CN104492822B - A kind of board-shape control method of the AS-UCM type milling train that is suitable for skin pass rolling - Google Patents

Abstract

A kind of board-shape control method of the AS-UCM type milling train that is suitable for skin pass rolling, it mainly comprises the following step of being carried out by computer: (a) collection of basic equipment parameter, (b) the basic rolling technological parameter of collection ideal format product, (c) by plate shape control device from the symmetrical roller of traditional working roll, the symmetrical roller of intermediate calender rolls (symmetrical roll shifting), the three-dimensionals such as roller of inclining are increased to working roll left and right roller, intermediate calender rolls left and right roller, upper intermediate roll shifting, lower intermediate roll shifting, the plate shape control thought of the 7 degree of freedom such as roller inclines, calculate working roll left and right roller, intermediate calender rolls left and right roller, upper intermediate roll shifting, the plate shapes such as lower intermediate roll shifting and the roller that inclines are controlled the Optimal Setting of parameter, AS-UCM planisher is carried out to asymmetric higher-order wave shape control. the present invention has solved the control problem of the asymmetric higher-order wave shape defect of common UCM type effectively, has greatly improved the strip shape quality of finished strip, has popularizing value widely.

Description

A kind of board-shape control method of the AS-UCM type milling train that is suitable for skin pass rolling

Technical field

The present invention relates to a kind of belt steel flating production technology, particularly a kind of board-shape control method of milling train.

Background technology

In recent years, along with the day by day raising of strip user to high-grade belt plate shape quality requirement, UCM (universalCrownmill) to have work roll bending, intermediate calender rolls roller, intermediate calender rolls play and the roller that inclines etc. many because of it for the smooth unit of typeKind of plate shape control device and be more and more subject to the favor of iron and steel enterprise. Meanwhile, iron and steel enterprise also finds aborning, UCMAlthough having very strong plate shape to conventional shape waves such as monolateral wave, bilateral wave, middle waves, the smooth unit of type controls effect, to ribThe asymmetric complex waves of high order such as wave, complex seas are often helpless. Especially, because smoothing and rolling process drafts is little, rightCooling less demanding with steel of roll, roller heat convex degree learning almost can be ignored, and therefore can not adopt the cooling method of segmentationTo the meticulous control of fixing a point of high order complex wave. Like this, how to improve the control energy of the smooth unit of UCM to high order complex wavePower, the strip shape quality that further improves finished strip just become the emphasis of iron and steel enterprise's research of technique. Bibliography:

[1] Lian Jiachuan, Liu Hongmin. gauge and shape control [M]. the .1995 of weapon industry publishing house

[2] Bai Zhenhua, Han Linfang, Li Jingzhou, etc. the research of shape models [J] when the abnormal rolling of four-high mill. machineryEngineering journal .2012,48 (20): 77-82

[3] open Yun. six-high cluster mill asymmetric plate shape modulating properties research [J]. metallurgical equipment .2012, (2): 13-17

Summary of the invention

Cannot enter asymmetric complicated higher-order wave shape because not configuring segmentation cooling way for the smooth unit of common UCMThe problem of the meticulous control of row, the invention provides a kind of plate shape controlling party of the AS-UCM type milling train that is suitable for skin pass rollingMethod. The present invention is mainly that to have proposed the asymmetric roller of a set of configuration effort roller, the asymmetric roller of intermediate calender rolls, intermediate calender rolls upper and lower non-rightClaim the six-high cluster mill new architecture of roll shifting, be called for short AS-UCM type (Asymmetricuniversalcrownmill, asymmetricThe variable milling train of omnipotent convexity), by plate shape control device from the symmetrical roller of traditional working roll, the symmetrical roller (symmetry of intermediate calender rollsRoll shifting), the three-dimensionals such as roller of inclining are increased to working roll left and right roller, intermediate calender rolls left and right roller, upper intermediate roll shifting, lower intermediate calender rolls and alterThe plate shape control thought of roller, the 7 degree of freedom such as roller that incline, and on this basis taking the difference minimum of actual plate shape and target flatness as targetSet up the board-shape control method of the AS-UCM type of a set of applicable skin pass rolling, by working roll left and right roller, an intermediate calender rolls left sideThe plate shapes such as right roller, upper intermediate roll shifting, lower intermediate roll shifting and the roller that inclines are controlled the Optimal Setting of parameter, have effectively solvedThe control problem of the asymmetric higher-order wave shape defect of common UCM type, has made up common UCM type because not configuring the cooling hand of segmentationSection and the plate shape of bringing is controlled geneogenous deficiency.

The present invention mainly comprises the following step of being carried out by computer:

(a) collection of basic equipment parameter, mainly comprises the diameter D of working roll, intermediate calender rolls, backing roll_w、D_m、D_b; WorkThe barrel length L of roller, intermediate calender rolls, backing roll_w、L_m、L_b; Working roll bending cylinder is apart from l_w; Intermediate calender rolls roll-bending cylinder is apart from l_m; Backing rollHousing screw centre-to-centre spacing l_b; The positive bending roller force of maximum that milling train allowsThe negative bending roller force of maximum that milling train allowsRollThe maximum roll shifting amount δ that machine allows_max; The decline roller amount η that milling train allows_max；

(b) the basic rolling technological parameter of collection ideal format product, mainly comprises thickness of strip h₀, width B, distortion is anti-Power k, roll-force P, mill speed v, percentage elongation ε, entrance mean tension T₀, outlet mean tension T₁；

(c) realization of the plate shape control device of the AS-UCM type milling train of skin pass rolling, mainly comprises following by computerThe step of carrying out:

C1) the left bending roller force process variables of given intermediate calender rolls S_ml, the right bending roller force process variables of intermediate calender rolls S_mr, on intermediate calender rolls, alterRoller amount process variables δ_s, roll shifting amount process variables δ under intermediate calender rolls_x, the initial value of the roller amount η that inclines, work roll bending power Optimal Step Size ΔS_w, intermediate calender rolls bending roller force Optimal Step Size Δ S_m, roll shifting amount Optimal Step Size Δ δ, the roller amount of inclining Optimal Step Size Δ η;

C2) calculating the left bending roller force of intermediate calender rolls is S_ml, the right bending roller force of intermediate calender rolls is S_mr, on intermediate calender rolls, roll shifting amount is δ_s, inBetween under roller roll shifting amount be δ_x, the left and right bending roller force S of the best working roll when roller amount of inclining is η_wlbest、S_wrbest, mainly comprise withThe step that can be carried out by computer down:

C2-1) the best roller computational process of definition working roll variable i_ws、j_ws, object function initial value F₀, a working roll left side is curvedRoller power S_wz, the right bending roller force of working roll is S_wy；

C2-2) make i_ws＝0，j_ws=0, get F₀＝10¹⁰；

C2-3) make the left bending roller force of working roll be

C2-4) make the right bending roller force of working roll be

C2-5) calculating the left bending roller force of intermediate calender rolls is S_ml, the right bending roller force of intermediate calender rolls is S_mr, on intermediate calender rolls, roll shifting amount is δ_s，Under intermediate calender rolls, roll shifting amount is δ_x, the roller amount of inclining is η, the left bending roller force of working roll is S_wz, the right bending roller force of working roll is S_wyTime band beforeTension distribution value σ_1i；

C2-6) calculate object function $F\left(X\right)=\frac{\max \left({\mathrm{\σ}}_{1i}\right)-\min \left({\mathrm{\σ}}_{1i}\right)}{T_1}$ Value;

C2-7) judge inequality F (X) < F₀Set up? if inequality is set up, make F₀＝F(X)、S_wlbest＝S_wz、S_wrbest＝S_wy, proceed to step c2-8); If inequality is false, directly proceed to step c2-8);

C2-8) judge inequalitySet up? if inequality is set up, make j_ws＝j_ws+ 1, turnEnter step c2-4), if inequality is false, proceed to step c2-9);

C2-9) judge inequalitySet up? if inequality is set up, make i_ws＝i_ws+1，Proceed to step c2-3), if inequality is false, proceed to step c2-10);

C2-10) obtain the left and right bending roller force S of working roll the best_wlbest、S_wrbest；

C3) calculating the left bending roller force of working roll is S_wlbest, the right bending roller force of working roll is S_wrbest, on intermediate calender rolls, roll shifting amount isδ_s, under intermediate calender rolls, roll shifting amount is δ_x, the left and right bending roller force S of the best intermediate calender rolls when roller amount of inclining is η_mlbest、S_mrbest, mainly bagDraw together the following step that can be carried out by computer:

C3-1) the best bending roller force computational process of definition intermediate calender rolls variable i_ms、j_ms, the left bending roller force S of intermediate calender rolls_mz, the intermediate calender rolls right sideBending roller force is S_my；

C3-2) make i_ms＝0，j_ms＝0；

C3-3) make the left bending roller force of intermediate calender rolls

C3-4) make the right bending roller force of intermediate calender rolls

C3-5) calculating the left bending roller force of intermediate calender rolls is S_mz, the right bending roller force of intermediate calender rolls is S_my, on intermediate calender rolls, roll shifting amount is δ_s，Under intermediate calender rolls, roll shifting amount is δ_x, the roller amount of inclining is η, the left bending roller force of working roll is S_wlbest, the right bending roller force of working roll is S_wrbestIn time, is withThe forward pull Distribution Value σ of material_1i；

C3-6) calculate object function $F\left(X\right)=\frac{\max \left({\mathrm{\&sigma;}}_{1i}\right)-\min \left({\mathrm{\&sigma;}}_{1i}\right)}{T_1}$ Value;

C3-7) judge inequality F (X) < F₀Set up? if inequality is set up, make F₀＝F(X)、S_mlbest＝S_mz、S_mrbest＝S_my, proceed to step c3-8); If inequality is false, directly proceed to step c3-8);

C3-8) judge inequalitySet up? if inequality is set up, make j_ms＝j_ms+ 1, turnEnter step c3-4), if inequality is false, proceed to step c3-9);

C3-9) judge inequalitySet up? if inequality is set up, make i_ms＝i_ms+ 1, turnEnter step c3-3), if inequality is false, proceed to step c3-10);

C3-10) obtain the left and right bending roller force S of intermediate calender rolls the best_mlbest、S_mrbest；

C4) calculating the left bending roller force of working roll is S_wlbest, the right bending roller force of working roll is S_wrbest, the left bending roller force of intermediate calender rolls isS_mlbest, the right bending roller force of intermediate calender rolls is S_mrbest, the upper and lower roll shifting amount of the best intermediate calender rolls δ when roller amount of inclining is η_sbest、δ_xbest, mainComprise the following step that can be carried out by computer:

C4-1) the best roll shifting amount of definition intermediate calender rolls calculating process parameter i_δ、j_δ, roll shifting amount δ on intermediate calender rolls_s', under intermediate calender rollsRoll shifting amount δ_x′；

C4-2) make i_δ＝0，j_δ＝0；

C4-3) make roll shifting amount δ on intermediate calender rolls_s′＝-δ_max+i_δΔδ；

C4-4) make roll shifting amount δ under intermediate calender rolls_x′＝-δ_max+j_δΔδ；

C4-5) calculating the left bending roller force of intermediate calender rolls is S_mlbest, the right bending roller force of intermediate calender rolls is S_mrbest, roll shifting amount on intermediate calender rollsFor δ_s', under intermediate calender rolls, roll shifting amount is δ_x', the roller amount of inclining is η, the left bending roller force of working roll is S_wlbest, the right bending roller force of working roll isS_wrbestTime band forward pull Distribution Value σ_1i；

C4-6) calculate object function $F\left(X\right)=\frac{\max \left({\mathrm{\&sigma;}}_{1i}\right)-\min \left({\mathrm{\&sigma;}}_{1i}\right)}{T_1}$ Value;

C4-7) judge inequality F (X) < F₀Set up? if inequality is set up, make F₀＝F(X)、δ_sbest＝δ_s′、δ_xbest＝δ_x', proceed to step c4-8); If inequality is false, directly proceed to step c4-8);

C4-8) judge inequalitySet up? if inequality is set up, make j_δ＝j_δ+ 1, proceed to stepC4-4),, if inequality is false, proceed to step c4-9);

C4-9) judge inequalitySet up? if inequality is set up, make i_δ＝i_δ+ 1, proceed to stepC4-3),, if inequality is false, proceed to step c4-10);

C4-10) draw the upper and lower roll shifting amount δ of intermediate calender rolls the best_sbest、δ_xbest；

C5) calculating the left bending roller force of working roll is S_wlbest, the right bending roller force of working roll is S_wrbest, the left bending roller force of intermediate calender rolls isS_mlbest, the right bending roller force of intermediate calender rolls is S_mrbest, on intermediate calender rolls, roll shifting amount is δ_sbest, under intermediate calender rolls, roll shifting amount is δ_xbestTimeThe good roller amount of inclining η_best, mainly comprise the following step that can be carried out by computer:

C5-1) definition the best roller amount calculating process parameter i that inclines_η, the roller amount of inclining η ';

C5-2) make i_η＝0；

C5-3) making the roller amount of inclining is η '=-η_max+i_ηΔη；

C5-4) calculating the left bending roller force of working roll is S_wlbest, the right bending roller force of working roll is S_wrbest, the left bending roller force of intermediate calender rollsFor S_mlbest, the right bending roller force of intermediate calender rolls is S_mrbest, on intermediate calender rolls, roll shifting amount is δ_sbest, under intermediate calender rolls, roll shifting amount is δ_xbest, roller inclinesAmount is the forward pull Distribution Value σ of η ' time band_1i；

C5-5) calculate object function $F\left(X\right)=\frac{\max \left({\mathrm{\&sigma;}}_{1i}\right)-\min \left({\mathrm{\&sigma;}}_{1i}\right)}{T_1}$ Value;

C5-6) judge inequality F (X) < F₀Set up? if inequality is set up, make F₀＝F(X)、η_best=η ', turnsEnter step c5-7); If inequality is false, directly proceed to step c5-7);

C5-7) judge inequalitySet up? if inequality is set up, make i_η＝i_η+ 1, then proceed to stepRapid c5-3); If inequality is false, proceed to step c5-8);

C5-8) obtain the best roller amount η that inclines_best；

C6) judge inequality

$\sqrt{{({\mathrm{\&delta;}}_s-{\mathrm{\&delta;}}_{\mathrm{sbest}})}^2+{({\mathrm{\&delta;}}_x-{\mathrm{\&delta;}}_{\mathrm{xbest}})}^2+{\left({S_{\mathrm{ml}}-S}_{\mathrm{mlbest}}\right)}^2+{(S_{\mathrm{mr}}-S_{\mathrm{mrbest}})}^2+{(S_{\mathrm{wl}}-S_{\mathrm{wlbest}})}^2+{(S_{\mathrm{wl}}-S_{\mathrm{wlbest}})}^2}<0.001$ Set up? if inequality is false, make δ_s＝δ_sbest、δ_x＝δ_xbest、S_ml＝S_mlbest、S_mr＝S_mrbest、S_wl＝S_wlbest、S_wr＝S_wrbest、η＝η_bestProceed to c2) locate; If setting up, inequality proceeds to c7);

C7) the left bending roller force S of output best effort roller_wlbest, the right bending roller force S of working roll_wrbest, the left bending roller force of intermediate calender rollsS_mlbest, the right bending roller force S of intermediate calender rolls_mrbest, roll shifting amount δ on intermediate calender rolls_sbest, roll shifting amount δ under intermediate calender rolls_xbest, the roller amount of inclining η_bestRightAS-UCM planisher carries out asymmetric higher-order wave shape control.

The present invention compared with prior art tool has the following advantages and effect:

The control problem that has effectively solved the asymmetric higher-order wave shape defect of common UCM type, has greatly improved finished productWith the strip shape quality of steel, there is popularizing value widely.

Brief description of the drawings

Fig. 1 is overall calculation flow chart of the present invention;

Fig. 2 is work roll bending power Optimizing Flow figure of the present invention;

Fig. 3 is intermediate calender rolls bending roller force Optimizing Flow figure of the present invention;

Fig. 4 is intermediate roll shifting amount Optimizing Flow figure of the present invention;

Fig. 5 is the present invention roller amount Optimizing Flow figure that inclines;

Fig. 6 is the toe-out stress envelope in the embodiment of the present invention 1 optimizing process;

Fig. 7 is the plate shape value comparison diagram after the embodiment of the present invention 1 is optimized;

Fig. 8 is the toe-out stress envelope in the embodiment of the present invention 2 optimizing process;

Fig. 9 is the plate shape value comparison diagram after the embodiment of the present invention 2 is optimized.

Detailed description of the invention

Embodiment 1

Taking the supplied materials trade mark as MRT-4CA, specification is example as 0.25mm × 950mm, resistance of deformation as the band steel of 300MPa, asShown in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the plate shape means control on specific six roller AS-UCM type milling trains with steel is describedJourney and setting result and relevant effect.

(a) collection of basic equipment parameter, mainly comprises the diameter D of working roll, intermediate calender rolls, backing roll_w＝420mm、D_m＝450mm、D_b=1110mm; The barrel length L of working roll, intermediate calender rolls, backing roll_w＝1200mm、L_m＝1310mm、L_b＝1310mm; Working roll bending cylinder is apart from l_w=2300mm; Intermediate calender rolls roll-bending cylinder is apart from l_m=2300mm; In backing roll housing screwThe heart is apart from l_b=2300mm; The positive bending roller force of maximum that milling train allowsThe negative bending roller force of maximum that milling train allowsThe maximum roll shifting amount δ that milling train allows_max=200mm; The decline roller amount η that milling train allows_max＝150μm；

(b) the basic rolling technological parameter of collection ideal format product, mainly comprises thickness of strip h₀=0.25mm, widthB=950mm, resistance of deformation k=300MPa, roll-force P=4000KN, mill speed v=1235m/min, percentage elongation ε=0.196, entrance mean tension T₀=120MPa, outlet mean tension T₁＝80MPa；

(c) realization of the plate shape control device of the AS-UCM type milling train of skin pass rolling, mainly comprise following can be by calculatingThe step that machine is carried out:

First, in step (1), the left bending roller force process variables of given intermediate calender rolls S_ml=0KN, the right bending roller force process of intermediate calender rollsVariable S_mr=0KN, roll shifting amount process variables δ on intermediate calender rolls_s=0mm, roll shifting amount process variables δ under intermediate calender rolls_x=0mm, roller inclinesThe initial value of amount η=0mm, work roll bending power Optimal Step Size Δ S_w=1KN, intermediate calender rolls bending roller force Optimal Step Size Δ S_m＝1KN，Roll shifting amount Optimal Step Size Δ δ=1mm, the roller amount of inclining Optimal Step Size Δ η=2 μ m;

Subsequently, in step (2), calculating the left bending roller force of intermediate calender rolls is S_ml=0KN, the right bending roller force of intermediate calender rolls is S_mr＝0KN, on intermediate calender rolls, roll shifting amount is δ_s=0mm, under intermediate calender rolls, roll shifting amount is δ_x=0mm, the best work when roller amount of inclining is η=0mmMake the left and right bending roller force S of roller_wlbest、S_wrbest, mainly comprise the following step that can be carried out by computer:

First, in step (2-1), the best roller computational process of definition working roll variable i_ws、j_ws, object function is initialValue F₀, the left bending roller force S of working roll_wz, the right bending roller force of working roll is S_wy；

Subsequently, in step (2-2), make i_ws＝0，j_ws=0, get F₀＝10¹⁰；

Subsequently, in step (2-3), make the left bending roller force of working roll be

$S_{\mathrm{wz}}=-S_{\max }^{-}+i_{\mathrm{ws}}{\mathrm{\&Delta;S}}_w=-500+0\&times;1=-500\mathrm{KN};$

Subsequently, in step (2-4), make the right bending roller force of working roll be

$S_{\mathrm{wy}}=-S_{\max }^{-}+j_{\mathrm{ws}}{\mathrm{\&Delta;S}}_w=-500+0\&times;1=-500\mathrm{KN};$

Subsequently, in step (2-5), calculating the left bending roller force of intermediate calender rolls is S_ml=0KN, the right bending roller force of intermediate calender rolls is S_mr=0KN, on intermediate calender rolls, roll shifting amount is δ_s=0mm, under intermediate calender rolls, roll shifting amount is δ_x=0mm, the roller amount of inclining is η=0 μ m, a working roll left sideBending roller force is S_wz=-500KN, the right bending roller force of working roll is S_wyThe forward pull Distribution Value σ of band when=-500KN_1i, its distribution feelingsCondition is as shown in Fig. 6-a;

Subsequently, in step (2-6), calculate object function

$F\left(X\right)=\frac{\max \left({\mathrm{\&sigma;}}_{1i}\right)-\min \left({\mathrm{\&sigma;}}_{1i}\right)}{T_1}=\frac{78.98-19.99}{80}=0.7373;$

Subsequently, in step (2-7), judge inequality F (X)=0.7373 < F₀＝10¹⁰Set up, make F₀＝F(X)＝0.7373、S_wlbest＝S_wz＝-500KN、S_wrbest＝S_wy=-500KN, proceeds to step (2-8);

Subsequently, in step (2-8), judge inequality $j_{\mathrm{ws}}=0<\frac{S_{\max }^{+}+S_{\max }^{-}}{{\mathrm{\&Delta;S}}_w}=\frac{500+500}{1}=1000$ Set up,Make j_ws＝j_ws+ 1=0+1=1, proceeds to step (2-4);

Subsequently, in step (2-9), judge inequality $i_{\mathrm{ws}}=0<\frac{S_{\max }^{+}+S_{\max }^{-}}{{\mathrm{\&Delta;S}}_w}=\frac{500+500}{1}=1000$ Set up,Make i_ws＝i_ws+ 1=0+1=1, proceeds to step (2-3);

Subsequently, in step (2-10), obtain the left and right bending roller force S of working roll the best_wlbest＝390KN、S_wrbest＝490KN；

Subsequently, in step (3), calculating the left bending roller force of working roll is S_wlbest=390KN, the right bending roller force of working roll isS_wrbest=490KN, on intermediate calender rolls, roll shifting amount is δ_s=0mm, under intermediate calender rolls, roll shifting amount is δ_x=0mm, when the roller amount of inclining is η=0 μ mThe left and right bending roller force S of best intermediate calender rolls_mlbest、S_mrbest, mainly comprise the following step that can be carried out by computer:

Subsequently, in step (3-1), the best bending roller force computational process of definition intermediate calender rolls variable i_ms、j_ms, an intermediate calender rolls left side is curvedRoller power S_mz, the right bending roller force of intermediate calender rolls is S_my；

Subsequently, in step (3-2), make i_ms＝0，j_ms＝0；

Subsequently, in step (3-3), make the left bending roller force of intermediate calender rolls

$S_{\mathrm{mz}}=-S_{\max }^{-}+i_{\mathrm{ms}}{\mathrm{\&Delta;S}}_m=-500+0\&times;1=-500\mathrm{KN};$

Subsequently, in step (3-4), make the right bending roller force of intermediate calender rolls

$S_{\mathrm{my}}=-S_{\max }^{-}+j_{\mathrm{ms}}{\mathrm{\&Delta;S}}_m=-500+0\&times;1=-500\mathrm{KN};$

Subsequently, in step (3-5), calculating the left bending roller force of intermediate calender rolls is S_mz=-500KN, the right bending roller force of intermediate calender rolls isS_my=-500KN, on intermediate calender rolls, roll shifting amount is δ_s=0mm, under intermediate calender rolls, roll shifting amount is δ_x=0mm, the roller amount of inclining is η=0 μ m, workMaking the left bending roller force of roller is S_wlbest=390KN, the right bending roller force of working roll is S_wrbestThe forward pull Distribution Value σ of band when=490KN_1iσ_1i, its distribution situation is as shown in Fig. 6-b;

Subsequently, in step (3-6), calculate object function

$F\left(X\right)=\frac{\max \left({\mathrm{\&sigma;}}_{1i}\right)-\min \left({\mathrm{\&sigma;}}_{1i}\right)}{T_1}=\frac{74.65-33.48}{80}=0.515;$

Subsequently, in step (3-7), inequality F (X)=0.515 < F₀＝10¹⁰Set up, make F₀＝F(X)＝0.515、S_mlbest＝S_mz＝-500KN、S_mrbest＝S_my=-500KN, proceeds to step (3-8);

Subsequently, in step (3-8), inequality $j_{\mathrm{ms}}=0<\frac{S_{\max }^{+}+S_{\max }^{-}}{{\mathrm{\&Delta;S}}_m}=\frac{500+500}{1}=1000$ Set up, orderj_ms＝j_ms+ 1=0+1=1, proceeds to step (3-4);

Subsequently, in step (3-9), inequality $i_{\mathrm{ms}}=0<\frac{S_{\max }^{+}+S_{\max }^{-}}{{\mathrm{\&Delta;S}}_m}=\frac{500+500}{1}=1000$ Set up, orderi_ms＝i_ms+ 1=0+1=1, proceeds to step (3-3);

Subsequently, in step (3-10), obtain the left and right bending roller force S of intermediate calender rolls the best_mlbest＝410KN、S_mrbest＝430KN；

Subsequently, in step (4), calculating the left bending roller force of working roll is S_wlbest=390KN, the right bending roller force of working roll isS_wrbest=490KN, the left bending roller force of intermediate calender rolls is S_mlbest=410KN, the right bending roller force of intermediate calender rolls is S_mrbest=430KN, the roller amount of incliningThe upper and lower roll shifting amount of best intermediate calender rolls δ during for η=0 μ m_sbest、δ_xbest, mainly comprise the following step that can be carried out by computerRapid:

Subsequently, in step (4-1), the best roll shifting amount of definition intermediate calender rolls calculating process parameter i_δ、j_δ, roll shifting on intermediate calender rollsAmount δ_s', roll shifting amount δ under intermediate calender rolls_x′；

Subsequently, in step (4-2), make i_δ＝0，j_δ＝0；

Subsequently, in step (4-3), make roll shifting amount on intermediate calender rolls

δ_s′＝-δ_max+i_δΔδ＝-200+0×1＝-200mm；

Subsequently, in step (4-4), make roll shifting amount under intermediate calender rolls

δ_x′＝-δ_max+j_δΔδ＝-200+0×1＝-200mm；

Subsequently, in step (4-5), calculating the left bending roller force of intermediate calender rolls is S_mlbest=410KN, the right bending roller force of intermediate calender rollsFor S_mrbest=430KN, on intermediate calender rolls, roll shifting amount is δ_sThe 200mm of '=-, under intermediate calender rolls, roll shifting amount is δ_xThe 200mm of '=-, the roller amount of incliningFor η=0 μ m, the left bending roller force of working roll is S_wlbest=390KN, the right bending roller force of working roll is S_wrbestWhen=490KN band beforeTension distribution value σ_1i, its distribution situation is as shown in Fig. 6-c;

Subsequently, in step (4-6), calculate object function

$F\left(X\right)=\frac{\max \left({\mathrm{\&sigma;}}_{1i}\right)-\min \left({\mathrm{\&sigma;}}_{1i}\right)}{T_1}=\frac{76.54-40.30}{80}=0.453;$

Subsequently, in step (4-7), inequality F (X)=0.453 < F₀＝10¹⁰Set up, make F₀＝F(X)＝0.453、δ_sbest＝δ_s′＝-200mm、δ_xbest＝δ_xThe 200mm of '=-, proceeds to step (4-8);

Subsequently, in step (4-8), inequalitySet up, make j_δ＝j_δ+1=0+1=1, proceeds to step (4-4);

Subsequently, in step (4-9), inequalitySet up, make i_δ＝i_δ+1＝0+1=1, proceeds to step (4-3);

Subsequently, in step (4-10), draw the upper and lower roll shifting amount δ of intermediate calender rolls the best_sbest＝10mm、δ_xbest＝-10mm；

Subsequently, in step (5), calculating the left bending roller force of working roll is S_wlbest=390KN, the right bending roller force of working roll isS_wrbest=490KN, the left bending roller force of intermediate calender rolls is S_mlbest=410KN, the right bending roller force of intermediate calender rolls is S_mrbest=430KN, intermediate calender rollsUpper roll shifting amount is δ_sbest=10mm, under intermediate calender rolls, roll shifting amount is δ_xbestThe best roller amount of inclining η when=-10mm_best, mainly compriseThe step that below can be carried out by computer:

Subsequently, in step (5-1), definition the best roller amount calculating process parameter i that inclines_η, the roller amount of inclining η ';

Subsequently, in step (5-2), make i_η＝0；

Subsequently, in step (5-3), making the roller amount of inclining is η '=-η_max+i_ηΔη＝-150+0×2＝-150μm；

Subsequently, in step (5-4), calculating the left bending roller force of working roll is S_wlbest=390KN, the right bending roller force of working rollFor S_wrbest=490KN, the left bending roller force of intermediate calender rolls is S_mlbest=410KN, the right bending roller force of intermediate calender rolls is S_mrbest=430KN, centreOn roller, roll shifting amount is δ_sbest=10mm, under intermediate calender rolls, roll shifting amount is δ_xbest=-10mm, band when the roller amount of inclining is η '=-150 μ mForward pull Distribution Value σ_1i, its distribution situation is as shown in Fig. 6-d;

Subsequently, in step (5-5), calculate object function

$F\left(X\right)=\frac{\max \left({\mathrm{\&sigma;}}_{1i}\right)-\min \left({\mathrm{\&sigma;}}_{1i}\right)}{T_1}=\frac{77.78-43.72}{80}=0.426;$

Subsequently, in step (5-6), inequality F (X)=0.426 < F₀＝10¹⁰Set up, make F₀＝F(X)＝0.426、η_best=η '=-150 μ m, proceeds to step (5-7);

Subsequently, in step (5-7), inequalitySet up, make i_η＝i_η+1＝0+ 1=1, then proceeds to step (5-3);

Subsequently, in step (5-8), obtain the best roller amount η that inclines_best＝-10μm；

Subsequently, in step (6), judge inequality

Be false, make δ_s＝δ_sbest＝10mm、δ_x＝δ_xbest＝-10mm、S_ml＝S_mlbest＝410KN、S_mr＝S_mrbest＝430KN、S_wl＝S_wlbest＝390KN、S_wr＝S_wrbest＝490KN、η＝η_best=-10 μ m proceed to step (2) and locate;

Finally, in step (7), try to achieve the left bending roller force S of best effort roller_wlbest=371KN, the right bending roller force of working rollS_wrbest=465KN, the left bending roller force S of intermediate calender rolls_mlbest=401KN, the right bending roller force S of intermediate calender rolls_mrbest=411KN, alters on intermediate calender rollsRoller amount δ_sbest=26mm, roll shifting amount δ under intermediate calender rolls_xbest=-30mm, the roller amount of inclining η_best＝-21μm。

Finally, for relatively convenient, list respectively the board-shape control method that adopts AS-UCM type milling train of the present inventionProduction board shape when the asymmetric complex wave of high order control separately with the board-shape control method that adopts traditional UCM type milling trainCross direction profiles situation, and the actual effect contrast of being correlated with is as follows:

As shown in Figure 7, Fig. 7-a is the plate shape distribution map that does not add control device; Fig. 7-b is for adopting the control of common UCM planisherBest plate shape distribution map after system; Fig. 7-c adopts after the board-shape control method of AS-UCM type milling train of the present inventionGood plate shape distribution map. As seen in Figure 7, compared with the board-shape control method of common UCM type milling train, adopt institute of the present inventionThe board-shape control method of stating, exit plate shape drops to 10.8I from 17.5I, has declined 38.3%. Explanation adopts of the present invention thusThe board-shape control method of AS-UCM type milling train has improved strip shape quality greatly.

Embodiment 2

Taking the supplied materials trade mark as EDDQ, specification is example as 0.30mm × 850mm, resistance of deformation as the band steel of 310MPa, enters oneStep is described the plate shape means control procedure on specific six roller AS-UCM type milling trains and setting result and relevant effect with steel.

(a) collection of basic equipment parameter, mainly comprises the diameter D of working roll, intermediate calender rolls, backing roll_w＝420mm、D_m＝450mm、D_b=1110mm; The barrel length L of working roll, intermediate calender rolls, backing roll_w＝1200mm、L_m＝1310mm、L_b＝1310mm; Working roll bending cylinder is apart from l_w=2300mm; Intermediate calender rolls roll-bending cylinder is apart from l_m=2300mm; In backing roll housing screwThe heart is apart from l_b=2300mm; The positive bending roller force of maximum that milling train allowsThe negative bending roller force of maximum that milling train allowsThe maximum roll shifting amount δ that milling train allows_max=200mm; The decline roller amount η that milling train allows_max＝150μm；

(b) the basic rolling technological parameter of collection ideal format product, mainly comprises thickness of strip h₀=0.30mm, widthB=850mm, resistance of deformation k=310MPa, roll-force P=5000KN, mill speed v=1100m/min, percentage elongation ε=0.213, entrance mean tension T₀=110MPa, outlet mean tension T₁＝90MPa；

(c) realization of the plate shape control device of the AS-UCM type of skin pass rolling, mainly comprises following can being held by computerThe step of row:

First, in step (1), the left bending roller force process variables of given intermediate calender rolls S_ml=0KN, the right bending roller force process of intermediate calender rollsVariable S_mr=0KN, roll shifting amount process variables δ on intermediate calender rolls_s=0mm, roll shifting amount process variables δ under intermediate calender rolls_x=0mm, roller inclinesThe initial value of amount η=0mm, work roll bending power Optimal Step Size Δ S_w=1KN, intermediate calender rolls bending roller force Optimal Step Size Δ S_m＝1KN，Roll shifting amount Optimal Step Size Δ δ=5mm, the roller amount of inclining Optimal Step Size Δ η=2 μ m;

Subsequently, in step (2), calculating the left bending roller force of intermediate calender rolls is S_ml=0KN, the right bending roller force of intermediate calender rolls is S_mr＝0KN, on intermediate calender rolls, roll shifting amount is δ_s=0mm, under intermediate calender rolls, roll shifting amount is δ_x=0mm, the best work when roller amount of inclining is η=0mmMake the left and right bending roller force S of roller_wlbest、S_wrbest, mainly comprise the following step that can be carried out by computer:

First, in step (2-1), the best roller computational process of definition working roll variable i_ws、j_ws, object function is initialValue F₀, the left bending roller force S of working roll_wz, the right bending roller force of working roll is S_wy；

Subsequently, in step (2-2), make i_ws＝0，j_ws=0, get F₀＝10¹⁰；

Subsequently, in step (2-3), make the left bending roller force of working roll be

$S_{\mathrm{wz}}=-S_{\max }^{-}+i_{\mathrm{ws}}{\mathrm{\&Delta;S}}_w=-500+0\&times;1=-500\mathrm{KN};$

Subsequently, in step (2-4), make the right bending roller force of working roll be

$S_{\mathrm{wy}}=-S_{\mathrm{wax}}^{-}+j_{\mathrm{ws}}{\mathrm{\&Delta;S}}_w=-500+0\&times;1=-500\mathrm{KN};$

Subsequently, in step (2-5), calculating the left bending roller force of intermediate calender rolls is S_ml=0KN, the right bending roller force of intermediate calender rolls is S_mr=0KN, on intermediate calender rolls, roll shifting amount is δ_s=0mm, under intermediate calender rolls, roll shifting amount is δ_x=0mm, the roller amount of inclining is η=0 μ m, a working roll left sideBending roller force is S_wz=-500KN, the right bending roller force of working roll is S_wyThe forward pull Distribution Value σ of band when=-500KN_1i, its distribution feelingsCondition is as shown in Fig. 8-a;

Subsequently, in step (2-6), calculate object function

$F\left(X\right)=\frac{\max \left({\mathrm{\&sigma;}}_{1i}\right)-\min \left({\mathrm{\&sigma;}}_{1i}\right)}{T_1}=\frac{74.92-32.79}{80}=0.527;$

Subsequently, in step (2-7), judge inequality F (X)=0.527 < F₀＝10¹⁰Set up, make F₀＝F(X)＝0.527、S_wlbest＝S_wz＝-500KN、S_wrbest＝S_wy=-500KN, proceeds to step (2-8);

Subsequently, in step (2-8), judge inequality $j_{\mathrm{ws}}=0<\frac{S_{\max }^{+}+S_{\max }^{-}}{{\mathrm{\&Delta;S}}_w}=\frac{500+500}{1}=1000$ Set up,Make j_ws＝j_ws+ 1=0+1=1, proceeds to step (2-4);

Subsequently, in step (2-9), judge inequality $i_{\mathrm{ws}}=0<\frac{S_{\max }^{+}+S_{\max }^{-}}{{\mathrm{\&Delta;S}}_w}=\frac{500+500}{1}=1000$ Set up,Make i_ws＝i_ws+ 1=0+1=1, proceeds to step (2-3);

Subsequently, in step (2-10), obtain the left and right bending roller force S of working roll the best_wlbest＝310KN、S_wrbest＝460KN；

Subsequently, in step (3), calculating the left bending roller force of working roll is S_wlbest=310KN, the right bending roller force of working roll isS_wrbest=460KN, on intermediate calender rolls, roll shifting amount is δ_s=0mm, under intermediate calender rolls, roll shifting amount is δ_x=0mm, when the roller amount of inclining is η=0 μ mThe left and right bending roller force S of best intermediate calender rolls_mlbest、S_mrbest, mainly comprise the following step that can be carried out by computer:

Subsequently, in step (3-1), the best bending roller force computational process of definition intermediate calender rolls variable i_ms、j_ms, an intermediate calender rolls left side is curvedRoller power S_mz, the right bending roller force of intermediate calender rolls is S_my；

Subsequently, in step (3-2), make i_ms＝0，j_ms＝0；

Subsequently, in step (3-3), make the left bending roller force of intermediate calender rolls

$S_{\mathrm{mz}}=-S_{\max }^{-}+i_{\mathrm{ms}}{\mathrm{\&Delta;S}}_m=-500+0\&times;1=-500\mathrm{KN};$

Subsequently, in step (3-4), make the right bending roller force of intermediate calender rolls

$S_{\mathrm{my}}=-S_{\max }^{-}+j_{\mathrm{ms}}{\mathrm{\&Delta;S}}_m=-500+0\&times;1=-500\mathrm{KN};$

Subsequently, in step (3-5), calculating the left bending roller force of intermediate calender rolls is S_mz=-500KN, the right bending roller force of intermediate calender rolls isS_my=-500KN, on intermediate calender rolls, roll shifting amount is δ_s=0mm, under intermediate calender rolls, roll shifting amount is δ_x=0mm, the roller amount of inclining is η=0 μ m, workMaking the left bending roller force of roller is S_wlbest=310KN, the right bending roller force of working roll is S_wrbestThe forward pull Distribution Value σ of band when=460KN_1iσ_1i, its distribution situation is as accompanying drawing 8-b;

Subsequently, in step (3-6), calculate object function

$F\left(X\right)=\frac{\max \left({\mathrm{\&sigma;}}_{1i}\right)-\min \left({\mathrm{\&sigma;}}_{1i}\right)}{T_1}=\frac{72.97-39.22}{80}=0.434;$

Subsequently, in step (3-7), inequality F (X)=0.434 < F₀＝10¹⁰Set up, make F₀＝F(X)＝0.434、S_mlbest＝S_mz＝-500KN、S_mrbest＝S_my=-500KN, proceeds to step (3-8);

Subsequently, in step (3-8), inequality $j_{\mathrm{ms}}=0<\frac{S_{\max }^{+}+S_{\max }^{-}}{{\mathrm{\&Delta;S}}_m}=\frac{500+500}{1}=1000$ Set up, orderj_ms＝j_ms+ 1=0+1=1, proceeds to step (3-4);

Subsequently, in step (3-9), inequality $i_{\mathrm{ms}}=0<\frac{S_{\max }^{+}+S_{\max }^{-}}{{\mathrm{\&Delta;S}}_m}=\frac{500+500}{1}=1000$ Set up, orderi_ms＝i_ms+ 1=0+1=1, proceeds to step (3-3);

Subsequently, in step (3-10), obtain the left and right bending roller force S of intermediate calender rolls the best_mlbest＝380KN、S_mrbest＝400KN；

Subsequently, in step (4), calculating the left bending roller force of working roll is S_wlbest=310KN, the right bending roller force of working roll isS_wrbest=460KN, the left bending roller force of intermediate calender rolls is S_mlbest=380KN, the right bending roller force of intermediate calender rolls is S_mrbest=400KN, the roller amount of incliningThe upper and lower roll shifting amount of best intermediate calender rolls δ during for η=0 μ m_sbest、δ_xbest, mainly comprise the following step that can be carried out by computerRapid:

Subsequently, in step (4-1), the best roll shifting amount of definition intermediate calender rolls calculating process parameter i_δ、j_δ, roll shifting on intermediate calender rollsAmount δ_s', roll shifting amount δ under intermediate calender rolls_x′；

Subsequently, in step (4-2), make i_δ＝0，j_δ＝0；

Subsequently, in step (4-3), make roll shifting amount on intermediate calender rolls

δ_s′＝-δ_max+i_δΔδ＝-200+0×1＝-200mm；

Subsequently, in step (4-4), make roll shifting amount under intermediate calender rolls

δ_x′＝-δ_max+j_δΔδ＝-200+0×1＝-200mm；

Subsequently, in step (4-5), calculating the left bending roller force of intermediate calender rolls is S_mlbest=380KN, the right bending roller force of intermediate calender rollsFor S_mrbest=400KN, on intermediate calender rolls, roll shifting amount is δ_sThe 200mm of '=-, under intermediate calender rolls, roll shifting amount is δ_xThe 200mm of '=-, the roller amount of incliningFor η=0 μ m, the left bending roller force of working roll is S_wlbest=310KN, the right bending roller force of working roll is S_wrbestWhen=460KN band beforeTension distribution value σ_1i, its distribution situation is as shown in Fig. 8-c;

Subsequently, in step (4-6), calculate object function

$F\left(X\right)=\frac{\max \left({\mathrm{\&sigma;}}_{1i}\right)-\min \left({\mathrm{\&sigma;}}_{1i}\right)}{T_1}=\frac{72.48-40.82}{80}=0.396;$

Subsequently, in step (4-7), inequality F (X)=0.396 < F₀＝10¹⁰Set up, make F₀＝F(X)＝0.396、δ_sbest＝δ_s′＝-200mm、δ_xbest＝δ_xThe 200mm of '=-, proceeds to step (4-8);

Subsequently, in step (4-8), inequalitySet up, make j_δ＝j_δ+1=0+1=1, proceeds to step (4-4);

Subsequently, in step (4-9), inequalitySet up, make i_δ＝i_δ+1＝0+1=1, proceeds to step (4-3);

Subsequently, in step (4-10), draw the upper and lower roll shifting amount δ of intermediate calender rolls the best_sbest＝5mm、δ_xbest＝-18mm；

Subsequently, in step (5), calculating the left bending roller force of working roll is S_wlbest=310KN, the right bending roller force of working roll isS_wrbest=460KN, the left bending roller force of intermediate calender rolls is S_mlbest=380KN, the right bending roller force of intermediate calender rolls is S_mrbest=400KN, intermediate calender rollsUpper roll shifting amount is δ_sbest=5mm, under intermediate calender rolls, roll shifting amount is δ_xbestThe best roller amount of inclining η when=-18mm_best, mainly compriseThe step that below can be carried out by computer:

Subsequently, in step (5-1), definition the best roller amount calculating process parameter i that inclines_η, the roller amount of inclining η ';

Subsequently, in step (5-2), make i_η＝0；

Subsequently, in step (5-3), making the roller amount of inclining is η '=-η_max+i_ηΔη＝-150+0×2＝-150μm；

Subsequently, in step (5-4), calculating the left bending roller force of working roll is S_wlbest=310KN, the right bending roller force of working rollFor S_wrbest=460KN, the left bending roller force of intermediate calender rolls is S_mlbest=380KN, the right bending roller force of intermediate calender rolls is S_mrbest=400KN, centreOn roller, roll shifting amount is δ_sbest=5mm, under intermediate calender rolls, roll shifting amount is δ_xbest=-18mm, band when the roller amount of inclining is η '=-150 μ mForward pull Distribution Value σ_1i, its distribution situation is as shown in Fig. 8-d;

Subsequently, in step (5-5), calculate object function

$F\left(X\right)=\frac{\max \left({\mathrm{\&sigma;}}_{1i}\right)-\min \left({\mathrm{\&sigma;}}_{1i}\right)}{T_1}=\frac{72.20-41.55}{80}=0.383;$

Subsequently, in step (5-6), inequality F (X)=0.383 < F₀＝10¹⁰Set up, make F₀＝F(X)＝0.383、η_best=η '=-150 μ m, proceeds to step (5-7);

Subsequently, in step (5-7), inequalitySet up, make i_η＝i_η+1＝0+ 1=1, then proceeds to step (5-3);

Subsequently, in step (5-8), obtain the best roller amount η that inclines_best＝-13μm；

Subsequently, in step (6), judge inequality

Be false, make δ_s＝δ_sbest＝5mm、δ_x＝δ_xbest＝-18mm、S_ml＝S_mlbest＝380KN、S_mr＝S_mrbest＝410KN、S_wl＝S_wlbest＝310KN、S_wr＝S_wrbest＝460KN、η＝η_best=-13 μ m proceed to step (2) and locate;

Finally, in step (7), try to achieve the left bending roller force S of best effort roller_wlbest=400KN, the right bending roller force of working rollS_wrbest=440KN, the left bending roller force Smlbest=385KN of intermediate calender rolls, the right bending roller force S of intermediate calender rolls_mrbest=423KN, on intermediate calender rollsRoll shifting amount δ_sbest=9mm, roll shifting amount δ under intermediate calender rolls_xbest=-12mm, the roller amount of inclining η_best＝-7μm。

Finally, for relatively convenient, list respectively the board-shape control method that adopts AS-UCM type milling train of the present inventionProduction board shape when the asymmetric complex wave of high order control separately with the board-shape control method that adopts traditional UCM type milling trainCross direction profiles situation, and the actual effect contrast of being correlated with is as follows:

As shown in Figure 9, Fig. 9-a is the plate shape distribution map that does not add control device; Fig. 9-b is for adopting the control of common UCM planisherBest plate shape distribution map after system; Fig. 9-c adopts after the board-shape control method of AS-UCM type milling train of the present inventionGood plate shape distribution map. As seen in Figure 9, compared with the board-shape control method of common UCM type milling train, adopt institute of the present inventionThe board-shape control method of stating, exit plate shape drops to 10.7I from 20.6I, has declined 48.1%. Explanation adopts of the present invention thusThe board-shape control method of AS-UCM type milling train has improved strip shape quality greatly.

Claims (1)

1. a board-shape control method that is suitable for the AS-UCM type milling train of skin pass rolling, is characterized in that: it mainly comprisesThe step of being carried out by computer below:

(a) collection of basic equipment parameter, mainly comprises the diameter D of working roll, intermediate calender rolls, backing roll_w、D_m、D_b; Working roll, inBetween the barrel length L of roller, backing roll_w、L_m、L_b; Working roll bending cylinder is apart from l_w; Intermediate calender rolls roll-bending cylinder is apart from l_m; Backing roll is depressedScrew centre-to-centre spacing l_b; The positive bending roller force of maximum that milling train allowsThe negative bending roller force of maximum that milling train allowsMilling train instituteThe maximum roll shifting amount δ allowing_max; The decline roller amount η that milling train allows_max；

(b) the basic rolling technological parameter of collection ideal format product, mainly comprises thickness of strip h₀, width B, resistance of deformation k,Roll-force P, mill speed v, percentage elongation ε, entrance mean tension T₀, outlet mean tension T₁；

(c) realization of the plate shape control device of the AS-UCM type milling train of skin pass rolling, mainly comprises following can being held by computerThe step of row:

C1) the left bending roller force process variables of given intermediate calender rolls S_ml, the right bending roller force process variables of intermediate calender rolls S_mr, roll shifting amount mistake on intermediate calender rollsCheng Bianliang δ_s, roll shifting amount process variables δ under intermediate calender rolls_x, the initial value of the roller amount η that inclines, work roll bending power Optimal Step Size Δ S_w, inBetween roll bending power Optimal Step Size Δ S_m, roll shifting amount Optimal Step Size Δ δ, the roller amount of inclining Optimal Step Size Δ η;

C2) calculating the left bending roller force of intermediate calender rolls is S_ml, the right bending roller force of intermediate calender rolls is S_mr, on intermediate calender rolls, roll shifting amount is δ_s, intermediate calender rollsLower roll shifting amount is δ_x, the left and right bending roller force S of the best working roll when roller amount of inclining is η_wlbest、S_wrbest, mainly comprise following canThe step of being carried out by computer:

C2-1) the best roller computational process of definition working roll variable i_ws、j_ws, object function initial value F₀, the left bending roller force of working rollS_wz, the right bending roller force of working roll is S_wy；

C2-2) make i_ws＝0，j_ws=0, get F₀＝10¹⁰；

C2-3) make the left bending roller force of working roll be

C2-4) make the right bending roller force of working roll be

C2-5) calculating the left bending roller force of intermediate calender rolls is S_ml, the right bending roller force of intermediate calender rolls is S_mr, on intermediate calender rolls, roll shifting amount is δ_s, centreUnder roller, roll shifting amount is δ_x, the roller amount of inclining is η, the left bending roller force of working roll is S_wz, the right bending roller force of working roll is S_wyTime band forward pullDistribution Value σ_1i；

C2-6) calculate object functionValue;

C2-7) judge inequality F (X) < F₀Set up? if inequality is set up, make F₀＝F(X)、S_wlbest＝S_wz、S_wrbest＝S_wy, proceed to step c2-8); If inequality is false, directly proceed to step c2-8);

C2-8) judge inequalitySet up? if inequality is set up, make j_ws＝j_ws+ 1, proceed to stepRapid c2-4), if inequality is false, proceed to step c2-9);

C2-9) judge inequalitySet up? if inequality is set up, make i_ws＝i_ws+ 1, proceed to stepRapid c2-3), if inequality is false, proceed to step c2-10);

C2-10) obtain the left and right bending roller force S of working roll the best_wlbest、S_wrbest；

C3) calculating the left bending roller force of working roll is S_wlbest, the right bending roller force of working roll is S_wrbest, on intermediate calender rolls, roll shifting amount is δ_s, inBetween under roller roll shifting amount be δ_x, the left and right bending roller force S of the best intermediate calender rolls when roller amount of inclining is η_mlbest、S_mrbest, mainly comprise withThe step that can be carried out by computer down:

C3-1) the best bending roller force computational process of definition intermediate calender rolls variable i_ms、j_ms, the left bending roller force S of intermediate calender rolls_mz, the right roller of intermediate calender rollsPower is S_my；

C3-2) make i_ms＝0，j_ms=0, get F₀＝10¹⁰；

C3-3) make the left bending roller force of intermediate calender rolls

C3-4) make the right bending roller force of intermediate calender rolls

C3-5) calculating the left bending roller force of intermediate calender rolls is S_mz, the right bending roller force of intermediate calender rolls is S_my, on intermediate calender rolls, roll shifting amount is δ_s, centreUnder roller, roll shifting amount is δ_x, the roller amount of inclining is η, the left bending roller force of working roll is S_wlbest, the right bending roller force of working roll is S_wrbestTime bandForward pull Distribution Value σ_1i；

C3-6) calculate object functionValue;

C3-7) judge inequality F (X) < F₀Set up? if inequality is set up, make F₀＝F(X)、S_mlbest＝S_mz、S_mrbest＝S_my, proceed to step c3-8); If inequality is false, directly proceed to step c3-8);

C3-8) judge inequalitySet up? if inequality is set up, make j_ms＝j_ms+ 1, proceed to stepRapid c3-4), if inequality is false, proceed to step c3-9);

C3-9) judge inequalitySet up? if inequality is set up, make i_ms＝i_ms+ 1, proceed to stepRapid c3-3), if inequality is false, proceed to step c3-10);

C3-10) obtain the left and right bending roller force S of intermediate calender rolls the best_mlbest、S_mrbest；

C4) calculating the left bending roller force of working roll is S_wlbest, the right bending roller force of working roll is S_wrbest, the left bending roller force of intermediate calender rolls isS_mlbest, the right bending roller force of intermediate calender rolls is S_mrbest, the upper and lower roll shifting amount of the best intermediate calender rolls δ when roller amount of inclining is η_sbest、δ_xbest, mainComprise the following step that can be carried out by computer:

C4-1) the best roll shifting amount of definition intermediate calender rolls calculating process parameter i_δ、j_δ, roll shifting amount δ on intermediate calender rolls_s', roll shifting under intermediate calender rollsAmount δ_x′；

C4-2) make i_δ＝0，j_δ=0, get F₀＝10¹⁰；

C4-3) make roll shifting amount δ on intermediate calender rolls_s′＝-δ_max+i_δΔδ；

C4-4) make roll shifting amount δ under intermediate calender rolls_x′＝-δ_max+j_δΔδ；

C4-5) calculating the left bending roller force of intermediate calender rolls is S_mlbest, the right bending roller force of intermediate calender rolls is S_mrbest, on intermediate calender rolls, roll shifting amount isδ_s', under intermediate calender rolls, roll shifting amount is δ_x', the roller amount of inclining is η, the left bending roller force of working roll is S_wlbest, the right bending roller force of working roll is S_wrbestTime band forward pull Distribution Value σ_1i；

C4-6) calculate object functionValue;

C4-7) judge inequality F (X) < F₀Set up? if inequality is set up, make F₀＝F(X)、δ_sbest＝δ_s′、δ_xbest＝δ_x', proceed to step c4-8); If inequality is false, directly proceed to step c4-8);

C4-8) judge inequalitySet up? if inequality is set up, make j_δ＝j_δ+ 1, proceed to step c4-4),, if inequality is false, proceed to step c4-9);

C4-9) judge inequalitySet up? if inequality is set up, make i_δ＝i_δ+ 1, proceed to step c4-3),, if inequality is false, proceed to step c4-10);

C4-10) draw the upper and lower roll shifting amount δ of intermediate calender rolls the best_sbest、δ_xbest；

C5) calculating the left bending roller force of working roll is S_wlbest, the right bending roller force of working roll is S_wrbest, the left bending roller force of intermediate calender rolls isS_mlbest, the right bending roller force of intermediate calender rolls is S_mrbest, on intermediate calender rolls, roll shifting amount is δ_sbest, under intermediate calender rolls, roll shifting amount is δ_xbestTimeThe good roller amount of inclining η_best, mainly comprise the following step that can be carried out by computer:

C5-1) definition the best roller amount calculating process parameter i that inclines_η, the roller amount of inclining η ';

C5-2) make i_η=0, get F₀＝10¹⁰；

C5-3) making the roller amount of inclining is η '=-η_max+i_ηΔη；

C5-4) calculating the left bending roller force of working roll is S_wlbest, the right bending roller force of working roll is S_wrbest, the left bending roller force of intermediate calender rolls isS_mlbest, the right bending roller force of intermediate calender rolls is S_mrbest, on intermediate calender rolls, roll shifting amount is δ_sbest, under intermediate calender rolls, roll shifting amount is δ_xbest, the roller amount of incliningFor the forward pull Distribution Value σ of η ' time band_1i；

C5-5) calculate object functionValue;

C5-6) judge inequality F (X) < F₀Set up? if inequality is set up, make F₀＝F(X)、η_best=η ', proceeds to stepRapid c5-7); If inequality is false, directly proceed to step c5-7);

C5-7) judge inequalitySet up? if inequality is set up, make i_η＝i_η+ 1, then proceed to stepC5-3); If inequality is false, proceed to step c5-8);

C5-8) obtain the best roller amount η that inclines_best；

C6) judge inequalitySet up? asFruit inequality is false and is made δ_s＝δ_sbest、δ_x＝δ_xbest、S_ml＝S_mlbest、S_mr＝S_mrbest、η＝η_bestProceed to c2) locate; IfInequality is set up and is proceeded to c7);

C7) the left bending roller force S of output best effort roller_wlbest, the right bending roller force S of working roll_wrbest, the left bending roller force S of intermediate calender rolls_mlbest, inBetween the right bending roller force S of roller_mrbest, roll shifting amount δ on intermediate calender rolls_sbest, roll shifting amount δ under intermediate calender rolls_xbest, the roller amount of inclining η_best, flat to AS-UCMComplete machine carries out asymmetric higher-order wave shape control.