TW201236778A - Control device and control method - Google Patents

Abstract

Provided is a control device that can properly continue the control of a hot-rolling device without changing the measured value abruptly even while one measuring instrument being switched to another measuring instrument, wherein the control device comprises multi-gauge 123 (first measuring part) for measuring a first process value, flatness gauge 127 (second measuring part) for measuring a second process value, malfunction detecting part 12 for detecting malfunction of multi-gauge 123 (first measuring part), process information storing part 2 for storing process information, learning item calculating part 13 for calculating learning item Z for modifying the second process value, learning item storing part 3 for storing learning item Z, modifying part 14 for generating modified sheet width value (modified process value), selecting part 15 for selecting the first process value existed before the malfunction being detected and the modified sheet width value (modified process value) existed after the malfunction being detected, and machine control part 16 for performing the control of rolling line in accordance with the selected process value and modified process value.

Description

201236778 VI. Description of the Invention: [Technical Field of the Invention] The present invention relates to a case where a barrier is used, a 钤诂 , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Control device and control method. Equipment and Control Method [Prior Art] In recent years, the demand for steel-based rolls has become more stringent, and high-quality product management is required. = Quality of the rolling equipment, the thickness of the material to be rolled, the width of the plate, and the second The management item of the hot roll and the winding temperature of the rolling mill, the values of the management items are respectively required to control the machine of the hot-rolling device for the predetermined management range. For example, the width of the material to be rolled, the width of the plate It is about 6 〇〇iftm to 2300 mm. In contrast, the plate width accuracy after finish rolling is required to be in the management range of 0 mm to 8 mm with respect to the target value. Further, the management width is a value required for the entire length of the rolled material in the longitudinal direction (transfer direction) with respect to the width of the sheet required for the finished product, and in this interval, the deviation is managed with respect to the target value. When the width becomes negative, the correction cannot be performed. Therefore, in order to perform quality management with high plate width accuracy without deviating from the management width, it is necessary to control by using a width correction means such as a slab sizing press and an edger (edger). . When the trimmer is used, the horizontal grinder is still used to thin the thickness of the plate. At this time, a trimming opportunity is used to generate a local deformation portion called a dog bone in the width direction end portion and a horizontal grinder pressing portion of the portion 4 323069

S 201236778 Causes deformation in the width direction or width expansion caused by a horizontal grinder. Further, the deformation difficulty (i.e., deformation resistance) of the rolled material also changes due to the temperature change in the rolling. Therefore, it is very difficult to calculate the plate width variation caused by the trimmer and the horizontal grinder correctly using the calculation model. Therefore, the main management point on the hot rolling device (rolling line) is provided with a width measuring device for measuring the width of the plate, and the board width measured by the width measuring device is used for precision management. There are many situations in which the computational model is studied. Patent Document 1 describes a method for controlling a plate width for correcting a target value of the exit side width of a finishing mill, and measuring width and predetermined winding obtained by a width measuring device disposed before a winding machine for rolling materials. The deviation value of the machine front width target value is equal to the width deviation value measured by the width measuring device disposed on the exit side of the finishing mill and the width deviation value of the predetermined mature finishing exit side width target value. (Prior Art Document) (Patent Document) Patent Document 1: Japanese Patent No. 3341622 [Disclosure] (Problems to be Solved by the Invention) Conventionally, since the measuring instrument is necessary for maintenance, it is the same on the rolling line. The situation where multiple detectors are set in position. But rarely, except in the case where the gauge itself is cheaper. However, in recent years, there have also been cases where a plurality of measuring instruments are provided and the measuring instruments are switched. For example, there is a width detector that detects an edge by a CCD camera with an amount of 5 323069 201236778, or a plurality of X-ray detectors disposed in the width direction of the board to perform edge detection from the X-ray transmission amount. A width measuring device such as a width measuring device and measuring the width of the measuring device, and switching the use of these measuring devices. However, because of the different measurement methods of the width measurer, the measured board width values will be different. Further, depending on the configuration of the production line, there is a case where a plurality of wide-scale measuring instruments having the same measurement method are disposed at the same or close quality management points such as the exit side of the finishing mill. For example, there is also a first width measuring device that is used as a common system (mainly), and a second width measuring device that is used as a very useful system (standby), and when the first width measuring device fails, Continue to measure the width by switching to the second width gauge. However, the first width measuring device and the second width measuring device of the measuring device belonging to the same measuring method have a measured value even when testing the same measuring object point of the rolled material. Different situations. This can be presumed to be: Because the measurement points are slightly deviated, the measurement points are also different; and the measurement device itself has individual differences. These situations are called machine differences. When there is such a difference, in the case of the failure of the first width measuring device, even if it is switched to the second width measuring device, it is conceivable that the measured value has a different situation. Therefore, since the measured value suddenly changes, the control of the hot rolling device is affected, and as a result, the quality of the finished product changes. Similarly, even if the board width control method described in Patent Document 1 is used, when the width measuring device is switched, since the measured value suddenly changes at the time of switching, the control of the hot rolling device is affected. As a result, the quality of the finished product changes. 6 323069

S 201236778. The present invention has been made in view of the above problems, and an object of the present invention is to provide a hot-rolling device which does not suddenly change the measured value even when switching from one measuring device to the other. Controls the control device and control method that will continue as appropriate. (Means for Solving the Problem) In order to achieve the above object, the first feature of the control device of the present invention is characterized in that the first measuring portion is provided with a processing value for rolling a rolling line for rolling the material to be rolled. The first processing value is measured; the second measuring unit is configured to measure the same processing value as the first processing value of the rolling line of the roller as the second processing value; the abnormality detecting unit is configured to detect the foregoing An abnormality of the measuring unit; the processing information storage unit, the first processing value, the second processing value, and a measuring time point for displaying the time of the first processing value and the second processing value The information and the abnormality detection time point information for displaying the time point at which the abnormality detecting unit detects the abnormality are associated and stored as processing data; the learning item calculating unit calculates the foregoing according to the processing information a learning item that is corrected in such a manner that the second processing value is close to the first processing value; and a learning item memory unit for memorizing the learning calculated by the learning item calculating unit And the correction unit corrects the second processing value by the learning item memorized by the learning item storage unit according to the processing information, thereby generating a corrected processing value; and the selecting unit is selected according to the processing information The first processing value before the time when the abnormality detecting unit detects the abnormality, and the corrected machining value after the time when the abnormality detecting unit detects the abnormality; and the device control unit according to the selection unit 7 323069 201236778 processing _ correction processing value 'the above-mentioned rolling production line control the above td purpose' The second characteristic of the control device of the present invention is: information calculation of the former fans c" already recalled in the processing value memory processing according to the aforementioned The calculated difference from the second processed value 'and the aforementioned learning at the time of rolling' is stuck in the previous learning item of the learning item memory unit' and the previous "calculation of the new learning memory portion". In order to achieve the above object, the abnormality detecting unit calculates the second characteristic system as follows: the standard deviation exceeds a predetermined range or a standard deviation, and the foregoing When the first measurement unit generates an abnormality, the case, or the case, it is determined that the above-described learning item calculation unit is based on the above-described first feature, and the feature is: The positional relationship of the roll dry material is the second amount sufficient to measure the difference between the first processed value and the second processed value, and the second item of the same position is calculated to approach the aforementioned first processing value to advance the aforementioned item. Stomach> Positive Learning In order to achieve the above object, the first method of the control method of the present invention has the following steps: a first measuring step, which is to be used as a first processing by the processing material of the rolling line. The value is measured; the second rolling step will be the same as the first processing value of the aforementioned rolling line, and then the step value is measured as the second processing value; the abnormal detection is added to detect 323069 8 201236778 .1 anomaly of the first measurement step; processing information memory step 'before

a value of -^: a second processing value, a measurement time point information for measuring a time point of the first J: the first processing value, and a second time detecting an abnormality by the abnormality detecting step The abnormal point information of the time point is established _ 'and is recorded as processing information and memorized in processing... P, the learning item calculation step, according to the foregoing adding I information, calculating two: the second processing value is calculated to be close to the first processing value, and the learning item memory step is performed by the learning item counting step The learned item is memorized in the learning item, and according to the processing information mentioned above, the former d Μ __ 夕 夕, y 习 々 々 巩 巩 will be described as the first processing value to be remembered by the above learning ^: The learning item is modified to generate a correction plus step, and according to the processing information, the first processing value before the time point when the abnormality is detected by the step: the first processing value before the abnormal time is detected, and the abnormality is detected by the abnormality detecting step. The foregoing selection after the time point and the machine control step are performed according to the processing value and the correction processing value selected by the selection step, and the second aspect of the control method of the present invention is performed by controlling the foregoing rolling line. For example, the second calculation step is based on the addition of the processing value memory unit and is calculated according to ten or + ten: the difference between the first processing value and the second processing value, The difference between the difference and the memory of the above-mentioned learning item, the above-mentioned learning of the lucky car L, is the above-mentioned learning hall, & 1 item 'calculated by the summation method The new learning item memory unit and the aforementioned new learning item are memorized in the aforementioned 323069 9 201236778. To achieve the above object, the third feature of the control method of the present invention is: the abnormality detecting step is to calculate the first processing When the standard deviation of the value, and j, the standard deviation exceeds a predetermined range or is zero, it is determined that an abnormality has occurred in the first measuring unit. .f achieve the above object, the fourth feature of the control method of the present invention is: the reference step is based on the first measurement step and the second measurement step as described above with respect to each other. The positional relationship of the material, the difference between the first processed value and the second processed value measured at the same location, "the learning item used to correct the second processed value in a manner close to the aforementioned first processing value . (Effect of the Invention) According to the control device of the present invention and the (four) square &, even when switching from one of the detectors to the other of the measuring devices, the measured value does not suddenly change, and can be appropriately The control of the hot rolling device is continued. [Embodiment] A configuration of a control device according to a first embodiment of the present invention will be described. (Configuration of the hot rolling device) Fig. 1 is a view showing the configuration of the rolling mill controlled by the control device 2 according to the first embodiment of the present invention. The arrow in the first figure is shown in the Wei-Ling (hot-roll rolling production line). The towel is rolled and the material is rolled. 2〇〇^ Transfer direction Generally speaking, the roll-dried material 2GG is in the pure rolling device. In the rolling process, it is also called slab, bar, and c〇u. ..., 'here is called the rolled material 2〇〇. As shown in Fig. 1, the hot rolling mill is equipped with a heating furnace 323069 10 201236778 - a preliminary descaler 103, a rough trimmer 105, a roughing mill 107, and a rough rolling exit side panel width. The meter 109, the rough rolling outlet side thermometer 111, the finishing rolling inlet side thermometer 113, the plate shearing machine 15 , the secondary descaling machine 117, the finishing mill 119, the finishing rolling outlet Side plate thickness gauge 121, multi-measurement detector 123, finish rolling outlet side thermometer 125, flatness meter 127, run out lamina spray cooling unit 129, coiler inlet side thermometer ι31, coiler inlet side plate Wide gauge 133 and coiler 135. The heating furnace 101 is a furnace for heating the material to be rolled 200. In the preliminary descaling machine 103, an oxide film formed on the surface of the rolled material 200 by heating by the heating furnace 101 is removed by spraying high-pressure water from the vertical direction of the rolled material 2〇〇. The rough trimming machine 105 is subjected to the rolling in the width direction of the grain rolling material 200 as viewed from the upper side of the hot rolling line. The roughing mill 107 is provided with a single or a plurality of roll stands for performing rolling in the vertical direction of the rolled material 200. Further, in the roughing mill 107, from the viewpoint of preventing a temperature drop, it is necessary to shorten the length of the production line, and it is necessary to carry out a plurality of pass rolling. Therefore, it is often the case that the reversible rolling mill is included. . Further, the roughing mill 1〇7 is provided with a descaling machine for spraying high-pressure water to the rolled material 200 belonging to the semi-finished product to remove the oxide film on the surface. Since the rolling is performed at a high temperature, an oxide film is easily formed, and therefore it is necessary to appropriately use a device for removing such an oxide film. The width of the roughing exit side plate is 1 〇 9 is used to measure the roll that belongs to the roll. 323069 11 201236778 The plate width of the semi-finished product of the L material. The rough rolling exit side thermometer 111 is for measuring the surface temperature of the semi-finished product of the rolled material 200 belonging to the rolling. Since the finish rolling side thermometer 113 is long because the distance between the rough rolling mill 1G7 and the finisher U9 is long, the surface temperature of the finish material 119 is measured by the population of the finishing mill 119. The plate end shear 115 is used to cut the front and rear ends of the rolled material 2〇〇. The primary descaling machine 117 is based on the population of the finishing mill 119 because the distance between the roughing mill 1〇7 and the finishing mill 119 is long, so as to improve the surface characteristics of the rolled material 2GG after the fine rolling. The oxide film formed on the surface of the rolled material 200 after the rough rolling is removed by spraying high-pressure water from the vertical direction of the material 120 to be lightly rolled. The finishing mill 119 is a tandem type rolling group provided with a plurality of sets of rolls, and is rolled by a plurality of rolls from the up and down direction to obtain a target thickness. The rolling material is 2 。. The roll holder and the rolling seat of the finishing machine 119 are provided with a spray for suppressing the formation of the oxide film and for controlling the temperature. The thickness of the material to be rolled 2 by rolling in the finishing mill 119 is measured. In order to control the sheet 2 of the rolled material 2〇〇 within the target range, the thickness of the finishing rolling side is measured by the finishing The plate thickness value measured by i2i is used as the machining value for the feedback control of the position of the centrifuge ιΐ9. A multi-measurement device belonging to the X-ray measuring device (Multi_channel 323069 12 201236778

Gauge) 123 is a type in which the X-ray detector is arranged in the width direction of the rolled material 200, and the plate width distribution in the energy measurement width direction is a type in which the plate thickness and the ridge portion can be one. A composite type measuring device that measures a plurality of processing values such as (crown) and plate true. The finish rolling exit side thermometer 125 is for measuring the surface temperature of the rolled material 200 after the rolling of the finishing mill 119. The temperature of the material to be rolled 200 is closely related to the formation and material of the metal structure of the finished product, and it is necessary to appropriately manage the temperature. The flatness meter 127 is for measuring the flatness of the rolled material 200 after the rolling of the finishing mill 119. Further, the flatness meter 127 is provided with a plurality of CCD cameras, and the plate width of the rolled material 200 can also be measured. The flatness meter 127 is more accurate in measuring the amount of the measuring device 123. Therefore, in terms of the board width value on the exit side of the finishing mill 119, the board width value measured by the flatness meter 127 is often used. The discharge spray cooling unit 129 is a device for controlling the temperature of the rolled material 2〇〇 and cooling the rolled material 2〇〇 by cooling water. These devices have a forced cooling device in addition to the general run out table. The winder inlet side thermometer 131 is for measuring the surface temperature of the rolled material 2〇〇 cooled by the discharge spray cooling unit 129. The temperature of the rolled material 200 is closely related to the formation and material of the metal structure of the finished product, and it is necessary to appropriately manage the temperature. The winder inlet side plate width gauge 133 is for measuring the plate width of the rolled material 2〇〇 cooled by the discharge spray cooling unit 129. In the general rolling 323069 13 201236778, the rolled material 200 heated to reach the austenite zone will be transformed into a ferrite or wave in the discharge spray cooling section 129. Tissue such as pearlite, so the plate width after metamorphosis must be measured. In addition, about 860 ° C on the exit side of the finishing mill 119 and about 600 ° C on the inlet side of the coiler 135, it can be measured by linear expansion by measuring in a state closer to room temperature. The board width is measured in a state where the error with room temperature is small. ^ The winder 135 is wound up by the rolled material 200 for transfer. (Functional Configuration of Control Device 1) Fig. 2 is a view showing a functional configuration of a control device according to an embodiment of the present invention. Further, in Fig. 2, a description will be given of a case where the multi-measurement detector 123 is used as the first measuring portion and the flatness meter 127 is used as the second side portion. As shown in Fig. 2, the control device 1 according to the embodiment of the present invention includes a processing information storage unit 2, a learning item storage unit 3, a control unit 4, and a performance correction processing information storage unit 5, and the above-described multi-purpose The plate width value measured by the measuring device 123 is supplied to it, and the plate width value measured by the flatness meter 127 is also supplied thereto. The processing information storage unit 2 displays the board width value of the first processing value measured by the multi-measurement detector 123, the board width value belonging to the second processing value measured by the flatness meter 127, and displays the value. The measurement time point information of the measurement time point of the equal-width value is associated with the abnormality detection time point information for displaying the time point at which the abnormality detecting unit 12 detects an abnormality, and is memorized as processing information. 14 323069

S 201236778 ^ Fig. 3 is a view showing an example of processing information of one of the processed information storage units 2, which is stored in the control device according to the embodiment of the present invention. As shown in Fig. 3, the board width value (symbol 2 〇 2) belonging to the first processing value measured by the oxime detector 123 is measured by the measurement time t (symbol 2 〇 1). The board width value (symbol 203) which is measured by the flatness meter 127 and belongs to the second processing value, and the error code (error detection time point information) indicating whether or not the abnormality is detected by the abnormality detecting unit 12 to be described later. (The symbol 204) establishes an association and records it as processing information. When the error code (abnormality detection time point information) is "1", the abnormality detecting unit 12 detects that there is an abnormality, and the "〇" situation displays the abnormality detecting unit. 12 failed to detect an abnormal condition. The learning item storage unit 3 memorizes the learning item calculated by the learning item calculating unit 13 which will be described later. Fig. 4 is a view showing an example of a learning item stored in the learning item storage unit 3 provided in the control device 1 according to the embodiment of the present invention. As shown in Fig. 4, the learning item memory unit 3 stores the learning item tables 300 to 500 in the steel type a to the steel type C. The learning item tables 300 to 500 respectively have learning items corresponding to the target plate width χ (1) *·· Χ (m) and the target plate thickness γ (1) ... γ (η). For example, in the learning item table 3 of the steel type a, the learning item ZA(m) 1 is calculated for the learning item corresponding to the target board width X (m) and the target board thickness γ (1). The performance correction processing information 5 is based on the processing information and does not include a display to indicate the board width value measured by the multi-purpose stem detector 123 when the error code of the abnormal condition is detected by the different f detecting unit 12 15 323069 201236778 The error correction code is stored as the actual performance correction processing information, and when an error code indicating that the abnormality is detected by the abnormality detecting unit i 2 is included, the time when the abnormality detecting unit η detects the abnormality is selected. The board width value measured by the measuring unit 123 and the time point after the abnormality detecting unit 12 detects the abnormality are 6 points which will be described later. The correction board width value generated by |5 U is memorized as the performance correction processing information. The control unit 4 performs central control of the control device 1. Further, the control unit 4 includes a processing information memory control unit u, an abnormality detecting unit η, a learning item calculating unit 13, a correcting unit 14, a selecting unit 15, and a device control unit 16. The processing information memory control unit 11 is configured to measure the time point information of the first processing value, the second processing value, and the measurement time point for displaying the first processing value and the second processing value, and to display the abnormality The abnormality detection time point information of the time point at which the detecting unit 12 detects the abnormality establishes a correlation, and is stored in the processed information memory unit 2 as processing information. The abnormality detecting unit 12 is for detecting an abnormality of the multi-sensor 123 (first measuring unit). Specifically, the abnormality detecting unit i 2 calculates a standard deviation of a fixed time or a fixed length machining value of a piece of the rolled material 200, when the standard deviation is larger or smaller than a certain value, Then, it is determined that an abnormality has occurred in the multi-measurement detector 123 (first measurement unit). The learning item calculating unit 13 calculates a learning item required to correct the second processing value so as to approach the first processing value based on the processing information. The correction unit 14 corrects the second processing value by learning the learning item z memorized by the memory unit 3 in accordance with the processing information, thereby generating the corrected board width value (corrected processing value). The selection unit 15 selects the board width value measured by the multi-measurement detector 123 in the case where the error code for displaying the abnormality detected by the abnormality detecting unit 12 is not included in the processing information according to the processing information. When there is an error code for displaying an abnormality detected by the abnormality detecting unit 12, 'the first processed value measured by the multi-measurement detector 123 before the time point when the abnormality detecting unit 12 detects the abnormality is selected. And a corrected plate width value (corrected machining value) generated by the correction unit μ described later after the abnormality detection 12 detects an abnormality. The machine control unit 16 controls the rolling line in accordance with the setting conditions of the target sheet width, the target sheet thickness, and the steel type supplied from the outside, the machining value selected by the selecting unit 15, and the corrected machining value. Specifically, the heating furnace 101, the preliminary descaling machine 103, the rough trimming machine 1〇5, the roughing mill 107, the plate end shearing machine, the secondary descaling machine in, the finishing mill 119, and the out The material spray cooling unit 129 and the coiler 135. Further, the machine control unit 16 calculates the setting required for high-precision of the rolled material 200 to be rolled, for example, in the case of a plate width, in order to roll the rolled material 200. The deviation amount between the width and the target value of the board width is reduced, and the board width performance value of each of the rolled materials is compared with the board width target value, thereby implementing the board width learning which belongs to the setting calculation learning function. In this learning function, the calculated value calculated by the molding calculation after rolling is usually compared with the measured value to perform the suction of the molding calculation error 323069 17 201236778. This calculation calculation function is described in p 291, "The Theory and Practice of Plate Rolling", a corporate body, Sakamoto Steel Association: 1984). Further, when the abnormality detecting unit 12 detects an abnormality, the machine control unit 16 can also use the board width value belonging to the second processing value measured by the flatness meter 127 instead of belonging to the first- The board width value of the machining value is used for feedback control. (Operation of Control Device 1) Fig. 5 is a flow chart showing the processing procedure of the control device 1 according to an embodiment of the present invention. In addition, in the fifth figure, the method of using the multi-measurement device = 3 as the first-measurement portion and the flatness meter i 2 7 as the second measurement-measuring portion is taken as an example to illustrate . As shown in the figure, the learning item calculating unit 13 of the control unit 4 determines whether or not the subtraction of the rolled material 200 has been completed (step S101). = body ^ 'The rolled material 200 is sequentially supplied from the heating furnace 〇 〇 设置 set in the hot rolling mill 1 , and is wound up by the coiler 135 11 _ 卩 16 The roll of _ has been mined. In the case of the case where the rolling of the rolled material 200 is determined to be two (10), the learning item calculating unit 13 reads the processing information recorded in the processed information storage unit 2 (step). Next, the learning item calculation unit 13 calculates the difference of the measured values (step). Specifically, the learning item calculation unit 13 calculates the board width value B1 (first processing value) set by the multi-measurement detector 123 at an arbitrary one point based on the processing information that is leaked in the step, And by flat 323069

S 18 201236778 • The board width value b2 (second machining value) measured by degrees is calculated, and the difference value 5 is calculated using the following (Formula 1). (Expression I) The f' learning item calculation unit 13 calculates a learning item (step S107). The eight-body and the third-order department 13 will correspond to the steel grade of the rolled material 200 that has been lightly rolled in step S(9), the target thickness X, and the learning item of the target, from the learning item memory unit. (3) The learning item "n" is used as the "study" when the upper roller is dry. The learning item calculation unit n uses the difference 5 calculated in step S1G5 and the following equation 2, by exponential smoothing. The method smoothes the learning item Z calculated in the last light milk to calculate a new learning item 4. Further, in Equation 2, z n,i is taken as the learning term calculated in the upper-time_, and z is taken as the learning item calculated at the time of this rolling. ° ζ« ^^~β)'Ζη_ι+β.β (Formula 2) Here, the /9 is the learning gain, which is the range of 〇 〇 。. 2 The closer the Xi Zeng is to the system... The faster the learning speed, the more easily it is affected by the different values. Usually, it is usually set at about 0.3 to 0.4. Next, the learning item calculation unit 13 restores the calculated learning item to the learning item storage unit 3 (step sl9). Specifically, the learning item unit 13 is in the learning item table stored in the learning item f memory unit 3, and the roll-dried material has a fine width X that has been rolled in step-S101, and corresponds to the target board. The thick γ learning fjfz steel species is J 为 ζ η-ι, written in the learning term z calculated in step S107 323069 19 201236778. Next, the correction unit 14 of the control unit 4 generates a corrected machining value (step sm). Specifically, the correction unit 14 stores the board width value B 2 measured by the flatness meter π 7 in accordance with the processing information stored in the processing information storage unit 2 using the following formula 3. The learning item Z memorized by the part 3 is corrected, X3 COMP ±> 2 ° to generate a corrected width value belonging to the corrected machining value (Expression 3)

B2comp=B2+Z Next, the selection unit 15 of the control unit 4 determines that the multi-measurement device (2) is in the light rolling of the rolled material 2〇〇 which has been reported in step sl〇i (the first measurement) Whether there is an abnormality (step SU3). Specifically, the processing information stored in the information pure section 2 and corresponding to the pre-rolled material 2G0 which has been reduced in the step is displayed by the included error code (abnormality detection time point information). When the data of the data is present, the selection unit 15 determines that there is an abnormality in the multi-sensor 123. In step S113, it is determined that when the multi-sensor 123 is not abnormal (in the case of No), the selection unit 15 selects the board width value measured by the multi-measurement unit called the first measuring unit. Specifically, the selection unit 15 ′ is selected from the processing information of the rolled material which is stored in the processing material < _2 and which has been lightly dried in the step, and is selected by the multi-measure detector 123 The measured board width value (step S115). On the other hand, in step S113, when it is determined that there is an abnormality in the multi-measurement detector 123 (in the case of YES), the selection unit 15 (4) selects the multi-measure detector 123 before the time point when the difference 323069 20 201236778 is detected. And the value of the board width value generated by the correction unit 14 after detecting the board width value of the summer survey and the time point of the J-synchronization (step S11). For example, in the example of Fig. 3, at time t2〇i = coffee, the value of error code 204 is changed from "〇" to Γ1: hour 0, and 415 is selected time (10) in "〇" 〇: 1〇: 〇〇" The time of the month ^ is moved by the board width value measured by the multi-measurement detector 123, and select =: 01 after the time point of "〇〇: 1〇: 1〇" The correction plate width value generated by the correction unit 14. ^ 'The selection unit 15 is a multi-measurement detector 123 before the time point measured by the multiples 123 in the step su5 or the time point at which the selected amount is abnormal in the step SU7. The plate width value and the time point at which the abnormality is detected are corrected by the time. The corrected plate width value is reproduced as a result of the actual performance correction processing information 5 (step S119). 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 Actual performance correction processing information. The 6G1 series in Fig. 6 shows the board width value measured by the multi-measurement detector 123, while the 6G2 system displays the board width value measured by the flatness meter (7), and the 603 system shows the correction by the 603 series. Part _ generated correction board width value. As shown in Fig. 6, the basis of the plate width value measured by f = 1 = 123 and the flat material 127 at 11 points at any time point is corrected by the flatness meter 127. The measured board width value requires 323069 21 201236778 learning item z. Then, at the time point t2, the board width value measured by the multi-measurement detector 123 has become a fixed value, so that the standard deviation can be determined to be zero, and it can be judged that there is an abnormality in the multi-sensor 123 after the time point t2. Therefore, the selection unit 15 of the control unit 4 selects the (4) abnormality detected by the abnormality detecting unit 12, the plate width value measured by the multi-measurement detector 123 before the point, and the abnormality detecting unit 12 detects After the abnormal t2 time point, the correction is made. The correction plate produced by f5 Μ has a width value of 6〇3 and is used as a performance correction. Where and δ has recalled the actual performance of the revised information memory department. Thereby, even in the case where the multi-measurement detector 123 is abnormal, it is possible to make 5 memories without causing a sudden change in the measured value. And the following: "The control device according to an embodiment of the present invention!" , rolling through the rolling line) Rolling material 200 is rolled into a rolling line (heat, plate width value (machining value) as the first processing value to measure the rolling set 123 (the first measuring part); in the light dry Production line (hot-plus plus two-valued 曰: the same type of plate width value as the first processing value as the second remaining multi-measurement ΓΓ 曰 曰 127 127 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二Processing: two: w) abnormal anomaly _ ^ ^ anomaly detection time point; 2; according to processing information, counting wing: the memory of the processing information memory part of the way to ^ ^ ♦ second processing The learning item calculation unit 13 that feeds the correction required for the correction to the first processing value; the learning item storage unit for the learning item z calculated by the learning item calculation unit 13 for = 323069 22 201236778 3. Based on the processing information, the second processing value is corrected by the learning item Z memorized by the learning item storage unit 3, thereby generating a correction unit 14 for correcting the board width value (corrected processing value); selecting according to the processing information The first processing value before the time point when the abnormality detecting unit 12 detects the abnormality, and The selection unit 15 that detects the second machining value after the abnormal time is detected by the abnormality detecting unit 12, and the machine control unit that controls the rolling line based on the machining value and the corrected machining value selected by the selection unit 15. Therefore, even in the case where an abnormality has occurred in the multi-measurement detector 123 (the first measuring portion), the control of the hot rolling device 1〇〇 can be appropriately performed without causing a sudden change in the measured value. Further, in the control device 1 according to the embodiment of the present invention, a new learning item is calculated by the exponential smoothing method, but the present invention is not limited thereto. 9 For example, the target thickness, the target plate width, the alloy type, and the like are taken as The layer learning method of the layer key or the learning method of the neural network (neural netw〇rk) which is the same as the measurement value and the difference type can be used. In the control device 1 of the embodiment, the multi-purpose detector 123 is used as the first measuring unit, and the flatness meter 127 is used as the second measuring unit. However, the present invention is not limited thereto. For example, the flatness meter 127 may be used. As the first measuring part, and will be more The detector 123 serves as a second measuring portion, or the flatness meter 127 is used as the first measuring portion, and the winder inlet side plate width gauge 133 is regarded as the second measuring portion. Further, the measured processing value is The temperature measured by the rough rolling outlet side thermometer 1U, the finishing rolling inlet side thermometer 113, the finishing rolling outlet side temperature 323069 23 201236778 degree meter 125, or the coiler inlet side thermometer 131 may be processed as the processing. The value of the plate thickness measured by the finish rolling side thickness gauge 121 may be used as the machining value. That is, the first measuring portion and the second measuring portion are disposed in the hot rolling device 1〇. In the crucible (rolling line), it is only necessary to measure the same type of processing value. Further, in the control device i according to the embodiment of the present invention, the difference in the board width value measured by the multi-sensor 123 and the flatness meter 127 at any time point is calculated, but the present invention is not limited thereto. For example, the difference between the average value of the board width value measured by the multi-measurement detector 123 and the average value of the board width value measured by the flatness meter 127 may be calculated. Further, a method in which two thermometers are provided and the difference in temperature measured by the two thermometers at the same position with respect to the positional relationship of the rolled material 200 may be used. Fig. 7 is a view schematically showing a hot rolling apparatus provided with two thermometers. As shown in Fig. 7, a first finish rolling outlet side thermometer 14A and a second finishing rolling exit side thermometer 141 are provided. Next, the learning item calculation unit 17 measures each of the positions measured by the first finishing pass side thermometer 140 and the second finishing pass side thermometer 141 at the same position with respect to the positional relationship with respect to the material to be rolled 200. The temperature leaves nose out of the difference. For example, the learning item calculating unit 17 calculates the difference based on the temperature at the point where the leading end distance from the material to be rolled is a predetermined distance S from the rolled material 200, based on the transfer speed of the rolled material 00. 323069 24 201236778 Then, the learning item calculation unit 13 may calculate the learning item z required to correct the temperature measured by the second finishing exit side thermometer 141 based on the calculated difference value. Further, in the control device 1 according to the embodiment of the present invention, although the difference 2 in the board width values measured by the multi-measurement detector 123 and the flatness meter 127 is calculated, it is not limited thereto, and is calculated. The ratio of the ratio can also be used. Specifically, the sub-learning calculation unit 13 uses the following values according to the board width value & and the board width value & measured by the flatness meter 127 by the multi-measurement unit 123; Equation 4) Calculate the ratio value ^ = (Formula 4) Next, in the case where s is calculated as the ratio 0, the ratio = the ratio value is the following (Equation 5), and the exponential smoothing method is used to calculate the newcomer's ^Γζ Calculate this out-of-school learning item Z for smoothing, and lend it to the item Zn. In addition, in Equation 5, the learning U is calculated as the last roll.

Zn is used as the "City of the City" item, and the learning part of the ♦ person who is squeezing the sputum (B (5) η · 二 二 二 的 的 的 的 的 的 的 ” ” ” ” ” ” ” ” ” ” ” ” ” ” ” ” The processing information 'Use the following 127 to measure the board width value ugly 2, and use _ to correct the hunting by the flatness learning item, so that the memory value of the long-term memory part 3 is B2CCM/p. Correction width 323069 25 201236778 ΒΓΡ-Β2χΖ (Formula 6) (Industrial Applicability) As described above, the control device and the control method of the present invention are suitable for controlling hot rolling of rolled material by rolling. Control device and control method of the device. Brief Description of the Drawings Fig. 1 is a view showing a configuration of a hot rolling device controlled by a control device according to an embodiment of the present invention. Fig. 2 is a view showing an embodiment of the present invention. FIG. 3 is a view showing an example of processing information stored in the processing information storage unit included in the control device according to the embodiment of the present invention. FIG. 4 is a view showing the memory in the present invention. A control device of an embodiment is provided FIG. 5 is a flow chart showing a processing procedure of a control device according to an embodiment of the present invention. FIG. 6 is a flowchart illustrating a control device according to an embodiment of the present invention. - It is hidden in the addition: the information on the enhancement of the memory of the nf memory, and the picture of the performance correction processing information that is memorized in the actual performance of the revised information. The seventh figure is a schematic display by the control of an embodiment of the present invention. A diagram of a hot-light rolling device equipped with two thermometers controlled by the device. [Main component symbol description] 1 Control device 323069 26 201236778 2 Processing information memory unit 3 Learning item memory unit 4 Control unit 5 Actual performance correction processing information 11 Processing information Memory control unit 12 abnormality detecting unit 13 learning item calculating unit 14 correcting unit 15 selecting unit 16 machine control unit 17 learning item calculating unit 100 hot-rolling device 101 heating furnace 103 preliminary descaling machine 105 rough trimming machine 107 rough rolling mill 109 Rough rolling outlet side plate width 111 rough rolling exit side thermometer 113 Jingxing L inlet side thermometer 115 plate end shearing machine 117 Skinning machine 119 finishing mill 121 finishing rolling side thickness gauge 123 multi-measuring device 27 323069 201236778 125 finishing rolling side thermometer 127 flatness meter 129 discharging spray cooling unit 131 coiler inlet side thermometer 133 coiler Inlet side plate width gauge 135 coiler 140 First finishing pass side thermometer 141 Second finishing exit side thermometer 200 is rolled material 201 Measuring time t 202 First machining value 203 Second machining value 204 Error code 601, 602 Board width value 603 correction board width value

28 323069 S

Claims (1)

201236778 . VII. Patent application scope: 丨. A control device is provided with: a first measuring unit for measuring a processing value of a rolling line for rolling a rolled material as a first processing value; The second measuring part is configured to measure the same processing value as the first processing value of the first processing value of the rolling line as the second added value; And a processing information storage unit, wherein the first processing value and the second processing value are used to display and measure the first processing value and the second plus two points The measurement time point information is used to display the abnormality detection time point information at the time point of the abnormality detection: the abnormality detection time, and is stored as processing information; the foregoing part 'calculates according to the processing information described above The method for calculating the calculation unit is performed by the learning item calculation unit, and the second processing value is hunted by the learning item memory unit according to the processing information. The correction processing value is generated; the correction item of W is corrected, and the selection unit is used to detect the abnormal time point according to the processing condition detection unit, and the abnormal part is detected by the second part ^ 323069 1 201236778 machine control unit' The control of the rolling line is performed based on the machining value % positive machining value selected by the selection unit. = Control device according to item 1 of the second patent scope, wherein the aforementioned item is! The calculation unit extracts the difference between the first plus-I value and the second processed value based on the processing resource stored in the above-mentioned value-added memory unit, and stores the difference calculated and stored in the learning item memory unit. The above-mentioned learning item f at the time of the second rolling, the new learning item is calculated by the exponential smoothing method, and the new learning item calculated as described above is memorized in the learning item memory unit. The control device according to claim i, wherein the abnormality detecting unit calculates a standard deviation of the first processing value, and determines that the deviation of the target f exceeds a predetermined range or is zero. An abnormality is generated in the first measuring portion. 4. The control device according to the above-mentioned item, wherein the learning item calculation unit is based on the first measurement unit and the second measurement unit relative to each other The difference between the first processed value and the second processed value measured by the positional relationship of the rolled material at approximately the same position, and the learning item for correcting the second processed value so as to be close to the first processed value is calculated. . 5. A control method having the following steps: a first measuring step of measuring a processing value of a rolling line produced by rolling a pro-rolled material as a first processing value; a second measuring step The processing value of the same kind as the first processing value of the foregoing rolling line is measured as the second processing value; 323069 2 201236778 the different lifting detecting step for detecting the processing information memory step of the first measuring step, The first processing value, the second processing value, the measurement time point information for measuring the first processing value and the second processing time point, and displaying the abnormality detected by the foregoing common detection step The abnormality detection time point of the time point is & _ ' and is saved as the Guardian information in the Guardian Information Memory Department; the μ item calculation step is calculated according to the processing information described above to calculate the second Guardian value to approach The learning item of the first processing value of the processing value; the learning item memory step, the learning item calculated by the learning item calculating step is memorized in the learning item a correction step, according to the processing information, correcting the second processing value by learning the learning item memorized by the learning item memory step of the month IJ, thereby generating a corrected processing value; > selecting step 'according to the processing information The first processing before the time when the abnormality is detected by the step, and the corrected processing value after the time difference of the fourth (four) time is detected by the abnormality detecting step; and the "mai 2 control step" According to the addition of 6 > positive processing value selected by the foregoing selection step, the control of the rolling production line is carried out. Applying for the special (4) 5 items (4), the calculation steps of the item are based on the memory value of the processing value. : force = 323069 3 201236778 and; 摅 1 the difference between the aforementioned first processing value and the aforementioned second processing value, and according to the four materials "wire" (four) in the above-mentioned learning term of the top-by-time observation, by index = = Recalling the above-mentioned learning 2 recalls the new learning items. 7. The control method described in claim 5, wherein the d-testing step calculates the aforementioned first processing value. Standard deviation, and standard deviation = exceeds a predetermined range or in the case of zero, it is determined in the first measuring section generates abnormal. 8. The control method according to any one of clauses 5 to 7, wherein the learning item calculating step is based on each other by the first measuring step and the second measuring step The difference between the first processed value and the first processed value measured at about the same position relative to the positional relationship of the rolled material is used to perform the second processed value in a manner close to the first processed value. Corrected learning items. 323069 S