CN110329825A - 0.05mm or less precise stainless steel strip tension roll assembly master & slave control system and method - Google Patents
0.05mm or less precise stainless steel strip tension roll assembly master & slave control system and method Download PDFInfo
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- CN110329825A CN110329825A CN201910536849.3A CN201910536849A CN110329825A CN 110329825 A CN110329825 A CN 110329825A CN 201910536849 A CN201910536849 A CN 201910536849A CN 110329825 A CN110329825 A CN 110329825A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
- B65H26/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs
- B65H26/04—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs for variation in tension
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2513/00—Dynamic entities; Timing aspects
- B65H2513/10—Speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/19—Specific article or web
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Abstract
The invention discloses a kind of 0.05mm or less precise stainless steel strip tension roll assembly master & slave control system and methods, this method comprises: in master vector frequency converter, speed control receives PLC speed setting value and tension compensating value, issue principal velocity signal, torque controller receives the feedback signal of the principal velocity signal and rotary encoder, main torque output value is issued, corresponding servo motor operating is controlled.From vector frequency converter, process controller receives the slave torque output value of the main torque output value and driven voller, issues auxiliary speed signal, and speed control receives the auxiliary speed signal and the principal velocity signal, issues from speed signal；Torque controller receives the feedback signal from speed signal and rotary encoder, issues from torque output value, controls corresponding servo motor operating.0.05mm or less precise stainless steel strip tension roll assembly master & slave control system and method for the invention, synchronism is higher, and Accurate tension control may be implemented, and anti-interference ability is stronger.
Description
Technical field
The present invention relates to steel band processing technique field more particularly to a kind of 0.05mm or less precise stainless steel strip tension roll assemblies
Master & slave control system and method.
Background technique
The high-precision end stainless strip product that Taiyuan Iron and Steel Co. accurate band steel company mainly produces with a thickness of 0.02mm~0.5mm, extensively
It is general to be applied to aerospace, the precision components such as mobile phone semiconductor field.It produces in bright annealing line with a thickness of 0.02mm strip
During, since strip tension value and strip differ very little with the frictional resistance value of roll surface, tension and velocity variations etc. are extraneous
Disturbance can make to generate differential sliding between steel band and jockey pulley, lead to disconnected band, take out band, sideslip, therefore, high-precision
Power control is the necessary condition for guaranteeing the entire annealing process of paper-thin strip and going on smoothly.
Summary of the invention
To solve above-mentioned the technical problems existing in the prior art, it is accurate stainless that the present invention provides a kind of 0.05mm or less
Steel belt tension roll group master & slave control system and method.Specific technical solution is as follows:
In a first aspect, a kind of 0.05mm or less precise stainless steel strip tension roll assembly master & slave control system is provided, described
Power roller group includes a drive roll and multiple driven vollers, the system comprises: PLC, vector frequency converter, servo motor, rotation
Encoder and communication bus；Described in the corresponding vector frequency converter of each jockey pulley, a servo motor and one
Rotary encoder, each vector frequency converter are connected with corresponding servo motor, control the servo motor operating, Mei Gesuo
It states servo motor to connect with the corresponding rotary encoder, the rotary encoder is for detecting motor speed and will test number
According to being sent to the vector frequency converter；The vector frequency converter includes: torque controller, process controller and speed control；
In master vector frequency converter, speed control receives the tension compensating value that PLC speed setting value and process controller issue, and issues
Principal velocity signal；Torque controller receives the feedback signal of the principal velocity signal and rotary encoder, issues main torque output
Value, controls corresponding servo motor operating, and the master vector frequency converter is the corresponding vector frequency converter of the drive roll；Each from
In vector frequency converter, principal velocity signal of the principal velocity signal as speed control, process controller receives the master and turns
The slave torque output value of square output valve and the driven voller issues auxiliary speed signal；The speed control receives the master
Speed signal and the auxiliary speed signal are issued from speed signal, the torque controller receive it is described from speed signal and
The feedback signal of rotary encoder is issued from torque output value, controls corresponding servo motor operating, described from vector frequency converter
For the corresponding vector frequency converter of the driven voller.
In a kind of possible design, the vector frequency converter further include: torque dynamic compensation function block；It is described from vector
In frequency converter, the principal velocity signal enters the process controller by the torque dynamic compensation function block；The main arrow
It measures in frequency converter, the principal velocity signal is after the torque dynamic compensation function block compensates the main torque output value
It is sent to each described from the process controller in vector frequency converter.
A kind of process control in possible design, the system also includes tensometer, in the master vector frequency converter
The tension actual value that device receives tension setting value and the tensometer measures is practical according to the tension setting value and the tension
Value issues the tension compensating value.
In a kind of possible design, the PLC is Siemens S7-300 series.
In a kind of possible design, the vector frequency converter is Lenze9300 series.
In a kind of possible design, the rotary encoder and the servo motor integrated setting.
In a kind of possible design, the communication bus is profibus communication bus.
Second aspect provides a kind of 0.05mm or less precise stainless steel strip tension roll assembly master-slave control method, the side
Method includes；
In master vector frequency converter, speed control receives PLC speed setting value and tension compensating value, issues principal velocity letter
Number, torque controller receives the feedback signal of the principal velocity signal and rotary encoder, issues main torque output value, control pair
The servo motor operating answered；
From vector frequency converter, process controller receives the slave torque output value of the main torque output value and driven voller,
Auxiliary speed signal is issued, speed control receives the auxiliary speed signal and the principal velocity signal, issues and believes from speed
Number；Torque controller receives the feedback signal from speed signal and rotary encoder, issues from torque output value, control pair
The servo motor operating answered.
In a kind of possible design, in the master vector frequency converter, the principal velocity signal is through torque dynamic compensation function
Can block compensated from the main torque output value of vector frequency converter to being sent to described；The principal velocity signal enters described from arrow
The process controller is sent to through torque dynamic compensation function block after amount frequency converter.
In a kind of possible design, in the master vector frequency converter, the process controller receive tension setting value and
Tension actual value issues the tension compensating value according to the tension setting value and the tension actual value.
The major advantage of technical solution of the present invention is as follows:
0.05mm or less precise stainless steel strip tension roll assembly master & slave control system and method for the invention, by by drive roll
The input of principal velocity signal and main torque output value as driven voller control loop in control loop, synchronism is higher, can be with
Realize Accurate tension control, control system anti-interference ability is stronger, avoids the occurrence of disconnected band, takes out the problems such as band, sideslip, ensure that pole
The smooth production of Thin Strip Steel, economic benefit are higher.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes of the invention one
Point, the illustrative embodiments of the present invention and their descriptions are used to explain the present invention, does not constitute improper limitations of the present invention.Attached
In figure:
Fig. 1 is the knot of 0.05mm or less precise stainless steel strip tension roll assembly control system provided by one embodiment of the present invention
Structure schematic diagram；
Fig. 2 is the control of 0.05mm or less precise stainless steel strip tension roll assembly control system provided by one embodiment of the present invention
Schematic diagram processed；
Fig. 3 is 0.05mm or less precise stainless steel strip tension roll assembly control system transfer provided by one embodiment of the present invention
The compensated torque value relation schematic diagram of square dynamic compensation function block；
Fig. 4 is 0.05mm or less precise stainless steel strip tension roll assembly control system provided by one embodiment of the present invention use
When 1# roller tension dynamic and stable state variation diagram；
Fig. 5 is 0.05mm or less precise stainless steel strip tension roll assembly control system provided by one embodiment of the present invention use
When 2# roller tension dynamic and stable state variation diagram；
Fig. 6 is 0.05mm or less precise stainless steel strip tension roll assembly control system provided by one embodiment of the present invention use
When 3# roller tension dynamic and stable state variation diagram；
Fig. 7 is 0.05mm or less precise stainless steel strip tension roll assembly control system provided by one embodiment of the present invention use
When 4# roller tension dynamic and stable state variation diagram.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and
Technical solution of the present invention is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only of the invention
A part of the embodiment, instead of all the embodiments.Based on the embodiment of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
Below in conjunction with attached drawing, the technical solution of embodiment that the present invention will be described in detail offer.
In a first aspect, the embodiment of the invention provides a kind of 0.05mm or less precise stainless steel strip tension roll assembly master & slave controls
System, tension roll assembly include a drive roll and multiple driven vollers, which includes: PLC (Programmable Logic
Controller, programmable logic controller (PLC)), vector frequency converter, servo motor, rotary encoder and communication bus.Each
Power roller corresponds to a vector frequency converter, a servo motor and a rotary encoder, each vector frequency converter and watches with corresponding
Motor connection, control servo motor operating are taken, each servo motor is connect with rotary encoder, and rotary encoder is for detecting electricity
Machine revolving speed simultaneously will test data and be sent to vector frequency converter.Vector frequency converter includes: torque controller, process controller and speed
Controller.In master vector frequency converter, speed control receives the tension compensating that PLC speed setting value and process controller issue
Value issues principal velocity signal；Torque controller receives the feedback signal of principal velocity signal and rotary encoder, and it is defeated to issue main torque
It is worth out, controls corresponding servo motor operating, master vector frequency converter is the corresponding vector frequency converter of drive roll.Each become from vector
In frequency device, principal velocity signal of the principal velocity signal as speed control, process controller receives main torque output value and driven
The slave torque output value of roller issues auxiliary speed signal；Speed control receives principal velocity signal and auxiliary speed signal, issues
From speed signal, torque controller receives the feedback signal from speed signal and rotary encoder, issues from torque output value, control
Corresponding servo motor operating is made, is the corresponding vector frequency converter of driven voller from vector frequency converter.
Below to 0.05mm or less precise stainless steel strip tension roll assembly master & slave control system provided in an embodiment of the present invention
Working principle is illustrated:
In use, speed control receives PLC speed setting value and tension compensating value in master vector frequency converter, master is issued
Speed signal, torque controller receive the feedback signal of principal velocity signal and rotary encoder, issue main torque output value, control
Corresponding servo motor operating.From vector frequency converter, process controller receive main torque output value and driven voller from torque
Output valve issues auxiliary speed signal, and speed control receives auxiliary speed signal and principal velocity signal, issues and believes from speed
Number；Torque controller receives the feedback signal from speed signal and rotary encoder, issues corresponding from torque output value control
Servo motor operating.
0.05mm or less precise stainless steel strip tension roll assembly master & slave control system provided in an embodiment of the present invention, by that will lead
The input of principal velocity signal and main torque output value as driven voller control loop in dynamic roller control loop, synchronism is higher,
Accurate tension control may be implemented, control system anti-interference ability is stronger, avoids the occurrence of disconnected band, takes out the problems such as band, sideslip, guarantees
The smooth production of paper-thin strip, economic benefit are higher.
Optionally, in the embodiment of the present invention, vector frequency converter further include: torque dynamic compensation function block；From vector converter
In device, principal velocity signal enters process controller through over torque dynamic compensation function block；In master vector frequency converter, principal velocity signal
It is sent to after torque dynamic compensation function block compensates main torque output value each from excessively program-controlled in vector frequency converter
Device processed.So set, can be improved the stability of motor output torque and the precision of tension force, tension in control process is realized
The dynamic equilibrium of constant speed fine tuning, motor output torque fluctuation range reduce, and peak value reduces in dynamic process, promote control system
System anti-interference ability.
Optionally, 0.05mm or less precise stainless steel strip tension roll assembly master & slave control system provided in an embodiment of the present invention is also
Including tensometer, the tension actual value that the process controller in master vector frequency converter receives tension setting value and tensometer measures,
Tension compensating value is issued according to tension setting value and tension actual value.It is understood that if tension actual value is set with tension
The deviation of definite value is positive, and tension compensating value makes the reduction of principal velocity signal, so that actual tension value is smaller.If tension actual value with
The deviation of tension setting value is negative, and tension compensating value increases principal velocity signal, so that actual tension value increases.If tension is real
Actual value is identical as tension setting value, then tension compensating value is 0.By tension compensating, keep steel band tension within a preset range.
Optionally, in the embodiment of the present invention, PLC can be able to be for Siemens S7-300 series, vector frequency converter
Lenze9300 series.Rotary encoder and servo motor integrated setting can be included speed feedback rotary encoder
Lenze servo motor.Communication bus can be profibus communication bus, and the selection of upper member need to only be able to satisfy use demand
?.
Second aspect, the embodiment of the invention provides a kind of 0.05mm or less precise stainless steel strip tension roll assembly master & slave controls
Method, this method include；
In master vector frequency converter, speed control receives PLC speed setting value and tension compensating value, issues principal velocity letter
Number, torque controller receives the feedback signal of principal velocity signal and rotary encoder, issues main torque output value, controls corresponding
Servo motor operating.
From vector frequency converter, process controller receives the slave torque output value of main torque output value and driven voller, issues
Speed signal is assisted, speed control receives auxiliary speed signal and principal velocity signal, issues from speed signal；Torque controller
The feedback signal from speed signal and rotary encoder is received, issues from torque output value and controls corresponding servo motor operating.
0.05mm or less precise stainless steel strip tension roll assembly master-slave control method provided in an embodiment of the present invention, by that will lead
The input of principal velocity signal and main torque output value as driven voller control loop in dynamic roller control loop, synchronism is higher,
Accurate tension control may be implemented, anti-interference ability is stronger, avoids the occurrence of disconnected band, takes out the problems such as band, sideslip, ensure that strip in razor-thin
The smooth production of steel, economic benefit are higher
Optionally, this method further include: in master vector frequency converter, principal velocity signal is through torque dynamic compensation function block to hair
It gives from the main torque output value of vector frequency converter and compensates；Principal velocity signal enters after vector frequency converter through torque dynamic
Compensation functional block is sent to process controller.So set, can be improved the stability and tension force of motor output torque
Precision realizes the dynamic equilibrium of constant tension fine speed adjustment in control process, and motor output torque fluctuation range reduces, dynamic mistake
Peak value reduces in journey, Lifting Control System anti-interference ability
It is sent to the tension compensating value of speed control for how to obtain, is illustrated below: master vector frequency conversion
In device, process controller receives tension setting value and tension actual value, issues tension according to tension setting value and tension actual value
Offset.By tension compensating, keep steel band tension within a preset range.
Below with reference to specific example, to 0.05mm or less precise stainless steel strip tension roll assembly provided in an embodiment of the present invention
Master & slave control system and method is illustrated:
Attached drawing 1 shows the structure chart of the control system；Attached drawing 2 is the inside annexation figure of vector frequency converter, that is, main
From control principle drawing.In attached drawing 1 and attached drawing 2, M indicates that servo motor, E indicate that rotary encoder, Servo indicate vector converter
Device, MCTRL indicate that torque controller, PCTRL indicate that process controller, NSET indicate that speed control, CURVE1 indicate torque
Dynamic compensation function block.
In this example, tension roll assembly is by 4 tension roll assemblies at drive roll of 4 rollers as entire tension roll assembly, remaining 3
Roller is live-roller.The corresponding vector frequency converter of 4 rollers be main vector frequency converter, 1 roller, 2 rollers, the corresponding vector frequency converter of 3 rollers be from
Vector frequency converter.As shown in Fig. 1, in master vector frequency converter, port AIF receives PLC speed setting value, and port x 6,1, which receives, to be opened
Power actual value, port x 9 issue principal velocity signal and main dtc signal, receive principal velocity letter from vector frequency converter middle port X9,10
Number and main dtc signal.
In master & slave control, it is the output using main motor (4 roller motor) as the input from motor (3,2,1 roller motor), makes
Main motor is followed from motor, when all fronts speed and strip tension jump, the variation of main motor is followed from motor and changes,
To guarantee that the output torque percentage of each motor is balanced in entire control process, such motor is just not in overload or underload
The phenomenon that.
Drive roll of 4 rollers as entire tension roll assembly, tension and speed preset are realized by the roller.Pass through
Profibus receives speed preset signal (that is, PLC speed setting value) AIF-IN.W1 of PLC, main speed of the signal as the roller
Degree Setting signal is connected to the end NSET-N of NSET.Tensometer detected value between 3# jockey pulley and 4# jockey pulley is (that is, tension is real
Actual value) pass through X6,1 analog input terminal AIN1 is transmitted to the PCTRL-ACT, process controller PCTRL of process controller PCTRL
PCTRL1-SET receive PLC in section (No. 3 jockey pulley rollers to No. 4 tension roll assemblies) the tension setting value.Process controller PCTRL
Output end PCTRL1-OUT connection speed controller NSET auxiliary speed preset signal (NSET-NADD, that is, tension compensating
Value).If the deviation of tension actual value and tension setting value is positive, the speed preset unit NSET-NOUT of No. 4 rollers will be reduced
Reduce actual tension value；If tension variation is negative, the speed preset unit NSET-NOUT of No. 4 roller groups will be increased
Increase actual tension value；Realize the dynamic equilibrium of constant tension fine speed adjustment in control process.Speed signal NSET-NOUT
(that is, principal velocity signal) and encoder feedback signal input MCTRL control module, for the adjusting of motor torque, while motor
Output torque (that is, main output torque) by the X6 of analog quantity terminal AOUT1,62 terminals, which export, gives driven voller PCTRL-SET.
The driven voller of 3 rollers, 2 rollers, 1 roller as 4 tension roll assemblies.Principal velocity signal NSET-N is connect by the sub- X9 of several frequency input terminals
Receive the principal velocity signal from 4 rollers.The auxiliary speed signal of speed control comes from process controller PCTRL-OUT, the signal
Be 4 roller torques output valve PCTRL-SET and driven voller torque output valve PCTRL-ACT difference by gain superposition synthesis
's.Speed signal NSET-NOUT and encoder feedback signal input MCTRL control module, for the adjusting of motor torque, if
The deviation of tension actual value and tension setting value is positive, and the speed preset unit NSET-NOUT of driven roller group will will increase to make
Actual tension value reduces；If tension variation is negative, the speed preset unit NSET-NOUT of driven voller will be reduced to make reality
Border tension value increases；For different speed intervals, increases CURVE1 functional block and the output torque of motor is compensated.Simultaneously
Increase CURVE1 functional block after the setting speed of 4 roller of drive roll and dynamic compensation is carried out to each driven roller motor, improves electricity
The stability of machine output torque and the precision of tension force realize the dynamic equilibrium of constant tension fine speed adjustment in control process.
Wherein, the torque constant interval of compensation functional block may refer to attached drawing 3, and abscissa x indicates speed, y table in attached drawing
Show torque, the corresponding compensated torque value of different speed can be obtained by attached curve shown in Fig. 3.For example following tables one of each parameter
It is shown.
One compensated torque functional block parameter list of table
| Parameter | 4 rollers | 3 rollers | 2 rollers | 1 roller |
| CURVE1 y0 | 2% | 1% | 2% | 2% |
| CURVE1 y1 | 3% | 2% | 5% | 6% |
| CURVE1 y2 | 4% | 3% | 6% | 8% |
| CURVE1 y100 | 5% | 4% | 7% | 9% |
| CURVE1 x1 | 30% | 30% | 30% | 30% |
| CURVE1 x2 | 60% | 60% | 60% | 60% |
Choose 0.02mm stainless steel and carry out annealing production, when steel band passes through tension roll assembly to dynamic characteristic and steady-state characteristic into
Row is analyzed, and in steady state operation, drive roll and driven voller motor torque are stablized between -22%~-28%, is not turned
Square exports unbalanced phenomenon.In moderating process, the differential sliding between steel band and roll surface is substantially reduced, drive roll motor torque
There is peak value, maximum value 10% settles out after two peak values.Driven voller motor output torque peak-peak also under
10% or so is fallen below, subsequently into stable state.In accelerator, drive roll and driven roller motor peak value are -50% or so, so
Enter stable state afterwards.The results show that motor output torque fluctuation range reduces in steady state operation and dynamic running process, it is defeated
Torque peak is reduced out, and without there is apparent differential sliding between steel band and roll surface, steel band can smoothly pass through
There is not the problem of taking out band and disconnected band in tension roll assembly.
Wherein, 1# roller tension dynamic and stable state variation diagram are as shown in Fig. 4, and 2# roller tension dynamic and stable state variation diagram are for example attached
Shown in Fig. 5,3# roller tension dynamic and stable state variation diagram are as shown in Fig. 6,4# roller tension dynamic and stable state variation diagram such as 7 institute of attached drawing
Show.
It should be noted that, in this document, the relational terms of such as " first " and " second " or the like are used merely to one
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In addition, placement shape of "front", "rear", "left", "right", "upper", the "lower" herein to be indicated in attached drawing
State is reference.
Finally, it should be noted that the above examples are only used to illustrate the technical scheme of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of 0.05mm or less precise stainless steel strip tension roll assembly master & slave control system, which is characterized in that the tension roll assembly
Including a drive roll and multiple driven vollers, the system comprises: PLC, vector frequency converter, servo motor, rotary encoder
And communication bus；
The corresponding vector frequency converter of each jockey pulley, a servo motor and a rotary encoder, often
A vector frequency converter is connected with corresponding servo motor, controls servo motor operating, each servo motor with
Corresponding rotary encoder connection, the rotary encoder for detect motor speed and will test data be sent to it is described
Vector frequency converter；
The vector frequency converter includes: torque controller, process controller and speed control；
In master vector frequency converter, speed control receives the tension compensating value that PLC speed setting value and process controller issue,
Issue principal velocity signal；Torque controller receives the feedback signal of the principal velocity signal and rotary encoder, issues main torque
Output valve, controls corresponding servo motor operating, and the master vector frequency converter is the corresponding vector frequency converter of the drive roll；
Each from vector frequency converter, principal velocity signal of the principal velocity signal as speed control, process controller is connect
The slave torque output value of the main torque output value and the driven voller is received, auxiliary speed signal is issued；The speed control
Receive the principal velocity signal and the auxiliary speed signal, issue from speed signal, the torque controller receive it is described from
The feedback signal of speed signal and rotary encoder is issued from torque output value, controls corresponding servo motor operating, it is described from
Vector frequency converter is the corresponding vector frequency converter of the driven voller.
2. 0.05mm or less precise stainless steel strip tension roll assembly master & slave control system according to claim 1, feature exist
In the vector frequency converter further include: torque dynamic compensation function block；
It is described from vector frequency converter, the principal velocity signal by the torque dynamic compensation function block enter it is described excessively program-controlled
Device processed；
In the master vector frequency converter, the principal velocity signal is through the torque dynamic compensation function block to the main torque output
Value is sent to each described from the process controller in vector frequency converter after compensating.
3. 0.05mm or less precise stainless steel strip tension roll assembly master & slave control system according to claim 1, feature exist
In the system also includes tensometer, the process controller in the master vector frequency converter receives tension setting value and described
The tension actual value that power measures issues the tension compensating value according to the tension setting value and the tension actual value.
4. 0.05mm or less precise stainless steel strip tension roll assembly master & slave control system according to claim 1, feature exist
In the PLC is Siemens S7-300 series.
5. 0.05mm or less precise stainless steel strip tension roll assembly master & slave control system according to claim 1, feature exist
In the vector frequency converter is Lenze9300 series.
6. 0.05mm or less precise stainless steel strip tension roll assembly master & slave control system according to claim 1, feature exist
In the rotary encoder and the servo motor integrated setting.
7. 0.05mm or less precise stainless steel strip tension roll assembly master & slave control system according to claim 1, feature exist
In the communication bus is profibus communication bus.
8. a kind of 0.05mm or less precise stainless steel strip tension roll assembly master-slave control method, which is characterized in that the method includes；
In master vector frequency converter, speed control receives PLC speed setting value and tension compensating value, issues principal velocity signal, turns
Square controller receives the feedback signal of the principal velocity signal and rotary encoder, issues main torque output value, controls corresponding
Servo motor operating；
From vector frequency converter, process controller receives the slave torque output value of the main torque output value and driven voller, issues
Speed signal is assisted, speed control receives the auxiliary speed signal and the principal velocity signal, issues from speed signal；Turn
Square controller receives the feedback signal from speed signal and rotary encoder, issues from torque output value, controls corresponding
Servo motor operating.
9. 0.05mm or less precise stainless steel strip tension roll assembly master-slave control method according to claim 8, feature exist
In in the master vector frequency converter, the principal velocity signal is described from vector change to being sent to through torque dynamic compensation function block
The main torque output value of frequency device compensates；
The principal velocity signal enter it is described be sent to after vector frequency converter through torque dynamic compensation function block it is described excessively program-controlled
Device processed.
10. 0.05mm or less precise stainless steel strip tension roll assembly master-slave control method according to claim 8 or claim 9, special
Sign is, in the master vector frequency converter, the process controller receives tension setting value and tension actual value, according to described
Power setting value and the tension actual value issue the tension compensating value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910536849.3A CN110329825B (en) | 2019-06-20 | 2019-06-20 | Master-slave control system and method for precision stainless steel strip tension roller set with thickness of less than 0.05mm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910536849.3A CN110329825B (en) | 2019-06-20 | 2019-06-20 | Master-slave control system and method for precision stainless steel strip tension roller set with thickness of less than 0.05mm |
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| Publication Number | Publication Date |
|---|---|
| CN110329825A true CN110329825A (en) | 2019-10-15 |
| CN110329825B CN110329825B (en) | 2020-08-21 |
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|---|---|---|---|
| CN201910536849.3A Active CN110329825B (en) | 2019-06-20 | 2019-06-20 | Master-slave control system and method for precision stainless steel strip tension roller set with thickness of less than 0.05mm |
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| CN (1) | CN110329825B (en) |
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