CN102938102A - Cross-operation unit scheduling method with batching machine - Google Patents
Cross-operation unit scheduling method with batching machine Download PDFInfo
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- CN102938102A CN102938102A CN2012103986210A CN201210398621A CN102938102A CN 102938102 A CN102938102 A CN 102938102A CN 2012103986210 A CN2012103986210 A CN 2012103986210A CN 201210398621 A CN201210398621 A CN 201210398621A CN 102938102 A CN102938102 A CN 102938102A
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Parameter | Scope |
β 1=β 2 | (0.2,0.5,1,2) |
β 3 | (0.01,0.1,0.5,1) |
Q/τ_max | (0.1,0.2,0.4) |
ρ | (0.1,0.2,0.4) |
Parameter | Span | Recommended value |
α 1=α 2=α 3 | 1 | 1 |
β 1=β 2 | (0,4) | 2 |
β 3 | (0,4) | 0.01 |
ρ | (0,1) | 0.2 |
τ_max | (1,10) | 5 |
Q | (0,τ_max) | 0.2*τ_max |
Claims (2)
- One kind with batch processor stride the operation unit dispatching method, may further comprise the steps:The 1st step: be defined as follows the index shown in the table and variable:Table 1 index and variableSimultaneously, the pheromones of three kinds of different structures of definition:A) the pheromones structure during operation is assignedSelect in the process of machine in operation, the matrix that defines an O * M size represents pheromones, and wherein O represents the operation sum, and M represents machine sum, the element (O in the matrix Ij, k) expression operation O IjPheromone concentration corresponding to k processing on machine;B) the pheromones structure in the Operation SequencingDuring Operation Sequencing on every machine, the matrix that defines M O * O size represents pheromones, and wherein O represents the operation sum, the element (O in m matrix Ij, k) the upper operation O of expression machine m IjK pheromone concentration that processing is corresponding on this machine;C) the pheromones structure during batch processor operation group is criticizedIn the process that batch processing operation group is criticized, the matrix of definition N * N size represents pheromones, and wherein N represents part sum, and element (i, j) expression part i and part j are at same batch of corresponding pheromone concentration;Select a part to add existing batch at every turn from optional parts list when batch processing operation group is criticized, and batch number can't determine, therefore definition shown in the formula (1) is arranged:Wherein, τ I, bExpression adds pheromone concentration corresponding to batch b, τ with part i I, kExpression part i and part k be at same batch of corresponding pheromone concentration, | B b| expression B bIn existing part number; Formula (1) is not if expression batch b be empty, and then pheromone concentration corresponding to part i adding batch b is, part i respectively with batch b in existing part same batch pheromone concentration sum, otherwise be definite value 1;The 2nd step:Carry out initialization, transfer distance, the part sum that must process and the technique information of each part between input machine information, dividing elements, unit, then according to following explanation initialization information element:A) pheromones during the initialization operation is assignedWherein, τ I, j, mExpression operation O IjAt pheromone concentration corresponding to machine m processing, ε is the pheromone concentration initial value, is decided to be 0.01;B) pheromones in the initialization Operation SequencingWherein, τ on machine m M, i, j, kExpression operation O IjAt k the pheromone concentration that processing is corresponding, ε is the pheromone concentration initial value, is decided to be 0.01;C) pheromones of initialization batch processor operation in batchesWherein, τ I, kExpression part i and part j are at the same batch of pheromone concentration that processing is corresponding, and ε is the pheromone concentration initial value, is decided to be 0.01;The 3rd step:According to processing sequence, the every procedure before the batch processing operation of each part is assigned to machine, namely be followed successively by the selected processing machine of every procedure for each part according to the processing sequence of operation, every selected probability of machine is:Wherein, Pr I, j, mExpression operation O IjThe probability that k processes on machine, ρ I, j, kThe heuristic information that expression is corresponding, α 1, β 1Represent respectively pheromone concentration, the shared weight of heuristic information;Owing to having considered striding unit transfer time of part, therefore ρ I, j, kBe defined as follows:Wherein, P I, j, kExpression O IjProcess time on k on the machine, TT iD M ', kThe machine m ' of expression part i unit distance transfer time and preceding working procedure processing amasss to the transfer distance of machine k is, i.e. transfer time corresponding to part i; Can be found out preferential Choice and process time and the less machine of sum transfer time when operation is assigned by the heuristic information formula;Obtain operation behind the probability that every optional machine is processed, select at random certain this operation of machining with the roulette algorithm;The 4th step:According to time sequencing, with the per pass Operation Sequencing on each machine, namely on the basis that operation is assigned, determine processing sequencing and the zero-time of operation on every machine; Concrete grammar is:For every machine, can dispatch the operation from it, according to probability shown in the following formula, select one procedure arrangement to process at the next one so that the roulette algorithm is random; Repeat this process, until all process steps all is scheduled;Wherein, Pr M, i, j, lThe upper O of expression machine m IjAt the probability of l processing, ρ M, i, j, lThe heuristic information that expression is corresponding, α 2, β 2Represent respectively pheromone concentration, the shared weight of heuristic information;The heuristic information of workpiece sequencing has considered the setup time of striding unit transfer time and machine of part, the setup time of striding unit transfer time and machine of part in fact can be overlapping simultaneously, namely in the transfer process of part, corresponding machine can begin to prepare for processing this part, therefore the heuristic information definition is suc as formula shown in (8):Wherein, f I, j-lThe time of the j-1 procedure process finishing of expression workpiece i, D M ', mThe transfer distance of expression from the machine m ' of a procedure on the processing work to machine m, l I, jAffiliated part family: the l of part that is used for previous processing on the marking machine I, jWorkpiece and the workpiece i of=0 expression workpiece i previous processing on first processing or machine on the machine belong to Same Part family, l I, jWorkpiece and the workpiece i of previous processing do not belong to Same Part family, TE on=the 1 expression machine M, i, jThe upper O of expression machine m IjFinish time of last procedure, max (f I, j-1+ T T iD I, j, m, TE M, i, j+ l I, jST I, j, m)-TE M, i, jRepresent that then a procedure finishes to O in the past IjThe real time of beginning machining cost; By the heuristic information formula as can be known, when Operation Sequencing, priority scheduling can more early begin the operation of processing;In the Operation Sequencing process, for any machine, it can dispatch operation is to be assigned in the operation of this machine, the set of the operation that the first operation of arbitrary part or last procedure have been sorted;The 5th step:The batch processing operation is criticized, dispatched to the part group, and the batch processing operation with which part of namely making a strategic decision is placed on same batch of batch processor and processes, and concrete grammar is:Step1. select the time of arrival of part the earliest, add this batch;Step2. upgrade candidate's part collection, candidate's part collection is defined as: if b is arbitrary batch, then its candidate's part collection is following set:Be candidate's part collection of arbitrary batch, for all can not make with part Same Part family wherein and after adding this batch batch in the total size of part surpass the set of the part that batch processor capacity or batch waste and free space increase;For a batch of b of batch processor, the waste of b and free space WIS bBe this batch wasting space WS bWith free space IS bSum, for the scheduling solution S of a batch processing operation, WIS (S) represents waste and the free space of S, equals the WIS sum of all batches of S; WS and IS are defined as follows:IS b=C B·(BS b-BE b-1) (11)Wherein, BS b, BE bThe start and end time that represents respectively batch b, P IMBe the batch processing operation process time of part i, and when b=0, make BE B-1Be initial time,Therefore have:Step3. concentrate the selected probability of part according to following formula calculated candidate part, then select one of them part to add this batch with the roulette algorithm;Wherein, α 3, β 3Represent respectively pheromone concentration, the shared weight of heuristic information, Pr I, bExpression part i adds the probability of batch b,ΔWS i,b=WS b′-WS b=C B·(S b′-S b)+C B·(P b′-P b)-S iP i (15)If Step4. candidate's part collection is not empty, goes to Step2, otherwise continue to carry out Step5;Criticize if Step5. also have part not yet to organize, go to Step1, continue to set up next batch, otherwise finish;The 6th step:According to processing sequence, the every procedure after the batch processing operation of each part is assigned to machine, method is with the 3rd step;The 7th step:According to time sequencing, with the per pass Operation Sequencing on each machine, method is with the 4th step;The 8th step:According to the solution that forms, the lastest imformation element, update rule is:For each solution in the optimum solution set,If a) operation O IjBe assigned to machine m, thenτ i,j,m=(1-ρ)·τ i,j,m+ρ·ΔτB) if operation O IjK processing on machine m, thenτ m,i,j,k=(1-ρ)·τ m,i,j,k+ρ·ΔτC) if part O iAdd batch b, thenWherein, ρ represents the pheromones volatility, and Δ τ is the pheromones renewal amount:Q is pheromones renewal amount factor of influence, γ 1, γ 2, γ 3Be the weights of three optimization aim, represent respectively three optimization aim: the attention degree of stand-by period between maximum completion date, batch processor utilization factor, non-batch processing operation and the batch processing operation, and γ 1+ γ 2+ γ 3=1, Represent respectively total completion date that this scheduling is separated, batch processor utilization factor, the ratio of total waiting time and current optimum solution between non-batch processing operation and the batch processing operation;The 9th step:If cycle index reaches the upper limit, or the several times optimum solution is unchanged continuously, then finishes; Otherwise, turned for the 2nd step;The scope that arranges of customer parameter is in above step:
Parameter Span α 1=α 2=α 3 1 β 1=β 2 (0,4) β 3 (0,4) ρ (0,1) τ_max (1,10) Q (0,τ_max) - According to claim 1 a kind of with batch processor stride the operation unit dispatching method, it is characterized in that, according to customer parameter is set shown in the following table:
Parameter Recommended value α 1=α 2=α 3 1 β 1=β 2 2 β 3 0.01 ρ 0.2 τ_max 5 Q 0.2*τ_max
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103699105A (en) * | 2013-12-30 | 2014-04-02 | 北京施达优技术有限公司 | Data processing method and device for production scheduling |
CN104700157A (en) * | 2015-02-03 | 2015-06-10 | 北京理工大学 | Cross-cell workpiece production path search method considering limited transportation capacity |
CN105354695A (en) * | 2015-11-24 | 2016-02-24 | 北京首钢自动化信息技术有限公司 | Energy flow and material flow coordinated planning and compiling method for cold mill |
CN105700495A (en) * | 2016-01-13 | 2016-06-22 | 济南大学 | Flexible job shop scheduling machine selection method based on processing time grade |
CN106228265A (en) * | 2016-07-18 | 2016-12-14 | 中山大学 | Based on Modified particle swarm optimization always drag phase transport project dispatching algorithm |
CN106971235A (en) * | 2017-02-16 | 2017-07-21 | 上海大学 | A kind of flexible job shop Optimization Scheduling in batches that there is intermediate storage constraint |
CN107133703A (en) * | 2017-06-01 | 2017-09-05 | 合肥工业大学 | A kind of online batch processing method of incompatible workpiece group based on requirement drive |
CN109409763A (en) * | 2018-11-08 | 2019-03-01 | 北京航空航天大学 | A kind of dynamic test assignment dispatching method and dispatching platform based on Greedy grouping strategy |
CN109447408A (en) * | 2018-09-21 | 2019-03-08 | 华中科技大学 | It is a kind of based on Complex Networks Theory across unit dispatch method |
CN110046777A (en) * | 2018-01-17 | 2019-07-23 | 北京理工大学 | A kind of flexible job shop persistently reconstructs dispatching method and device |
CN111260144A (en) * | 2020-01-20 | 2020-06-09 | 合肥工业大学 | Method for solving single-machine batch scheduling problem under condition of random arrival of different workpieces |
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CN103699105A (en) * | 2013-12-30 | 2014-04-02 | 北京施达优技术有限公司 | Data processing method and device for production scheduling |
CN103699105B (en) * | 2013-12-30 | 2016-09-07 | 北京施达优技术有限公司 | The data processing method of production scheduling and device |
CN104700157A (en) * | 2015-02-03 | 2015-06-10 | 北京理工大学 | Cross-cell workpiece production path search method considering limited transportation capacity |
CN104700157B (en) * | 2015-02-03 | 2018-10-09 | 北京理工大学 | A kind of across unit work piece production method for searching path considering that transport capacity is limited |
CN105354695A (en) * | 2015-11-24 | 2016-02-24 | 北京首钢自动化信息技术有限公司 | Energy flow and material flow coordinated planning and compiling method for cold mill |
CN105700495B (en) * | 2016-01-13 | 2018-02-23 | 济南大学 | Flexible job shop scheduling machine choice method based on process time grade |
CN105700495A (en) * | 2016-01-13 | 2016-06-22 | 济南大学 | Flexible job shop scheduling machine selection method based on processing time grade |
CN106228265A (en) * | 2016-07-18 | 2016-12-14 | 中山大学 | Based on Modified particle swarm optimization always drag phase transport project dispatching algorithm |
CN106228265B (en) * | 2016-07-18 | 2019-12-03 | 中山大学 | Phase transport project dispatching method is always dragged based on Modified particle swarm optimization |
CN106971235A (en) * | 2017-02-16 | 2017-07-21 | 上海大学 | A kind of flexible job shop Optimization Scheduling in batches that there is intermediate storage constraint |
CN107133703A (en) * | 2017-06-01 | 2017-09-05 | 合肥工业大学 | A kind of online batch processing method of incompatible workpiece group based on requirement drive |
CN110046777A (en) * | 2018-01-17 | 2019-07-23 | 北京理工大学 | A kind of flexible job shop persistently reconstructs dispatching method and device |
CN110046777B (en) * | 2018-01-17 | 2020-12-29 | 北京理工大学 | Continuous reconfiguration scheduling method and device for flexible job shop |
CN109447408A (en) * | 2018-09-21 | 2019-03-08 | 华中科技大学 | It is a kind of based on Complex Networks Theory across unit dispatch method |
CN109447408B (en) * | 2018-09-21 | 2021-07-02 | 华中科技大学 | Cross-unit scheduling method based on complex network theory |
CN109409763A (en) * | 2018-11-08 | 2019-03-01 | 北京航空航天大学 | A kind of dynamic test assignment dispatching method and dispatching platform based on Greedy grouping strategy |
CN109409763B (en) * | 2018-11-08 | 2021-03-12 | 北京航空航天大学 | Dynamic test task scheduling method and scheduling platform based on greedy grouping strategy |
CN111260144A (en) * | 2020-01-20 | 2020-06-09 | 合肥工业大学 | Method for solving single-machine batch scheduling problem under condition of random arrival of different workpieces |
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