JPS5820327A - Speed controlling method for coiler - Google Patents
Speed controlling method for coilerInfo
- Publication number
- JPS5820327A JPS5820327A JP11880381A JP11880381A JPS5820327A JP S5820327 A JPS5820327 A JP S5820327A JP 11880381 A JP11880381 A JP 11880381A JP 11880381 A JP11880381 A JP 11880381A JP S5820327 A JPS5820327 A JP S5820327A
- Authority
- JP
- Japan
- Prior art keywords
- speed
- torque
- deviation
- coiler
- rolling mill
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/02—Winding-up or coiling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
Abstract
Description
【発明の詳細な説明】
本癲明は、巻取機の速度制御方法に関するものであるＣ
例えば、圧延機からの冷延鋼板等を巻取る巻取機の従来
の速度制御方法は、巻取機の駆動用−動機における逆起
電力をラインスピードと比例させ、電機子電流を巻取シ
張力に比例させる方法、あるいは最大トルクリール制御
と称して、前記駆動用電動機の界磁強め範囲では、逆起
電力をコイル径に比例させ、また界磁弱め範囲では、逆
起電力を一定として自動界磁弱め制御を行ない゛、電機
子電流を、ラインスピード／逆起電力に比例させる方法
の二つがある。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for controlling the speed of a winder. A method of making the back electromotive force in the drive motor of the machine proportional to the line speed and making the armature current proportional to the winding tension, or maximum torque reel control, is carried out in the field strengthening range of the drive motor. There are two methods: making the back electromotive force proportional to the coil diameter, and performing automatic field weakening control with the back electromotive force constant in the field weakening range, and making the armature current proportional to the line speed/back electromotive force. be.
これ等二つの制御方法は、直接被巻取材の張力をコント
ロールしようとする思想に基づ−た所謂電機子電流制御
であるため、巻太りによる時々刻々の巻取り径の演算回
路や、加減速時の慣性補償回路等が必要でＩｔ）シ、ロ
ール径の一定な圧延機等の速度制御系と比較して、自動
゛制御系の回路構成が複雑であって、設定や調整を多く
必要とする０従って、圧延機等の速度制御系に比し、精
度、信頼性に劣ると共に、設定ズレ等による巻取り形状
の悪化等、製品品質への悪影響や被巻取材の破断等のト
ラブルが発生し易い０
本発明は１．かくの如き従来方法の欠点、問題点を解決
すぺ゛く、巻取シ径の演算を必要としない速度制御方法
を開発し、それによって制御系の単純化と、制御精度お
よび信頼性の向上とを図ったものである。These two control methods are so-called armature current control based on the idea of directly controlling the tension of the material to be wound. Compared to the speed control system of a rolling mill with a constant roll diameter, the circuit configuration of an automatic control system is complex and requires many settings and adjustments. Therefore, compared to the speed control system of a rolling mill, etc., it is inferior in accuracy and reliability, and problems such as deterioration of the winding shape due to setting deviations, adverse effects on product quality, and breakage of the material to be wound occur. Easy to do0 The present invention has 1. In order to solve the drawbacks and problems of the conventional method, we have developed a speed control method that does not require calculation of the take-up diameter, thereby simplifying the control system and improving control accuracy and reliability. The aim is to
以下に本発明方法の実施の一例を図に基づき説明する。An example of implementing the method of the present invention will be explained below based on the drawings.
図において、ｌは最終スタンド圧延機、２は、最終スタ
ンド圧延機１の駆動用電動機、３は、圧延機駆動用電動
機２の電機子直流電源装置、４は、圧延機駆動用電動機
２の自動界磁弱め制御器、５は、圧延機駆動用電動機２
の界磁直流電源装置であって、圧延機駆動用電動機２は
、電機子電圧ａ１界磁強め指令信号ｂ１界磁電流Ｃを入
力信号とする自動界磁弱め制御器４と、この自動界磁弱
め制御器４により制御され、界磁電流を、制御する界磁
直流電源装置５との通常の速度制御レオナードによって
制御される。In the figure, l is the final stand rolling mill, 2 is the driving motor of the final stand rolling mill 1, 3 is the armature DC power supply of the rolling mill driving motor 2, and 4 is the automatic driving motor of the rolling mill driving motor 2. A field weakening controller 5 is a rolling mill driving electric motor 2
In this field DC power supply device, a rolling mill driving electric motor 2 includes an automatic field weakening controller 4 whose input signals are an armature voltage a1 a field strengthening command signal b1 a field current C; It is controlled by a weakening controller 4 and the field current is controlled by a conventional speed control Leonard with a field DC power supply 5 controlling it.
６は、前記圧延機駆動用電動機２に連繋して設けられた
ラインスピード検出器、Ｓは、最終スタンド圧延機１に
よって圧延され、巻取機７に巻取られている例えば冷延
鋼板等の被巻取材、８は、の駆動用電動機である。
′前記巻取機駆動用電動＠Ｓは、速度制御
器９、電流・電圧制御器ｌＯ１直流電源制御器１１．電
機子直流電源装置１２および自動界磁弱め制御器１３、
界磁直流電源装置１４等からなる通常の速度制御レオナ
ードによって制御される。6 is a line speed detector provided in conjunction with the rolling mill drive electric motor 2; 8 is an electric motor for driving the material to be wound.
'The electric motor @S for driving the winding machine includes a speed controller 9, a current/voltage controller 1O1, a DC power supply controller 11. armature DC power supply 12 and automatic field weakening controller 13;
It is controlled by a normal speed control Leonard consisting of a field DC power supply 14 and the like.
なお、１５は過速度防止演算器であって、これは、巻取
機駆動用電動機８の逆起電力が、ラインスピードに対し
過大となった場合（被巻取材の破断時等）、巻取機駆動
用電動機８の過速を防止するための通常使用されている
回路である。In addition, 15 is an overspeed prevention calculator, which is used to prevent the winding when the back electromotive force of the motor 8 for driving the winding machine becomes excessive with respect to the line speed (such as when the material to be wound breaks). This is a commonly used circuit for preventing the machine drive motor 8 from overspeeding.
またｄは、前記う・インスピード検出器６によって検出
されたラインスピード、ｅは、巻取機駆動用電動機８に
おける電機子電圧、ｆは同じく電機子電流、ｇ／／ｉ同
じく界磁電流、ｈは界磁強め指令信号である。Further, d is the line speed detected by the winding speed detector 6, e is the armature voltage in the winding machine drive motor 8, f is the armature current, g//i is the field current, h is a field strengthening command signal.
しかして、本発明は、前記最終スタンド圧延機１の駆動
用電動機２における電機子電圧ａと、電機子電流量と、
ラインスピード検出器６によって検出されたラインスピ
ードｄとから、最終スタンド圧延機１における発生トル
クを、演算器１６にょシ、トルク〈了なる関係式に基づ
き演算し、最終スタンド圧延機１における発生トルクｊ
を得る〇どの最終スタンド圧延機１における発生トルク
ｊは、最終スタンド圧延機１に被巻取材Ｓが噛込み、前
段圧延機との間における張力発生に要するトルクと、最
終スタンド圧延機ｌにおける被巻取材Ｓの圧延時の圧延
トルクと、被巻取材Ｓが雫取機７に巻付′き、巻取機７
によシ被巻取材Ｓが巻取られてい“る巻取り張力発生に
要する最終スタンド圧延機１におけるトルク（巻取シに
要する実際のトルク）との総和である０
従って前記発生トルクｊから巻取りに要する実際のトル
クを取出す必要があシ、そこで、制御信号発生器１７か
らの制御信号に基づき、先ず最終スタンド圧延機ｌＫ被
巻取材Ｓが噛込んだ後の積巻−取材Ｓの安定圧延時にお
けるトルクを記憶しておき、かつ巻取シに要する圧延ト
ルクのみを抽出演算する演算器１８へ前記発生トルクｊ
との差を入力信号として与えると、とによって、演算器
１８から巻取シ張力に対応する圧延機トルクｋを得る。Therefore, the present invention provides an armature voltage a in the drive motor 2 of the final stand rolling mill 1, an armature current amount,
From the line speed d detected by the line speed detector 6, the torque generated in the final stand rolling mill 1 is calculated based on the relational expression of j
The generated torque j at which final stand rolling mill 1 is determined by the torque required for the material to be wound S to be bitten by the final stand rolling mill 1 and the tension generated between it and the previous rolling mill, and the torque generated at the final stand rolling mill l. The rolling torque during rolling of the material S to be wound, the winding material S being wound around the winding machine 7, and the winding machine 7
0, which is the sum of the torque (actual torque required for winding) in the final stand rolling mill 1 required to generate the winding tension when the material to be wound S is wound. Therefore, based on the control signal from the control signal generator 17, first, the final stand rolling mill lK is stabilized after the material S to be wound is bitten. The torque generated during rolling is stored and the generated torque j is sent to a computing unit 18 that extracts and calculates only the rolling torque required for winding.
When the difference between .
この巻＊ｐ張力に対応する圧延機トルクｋを、比較演算
器１９によって設定張力に対応するトルクｔと比較演算
し、張力偏差ｍを得る。The rolling mill torque k corresponding to this winding *p tension is compared with the torque t corresponding to the set tension by a comparator 19 to obtain a tension deviation m.
この張力偏差ｍは、圧延機１側を基準としてみた場合、
前記設定張力を保つべき成る値の巻取機に基づき、速度
偏差変換演算器加によって変換演ス演算子である。This tension deviation m is calculated based on the rolling mill 1 side.
Based on the value of the winder to maintain the set tension, the speed deviation conversion operator is added to the conversion operator.
このようにして得られた速度偏差ｎを前記速度制御レオ
ナードにおける速厩制御器９へ入力信号として与え、速
度制御器９からの制御電流信号０を、前記電流・電圧制
御器１０への補正用入力信号として与え、巻取機７の速
度制御を行なう。The speed deviation n thus obtained is given as an input signal to the speed controller 9 in the speed control Leonardo, and the control current signal 0 from the speed controller 9 is sent to the current/voltage controller 10 for correction. It is given as an input signal to control the speed of the winder 7.
勿論Ｊ結果的に張力制御が行なわれる。Of course, tension control is performed as a result.
以上述べた如く、本発明方法によれば、従来の電機子電
流制御に基づく巻取機の速度制御方法におけるが如き、
巻取シ径の演算回路および加減速時の慣性補償回路を全
く必要としないので、制御系の回路構成を極めて単純化
できると共に、制御′精度および信頼性を向上できる０As described above, according to the method of the present invention, as in the conventional winding machine speed control method based on armature current control,
Since there is no need for a winding diameter calculation circuit or an inertia compensation circuit during acceleration/deceleration, the circuit configuration of the control system can be extremely simplified, and control accuracy and reliability can be improved.
図は本発明方法の実施の一例を示すブロック図である。 The figure is a block diagram showing an example of implementation of the method of the present invention.
Claims (1)
する最終スタンド圧延機のトルクと、設定張力に対応す
るトルクとを比較演算し、この比較演算されたトルク偏
差を、巻取機の速度偏差に変換演算し、この変換演算さ
れた速度偏差を、巻取機の速度制御系への補正用入力信
号とすることを特徴とする巻取機の速度制御方法。The torque of the final stand rolling mill corresponding to the winding tension of the material being wound on the winding machine and the torque corresponding to the set tension are compared and calculated, and the torque deviation calculated by this comparison is calculated. A method for controlling the speed of a winding machine, characterized in that the speed deviation of the winding machine is converted into a speed deviation, and the calculated speed deviation is used as a correction input signal to a speed control system of the winding machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11880381A JPS5820327A (en) | 1981-07-28 | 1981-07-28 | Speed controlling method for coiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11880381A JPS5820327A (en) | 1981-07-28 | 1981-07-28 | Speed controlling method for coiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5820327A true JPS5820327A (en) | 1983-02-05 |
Family
ID=14745502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11880381A Pending JPS5820327A (en) | 1981-07-28 | 1981-07-28 | Speed controlling method for coiler |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5820327A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61226391A (en) * | 1985-03-27 | 1986-10-08 | アツカー・エンジニアリング・アー／エス | Device in oil platform |
-
1981
- 1981-07-28 JP JP11880381A patent/JPS5820327A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61226391A (en) * | 1985-03-27 | 1986-10-08 | アツカー・エンジニアリング・アー／エス | Device in oil platform |
| JPH0472756B2 (en) * | 1985-03-27 | 1992-11-19 | Atsukaa Eng As |
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