記偏
差に応じて補正することを特徴とするルーパの張力制御
装置。The motor that drives the looper roller located between the input bridle roller and the output bridle roller is controlled with a control input that is the addition of the above tension reference value to the control amount that corresponds to the deviation between the tension reference value and the actual tension of the conveyed material. A looper tension control device comprising a drive control device, wherein a speed reference value of a motor that drives the input or output bridle roller is corrected in accordance with the deviation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12712089A JPH02303617A (en) | 1989-05-19 | 1989-05-19 | Tension controller for looper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12712089A JPH02303617A (en) | 1989-05-19 | 1989-05-19 | Tension controller for looper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02303617A true JPH02303617A (en) | 1990-12-17 |
Family
ID=14952102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12712089A Pending JPH02303617A (en) | 1989-05-19 | 1989-05-19 | Tension controller for looper |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02303617A (en) |
-
1989
- 1989-05-19 JP JP12712089A patent/JPH02303617A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR0157135B1 (en) | Apparatus for controlling tension in process line | |
| JPH02303617A (en) | Tension controller for looper | |
| US6164104A (en) | Method of and apparatus for measuring planarity of metal strip | |
| JP3684091B2 (en) | Coating quality assurance method for curtain coaters | |
| JP2911018B2 (en) | Tension control method for continuous annealing equipment | |
| JPH0217615B2 (en) | ||
| JPH0371919A (en) | Looper controller on steel equipment | |
| JPH01278905A (en) | Device for controlling tension in continuous rolling mill | |
| JP2994132B2 (en) | Coater control device | |
| JPS60245486A (en) | Controller of motor | |
| JPH05116823A (en) | Tension control device for sheet-like material | |
| JP3018903B2 (en) | Bridle roll operation control method and apparatus | |
| JP2002294426A (en) | Device and method for controlling plated coating weight | |
| JPS6149730A (en) | Elongation percentage controlling system of shape straightening device | |
| JPH0884490A (en) | Speed control method for motor | |
| JPH01308349A (en) | Controller for continuous processing equipment | |
| JPS59217559A (en) | Tension controlling device | |
| JPH01259778A (en) | Tension controller | |
| JPH0455253A (en) | Loop car control device | |
| JPS58110620A (en) | Controlling method for tension on strip in continuous annealing furnace | |
| JP2511154B2 (en) | Acceleration / deceleration compensation calculation device for 2-stage loop car device | |
| JPH04162908A (en) | Elongation percentage controller | |
| JPS639590B2 (en) | ||
| JPH0857510A (en) | Method for controlling speed of deflector roll | |
| JPH02262886A (en) | Motor speed controller |