CN106774193A - Manufacture system dynamic coordinate method based on hormone response diffusion principle - Google Patents

Manufacture system dynamic coordinate method based on hormone response diffusion principle Download PDF

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CN106774193A
CN106774193A CN201611069302.XA CN201611069302A CN106774193A CN 106774193 A CN106774193 A CN 106774193A CN 201611069302 A CN201611069302 A CN 201611069302A CN 106774193 A CN106774193 A CN 106774193A
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hormone
production
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workpiece
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CN106774193B (en
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顾文斌
王怡
张薇薇
苑明海
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Changzhou Campus of Hohai University
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/418Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G05B19/41885Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by modeling, simulation of the manufacturing system
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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  • Engineering & Computer Science (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)

Abstract

The invention discloses a kind of manufacture system dynamic coordinate method based on hormone response diffusion principle, the method is mainly and is inspired by internal system hormone response flooding mechanism, realize a kind of manufacture system dynamic coordinate method based on hormone response diffusion principle, devising two kinds can be with interactional hormone, carry out rapid optimizing, wherein in order to expand the solution space of optimizing, the method of genetic cross variation is also used to operate feasible solution, in the case of multi-process routes, to be carried out more reasonably selecting and distributing to resource according to production task;Responded simultaneously for the accident in manufacture system, the agility of system can be improved.

Description

Manufacture system dynamic coordinate method based on hormone response diffusion principle
Technical field
The present invention relates to a kind of manufacture system dynamic coordinate method based on hormone response diffusion principle, belong to manufacture system Dynamic coordinate Optimal Decision-making field.
Background technology
As the expansion of field of artificial intelligence research is with deeply, the model of mind of human body information treatment mechanism is increasingly becoming one Individual new study hotspot, the diversity of its system architecture, function and its regulatory mechanism, complexity, reliability, adaptability and efficiently Property etc. be worth us to be used for reference and referred to when manufacture system is studied.And internal system is even more in human body information processing system Core, wherein complicated and unique, can to give researcher based on hormone response flooding mechanism information processing manner a lot Inspire.This coordination approach based on internal system hormone response flooding mechanism is a kind of implicit dynamic coordinate method, root According to the adjustment effect that hormone concentration in body fluid changes, numerous independent individualities can rapidly be guided and coordinate total to current system In the work that body is needed most, it is achieved thereby that comprehensive coordinate and cooperation between system internal resources.Internal system passes through The Reaction-diffusion terms of hormone realize regulating and controlling effect, and its traffic is small, can realize Fast synchronization coordination and cooperation, by stimulating or pressing down Make the secretory activity of other endocrine cells to keep the stabilization of organismic internal environment, so as to reach the mesh of body function total optimization 's.Also, this is-not symbol formula communication means based on hormone response flooding mechanism is referred to as the implicit coordination system, its with based on system The display coordination systems such as LR, Petri Net for commonly using in system control sytsem and CNP are made to compare, with the information traffic it is small, Coordinate it is simple, the advantages of be easily achieved.Based on this, inspired by hormone response flooding mechanism in internal system, devised one The task coordinate optimized algorithm based on hormone secretion Principles of Regulation is planted, real-time optimization distribution is carried out to production task, and being capable of pin Fast reaction is carried out to various accidents so that device resource is rationally utilized.
The content of the invention
In order to solve the above-mentioned technical problem, it is dynamic the invention provides a kind of manufacture system based on hormone response diffusion principle State coordination approach.
In order to achieve the above object, the technical solution adopted in the present invention is:
Manufacture system dynamic coordinate method based on hormone response diffusion principle, comprises the following steps,
Step 1, analyzes production task and the resource coordination optimization process of Discrete manufacturing system, founding mathematical models and its Constraints;
Step 2, is inspired by internal system hormone control mechanism, on the basis of the Mathematical Modeling set up, builds workshop The production task hormone information of management level, builds the resource feedback hormone information of process route;
Step 3, the production capacity to all resources sets up production capacity table, and assesses its production capacity, sets up hormone letter Breath node, deposits it and is directed to the corresponding hormone secretion amount of various production tasks, and composition can take the Discrete manufacturing system of hormone in System " body fluid " interior environment;
Step 4, after production task is reached, carries out production breakdown, and some techniques are generated according to workshop real resource situation Route, is then verified by constraints, and actual conditions are adjusted, and generates the production on each processing route at random Piece count;
Step 5, generate production task hormone, and releases into PE;
Step 6, Workshop Production resource layer perceives production task hormone, and the virtual condition according to each process route is to it Responded, when the resource low production cost on certain process route, and met the requirement of constraints, then increased its hormone point The amount of secreting;Otherwise then reduce its secretory volume;
Step 7, generation resource feedback hormone, and release into PE;
Step 8, Shop floor control layer senses that resource feeds back hormone, and production task hormone is carried out further according to information therein Update, the piece count produced on adjustment wherein each processing route, and global optimization is carried out by genetic cross variation method;
Step 9, according to object function to cross and variation after new allocative decision calculate, and all solutions are carried out successively Sequence, screening, elimination of the last one, calculate solution space matrix, and generate resource feedback hormone with this;
Step 10, sets cycling condition, and the methods described in step 5~9 is circulated operation, solves in Alternative In the case of route, according to Discrete manufacturing system model target, task is selected and distribution with the most rational of resource.
The Mathematical Modeling of Discrete manufacturing system is,
minCtotal(P)=CP(P)+CT(P)
Constraints is,
Wherein, Ctotal(P) it is total cost of production, CP(P) it is work piece production expense, CT(P) it is workpiece transport expense, RPFor The process route sum that can be produced, NrpIt is the production quantity of the workpiece P on process route rp, CrpIt is on process route rp The production cost of single workpiece P, CTrpIt is the cost of transportation of the workpiece P on process route rp, NPIt is the total amount of generation production workpiece P, TrpIt is the production time of the workpiece P on process route rp, TTrpIt is the haulage time of the workpiece P on process route rp, T is completion Time, DPIt is the delivery date of production task.
Production task hormone triple hx(Job_id, Num, Info) builds, resource feedback hormone four-tuple hy (Routh_id, c, t, ρ) builds;Wherein, Job_id represents the numbering for production task, and Num represents the quantity of workpiece, Info tables Show the related process information of production task, Routh_id represents that process route is numbered, and c represents the cost information of the processing route, t The process time on the processing route is represented, ρ represents hormone secretion amount.
Hormone secretion amount more new formula:
ρrp(t+1)=α ρrp(t)+Δρ
Wherein, ρrpIt is the amount of hormone secretion two on process route rp, α is the retention rate of hormone, and Q is known fixed constant Amount, t represents current time, and t+1 represents next workpiece arrival time.
In process of production, when there is accident, specific dynamic coordinate process is Discrete manufacturing system,
S1, being chosen from resources bank according to the production technology of accident suitably can process equipment;
S2, foundation hormone take the hormone amount remained in each resource hormone information node in environment in, and superposition obtains each Hormone secretion amount in the existing resource feedback hormone of bar process route;
Specific formula is,
Wherein, ρiHormone secretion amount is remained on resource i selected in process route, n represents process route length;
S3, production task hormone information and resource the feedback hormone information updated in Discrete manufacturing system;
S4, the existing hormone dynamic coordinate algorithm of operation, i.e. step 5~9, are that the suitable money of matching is coordinated in accident Source.
The beneficial effect that the present invention is reached:The present invention is mainly opened by internal system hormone response flooding mechanism Hair, realizes a kind of manufacture system dynamic coordinate method based on hormone response diffusion principle, and devising two kinds can mutual shadow Loud hormone, carrys out rapid optimizing, wherein the solution space in order to expand optimizing, also using the method for genetic cross variation, come pair can Row solution is operated, in the case of multi-process routes, can more reasonably to be selected resource according to production task And distribution;The present invention is responded for the accident in manufacture system simultaneously, can improve the agility of system.
Brief description of the drawings
Fig. 1 is flow chart of the invention.
Fig. 2 is multi-process routes digraph.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating the present invention Technical scheme, and can not be limited the scope of the invention with this.
As shown in figure 1, the manufacture system dynamic coordinate method based on hormone response diffusion principle, comprises the following steps:
Step 1, analyzes production task and the resource coordination optimization process of Discrete manufacturing system, founding mathematical models and its Constraints.
Discrete Manufacturing Systems production task can be described as with resource coordination optimization problem:Quantity is NPGeneration processing workpiece P, after production task therein is carried out into production breakdown, can obtain a production task for multi-process routes as shown in Figure 2 Optional resource operation digraph corresponding with resource, 3 executive process routes, Sp1~Sp9Represent and be directed in the processing of workpiece p Available resource.
Discrete manufacturing system and Mathematical Modeling are set up with the minimum target of production cost and its constraints is:
The Mathematical Modeling of Discrete manufacturing system is,
minCtotal(P)=CP(P)+CT(P)
Constraints is:Ensure all production tasks can with corresponding resource coordination, and can regulation when Interior completion, specifically,
Wherein, Ctotal(P) it is total cost of production, CP(P) it is work piece production expense, CT(P) it is workpiece transport expense, RPFor The process route sum that can be produced, NrpIt is the production quantity of the workpiece P on process route rp, CrpIt is on process route rp The production cost of single workpiece P, CTrpIt is the cost of transportation of the workpiece P on process route rp, NPIt is the total amount of generation production workpiece P, TrpIt is the production time of the workpiece P on process route rp, TTrpIt is the haulage time of the workpiece P on process route rp, T is completion Time, DPIt is the delivery date of production task.
Step 2, is inspired by internal system hormone control mechanism, on the basis of the Mathematical Modeling set up, builds workshop The production task hormone information of management level, builds the resource feedback hormone information of process route.
Production task hormone triple hx(Job_id, Num, Info) builds, resource feedback hormone four-tuple hy (Routh_id, c, t, ρ) builds;Wherein, Job_id represents the numbering for production task, and Num represents the quantity of workpiece, Info tables Show the related process information of production task, Routh_id represents that process route is numbered, and c represents the cost information of the processing route, t The process time on the processing route is represented, ρ represents hormone secretion amount.
Step 3, the production capacity to all resources sets up production capacity table, and assesses its production capacity, sets up hormone letter Breath node, deposits it and is directed to the corresponding hormone secretion amount of various production tasks, and composition can take the Discrete manufacturing system of hormone in System " body fluid " interior environment.
Step 4, after production task is reached, carries out production breakdown, and some techniques are generated according to workshop real resource situation Route, is then verified by constraints, and actual conditions are adjusted, and generates the production on each processing route at random Piece count.
Step 5, generate production task hormone, and releases into PE.
Step 6, Workshop Production resource layer perceives production task hormone, and the virtual condition according to each process route is to it Responded, when the resource low production cost on certain process route, and met the requirement of constraints, then increased its hormone point The amount of secreting;Otherwise then reduce its secretory volume.
Judge whether the resource production cost on process route low, by by the resource production cost on process route with set Fixed threshold value is compared, less than the then judgement low production cost of threshold value.
Hormone secretion amount more new formula:
ρrp(t+1)=α ρrp(t)+Δρ
Wherein, ρrpIt is the amount of hormone secretion two on process route rp, α is the retention rate of hormone, and Q is known fixed constant Amount, t represents current time, and t+1 represents next workpiece arrival time.
Step 7, generation resource feedback hormone, and release into PE.
Step 8, Shop floor control layer senses that resource feeds back hormone, and production task hormone is carried out further according to information therein Update, the piece count produced on adjustment wherein each processing route, and global optimization is carried out by genetic cross variation method
In order to expand the Searching Resolution Space scope of feasible solution, herein according to the digraph of multi-process routes resource, m kinds are chosen Feasible allocative decision is solution space Xm, its matrix is expressed as:
Per a line x in matrixiThe dynamic candidate group of solution space is constituted, is carried out by the means of hereditary variation global excellent Change.In the selection process, the Mathematical Modeling according to Discrete manufacturing system is calculated each candidate solution in feasible solution, is pressed The probability h that formula is obtainedriTwo feasible solutions chosen in solution space carry out cross and variation operation;
Wherein, CTotal(P i) represents i-th production task totle drilling cost of solution in solution space.By formula as can be seen that each In individual feasible solution, its production cost is smaller, then its be selected carry out cross and variation probability it is smaller because the feasible solution is more Adjunction is bordering on optimal solution, is adapted to retain.
In crossover operation, if xiAnd xjTo carry out two feasible solutions of crossover operation, xiAnd xjTwo rows in for matrix, Actual crossover probability is pc=PC×hri, PCFor the crossover probability that system specifies.Feasible solution so higher for cost is come Say, the probability that it is intersected is just than larger.P ∈ [0,1] are randomly generated, if p ﹥ pc, then crossover operation is carried out.Similarly, becoming Different stage, its actual mutation probability is pm=PM×hri, PMFor the mutation probability that system specifies.It is same using such mutation probability Sample can cause that the variable of more excellent solution can be preserved with more.P ∈ [0,1] are randomly generated, if p ﹥ pm, then row variation behaviour is entered Make.
Step 9, according to object function to cross and variation after new allocative decision calculate, and all solutions are carried out successively Sequence, screening, elimination of the last one, calculate solution space matrix, and generate resource feedback hormone with this;
Step 10, sets cycling condition, and the methods described in step 5~9 is circulated operation, solves in Alternative In the case of route, according to Discrete manufacturing system model target, task is selected and distribution with the most rational of resource.
In dynamicalmanufacturing environment up in air, accident occurs often meaning that each in Discrete manufacturing system Kind of resource may have the production schedule and use, then each resource in consideration system is just had to the arrangement of accident Actual working state, the then arrangement according to process route in accident reasonably carries out resource selection and coordinated allocation.
Assuming that only needing production comprising a type of product I in accident, (production task of multiple product combination can By that analogy), its production technology is characterized as:I1 → I2 →... ... → In (work such as car, milling, mill during expression manufacture product I Sequence, n represent it required for flow quantity, i.e. process route length).
In process of production, when there is accident, specific dynamic coordinate process is Discrete manufacturing system:
S1, being chosen from resources bank according to the production technology of accident suitably can process equipment;
S2, foundation hormone take the hormone amount remained in each resource hormone information node in environment in, and superposition obtains each Hormone secretion amount in the existing resource feedback hormone of bar process route;
Specific formula is,
Wherein, ρiHormone secretion amount is remained on resource i selected in process route, n represents process route length;
S3, production task hormone information and resource the feedback hormone information updated in Discrete manufacturing system;
S4, the existing hormone dynamic coordinate algorithm of operation, i.e. step 5~9, are that the suitable money of matching is coordinated in accident Source.
The above method is mainly and is inspired by internal system hormone response flooding mechanism, realizes a kind of anti-based on hormone The manufacture system dynamic coordinate method of diffusion principle is answered, devising two kinds can carry out rapid optimizing with interactional hormone, wherein In order to expand the solution space of optimizing, also use the method for genetic cross variation to operate feasible solution, so as in multiplexing In the case of skill route, resource can be carried out according to production task more reasonably select and distribute.Simultaneously the above method for Accident in manufacture system is responded, and can improve the agility of system.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, on the premise of the technology of the present invention principle is not departed from, some improvement and deformation can also be made, these improve and deform Also should be regarded as protection scope of the present invention.

Claims (5)

1. the manufacture system dynamic coordinate method of hormone response diffusion principle is based on, it is characterised in that:Comprise the following steps,
Step 1, analyzes production task and resource coordination optimization process, founding mathematical models and its constraint of Discrete manufacturing system Condition;
Step 2, is inspired by internal system hormone control mechanism, on the basis of the Mathematical Modeling set up, builds workshop management The production task hormone information of layer, builds the resource feedback hormone information of process route;
Step 3, the production capacity to all resources sets up production capacity table, and assesses its production capacity, sets up hormone information section Point, deposits it and is directed to the corresponding hormone secretion amount of various production tasks, and composition can take the Discrete manufacturing system " body of hormone in The interior environment of liquid ";
Step 4, after production task is reached, carries out production breakdown, and some process routes are generated according to workshop real resource situation, Then verified by constraints, actual conditions are adjusted, and generated the work produced on each processing route at random Number of packages amount;
Step 5, generate production task hormone, and releases into PE;
Step 6, Workshop Production resource layer perceives production task hormone, and the virtual condition according to each process route is carried out to it Response, when the resource low production cost on certain process route, and meets the requirement of constraints, then increase its hormone secretion Amount;Otherwise then reduce its secretory volume;
Step 7, generation resource feedback hormone, and release into PE;
Step 8, Shop floor control layer senses that resource feeds back hormone, and production task hormone is carried out more further according to information therein Newly, the piece count for being produced on adjustment wherein each processing route, and global optimization is carried out by genetic cross variation method;
Step 9, according to object function to cross and variation after new allocative decision calculate, and all solutions are arranged successively Sequence, screening, elimination of the last one, calculate solution space matrix, and generate resource feedback hormone with this;
Step 10, sets cycling condition, and the methods described in step 5~9 is circulated operation, solves in multi-process routes In the case of, according to Discrete manufacturing system model target, task is selected and distribution with the most rational of resource.
2. the manufacture system dynamic coordinate method based on hormone response diffusion principle according to claim 1, its feature exists In:The Mathematical Modeling of Discrete manufacturing system is,
min Ctotal(P)=CP(P)+CT(P)
C P ( P ) = Σ R P ( N r p × C r p )
C T ( P ) = Σ R P N r p × C T r p
Constraints is,
N P = Σ R P N r p
T = Σ R P ( N r p × T r p + T t r p ) ≤ D P
Wherein, Ctotal(P) it is total cost of production, CP(P) it is work piece production expense, CT(P) it is workpiece transport expense, RPFor can be with The process route sum of production, NrpIt is the production quantity of the workpiece P on process route rp, CrpIt is single on process route rp The production cost of workpiece P, CTrpIt is the cost of transportation of the workpiece P on process route rp, NPIt is the total amount of generation production workpiece P, TrpFor The production time of workpiece P, T on process route rpTrpIt is the haulage time of the workpiece P on process route rp, T is completion date, DPIt is the delivery date of production task.
3. the manufacture system dynamic coordinate method based on hormone response diffusion principle according to claim 2, its feature exists In:Production task hormone triple hx(Job_id, Num, Info) builds, resource feedback hormone four-tuple hy(Routh_ Id, c, t, ρ) build;Wherein, Job_id represents the numbering for production task, and Num represents the quantity of workpiece, and Info represents production The related process information of task, Routh_id represents that process route is numbered, and c represents the cost information of the processing route, and t represents this Process time on processing route, ρ represents hormone secretion amount.
4. the manufacture system dynamic coordinate method based on hormone response diffusion principle according to claim 3, its feature exists In:Hormone secretion amount more new formula:
ρrp(t+1)=α ρrp(t)+Δρ
Δ ρ = Q N r p × C r p
Wherein, ρrpIt is the amount of hormone secretion two on process route rp, α is the retention rate of hormone, and Q is known fixed constant amount, t tables Show current time, t+1 represents next workpiece arrival time.
5. the manufacture system dynamic coordinate method based on hormone response diffusion principle according to claim 4, its feature exists In:In process of production, when there is accident, specific dynamic coordinate process is Discrete manufacturing system,
S1, being chosen from resources bank according to the production technology of accident suitably can process equipment;
S2, foundation hormone take the hormone amount remained in each resource hormone information node in environment in, and superposition obtains each bar work Hormone secretion amount in the existing resource feedback hormone of skill route;
Specific formula is,
ρ r p = Σ i = 1 n ρ i
Wherein, ρiHormone secretion amount is remained on resource i selected in process route, n represents process route length;
S3, production task hormone information and resource the feedback hormone information updated in Discrete manufacturing system;
S4, the existing hormone dynamic coordinate algorithm of operation, i.e. step 5~9, are that the suitable resource of matching is coordinated in accident.
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