CN108033673A - The anti-interference method of fiber drawing tower - Google Patents
The anti-interference method of fiber drawing tower Download PDFInfo
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- CN108033673A CN108033673A CN201711157928.0A CN201711157928A CN108033673A CN 108033673 A CN108033673 A CN 108033673A CN 201711157928 A CN201711157928 A CN 201711157928A CN 108033673 A CN108033673 A CN 108033673A
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/0253—Controlling or regulating
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
- C03B37/02718—Thermal treatment of the fibre during the drawing process, e.g. cooling
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/03—Drawing means, e.g. drawing drums ; Traction or tensioning devices
- C03B37/032—Drawing means, e.g. drawing drums ; Traction or tensioning devices for glass optical fibres
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Manufacture, Treatment Of Glass Fibers (AREA)
Abstract
The invention discloses a kind of anti-interference method of fiber drawing tower, it is related to information technology field, this method comprises the following steps：The deviation signal for being disturbed device in last cycle and the size of corresponding relevant parameter, and the difference of the deviation signal for being disturbed device in the deviation signal for the being disturbed device calculating last cycles of current period and the deviation signal for being disturbed device of current period are calculated according to pid algorithm.Whether within a preset range difference is judged, if so, the size of the relevant parameter of current period is calculated according to pid algorithm, if it is not, then the relevant parameter value of current period is the size of the relevant parameter in last cycle.The anti-interference method of fiber drawing tower in the present invention can effectively remove interference signal, enable fiber drawing tower stable operation, and increase substantially production efficiency.
Description
Technical field
The present invention relates to information technology field, and in particular to a kind of anti-interference method of fiber drawing tower.
Background technology
Fiber drawing tower mainly includes application system, wire drawing furnace system, main retractor system and Optical fiber winding-up machine.
Wherein, as shown in Figure 1, application system is the important equipment in drawing optical fibers tower process, coating is applicator system
Unite and apply last layer for bare fibre and protect resin to protect optical fiber, equipment can stable operation be directly related to the production effect of production line
Rate.Application system is by applicator, pressure controller (PC valves) and pressure sensor composition.The output valve P of pressure controller3It is servo-actuated
Setup pressure value P1, deviation signal is provided by pressure sensor.
If tracking is bad, optical fiber surface resin will be made uneven, influence the geometrical property and physical characteristic of optical fiber.Institute
With this link is the important step and difficult point of whole wire-drawer-tower.In order to pull out acceptable splice with ensureing wire-drawer-tower smooth sequential,
The pressure of applicator must keep stable.Due to drawing optical fibers workshop be difficult to avoid that there are various electromagnetic equipments, electromagnetic interference
The pressure signal of pressure sensor can be caused a series of glitches occur, and then produce the deviation signal of mistake.The deviation of mistake
Signal feeds back to PID controller, and can produce the control signal of mistake, causes whole PID closed-loop systems unstability, and then stop
Produce failure.Referring to the signal distribution plots in Fig. 2, wherein A, B is exactly glitch, and the deviation that these glitches can make to calculate is believed
Number generation amplitude is very big quivers, and then makes P in a short time3Generation is very big to quiver, and this quiver can cause optical fiber to apply
Cover uneven, influence optical fiber quality.
Wire drawing furnace system as shown in figure 3, wire drawing furnace system is the important component of fiber drawing tower, its by fiber drawing furnace,
The copper cable composition of fiber drawing furnace power control cabinet, pyrometer (temperature sensor) and carrying high currents.Preform passes through fiber drawing furnace
Molten state is heated into, with temperature constantly rise, the prefabricated rods of molten state can be dripped gradually.Pulling force effect in winding system
Under be cooled into optical fiber.Power control cabinet output temperature T2It is main investigation parameter, temperature sensor is used for providing deviation signal.
The quality of wire drawing furnace system directly influences the quality of optical fiber, is highly important the one of whole fiber drawing tower
Ring.The stability of wire drawing furnace system is very big on making acceptable splice influence.If the temperature of fiber drawing furnace is absolute beyond control
Unstable parameter just occurs in stabilization, the optical fiber worked it out, and this unqualified optical fiber can above there are problems that potentially in use.
In order to pull out acceptable splice with ensureing wire-drawer-tower smooth sequential, the temperature of fiber drawing furnace must keep stable.Due to drawing optical fibers car
Between be difficult to avoid that there are various electromagnetic equipments, electromagnetic interference can cause the temperature signal of temperature sensor a series of false letters occur
Number, and then produce the deviation signal of mistake.The deviation signal of mistake feeds back to PID controller, and can produce the control letter of mistake
Number, cause whole PID closed-loop systems unstability, and then halt production failure occur.Referring to the signal distribution plots in Fig. 2, wherein A, B is exactly
Glitch, these glitches can produce the deviation signal calculated amplitude is very big to quiver, and then make T in a short time2
Generation is very big to quiver, and this quiver can cause optical fiber quality unqualified.
Main trailer system is as shown in figure 4, main retractor system is the important component of fiber drawing tower, in whole wire drawing
Play a part of forming a connecting link in tower.It send burning till the prefabricated rods drawing optic fibre of molten state by fiber drawing furnace into winding system.
The quality of main trailer system working performance directly affects the job stability of optical fiber quality and winding system.It is if main
Trailer system cannot be good work, bigger fluctuation (small fluctuation is allowed) will occur for the string diameter of optical fiber.And
The big fluctuation of optical fiber string diameter is not allowed in technique, can influence the geometric parameter and optic delivery performance of optical fiber.Main traction
Device system is made of main tractor, caliper, fiber drawing furnace and prefabricated rods feed system.Actual string diameter (light is surveyed by caliper
Fine diameter) and setting string diameter difference provide deviation signal.In order to carry out with ensureing whole drawing process smooth sequential, main traction
The speed that the speed of wheel must be fed with prefabricated rods matches.
Due to drawing optical fibers workshop be difficult to avoid that there are various electromagnetic equipments, electromagnetic interference to cause caliper to be surveyed
There are a series of glitches in string diameter signal, and then produces the deviation signal of mistake.The deviation signal of mistake feeds back to PID control
Device, and the control signal of mistake can be produced, cause whole PID closed-loop systems unstability, and then halt production failure occur.Referring in Fig. 2
Signal distribution plots, wherein A, B are exactly glitch, and it is very big that these glitches can make the deviation signal calculated produce amplitude
To quiver, and then make the speed generation of main traction wheel is very big to quiver in a short time, this quiver can be mutated fibre diameter,
Applicator is blocked, causes halt production failure.
Optical fiber winding-up machine is the important equipment of drawing optical fibers tower process end, equipment can stable operation be directly related to life
The production efficiency of producing line.Shown in Figure 5, Fig. 5 is the organigram of Optical fiber winding-up machine system, including connected by pulley
Optical fiber winding-up machine, dancing wheel and main traction wheel.Optical fiber winding-up machine passes through PID (Proportion Integral
Differential) algorithm is servo-actuated main traction wheel, and position error signal is provided by dancing wheel.The speed of main traction wheel is generally in 0-
Change between 500m/min.It is usually the gradual slow raising speed since 0 in normal productive process, finally stablizes and meet work at one
Skill requirement speed (such as：400m/min).In order to carry out with ensureing whole take-up process smooth sequential, the rotation of Optical fiber winding-up machine
Rotary speed must match with the speed of main traction wheel.
Due to drawing optical fibers workshop be difficult to avoid that there are various electromagnetic equipments, electromagnetic interference can cause the position of dancing wheel
There are a series of glitches in signal, and then produces the deviation signal of mistake.The deviation signal of mistake feeds back to PID controller, again
The control signal of mistake can be produced, causes whole PID closed-loop systems unstability, and then halt production failure occur.Referring to the dancing in Fig. 2
The position signal distribution map of wheel, wherein A, B are exactly glitch, and the deviation signal that these glitches can make to calculate produces amplitude
Very big quivers, and then makes the rotary speed generation of Optical fiber winding-up machine is very big to quiver in a short time, and this quiver can make
Optical fiber is pulled off, and causes halt production failure, very unfavorable to producing.
The content of the invention
For defect existing in the prior art, it is an object of the invention to provide one kind can effectively remove interference letter
Number, enable fiber drawing tower stable operation, and then increase substantially the anti-interference method of the fiber drawing tower of production efficiency.
To achieve the above objectives, the present invention adopts the technical scheme that：
A kind of anti-interference method of fiber drawing tower, this method comprise the following steps：
The deviation signal for being disturbed device in last cycle and the size of corresponding relevant parameter are calculated according to pid algorithm,
And the deviation signal for being disturbed device of current period；
Calculate the deviation signal for being disturbed device in last cycle and the deviation signal for being disturbed device of current period
Difference；And
Whether within a preset range to judge the difference, if so, the relevant parameter of current period is calculated according to pid algorithm
Size, if it is not, then the relevant parameter value of current period is the size of the relevant parameter in last cycle.
Based on the above technical solutions, the deviation signal for being disturbed device is the pressure divergence of pressure sensor
Signal, the relevant parameter are the output valve of pressure controller；
The calculation formula of the pressure divergence signal of the pressure sensor is：
E1=P1–P2 (1)
Wherein, P1For the setting signal of pressure, P2The actual pressure signal obtained for pressure sensor, E1For pressure sensing
The pressure divergence signal of device；
Calculate the pressure divergence signal of pressure sensor and the pressure of current period in last cycle respectively using formula (1)
The pressure divergence signal of sensor；
The calculation formula of the output valve of the pressure controller is：
P3=1.1*P1+Kp*E1+∑(Ki*E1) (2)
Wherein, P3For the output valve of pressure controller, KpFor proportionality coefficient, KiFor integral coefficient, P1Believe for the setting of pressure
Number.
Based on the above technical solutions, the pressure divergence signal of the pressure sensor in last cycle and current week are calculated
The difference E of the pressure divergence signal of the pressure sensor of phased1, judge Ed1Size, if -20≤Ed1≤ 30, then according to current week
The pressure divergence signal and the formula (2) of the pressure sensor of phase calculate the output valve of the pressure controller of current period, if
Ed1>30 or Ed1<- 20, then the output valve value of the pressure controller of current period is the output of the pressure controller in last cycle
Value.
Based on the above technical solutions, the deviation signal for being disturbed device is the temperature deviation of temperature sensor
Signal, the relevant parameter are power control cabinet output temperature；
The calculation formula of the temperature error signal of the temperature sensor is：
E2=T0–T1 (3)
Wherein, T0For the setting signal of temperature, T1The actual temperature signal obtained for temperature sensor, E2For temperature sensing
The temperature error signal of device；
Calculate the temperature error signal of temperature sensor and the temperature of current period in last cycle respectively using formula (3)
The temperature error signal of sensor；
The calculation formula of the power control cabinet output temperature is：
T2=Kp*E2+∑(Ki*E2)+Kd*dE2/dt (4)
Wherein, T2For power control cabinet output temperature, KiFor integral coefficient, KdFor differential coefficient.
Based on the above technical solutions, the temperature error signal of the temperature sensor in last cycle and current week are calculated
The difference E of the temperature error signal of the temperature sensor of phased2, judge Ed2Size, if -10≤Ed2≤ 10, then according to current week
The temperature error signal of the temperature sensor of phase and the formula (4) calculate the power control cabinet output temperature of current period, if Ed2>10
Or Ed2<- 10, then the power control cabinet output temperature value of current period is the power control cabinet output temperature in last cycle.
Based on the above technical solutions, the deviation signal for being disturbed device is the diameter deviation signal of optical fiber,
The relevant parameter is the speed of main traction wheel；
The calculation formula of the diameter deviation signal of the optical fiber is：
E3=L0–L (5)
Wherein, L0The fibre diameter actual signal surveyed for the setting signal of fibre diameter, L by caliper, E3For optical fiber
Diameter deviation signal；
Calculate the diameter of the diameter deviation signal of the optical fiber in last cycle and the optical fiber of current period respectively using formula (5)
Deviation signal；
The calculation formula of the speed of the main traction wheel is：
V1=0.8*V0+Kp*E3+∑(Ki*E3) (6)
Wherein, V0The speed of motor, K are fed for prefabricated rodspFor proportionality coefficient, KiFor integral coefficient, V1For main traction wheel
Speed.
Based on the above technical solutions, the diameter deviation signal of the optical fiber in last cycle and the light of current period are calculated
The difference E of fine diameter deviation signald3, judge Ed3Size, if -80≤Ed3≤ 100, then according to the optical fiber of current period
Diameter deviation signal and the formula (6) calculate the speed of the main traction wheel of current period, if Ed3>100 or Ed3<- 80, then when
The speed value of the main traction wheel in preceding cycle is the speed of the main traction wheel in last cycle.
Based on the above technical solutions, the deviation signal for being disturbed device is believed for the position deviation of dancing wheel
Number, the relevant parameter is the rotary speed of Optical fiber winding-up machine；
The calculation formula of the position error signal of the dancing wheel is：
E4=S0–S (7)
Wherein, S0The actual position signal obtained for the setting position signal of dancing wheel, S for dancing wheel position sensor, E4
For the position error signal of dancing wheel；
Calculate the position error signal of the dancing wheel in last cycle and the dancing wheel of current period respectively using formula (7)
Position error signal；
The calculation formula of the rotary speed of the Optical fiber winding-up machine is：
V2=0.6*V1+Kp*E4+∑(Ki*E4) (8)
Wherein, V1For the speed of main traction wheel, KpFor proportionality coefficient, KiFor integral coefficient, V2For the rotation of Optical fiber winding-up machine
Speed.
Based on the above technical solutions, the position error signal and current period for calculating the dancing wheel in last cycle are waved
Step the difference E of the position error signal of wheeld4, judge Ed4Size, if -55≤Ed4≤ 80, then according to the dancing wheel of current period
Position error signal and the formula (8) calculate current period Optical fiber winding-up machine rotary speed, if Ed4>80 or Ed4<-
55, then the rotary speed value of the Optical fiber winding-up machine of current period is the rotary speed of the Optical fiber winding-up machine in last cycle.
Based on the above technical solutions, the time in each cycle is 20ms.
Compared with prior art, the advantage of the invention is that：
The present invention fiber drawing tower anti-interference method, it uses the thought of second differnce, calculate the last cycle by
The difference of the deviation signal of countermeasure set and the deviation signal for being disturbed device of current period, the size by judging difference are
No to determine the relevant parameter of current period, how this determines within a preset range, if the value of difference is very big, not in preset range
Interior, then the relevant parameter of current period can keep the value in previous cycle, so that good exclusive PCR, ensures Optical fiber winding-up machine
Operation steady in a long-term.
Brief description of the drawings
Fig. 1 is the organigram of application system in the present invention；
Fig. 2 is the distribution map of various signals in the present invention；
Fig. 3 is the organigram of wire drawing furnace system in the present invention；
Fig. 4 is the organigram of main retractor system in the present invention；
Fig. 5 is the organigram of Optical fiber winding-up machine in the present invention；
Fig. 6 is the flow chart of the anti-interference method of application system in the present invention；
Fig. 7 is the flow chart of the anti-interference method of wire drawing furnace system in the present invention；
Fig. 8 is the flow chart of the anti-interference method of main retractor system in the present invention；
Fig. 9 is the flow chart of the anti-interference method of Optical fiber winding-up machine in the present invention.
Embodiment
The present invention is described in further detail below in conjunction with attached drawing.
The present invention provides a kind of anti-interference method of fiber drawing tower, and this method comprises the following steps：
S1. according to pid algorithm calculate last cycle the deviation signal for being disturbed device and corresponding relevant parameter it is big
It is small, and the deviation signal for being disturbed device of current period.
Fiber drawing tower mainly includes application system, wire drawing furnace system, main retractor system and Optical fiber winding-up machine.Wherein apply
System is covered by applicator, pressure controller (PC valves) and pressure sensor composition.Wire drawing furnace system is automatically controlled by fiber drawing furnace, fiber drawing furnace
The copper cable composition of cabinet, pyrometer (temperature sensor) and carrying high currents.Main retractor system is by main tractor, caliper,
Fiber drawing furnace and prefabricated rods feed system are formed.
Mainly the pressure divergence signal including pressure sensor, temperature pass the deviation signal for being disturbed device in the present invention
The position error signal of the temperature error signal of sensor, the diameter deviation signal of optical fiber and dancing wheel.Device is disturbed with above-mentioned
Deviation signal corresponding relevant parameter be followed successively by the output valve of pressure controller, power control cabinet output temperature, main traction wheel
The rotary speed of speed and Optical fiber winding-up machine.
In addition, the time in each cycle in the present invention is 20ms.
S2. the deviation signal for being disturbed device in last cycle and the deviation signal for being disturbed device of current period are calculated
Difference.
S3. whether within a preset range the difference is judged, if so, the association that current period is calculated according to pid algorithm is joined
Several size, if it is not, then the relevant parameter value of current period is the size of the relevant parameter in last cycle.
Specifically, shown in Figure 6, the deviation signal for being disturbed device at this time is believed for the pressure divergence of pressure sensor
Number, relevant parameter is the output valve of pressure controller.
S11. calculated according to pid algorithm the pressure sensor in last cycle pressure divergence signal and pressure controller it is defeated
Go out value, and the pressure divergence signal of the pressure sensor of current period；
The calculation formula of the pressure divergence signal of pressure sensor is：
E1=P1–P2 (1)
Wherein, P1For the setting signal of pressure, P2The actual pressure signal obtained for pressure sensor, E1For pressure sensing
The pressure divergence signal of device.
The pressure divergence signal and current period of the pressure sensor in last cycle can be calculated respectively by formula (1)
The pressure divergence signal of pressure sensor.
In addition, the calculation formula of the output valve of pressure controller is：
P3=1.1*P1+Kp*E1+∑(Ki*E1) (2)
Wherein, P3For the output valve of pressure controller, KpFor proportionality coefficient, KiFor integral coefficient, P1Believe for the setting of pressure
Number.
Usually in calculating process, KpFor 0.5, KiFor 0.01.So as to which according to formula (1) and (2), last week can be directed to
Phase and current period, calculate the pressure divergence signal of pressure sensor and the output valve of pressure controller in last cycle respectively,
And the pressure divergence signal of the pressure sensor of current period.
S12. the pressure of the pressure divergence signal of the pressure sensor in last cycle and the pressure sensor of current period is calculated
The difference of power deviation signal；
The pressure divergence of the pressure divergence signal of the pressure sensor in last cycle and the pressure sensor of current period is believed
Number difference be denoted as Ed1, anti-interference method of the invention has equivalent to the second differnce for employing pressure signal, second differnce
The benefit that first-order difference does not possess.According to first-order difference, i.e. the pressure divergence signal E to pressure sensor1Set a side
Dividing value, but if pressure sensor normal fluctuation range beyond setting border when if halt production failure occurs.And for second order
Differential system, when pressure sensor measures normal fluctuation, Ed1It is very small.If Ed1Value it is very big, then must be vacation occurred
Signal.Second differnce is substantially to compare the change in location of present position values and upper a cycle, each cycle in the present invention
Time be about 20ms, since mechanical system is unable to transient change, so Ed1It must be glitch that value is very big.
S13. whether within a preset range difference is judged, if so, step S14 is performed, if it is not, performing step S15；
S14. the output valve of the pressure controller of current period is calculated according to pid algorithm, is terminated；
S15. the output valve value of the pressure controller of current period is the output valve of the pressure controller in last cycle, is tied
Beam.
Specifically, calculating Ed1Size after, and then judge Ed1Size whether within a preset range, if -20≤Ed1
≤ 30, then the pressure that current period is calculated according to the pressure divergence signal and formula (2) of the pressure sensor of current period controls
The output valve of device, if Ed1>30 or Ed1<- 20, then the output valve value of the pressure controller of current period is the pressure in last cycle
The output valve of force controller.As long as being newly worth it due to not assigned in PLC system to analog quantity and will keep initial value, so allowing P3
The value for being kept for the previous cycle is very easy to implement.
The present invention is by judging Ed1Size whether determine the P of current period within a preset range3How this to determine, if
Ed1Value it is very big, not within a preset range, then the P of current period3The value in previous cycle can be kept, so as to exclude well dry
Disturb, avoid the occurrence of unqualified optical fiber.
Shown in Figure 7, the deviation signal for being disturbed device at this time is the temperature error signal of temperature sensor, and association is joined
Number is power control cabinet output temperature.
S21. the temperature error signal and power control cabinet that the temperature sensor in last cycle is calculated according to pid algorithm export temperature
Degree, and the temperature error signal of the temperature sensor of current period；
The calculation formula of the temperature error signal of temperature sensor is：
E2=T0–T1 (3)
Wherein, T0For the setting signal of temperature, T1The actual temperature signal obtained for temperature sensor, E2For temperature sensing
The temperature error signal of device.
The temperature error signal and current period of the temperature sensor in last cycle can be calculated respectively by formula (3)
The temperature error signal of temperature sensor.
In addition, the calculation formula of power control cabinet output temperature is：
T2=Kp*E2+∑(Ki*E2)+Kd*dE2/dt (4)
Wherein, T2For power control cabinet output temperature, KpFor proportionality coefficient, KiFor integral coefficient, KdFor differential coefficient.
Usually in calculating process, KpFor 0.5, KiFor 0.01, KdFor 0.005., can be with so as to according to formula (3) and (4)
For last cycle and current period, temperature error signal and the power control cabinet output of the temperature sensor in last cycle are calculated respectively
Temperature, and the temperature error signal of the temperature sensor of current period.
S22. the temperature of the temperature error signal of the temperature sensor in last cycle and the temperature sensor of current period is calculated
Spend the difference of deviation signal；
The temperature deviation of the temperature error signal of the temperature sensor in last cycle and the temperature sensor of current period is believed
Number difference be denoted as Ed2, anti-interference method of the invention has equivalent to the second differnce for employing temperature signal, second differnce
The benefit that first-order difference does not possess.According to first-order difference, i.e. the temperature error signal E to temperature sensor2Set a side
Dividing value, but if temperature sensor normal fluctuation range beyond setting border when if halt production failure occurs.And for second order
Differential system, during temperature sensor measurement normal fluctuation, Ed2It is very small.If Ed2Value it is very big, then must be vacation occurred
Signal.Second differnce is substantially to compare the change in location of present position values and upper a cycle, each cycle in the present invention
Time be about 20ms, since mechanical system is unable to transient change, so Ed2It must be glitch that value is very big.
S23. whether within a preset range difference is judged, if so, step S24 is performed, if it is not, performing step S25；
S24. the power control cabinet output temperature of current period is calculated according to pid algorithm, is terminated；
S25. the power control cabinet output temperature value of current period is the power control cabinet output temperature in last cycle, is terminated.
Specifically, calculating Ed2Size after, and then judge Ed2Size whether within a preset range, if -10≤Ed2
≤ 10, then the power control cabinet that current period is calculated according to the temperature error signal of the temperature sensor of current period and formula (3) is defeated
Go out temperature, if Ed1>10 or Ed1<- 10, then the power control cabinet output temperature value of current period is that the power control cabinet in last cycle exports
Temperature.As long as being newly worth it due to not assigned in PLC system to analog quantity and will keep initial value, so allowing T2Kept for previous week
The value of phase is very easy to implement.
The present invention is by judging Ed2Size whether determine the T of current period within a preset range2How this to determine, if
Ed2Value it is very big, not within a preset range, then the T of current period2The value in previous cycle can be kept, so as to exclude well dry
Disturb, the temperature for the control fiber drawing furnace that can stablize, pulls out acceptable splice with ensureing fiber drawing tower smooth sequential.
Shown in Figure 8, the deviation signal for being disturbed device at this time is the diameter deviation signal of optical fiber, based on relevant parameter
The speed of traction wheel.
S31. the diameter deviation signal of optical fiber and the speed of main traction wheel in last cycle are calculated according to pid algorithm, and
The diameter deviation signal of the optical fiber of current period；
The calculation formula of the diameter deviation signal of optical fiber is：
E3=L0–L (5)
Wherein, L0The fibre diameter actual signal surveyed for the setting signal of fibre diameter, L by caliper, E3For optical fiber
Diameter deviation signal；
The diameter deviation signal of the optical fiber in last cycle and the optical fiber of current period can be calculated respectively by formula (5)
Diameter deviation signal；
In addition, the calculation formula of the speed of main traction wheel is：
V1=0.8*V0+Kp*E+∑(Ki*E) (6)
Wherein, V0The speed of motor, K are fed for prefabricated rodspFor proportionality coefficient, KiFor integral coefficient, V1For main traction wheel
Speed.
Usually in calculating process, KpFor 0.5, KiFor 0.01.So as to which according to formula (5) and (6), last week can be directed to
Phase and current period, calculate the diameter deviation signal of the optical fiber in last cycle and the speed of main traction wheel, and current week respectively
The diameter deviation signal of the optical fiber of phase.
S32. the diameter deviation signal of the diameter deviation signal of the optical fiber in last cycle and the optical fiber of current period is calculated
Difference；
The difference of the diameter deviation signal of the diameter deviation signal of the optical fiber in last cycle and the optical fiber of current period is denoted as
Ed3, anti-interference method of the invention equivalent to the second differnce for employing diameter signal, second differnce there is first-order difference not have
Standby benefit.According to first-order difference, i.e. the diameter deviation signal E to optical fiber3One boundary value of setting, but if caliper
Halt production failure just occurs when normal fluctuation range is beyond setting border.It is and normal for second differnce system, caliper measurements
During fluctuation, Ed3It is very small.If Ed3Value it is very big, then must be glitch occurred.Second differnce is substantially to compare to work as
Front position is worth and the change in location of upper a cycle, and the time in each cycle in the present invention is about 20ms, due to mechanical system
Transient change is unable to, so Ed3It must be glitch that value is very big.
S33. whether within a preset range difference is judged, if so, step S34 is performed, if it is not, performing step S35；
S34. the speed of the main traction wheel of current period is calculated according to pid algorithm, is terminated；
S35. the speed value of the main traction wheel of current period is the speed of the main traction wheel in last cycle, is terminated.
Specifically, calculating Ed3Size after, and then judge Ed3Size, if -80≤Ed3≤ 100, then according to current
The diameter deviation signal and formula (5) of the optical fiber in cycle calculate the speed of the main traction wheel of current period, if Ed3>100 or Ed3<-
80, then the speed value of the main traction wheel of current period is the speed of the main traction wheel in last cycle.Due in PLC system only
Otherwise analog quantity is assigned and is newly worth it and will keep initial value, so allowing V1The value for being kept for the previous cycle is very easy to implement
's.
The present invention is by judging Ed3Size whether determine the V of current period within a preset range1How this to determine, if
Ed3Value it is very big, not within a preset range, then the V of current period1The value in previous cycle can be kept, so as to exclude well dry
Disturb, enable admission machine stable operation, and then increase substantially production efficiency.
Shown in Figure 9, the deviation signal for being disturbed device at this time is the position error signal of dancing wheel, and relevant parameter is
The rotary speed of Optical fiber winding-up machine.
S41. the position error signal of the dancing wheel in last cycle and the rotation speed of Optical fiber winding-up machine are calculated according to pid algorithm
Degree, and the position error signal of the dancing wheel of current period；
Wherein, the position error signal of dancing wheel is the setting position signal of dancing wheel and the actual position signal of dancing wheel
Difference.The actual position signal of dancing wheel is obtained by the position sensor of dancing wheel, and the actual position signal of dancing wheel is one
Controlled quentity controlled variable, in the present invention in the range of 0~1000, and the setting position signal of dancing wheel takes the centre of the controlled quentity controlled variable scope
Position 500.
Specifically, it can be calculated using following formula：
E4=S0–S (7)
Wherein, S0The actual position signal obtained for the setting position signal of dancing wheel, S for dancing wheel position sensor, E4
For the position error signal of dancing wheel.
Can the dancing wheel of the position error signal of the dancing wheel to the last cycle and current period respectively by formula (7)
Position error signal calculated.
In addition, the calculation formula of the rotary speed of Optical fiber winding-up machine is：
V2=0.6*V1+Kp*E4+∑(Ki*E4) (8)
Wherein, V1For the speed of main traction wheel, KpFor proportionality coefficient, KiFor integral coefficient, V2For the rotation of Optical fiber winding-up machine
Speed.
Usually in calculating process, KpFor 0.5, KiFor 0.01.So as to which according to formula (7) and (8), last week can be directed to
Phase and current period, calculate the position error signal of dancing wheel and the rotary speed of Optical fiber winding-up machine in last cycle respectively, with
And the position error signal of the dancing wheel of current period.Since the time in each cycle in the present invention is about 20ms, can recognize
For the V within each cycle1Remain unchanged.
S42. the position error signal of the dancing wheel in last cycle and the position error signal of current period dancing wheel are calculated
Difference；
The position error signal of the dancing wheel in last cycle and the difference of the position error signal of current period dancing wheel are remembered
For Ed4, anti-interference method of the invention has single order equivalent to the second differnce for employing dancing wheel position signal, second differnce
The benefit that difference does not possess.According to first-order difference, i.e. the position error signal E to dancing wheel4A boundary value is set, still
If dancing wheel normal fluctuation range beyond setting border when if occur optical fiber can be pulled off, production line stop the problems such as.
And for second differnce system, during dancing wheel normal fluctuation, Ed4It is very small.If Ed4Value it is very big, then must be occur
Glitch.Second differnce is substantially to compare the change in location of present position values and upper a cycle, each week in the present invention
The time of phase is about 20ms, since mechanical system is unable to transient change, so Ed4It must be glitch that value is very big.
S43. whether within a preset range difference is judged, if so, step S44 is performed, if it is not, performing step S45；
S44. the rotary speed of the Optical fiber winding-up machine of current period is calculated according to pid algorithm, is terminated；
S45. the rotary speed value of the Optical fiber winding-up machine of current period is fast for the rotation of the Optical fiber winding-up machine in last cycle
Degree, terminates.
Specifically, calculating Ed4Size after, and then judge Ed4Size, if -55≤Ed4≤ 80, then according to current
The position error signal and formula (2) of the dancing wheel in cycle calculate the rotary speed of the Optical fiber winding-up machine of current period, if Ed4>80
Or Ed4<- 55, then the rotary speed value of the Optical fiber winding-up machine of current period is fast for the rotation of the Optical fiber winding-up machine in last cycle
Degree.As long as being newly worth it due to not assigned in PLC system to analog quantity and will keep initial value, so allowing V2Kept for the previous cycle
Value be very easy to implement.The process of the rotary speed of Optical fiber winding-up machine and the speeds match of main traction wheel point in the present invention
For multiple cycles, for this multiple cycle, the V in each cycle is progressively determined using aforesaid way2Size.It is noticeable
It is V as the upper a cycle initially chosen to be2There is not the cycle quivered greatly very much.
The present invention is by judging Ed4Size whether determine the V of current period within a preset range2How this to determine, if
Ed4Value it is very big, not within a preset range, then the V of current period2The value in previous cycle can be kept, so as to exclude well dry
Disturb, ensure that Optical fiber winding-up machine is run steadily in the long term.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
On the premise of the principle of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as the protection of the present invention
Within the scope of.The content not being described in detail in this specification belongs to the prior art known to professional and technical personnel in the field.
Claims (10)
1. a kind of anti-interference method of fiber drawing tower, it is characterised in that this method comprises the following steps：
The deviation signal for being disturbed device in last cycle and the size of corresponding relevant parameter are calculated according to pid algorithm, and
The deviation signal for being disturbed device of current period；
Calculate the difference of the deviation signal for being disturbed device in last cycle and the deviation signal for being disturbed device of current period；
And
Whether within a preset range the difference is judged, if so, calculating the big of the relevant parameter of current period according to pid algorithm
It is small, if it is not, then the relevant parameter value of current period is the size of the relevant parameter in last cycle.
2. the anti-interference method of fiber drawing tower as claimed in claim 1, it is characterised in that：The deviation for being disturbed device
Signal is the pressure divergence signal of pressure sensor, and the relevant parameter is the output valve of pressure controller；
The calculation formula of the pressure divergence signal of the pressure sensor is：
E1=P1–P2 (1)
Wherein, P1For the setting signal of pressure, P2The actual pressure signal obtained for pressure sensor, E1For pressure sensor
Pressure divergence signal；
Calculate the pressure divergence signal of pressure sensor and the pressure sensing of current period in last cycle respectively using formula (1)
The pressure divergence signal of device；
The calculation formula of the output valve of the pressure controller is：
P3=1.1*P1+Kp*E1+∑(Ki*E1) (2)
Wherein, P3For the output valve of pressure controller, KpFor proportionality coefficient, KiFor integral coefficient, P1For the setting signal of pressure.
3. the anti-interference method of fiber drawing tower as claimed in claim 2, it is characterised in that：The pressure for calculating the last cycle passes
The difference E of the pressure divergence signal of the pressure divergence signal of sensor and the pressure sensor of current periodd1, judge Ed1Size,
If -20≤Ed1≤ 30, then current week is calculated according to the pressure divergence signal of the pressure sensor of current period and the formula (2)
The output valve of the pressure controller of phase, if Ed1>30 or Ed1<- 20, then the output valve value of the pressure controller of current period be
The output valve of the pressure controller in last cycle.
4. the anti-interference method of fiber drawing tower as claimed in claim 1, it is characterised in that：The deviation for being disturbed device
Signal is the temperature error signal of temperature sensor, and the relevant parameter is power control cabinet output temperature；
The calculation formula of the temperature error signal of the temperature sensor is：
E2=T0–T1 (3)
Wherein, T0For the setting signal of temperature, T1The actual temperature signal obtained for temperature sensor, E2For temperature sensor
Temperature error signal；
Calculate the temperature error signal of temperature sensor and the temperature sensing of current period in last cycle respectively using formula (3)
The temperature error signal of device；
The calculation formula of the power control cabinet output temperature is：
T2=Kp*E2+∑(Ki*E2)+Kd*dE2/dt (4)
Wherein, T2For power control cabinet output temperature, KiFor integral coefficient, KdFor differential coefficient.
5. the anti-interference method of fiber drawing tower as claimed in claim 4, it is characterised in that：The temperature for calculating the last cycle passes
The difference E of the temperature error signal of the temperature error signal of sensor and the temperature sensor of current periodd2, judge Ed2Size,
If -10≤Ed2≤ 10, then current week is calculated according to the temperature error signal of the temperature sensor of current period and the formula (4)
The power control cabinet output temperature of phase, if Ed2>10 or Ed2<- 10, then the power control cabinet output temperature value of current period is the last cycle
Power control cabinet output temperature.
6. the anti-interference method of fiber drawing tower as claimed in claim 1, it is characterised in that：The deviation for being disturbed device
Signal is the diameter deviation signal of optical fiber, and the relevant parameter is the speed of main traction wheel；
The calculation formula of the diameter deviation signal of the optical fiber is：
E3=L0–L (5)
Wherein, L0The fibre diameter actual signal surveyed for the setting signal of fibre diameter, L by caliper, E3For the diameter of optical fiber
Deviation signal；
Calculate the diameter deviation of the diameter deviation signal of the optical fiber in last cycle and the optical fiber of current period respectively using formula (5)
Signal；
The calculation formula of the speed of the main traction wheel is：
V1=0.8*V0+Kp*E3+∑(Ki*E3) (6)
Wherein, V0The speed of motor, K are fed for prefabricated rodspFor proportionality coefficient, KiFor integral coefficient, V1For the speed of main traction wheel.
7. the anti-interference method of fiber drawing tower as claimed in claim 6, it is characterised in that：Calculate the optical fiber in last cycle
The difference E of the diameter deviation signal of the optical fiber of diameter deviation signal and current periodd3, judge Ed3Size, if -80≤Ed3≤
100, then the speed of the main traction wheel of current period is calculated according to the diameter deviation signal of the optical fiber of current period and the formula (6)
Degree, if Ed3>100 or Ed3<- 80, then the speed value of the main traction wheel of current period is the speed of the main traction wheel in last cycle
Degree.
8. the anti-interference method of fiber drawing tower as claimed in claim 1, it is characterised in that：The deviation for being disturbed device
Signal is the position error signal of dancing wheel, and the relevant parameter is the rotary speed of Optical fiber winding-up machine；
The calculation formula of the position error signal of the dancing wheel is：
E4=S0–S (7)
Wherein, S0The actual position signal obtained for the setting position signal of dancing wheel, S for dancing wheel position sensor, E4For dance
Step the position error signal of wheel；
Calculate the position of the position error signal of the dancing wheel in last cycle and the dancing wheel of current period respectively using formula (7)
Deviation signal；
The calculation formula of the rotary speed of the Optical fiber winding-up machine is：
V2=0.6*V1+Kp*E4+∑(Ki*E4) (8)
Wherein, V1For the speed of main traction wheel, KpFor proportionality coefficient, KiFor integral coefficient, V2For the rotary speed of Optical fiber winding-up machine.
9. the anti-interference method of fiber drawing tower as claimed in claim 8, it is characterised in that：Calculate the dancing wheel in last cycle
Position error signal and current period dancing wheel position error signal difference Ed4, judge Ed4Size, if -55≤Ed4
≤ 80, then the optical fiber take-up of current period is calculated according to the position error signal of the dancing wheel of current period and the formula (8)
The rotary speed of machine, if Ed4>80 or Ed4<- 55, then the rotary speed value of the Optical fiber winding-up machine of current period is the last cycle
Optical fiber winding-up machine rotary speed.
10. the anti-interference method of fiber drawing tower as claimed in claim 1, it is characterised in that：Each the time in cycle is
20ms。
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578090A (en) * | 2019-01-07 | 2019-04-05 | 北京博力威格智能传控设备有限公司 | Turbine machine and rotating speed calculation algorithm thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080055695A1 (en) * | 2004-12-13 | 2008-03-06 | Asml Holding N.V. | Method of using an ultrathin optical element |
| US20120305687A1 (en) * | 2011-06-01 | 2012-12-06 | Michael David Folk | Method and apparatus for starting moving items into a processing machine |
| CN106956970A (en) * | 2017-04-27 | 2017-07-18 | 烽火通信科技股份有限公司 | A kind of ELIMINATION OF ITS INTERFERENCE method of optical fiber proof-tester |
-
2017
- 2017-11-20 CN CN201711157928.0A patent/CN108033673B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080055695A1 (en) * | 2004-12-13 | 2008-03-06 | Asml Holding N.V. | Method of using an ultrathin optical element |
| US20120305687A1 (en) * | 2011-06-01 | 2012-12-06 | Michael David Folk | Method and apparatus for starting moving items into a processing machine |
| CN106956970A (en) * | 2017-04-27 | 2017-07-18 | 烽火通信科技股份有限公司 | A kind of ELIMINATION OF ITS INTERFERENCE method of optical fiber proof-tester |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578090A (en) * | 2019-01-07 | 2019-04-05 | 北京博力威格智能传控设备有限公司 | Turbine machine and rotating speed calculation algorithm thereof |
| CN109578090B (en) * | 2019-01-07 | 2021-09-21 | 北京博力威格智能传控设备有限公司 | Turbine machine and rotating speed calculation algorithm thereof |
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| CN108033673B (en) | 2020-12-25 |
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