CN109901384A - Tobacco scrap prodn charging precision control method and system - Google Patents
Tobacco scrap prodn charging precision control method and system Download PDFInfo
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- CN109901384A CN109901384A CN201910206928.8A CN201910206928A CN109901384A CN 109901384 A CN109901384 A CN 109901384A CN 201910206928 A CN201910206928 A CN 201910206928A CN 109901384 A CN109901384 A CN 109901384A
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Abstract
The embodiment of the invention provides a kind of tobacco scrap prodn charging precision control method and systems, it include: S1, charging precision error parameter and charging precision error rate parameter during tobacco scrap prodn is fed are separately input into default fuzzy controller, by the proportionality coefficient of the default fuzzy controller output PID controller；S2 is based on the proportionality coefficient, constructs PID controller, to control the charging precision during tobacco scrap prodn charging.The tobacco scrap prodn charging precision control method and system provided in the embodiment of the present invention, charging precision error is controlled using the method that PID controller is combined with fuzzy control, the ratio value Kp of PID controller is adjusted by fuzzy control dynamic, so that for different charging precision errors, with the additional speed of different chargings, and then reasonably improve charging precision error, so that feeding quantity meets the requirements during tobacco scrap prodn.
Description
Technical field
The present embodiments relate to tobacco aromaticss control technology fields, more particularly, to tobacco scrap prodn charging precision control
Method and system processed.
Background technique
During tobacco scrap prodn, the trueness error of flavoring and casing, accuracy, the control of uniformity are most important, existing
That generally use in technology is proportional-integral derivative controller (Proportion Integration
Differentiation, PID controller) control of the realization to charging precision error.
PID controller is made of proportional unit P, integral unit I and differentiation element D, and proportional unit P determines proportionality coefficient
Kp, integral unit I determine that integral coefficient Ki, differentiation element D determine differential coefficient Kd.Proportionality coefficient is generallyd use in the prior art
Kp is that the PID controller of fixed value is realized to the control during tobacco scrap prodn to charging precision, due to loosely producing in flue-cured tobacco
Electronic scale discharge stability in the process is poor, and electronic scale flowed fluctuation is larger, Measure of Process Capability (Process capability
Index, CPK) value is relatively low, it is affected to charging precision, and then will lead to the non-linear of control process, hysteresis quality and response
Slowly.
Summary of the invention
In order to overcome the problems referred above or it at least is partially solved the above problem, the embodiment of the invention provides a kind of tobacco leaf systems
Silk charging precision control method and system.
In a first aspect, the embodiment of the invention provides a kind of tobacco scrap prodn charging precision control methods, comprising: S1, by cigarette
Charging precision error parameter and charging precision error rate parameter during leaf throwing charging are separately input into default mould
In fuzzy controllers, by the proportionality coefficient of the default fuzzy controller output PID controller；
S2 is based on the proportionality coefficient, constructs PID controller, to control the charging precision during tobacco scrap prodn charging.
Second aspect, the embodiment of the invention provides a kind of tobacco scrap prodn charging precision control systems, comprising: proportionality coefficient
Determining module, for the charging precision error parameter and charging precision error rate parameter during tobacco scrap prodn feeds
It is separately input into default fuzzy controller, by the proportionality coefficient of the default fuzzy controller output PID controller；
Controller constructs module, for being based on the proportionality coefficient, PID controller is constructed, to control tobacco scrap prodn charging
Charging precision in the process.
The third aspect, the embodiment of the invention provides a kind of electronic equipment, comprising:
At least one processor, at least one processor, communication interface and bus；Wherein,
The processor, memory, communication interface complete mutual communication by the bus；
The memory is stored with the program instruction that can be executed by the processor, and the processor calls described program to refer to
It enables, to execute the tobacco scrap prodn charging precision control method of first aspect offer.
Fourth aspect, the embodiment of the invention provides a kind of non-transient computer readable storage medium, the non-transient meter
Calculation machine readable storage medium storing program for executing stores computer instruction, and the computer instruction makes the computer execute the cigarette that first aspect provides
Leaf throwing charging precision control method.
A kind of tobacco scrap prodn charging precision control method and system provided in an embodiment of the present invention pass through fuzzy control dynamic
The Proportional coefficient K p for adjusting PID controller controls electronic scale stability of flow by PID controller, and then controls charging precision, keeps away
The unstable influence to charging precision for exempting from electronic scale flow avoids PID controller in non-linear, the hysteresis quality of control process
And low-response.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of flow diagram of tobacco scrap prodn charging precision control method provided in an embodiment of the present invention；
A kind of Fig. 2 tobacco scrap prodn charging precision control method provided in an embodiment of the present invention with provide in the prior art
The output of tobacco scrap prodn charging precision control method controls signal contrast figure；
Fig. 3 is a kind of structural schematic diagram of tobacco scrap prodn charging precision control system provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of a kind of electronic equipment provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
In the description of the embodiment of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings,
It is merely for convenience of the description embodiment of the present invention and simplifies description, rather than the device or element of indication or suggestion meaning must have
There is specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to the embodiment of the present invention.In addition,
Term " first ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the embodiment of the present invention, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in embodiments of the present invention.
As shown in Figure 1, the embodiment of the invention provides a kind of tobacco scrap prodn charging precision control methods, comprising:
S1, charging precision error parameter and charging precision error rate parameter point during tobacco scrap prodn is fed
It is not input in default fuzzy controller, by the proportionality coefficient of the default fuzzy controller output PID controller；
S2 is based on the proportionality coefficient, constructs PID controller, to control the charging precision during tobacco scrap prodn charging.
Specifically, due to realizing in the prior art using the PID controller that Proportional coefficient K p is fixed value to tobacco leaf
To the control of charging precision in Primary Processing, but due to feeding when ratio value Kp directly determines that the later period improves charging precision error
Addition speed, ratio value Kp fixes, and additional speed is fixed, but for different additional quantities, identical additional speed is not
Charging precision error can be improved, because the electronic scale discharge stability in the loose production process of flue-cured tobacco is poor, electronic scale flowed fluctuation compared with
Greatly, Measure of Process Capability (Process capability index, CPK) value is relatively low, is affected to charging precision, Jin Erhui
Lead to the non-linear of control process, hysteresis quality and low-response.Add so providing a kind of tobacco scrap prodn in the embodiment of the present invention
Expect accuracy control method, the Proportional coefficient K p of PID controller is adjusted by fuzzy control dynamic, makes electronic scale stability of flow, into
And control charging precision.Fuzzy control realizes that presetting fuzzy controller tool, there are two input and one by default fuzzy controller
A output, two inputs are the charging precision error parameter and charging precision error change during tobacco scrap prodn charging respectively
Rate parameter, an output are the proportionality coefficient of PID controller.It is inputted, can be determined by default fuzzy controller according to two
The proportionality coefficient of PID controller out.According to the proportionality coefficient for the PID controller determined, PID controller can be constructed, in turn
Control the charging precision during tobacco scrap prodn charging.
The different values that two are inputted due to presetting fuzzy controller, the proportionality coefficient of the PID controller of output
Value is not also identical, therefore can be according to the charging precision error parameter and charging precision error rate parameter of input not
Same value is dynamically determined out the Proportional coefficient K p of PID controller.
The tobacco scrap prodn charging precision control method provided in the embodiment of the present invention passes through fuzzy control dynamic adjustment PID
The Proportional coefficient K p of controller controls electronic scale stability of flow by PID controller, and then controls charging precision, avoids electronics
The unstable influence to charging precision of scale flow, avoids PID controller in the non-linear of control process, hysteresis quality and sound
It should be slow.
On the basis of the above embodiments, the tobacco scrap prodn charging precision control method provided in the embodiment of the present invention, institute
Default fuzzy controller is stated to be used for:
The charging precision error parameter and the charging precision error rate parameter are carried out at fuzzy quantization respectively
Reason, determine the charging precision error parameter the first fuzzy subset and the charging precision error rate parameter second
Fuzzy subset；
Based on first fuzzy subset and second fuzzy subset, the ratio system of PID controller is determined and exported
Number.
Specifically, the default fuzzy controller provided in the embodiment of the present invention obscures charging precision error parameter E
Charging precision error parameter is divided into 3 the first fuzzy subsets, is expressed as { NG, MG, LG } by quantification treatment；Charging precision is missed
Poor change rate parameter Ec carries out fuzzy quantization processing, and charging precision error rate parameter is divided into 3 the second fuzzy subsets, table
It is shown as { SD, MD, LD }.Wherein, each first/second fuzzy subset can be indicated with corresponding membership function.According to determination
Each of out the first fuzzy subset and each second fuzzy subset, that is, can determine and export a ratio system of PID controller
Number.
On the basis of the above embodiments, the tobacco scrap prodn charging precision control method provided in the embodiment of the present invention, institute
State the first fuzzy subset and second fuzzy subset have it is multiple；
Correspondingly, described to be based on first fuzzy subset and second fuzzy subset, it determines and exports PID control
The proportionality coefficient of device, specifically includes:
According to any one first fuzzy subset and any one second fuzzy subset, the proportionality coefficient of a PID controller is formed
Third fuzzy subset；
Based on the third fuzzy subset, the proportionality coefficient of PID controller is determined and exported.
1 fuzzy control rule table of table
It specifically, as shown in table 1, is fuzzy control rule table, first fuzzy subset and second fuzzy subset
It is combined, the third fuzzy subset of the proportionality coefficient of a PID controller can be formed.Then 3 the first fuzzy subsets and 3
Two fuzzy subsets can form 9 third fuzzy subsets altogether, it is contemplated that actual conditions, corresponding to the first different fuzzy subsets
With the second fuzzy subset, obtained third fuzzy subset be also likely to be it is identical, this needs to be determined according to the actual situation, this
For convenience of calculating in inventive embodiments, sets 3 the first fuzzy subsets and 3 the second fuzzy subsets form 3 thirds altogether and obscure
Subset is expressed as { S, M, L }.
On the basis of the above embodiments, in the tobacco scrap prodn charging precision control method provided in the embodiment of the present invention,
It is described that fuzzy quantization processing, tool are carried out to the charging precision error parameter and the charging precision error rate parameter respectively
Body includes:
According to the value range of the charging precision error parameter, fuzzy quantization is carried out to the charging precision error parameter
Processing；
According to the value range of the charging precision error rate parameter, to the charging precision error rate parameter
Carry out fuzzy quantization processing.
Specifically, it in the embodiment of the present invention when carrying out fuzzy quantization processing, needs to carry out fuzzy quantity according to value range
Change, for example, needing the value according to charging precision error parameter when carrying out fuzzy quantization processing to charging precision error parameter
Range carries out, and when carrying out fuzzy quantization processing to charging precision error rate parameter, needs to be become according to charging precision error
The value range of rate parameter carries out.In the embodiment of the present invention, the value range of the charging precision error parameter of selection be [0,
3], the value range of charging precision error rate parameter is [- 1,1], and the value range of the proportionality coefficient of PID controller is
[0,1].When carrying out fuzzy control, the fuzzy domain of charging precision error rate parameter is { -3, -2, -1,0,1,2,3 },
The quantizing factor value of charging precision error parameter is 2, and charging precision error rate parameter value is 3, the ratio of PID controller
Example coefficient 0.2.
On the basis of the above embodiments, the tobacco scrap prodn charging precision control method provided in the embodiment of the present invention, institute
S2 is stated to specifically include:
By default integral coefficient, default differential coefficient and the proportionality coefficient, PID controller is constructed, to control cigarette
Charging precision during leaf throwing charging.
Specifically, it in the embodiment of the present invention after proportionality coefficient has been determined, in combination with default integral coefficient and presets micro-
Divide coefficient, construct PID controller, the charging precision during tobacco scrap prodn charging is controlled.It should be noted that default
Integral coefficient and default differential coefficient can be configured as needed, be not especially limited in the embodiment of the present invention to this.
As shown in Fig. 2, for the tobacco scrap prodn charging precision control method that provides in the embodiment of the present invention in the prior art
The output of the tobacco scrap prodn charging precision control method of offer controls signal contrast figure, and Fig. 2 middle polyline 21 is ideally
Output control signal, curve 22 are the output control that the tobacco scrap prodn charging precision control method provided in the embodiment of the present invention obtains
Signal processed, curve 23 are the output control signal that the tobacco scrap prodn charging precision control method provided in the prior art obtains.From
As can be seen that the output control signal that the tobacco scrap prodn charging precision control method provided in the embodiment of the present invention obtains in Fig. 2
It is closer to output control signal ideally, therefore control performance is substantially better than traditional method.
As shown in figure 3, providing a kind of tobacco scrap prodn charging essence on the basis of the above embodiments, in the embodiment of the present invention
Spend control system, comprising: proportionality coefficient determining module 31 and controller construct module 32.Wherein,
Proportionality coefficient determining module 31 be used for tobacco scrap prodn is fed during charging precision error parameter and charging
Trueness error change rate parameter is separately input into default fuzzy controller, exports PID control by the default fuzzy controller
The proportionality coefficient of device；
Controller constructs module 32 and is used to be based on the proportionality coefficient, constructs PID controller, to control tobacco scrap prodn charging
Charging precision in the process.
Specifically, in the tobacco scrap prodn charging precision control system provided in the embodiment of the present invention the effect of each module with it is upper
State method class embodiment operating process be it is one-to-one, technical effect be also it is one-to-one, in the embodiment of the present invention
This is repeated no more.
On the basis of the above embodiments, the default fuzzy controller includes: that fuzzy subset determines submodule and ratio
Coefficient determines submodule；
The fuzzy subset determines submodule for missing respectively to the charging precision error parameter and the charging precision
Poor change rate parameter carries out fuzzy quantization processing, determine the charging precision error parameter the first fuzzy subset and it is described plus
Expect the second fuzzy subset of trueness error change rate parameter；
Proportionality coefficient determines submodule for based on first fuzzy subset and second fuzzy subset, determination to be simultaneously
Export the proportionality coefficient of PID controller.
On the basis of the above embodiments, first fuzzy subset and second fuzzy subset have multiple；Accordingly
Ground, the proportionality coefficient determine submodule, are specifically used for:
According to any one first fuzzy subset and any one second fuzzy subset, the proportionality coefficient of a PID controller is formed
Third fuzzy subset；
Based on the third fuzzy subset, the proportionality coefficient of PID controller is determined and exported.
On the basis of the above embodiments, the tobacco scrap prodn charging precision control system provided in the embodiment of the present invention, control
Device building module processed is specifically used for:
By default integral coefficient, default differential coefficient and the proportionality coefficient, PID controller is constructed, to control cigarette
Charging precision during leaf throwing charging.
As shown in figure 4, on the basis of the above embodiments, a kind of electronic equipment is provided in the embodiment of the present invention, comprising:
Processor (processor) 401, memory (memory) 402, communication interface (Communications Interface) 403
With bus 404；Wherein,
Processor 401, memory 402, communication interface 403 complete mutual communication by bus 404.Memory 402
It is stored with the program instruction that can be executed by processor 401, processor 401 is used to call the program instruction in memory 402, to hold
Method provided by the above-mentioned each method embodiment of row, for example, S1, the charging precision error during tobacco scrap prodn is fed
Parameter and charging precision error rate parameter are separately input into default fuzzy controller, by the default fuzzy controller
Export the proportionality coefficient of PID controller；S2 is based on the proportionality coefficient, constructs PID controller, to control tobacco scrap prodn charging
Charging precision in the process.
Logical order in memory 602 can be realized by way of SFU software functional unit and as independent product pin
It sells or in use, can store in a computer readable storage medium.Based on this understanding, technical side of the invention
Substantially the part of the part that contributes to existing technology or the technical solution can be with the shape of software product in other words for case
Formula embodies, which is stored in a storage medium, including some instructions are used so that a calculating
Machine equipment (can be personal computer, server or the network equipment etc.) executes each embodiment the method for the present invention
All or part of the steps.And storage medium above-mentioned include: USB flash disk, mobile hard disk, read-only memory (Read-Only Memory,
ROM), random access memory (Random Access Memory, RAM), magnetic or disk etc. are various can store program
The medium of code.
On the basis of the above embodiments, a kind of non-transient computer readable storage medium is provided in the embodiment of the present invention
Matter, the non-transient computer readable storage medium store computer instruction, and the computer instruction executes the computer
Method provided by above-mentioned each method embodiment, for example, S1, the charging precision error ginseng during tobacco scrap prodn is fed
Several and charging precision error rate parameter is separately input into default fuzzy controller, defeated by the default fuzzy controller
The proportionality coefficient of PID controller out；S2 is based on the proportionality coefficient, constructs PID controller, was fed with controlling tobacco scrap prodn
Charging precision in journey.
In conclusion the tobacco scrap prodn charging precision control method and system that provide in the embodiment of the present invention, are controlled using PID
The method that device processed is combined with fuzzy control controls charging precision error, passes through fuzzy control dynamic adjustment PID control
The ratio value Kp of device, so that with the additional speed of different chargings, and then reasonably improving for different charging precision errors
Charging precision error, so that feeding quantity meets the requirements during tobacco scrap prodn.
The apparatus embodiments described above are merely exemplary, wherein described, unit can as illustrated by the separation member
It is physically separated with being or may not be, component shown as a unit may or may not be physics list
Member, it can it is in one place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of the modules achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness
Labour in the case where, it can understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
Method described in certain parts of example or embodiment.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions 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 tobacco scrap prodn charging precision control method characterized by comprising
S1, the charging precision error parameter and charging precision error rate parameter difference during tobacco scrap prodn is fed are defeated
Enter into default fuzzy controller, by the proportionality coefficient of the default fuzzy controller output PID controller；
S2 is based on the proportionality coefficient, constructs PID controller, to control the charging precision during tobacco scrap prodn charging.
2. tobacco scrap prodn charging precision control method according to claim 1, which is characterized in that the default fuzzy control
Device is used for:
Fuzzy quantization processing is carried out to the charging precision error parameter and the charging precision error rate parameter respectively, really
First fuzzy subset of the fixed charging precision error parameter and the second of the charging precision error rate parameter obscure
Subset；
Based on first fuzzy subset and second fuzzy subset, the proportionality coefficient of PID controller is determined and exported.
3. tobacco scrap prodn charging precision control method according to claim 2, which is characterized in that first fuzzy subset
Have with second fuzzy subset multiple；
Correspondingly, described to be based on first fuzzy subset and second fuzzy subset, it determines and exports PID controller
Proportionality coefficient specifically includes:
According to any one first fuzzy subset and any one second fuzzy subset, the of the proportionality coefficient of a PID controller is formed
Three fuzzy subsets；
Based on the third fuzzy subset, the proportionality coefficient of PID controller is determined and exported.
4. tobacco scrap prodn charging precision control method according to claim 2, which is characterized in that described to add respectively to described
Expect that trueness error parameter and the charging precision error rate parameter carry out fuzzy quantization processing, specifically include:
According to the value range of the charging precision error parameter, the charging precision error parameter is carried out at fuzzy quantization
Reason；
According to the value range of the charging precision error rate parameter, the charging precision error rate parameter is carried out
Fuzzy quantization processing.
5. tobacco scrap prodn charging precision control method described in any one of -4 according to claim 1, which is characterized in that the S2
It specifically includes:
By default integral coefficient, default differential coefficient and the proportionality coefficient, PID controller is constructed, to control tobacco leaf system
Charging precision during silk charging.
6. a kind of tobacco scrap prodn charging precision control system characterized by comprising
Proportionality coefficient determining module, for the charging precision error parameter and charging precision mistake during tobacco scrap prodn feeds
Poor change rate parameter is separately input into default fuzzy controller, by the ratio of the default fuzzy controller output PID controller
Example coefficient；
Controller constructs module, for being based on the proportionality coefficient, PID controller is constructed, to control tobacco scrap prodn charging process
In charging precision.
7. tobacco scrap prodn charging precision control system according to claim 6, which is characterized in that the default fuzzy control
Device includes: that fuzzy subset determines that submodule and proportionality coefficient determine submodule；
The fuzzy subset determines submodule for becoming respectively to the charging precision error parameter and the charging precision error
Rate parameter carries out fuzzy quantization processing, determines the first fuzzy subset and the charging essence of the charging precision error parameter
Spend the second fuzzy subset of error rate parameter；
Proportionality coefficient determines submodule for based on first fuzzy subset and second fuzzy subset, determination simultaneously to be exported
The proportionality coefficient of PID controller.
8. tobacco scrap prodn charging precision control system according to claim 7, which is characterized in that first fuzzy subset
Have with second fuzzy subset multiple；
Correspondingly, the proportionality coefficient determines submodule, is specifically used for:
According to any one first fuzzy subset and any one second fuzzy subset, the of the proportionality coefficient of a PID controller is formed
Three fuzzy subsets；
Based on the third fuzzy subset, the proportionality coefficient of PID controller is determined and exported.
9. a kind of electronic equipment characterized by comprising
At least one processor, at least one processor, communication interface and bus；Wherein,
The processor, memory, communication interface complete mutual communication by the bus；
The memory is stored with the program instruction that can be executed by the processor, and the processor calls described program instruction,
To execute the tobacco scrap prodn charging precision control method as described in any one of claims 1 to 5.
10. a kind of non-transient computer readable storage medium, which is characterized in that the non-transient computer readable storage medium is deposited
Computer instruction is stored up, the computer instruction makes the computer execute the tobacco leaf system as described in any one of claims 1 to 5
Silk charging precision control method.
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| CN201910206928.8A CN109901384A (en) | 2019-03-19 | 2019-03-19 | Tobacco scrap prodn charging precision control method and system |
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| CN201910206928.8A CN109901384A (en) | 2019-03-19 | 2019-03-19 | Tobacco scrap prodn charging precision control method and system |
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