CN108067504A - A kind of continuous annealing unit steel coil transporting trolley control method - Google Patents
A kind of continuous annealing unit steel coil transporting trolley control method Download PDFInfo
- Publication number
- CN108067504A CN108067504A CN201711295708.4A CN201711295708A CN108067504A CN 108067504 A CN108067504 A CN 108067504A CN 201711295708 A CN201711295708 A CN 201711295708A CN 108067504 A CN108067504 A CN 108067504A
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- trolley
- speed
- steel coil
- vehicle
- continuous annealing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2275/00—Mill drive parameters
- B21B2275/02—Speed
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- Mechanical Engineering (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
Abstract
The invention belongs to continuous annealing unit technical fields, disclose a kind of continuous annealing unit steel coil transporting trolley control method, including：Start steel coil transporting trolley, promoted from stepping fine strain of millet working position R0 with highest acceleration to maximum small vehicle speed V1, reach high-speed motion starting point R1；The first deceleration point R2 is at the uniform velocity moved to maximum small vehicle speed V1 from the high-speed motion starting point R1；From the first deceleration point R2, verification speed V2 is decelerated to peak acceleration, reaches verification starting point R3；In the verification starting point R3, to verify speed V2 at the uniform velocity by monitoring point R4 in place；From the monitoring point R4 in place, with peak acceleration, reduce speed now to uncoiler working position R5；Wherein, the highest acceleration is maximum safe acceleration of the steel coil transporting trolley on trolley moving track.The present invention provides a kind of High-speed Control method for big stroke steel coil transporting trolley, has reached reduction security risk, has promoted the effect of control accuracy.
Description
Technical field
The present invention relates to technical field, more particularly to a kind of continuous annealing unit steel coil transporting trolley control method.
Background technology
High speed continuous annealing unit is main production unit in cold-strip steel producing line, is important step in cold rolled strip steel production.
The production efficiency of continuous annealing unit decides the yield of lower road technique, therefore continuous annealing unit is high with speed always, rhythm
Soon, failure rate is low and well-known.And high speed continuous annealing unit is to require one of highest unit to speed, rhythm in continuous annealing unit.
But since raw material area and walking beam leave volume region maximum distance up to 50 meters, if using previous continuous annealing line high-speed carriage
Control mode, that is, be laid with flexible cable come to trolley power and communicate, the first cable length is long, cost increase；Second is logical
News quality is affected；3rd longtime running cable is easy to wear, causes a hidden trouble.
On the other hand, the shift motion of coil car is often shorter, and high-speed mobile control is relatively easy, by the uniform velocity moving
；But environment is set for longer producing line, if coil of strip transfer line is more than 50 meters of situation, simply at the uniform velocity movement will
Cause transporting velocity that can not match the production efficiency of producing line；But the speed that simple promotion is at the uniform velocity moved, and will face in place
Precision, high-speed motion security equivalent risk.
The content of the invention
The present invention provides a kind of continuous annealing unit steel coil transporting trolley control method, and it is even super to solve big stroke in the prior art
The technical issues of security risk of high-speed mobile control and big in-placing precision control difficulty of big stroke coil of strip floor truck.
In order to solve the above technical problems, the present invention provides a kind of continuous annealing unit steel coil transporting trolley control method, including：
Start steel coil transporting trolley, from stepping fine strain of millet working position R0It is promoted with highest acceleration to maximum small vehicle speed V1, reach
High-speed motion starting point R1；
From the high-speed motion starting point R1With maximum small vehicle speed V1At the uniform velocity it is moved to the first deceleration point R2；
From the first deceleration point R2, verification speed V is decelerated to peak acceleration2, reach verification starting point R3；
In the verification starting point R3, to verify speed V2At the uniform velocity pass through monitoring point R in place4；
From the monitoring point R in place4, with peak acceleration, reduce speed now to uncoiler working position R5；
Wherein, the highest acceleration is maximum safe acceleration of the steel coil transporting trolley on trolley moving track.
Further, the monitoring point R in place4With the verification starting point R3It overlaps.
Further, the method further includes：Steel coil transporting trolley system；
The steel coil transporting trolley system includes：Trolley body and matched trolley moving track, main website PLC can
Programmable controller, the first wireless communication module and the second wireless communication module being arranged in the trolley body, vehicle-mounted control
Device processed, vehicle-mounted range unit, vehicle-mounted arrangements for speed regulation and position correction apparatus；
The vehicle-mounted range unit and the vehicle-mounted arrangements for speed regulation are connected respectively with the Vehicle Controller, realize trolley
Displacement measurement and the speed adjustment of body；
The vehicle-mounted arrangements for speed regulation are connected with the driving device of the trolley body；
The main website PLC programmable controller is connected with first wireless communication module, first radio communication mold
Block is connected with second wireless communication module, and second wireless communication module is connected with the Vehicle Controller, passes through nothing
Line communication mode realizes the control of trolley body；
The position correction apparatus is arranged in the trolley body, and is connected with the Vehicle Controller, realizes trolley
Reach the monitoring of monitoring point in place.
Further, first wireless communication module includes：Slave station PLC programmable controller, AP wireless access point with
And leaky wave cable；
Second wireless communication module includes：With the matched AP wireless communication clients of the leaky wave cable；
The slave station PLC programmable controller is connected with the AP wireless access point, the leaky wave cable and the AP without
Line access point is connected；
The slave station PLC programmable controller is connected with the main website PLC programmable controller；
For the leaky wave laying cable on the trolley moving track, the AP wireless communication clients are arranged on the shifting
In trolley body.
Further, the vehicle-mounted arrangements for speed regulation include：Frequency converter；
The frequency converter is arranged in the trolley body, and respectively with the Vehicle Controller and the trolley body
Driving device be connected.
Further, the vehicle-mounted range unit includes：Absolute value encoder；
The absolute value encoder is arranged in the trolley body, and respectively with the Vehicle Controller and described small
The driving device of vehicle body is connected.
Further, the position correction apparatus includes：RF Reader and RFID tag；
The RFID tag is arranged on the trolley moving track, in the stroke of the trolley body；
The RF Reader is arranged in the trolley body, is connected with the Vehicle Controller.
Further, the position correction apparatus includes：Proximity sensor；
The proximity sensor is arranged in the trolley body, is connected with the Vehicle Controller.
The one or more technical solutions provided in the embodiment of the present application, have at least the following technical effects or advantages：
The continuous annealing unit steel coil transporting trolley control method provided in the embodiment of the present application, for the steel coil transportation of big stroke
The high-speed mobile control of trolley；By the way that trolley shift motion is divided into accelerating sections, at the uniform velocity section, braking section, at the uniform velocity section and subtract
The mode of fast section so that coil car can meet the maximum speed of producing line safety requirements and control ability, so as to match producing line
High-speed production efficiency.Specifically, highest Acceleration Control is passed through so that trolley enters high-speed cruising shape with prestissimo
State, and this speed is kept to run；Further, in order to meet the requirement of trolley in-placing precision, carry out small truck position verification, i.e., to
Monitoring point in place is set before up to uncoiler working position；Meanwhile in order to meet monitoring accuracy in place, carried out with highest acceleration value
Verification speed is decelerated to, meets requirement of the checking precision to translational speed；Meanwhile the time of moderating process is also minimum.Into
One step, after monitoring point in place, also most fast reduction of speed reaches uncoiler working position.So that in whole process, accelerate and subtract
Fast process is all completed with prestissimo, remaining stage, is full the maximum speed fortune of the highest standard of sufficient safety and testing requirements
Row meets safety and the requirement of control accuracy in place while so as to reach high-speed mobile.
Further, by setting vehicle-mounted arrangements for speed regulation and vehicle-mounted range unit in trolley body, vehicle-mounted control is coordinated
Device realizes reliable and stable small vehicle speed and position control, to meet continuous annealing unit at a high speed, high-precision steel coil transportation demand.Together
When, radio communication mold is formed by the first wireless communication module, the second wireless communication module and main website PLC programmable controller
Formula solves the problem of the difficult distance of cable laying caused by cable connection in the prior art；Simultaneously also avoid cable with
The problem of with being worn in moving cart high speed reciprocatory movement, greatly improves the reliability of communication；Pass through channel radio simultaneously
Letter can promote communication efficiency.The further AP wireless communications visitor by being arranged in leaky wave cable and the trolley body on guide rail
The matching structure at family end realizes that closely high reliability wireless communication to adapt to the complex environment of continuous annealing unit, significantly carries
Antijamming capability of the wireless communication configuration to complex environment is risen, so as to ensure the reliability of communication.
Description of the drawings
Fig. 1 is continuous annealing unit steel coil transporting trolley control method principle schematic provided by the invention；
Fig. 2 is the system structure diagram of continuous annealing unit transporting high-speed steel coil at high speed trolley provided by the invention；
Fig. 3 is the layout structure schematic diagram of continuous annealing unit transporting high-speed steel coil at high speed trolley provided by the invention.
Specific embodiment
The embodiment of the present application is solved big in the prior art by providing a kind of continuous annealing unit steel coil transporting trolley control method
The security risk and in-placing precision of the high-speed mobile control of stroke even super large stroke coil of strip floor truck control the big skill of difficulty
Art problem.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
It states technical solution to be described in detail, it should be understood that the specific features in the embodiment of the present invention and embodiment are to the application skill
The detailed description of art scheme rather than the restriction to technical scheme, in the case where there is no conflict, the embodiment of the present application
And the technical characteristic in embodiment can be mutually combined.
Referring to Fig. 1, a kind of continuous annealing unit steel coil transporting trolley control method, including：
Start steel coil transporting trolley, from stepping fine strain of millet working position R0It is promoted with highest acceleration to maximum small vehicle speed V1, reach
High-speed motion starting point R1；Namely prestissimo reaches maximum small vehicle speed V1, into high-speed moving state.
From the high-speed motion starting point R1With maximum small vehicle speed V1At the uniform velocity it is moved to the first deceleration point R2；As far as possible with
The small vehicle speed V of maximum speed1Mobile more strokes.
From the first deceleration point R2, verification speed V is decelerated to peak acceleration2, reach verification starting point R3；Institute
State verification starting point R3, to verify speed V2At the uniform velocity pass through monitoring point R in place4；From the monitoring point R in place4, accelerated with maximum
Degree, reduces speed now to uncoiler working position R5；It is, in overall process, shorten the time of state change as far as possible, extend with most
The time of size vehicle speed movement；Meet control schedule requirement simultaneously.
Wherein, the highest acceleration is maximum safe acceleration of the steel coil transporting trolley on trolley moving track.
In general, the monitoring point R in place4With the verification starting point R3Overlap, through may be decreased low speed operation when
Between.
Referring to Fig. 1, continuous annealing unit transporting high-speed steel coil at high speed trolley, including：Trolley body and the movement of matched trolley
Track；In general, trolley moving track is laid between continuous annealing unit stepping fine strain of millet and uncoiler, guiding moving cart carries out
Coil of strip is carried.
Wherein, in order to realize rapid transit, it is necessary to using auto-control pattern realize high efficient and reliable trolley control.
Specifically, the travelling bogie further includes：Main website PLC programmable controller, the first wireless communication module and
The second wireless communication module, Vehicle Controller, vehicle-mounted range unit and the vehicle-mounted speed governing dress being arranged in the trolley body
It puts；That is, including vehicle-mounted part and situ part.
Specifically, second wireless communication module, the vehicle-mounted range unit and the vehicle-mounted arrangements for speed regulation point
It is not connected with the Vehicle Controller；The vehicle-mounted arrangements for speed regulation are connected with the driving device of the trolley body.Pass through vehicle
Set controller realizes same control, realizes and is transferred with the information of situ part.By vehicle-mounted arrangements for speed regulation and vehicle-mounted range unit,
The tachometric survey and control and position measurement and control of realization trolley body, so as to ensure that trolley body can be to greatest extent
In stable high-speed moving state, the production requirement efficiently carried is adapted to calmly.
In general, specific perform of the motion control of trolley body can be uniformly coordinated control by Vehicle Controller；In order to
The production procedure of continuous annealing unit is cooperateed with, the main website PLC programmable controller, institute are connected by first wireless communication module
It states the first wireless communication module with second wireless communication module to be connected, can be compiled so as to establish Vehicle Controller and main website PLC
The communication of range controller realizes that trolley control is cooperateed with the organic of continuous annealing unit, realizes that coil of strip carrying is compatible with production procedure,
Improving production efficiency.
The wireless communications mode that first wireless communication module and the second wireless communication module are established, can realize high-speed mobile
The reliable and stable communication of trolley, connects compared with cable, avoids the problems such as complicated paving line operation is worn with cable, possesses
Better communication quality and reliability.
In order to further enhance the reliability of communication, the present embodiment proposes the nothing for adapting to continuous annealing unit complicated production environment
Line communication structure.
Specifically, first wireless communication module includes：Slave station PLC programmable controller, AP wireless access point with
And leaky wave cable；Second wireless communication module includes：With the matched AP wireless communication clients of the leaky wave cable；It is described
Slave station PLC programmable controller is connected with the AP wireless access point, and the leaky wave cable is connected with the AP wireless access point；
The slave station PLC programmable controller is connected with the main website PLC programmable controller；The leaky wave laying cable is described small
On vehicle moving track, the AP wireless communication clients are arranged in the shifting trolley body.
That is, by along trolley moving guide rail be laid with leaky wave cable, set in trolley body matched AP without
Line communication customer end realizes wireless communication closely；Can possess better anti-interference energy under complicated production environment
Power, so as to ensure the reliability of communication quality.
In general, the vehicle-mounted arrangements for speed regulation include：Frequency converter；The frequency converter is arranged in the trolley body,
And the driving device with the Vehicle Controller and the trolley body is connected respectively.Trolley is namely realized by frequency converter
Speed adjust, realize at a high speed carry.
The vehicle-mounted range unit includes：Absolute value encoder；The absolute value encoder is arranged on the trolley body
On, and the driving device with the Vehicle Controller and the trolley body is connected respectively.It is detected by absolute value encoder
Drive car realizes the displacement distance detection of trolley body, so as to reflect trolley on trolley moving guide rail in real time
Position, convenient for trolley speed control；In general, cooperation position controls, it can realize that the acceleration of trolley subtracts to a certain extent
Speed, so as to the handling efficiency of lifting truck body.
In order to further enhance the reliability that speed control and position control, further, the travelling bogie further includes：
Position correction apparatus；The position correction apparatus is arranged in the trolley body, and is connected with the Vehicle Controller, is passed through
Installation position means for correcting is used for the detection reliability of raised position.
That is, induction structure is set in orbit or in trolley body, when trolley body passes through a certain position on track
When, feed back signal in place.
Certainly, position correction apparatus can also be arranged on trolley moving guide rail, can specifically be set according to actual needs.
In general, the position correction apparatus includes：RF Reader and RFID tag；The radio frequency identification
Label is arranged on the trolley moving track, in the stroke of the trolley body；The RF Reader is arranged on institute
It states in trolley body, is connected with the Vehicle Controller.
It is monitored in place by the realization of short-range radio frequency recognition mode, when RF Reader follows trolley body to be moved to radio frequency
When identifying above label, signal in place is triggered.
Alternatively, the position correction apparatus includes：Proximity sensor；The proximity sensor is arranged on the trolley body
On, it is connected with the Vehicle Controller.That is, using proximity sensor, when reaching a certain position of track in trolley moving process,
Trigger proximity sensor；It can also use close to similar sensors such as switches, it is no longer exhaustive herein.
Referring to Fig. 3, the present embodiment provides a kind of laying structure schematic diagrames to position correction apparatus.
Trolley moving guide rail 2 is set along the arranged direction of continuous annealing unit stepping fine strain of millet 1 and uncoiler 5, forms removing for coil of strip
Transport path.
RFID tag 3 is set on trolley moving guide rail 2 or close to switch, according to actual position demand for control
RFID tag 3 or the specific location close to switch are set.
In general, in the start bit of trolley body 1, terminal position, speed governing position is set at uncoiling seat in the plane, convenient for speed and
Position controls；So that the carrying of coil of strip 6 is more reliable convenient.
The continuous annealing unit steel coil transporting trolley control method provided in the embodiment of the present application, for the steel coil transportation of big stroke
The high-speed mobile control of trolley；By the way that trolley shift motion is divided into accelerating sections, at the uniform velocity section, braking section, at the uniform velocity section and subtract
The mode of fast section so that coil car can meet the maximum speed of producing line safety requirements and control ability, so as to match producing line
High-speed production efficiency.Specifically, highest Acceleration Control is passed through so that trolley enters high-speed cruising shape with prestissimo
State, and this speed is kept to run；Further, in order to meet the requirement of trolley in-placing precision, carry out small truck position verification, i.e., to
Monitoring point in place is set before up to uncoiler working position；Meanwhile in order to meet monitoring accuracy in place, carried out with highest acceleration value
Verification speed is decelerated to, meets requirement of the checking precision to translational speed；Meanwhile the time of moderating process is also minimum.Into
One step, after monitoring point in place, also most fast reduction of speed reaches uncoiler working position.So that in whole process, accelerate and subtract
Fast process is all completed with prestissimo, remaining stage, is full the maximum speed fortune of the highest standard of sufficient safety and testing requirements
Row meets safety and the requirement of control accuracy in place while so as to reach high-speed mobile.
Further, by setting vehicle-mounted arrangements for speed regulation and vehicle-mounted range unit in trolley body, vehicle-mounted control is coordinated
Device realizes reliable and stable small vehicle speed and position control, to meet continuous annealing unit at a high speed, high-precision steel coil transportation demand.Together
When, radio communication mold is formed by the first wireless communication module, the second wireless communication module and main website PLC programmable controller
Formula solves the problem of the difficult distance of cable laying caused by cable connection in the prior art；Simultaneously also avoid cable with
The problem of with being worn in moving cart high speed reciprocatory movement, greatly improves the reliability of communication；Pass through channel radio simultaneously
Letter can promote communication efficiency.The further AP wireless communications visitor by being arranged in leaky wave cable and the trolley body on guide rail
The matching structure at family end realizes that closely high reliability wireless communication to adapt to the complex environment of continuous annealing unit, significantly carries
Antijamming capability of the wireless communication configuration to complex environment is risen, so as to ensure the reliability of communication.
It should be noted last that more than specific embodiment is merely illustrative of the technical solution of the present invention and unrestricted,
Although the present invention is described in detail with reference to example, it will be understood by those of ordinary skill in the art that, it can be to the present invention
Technical solution be modified or replaced equivalently, without departing from the spirit and scope of technical solution of the present invention, should all cover
Among scope of the presently claimed invention.
Claims (8)
1. a kind of continuous annealing unit steel coil transporting trolley control method, which is characterized in that including：
Start steel coil transporting trolley, from stepping fine strain of millet working position R0It is promoted with highest acceleration to maximum small vehicle speed V1, reach at a high speed
Move starting point R1；
From the high-speed motion starting point R1With maximum small vehicle speed V1At the uniform velocity it is moved to the first deceleration point R2；
From the first deceleration point R2, verification speed V is decelerated to peak acceleration2, reach verification starting point R3；
In the verification starting point R3, to verify speed V2At the uniform velocity pass through monitoring point R in place4；
From the monitoring point R in place4, with peak acceleration, reduce speed now to uncoiler working position R5；
Wherein, the highest acceleration is maximum safe acceleration of the steel coil transporting trolley on trolley moving track.
2. continuous annealing unit steel coil transporting trolley control method as described in claim 1, it is characterised in that：The monitoring point in place
R4With the verification starting point R3It overlaps.
3. continuous annealing unit steel coil transporting trolley control method as described in claim 1, which is characterized in that the method is also wrapped
It includes：Steel coil transporting trolley system；
The steel coil transporting trolley system includes：Trolley body and matched trolley moving track, main website PLC may be programmed
Controller, the first wireless communication module and the second wireless communication module being arranged in the trolley body, Vehicle Controller,
Vehicle-mounted range unit, vehicle-mounted arrangements for speed regulation and position correction apparatus；
The vehicle-mounted range unit and the vehicle-mounted arrangements for speed regulation are connected respectively with the Vehicle Controller, realize trolley body
Displacement measurement and speed adjustment；
The vehicle-mounted arrangements for speed regulation are connected with the driving device of the trolley body；
The main website PLC programmable controller is connected with first wireless communication module, first wireless communication module with
Second wireless communication module is connected, and second wireless communication module is connected with the Vehicle Controller, passes through channel radio
Letter mode realizes the control of trolley body；
The position correction apparatus is arranged in the trolley body, and is connected with the Vehicle Controller, realizes that trolley reaches
The monitoring of monitoring point in place.
4. continuous annealing unit steel coil transporting trolley control method as claimed in claim 3, which is characterized in that first channel radio
Letter module includes：Slave station PLC programmable controller, AP wireless access point and leaky wave cable；
Second wireless communication module includes：With the matched AP wireless communication clients of the leaky wave cable；
The slave station PLC programmable controller is connected with the AP wireless access point, and the leaky wave cable wirelessly connects with the AP
Access point is connected；
The slave station PLC programmable controller is connected with the main website PLC programmable controller；
For the leaky wave laying cable on the trolley moving track, the AP wireless communication clients are arranged on the shifting trolley
On body.
5. continuous annealing unit steel coil transporting trolley control method as claimed in claim 3, which is characterized in that the vehicle-mounted speed governing dress
Put including：Frequency converter；
The frequency converter is arranged in the trolley body, and the drive with the Vehicle Controller and the trolley body respectively
Dynamic device is connected.
6. continuous annealing unit steel coil transporting trolley control method as claimed in claim 3, which is characterized in that the vehicle-mounted ranging dress
Put including：Absolute value encoder；
The absolute value encoder is arranged in the trolley body, and respectively with the Vehicle Controller and the trolley sheet
The driving device of body is connected.
7. continuous annealing unit steel coil transporting trolley control method as claimed in claim 3, which is characterized in that the position correction dress
Put including：RF Reader and RFID tag；
The RFID tag is arranged on the trolley moving track, in the stroke of the trolley body；
The RF Reader is arranged in the trolley body, is connected with the Vehicle Controller.
8. continuous annealing unit transporting high-speed steel coil at high speed trolley as claimed in claim 3, which is characterized in that the position correction apparatus
Including：Proximity sensor；
The proximity sensor is arranged in the trolley body, is connected with the Vehicle Controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711295708.4A CN108067504A (en) | 2017-12-08 | 2017-12-08 | A kind of continuous annealing unit steel coil transporting trolley control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711295708.4A CN108067504A (en) | 2017-12-08 | 2017-12-08 | A kind of continuous annealing unit steel coil transporting trolley control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108067504A true CN108067504A (en) | 2018-05-25 |
Family
ID=62157620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711295708.4A Withdrawn CN108067504A (en) | 2017-12-08 | 2017-12-08 | A kind of continuous annealing unit steel coil transporting trolley control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108067504A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63157709A (en) * | 1986-12-19 | 1988-06-30 | Nippon Steel Corp | Control method for line speed by loop storage amount in cold rolling mill |
| CN102886393A (en) * | 2012-09-29 | 2013-01-23 | 鞍钢股份有限公司 | Control method for quickly and accurately positioning steel coil dolly |
| CN106513460A (en) * | 2015-09-14 | 2017-03-22 | 宝钢不锈钢有限公司 | Cold-strip steel flexible reeling preparation system and control method |
-
2017
- 2017-12-08 CN CN201711295708.4A patent/CN108067504A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63157709A (en) * | 1986-12-19 | 1988-06-30 | Nippon Steel Corp | Control method for line speed by loop storage amount in cold rolling mill |
| CN102886393A (en) * | 2012-09-29 | 2013-01-23 | 鞍钢股份有限公司 | Control method for quickly and accurately positioning steel coil dolly |
| CN106513460A (en) * | 2015-09-14 | 2017-03-22 | 宝钢不锈钢有限公司 | Cold-strip steel flexible reeling preparation system and control method |
Non-Patent Citations (2)
| Title |
|---|
| 崔席勇等: "冷轧带钢连续退火模拟试验机自动控制系统", 《轧钢》 * |
| 昌亮: "冷轧连续退火线入口自动控制系统设计", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
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Application publication date: 20180525 |
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