Collateral workshop makes the application of industry government and PA algorithm

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Summary: Analysed workshop exercise and the character that its run a system, difficulty, discuss use and management works between drive a vehicle (Concurrent Shop Floor Control) solves a workshop function of exercise system overall situation is optimized and the system is timely answer the question that contradicts between interference, right the architecture of CSFC, move (alternant) mechanism and control are algorithmic (PA algorithm) undertook discussion. In the market progressively buyer is changed, below globalization condition, shorten apparently to get used to the much denaturation of client demand and product lifecycle and scale of production of much breed, small lot increases ceaselessly wait for the market that create competitive pressure, production company uses all sorts of new technologies, new technology and new facility actively. In the meantime, the controller of the enterprise realizes, must use advanced production pattern on one hand, for instance seed profit is produced (LP) , collateral project (CE) , nimble make (AM) , intelligence is made (IM) , fictitious make (VM) , those who enhance company flow is compositive: 2 be must popularize the PDM, technology such as ERP energetically, those who reinforce industry technology information and company plan and administrative message is compositive: 3 be must undertake optimizing to more and more complex production system, change traditional constituent structure and control way, make make a system there is the flexibility of fast meet an emergency already in dynamic and changeful environment, those who maintain a system is high-powered, the acceptance that has pair of interference again ability (fault tolerance ability) , to environmental suiting ability is mixed organize ability oneself, maintain hale sex of the system. The article is emphasized from production system transform a respect to discuss the efficiency that how improves a business and ability of meet an emergency. Production system, have especially relatively complete the workshop exercise system with independent function, traditional constituent structure and control means have give rank type and different form form two kinds. Give rank type construction to will control module to pursue course statified, every have respective task and function, it is between fluctuation layer module advocate - from the relation, use an order - the mode of the answer, control and the layer is chased to deliver between the fluctuation layer that feedback information passes photograph adjacent, the advantage was to reduce control difficulty, can master global function of the system, defect is cannot be answered in time and handle interference. Construction of different form type is a kind of height distributed structure, all sorts of its function module production system regard the substance of each autonomy as, single entity has very big autonomy and decision-making capacity, decision-making achieve through information, harmonious opinion communicating each other between entity, the advantage is to have very tall flexible, hale sex and the favorable response capacity to interference, defect was to lose overall situation to optimize character and the foresight to systematic performance. How to make full use of the advantage that gives rank type and structure of control of different form type, prevent both defect again at the same time? In probing a process, we were used and course of study of intercrop of drive a vehicle manages systematic pattern, through exercise attempers and working pilot runs paralell processing, the stability that makes system of car intercrop industry has interference rejection, adaptability to change and the flexible, efficient sex that uses resource and the foresight to function of systematic overall situation. Collateral workshop uses multilayer constituent configuration on whole of operation management system, force of decision making authority allocates with executive layer appropriately in decision-making layer, decision-making layer is in charge of what optimize according to historical information generation attempering plan, executive layer is being carried out attemper in the process of plan, influence adjusts original plan appropriately according to machining the circumstance of the spot, what carry out the effect in order to achieve is actual more actor. Strategy of the architecture that introduce below and manages between drive a vehicle, control and control are algorithmic. Graph of architecture of graph 1 CSFC pursues 2 collateral exercise attemper and course of study of intercrop of 1 collateral car runs model of operation control function collateral workshop exercise manages systematic architecture systematic CSFC(Concurrent Shop Floor Control) is configured by resource subsystem and process accuse. Resource configuration subsystem includes to produce task government unit, resource management unit, attemper implement, online controller, monitor, it basically is in charge of resource - of the task match and of systematic performance optimize: Process control subsystem includes CAE unit (CAD unit, CAPP unit, CAM unit) with resource management medium process dominates ministry grade, it basically is in charge of program of products plan, technology and process control waiting, constitute the relevant part of two stature systems appropriately, if pursue,reach 1 shows the architecture of CSFC. The working flow of CSFC system is: CSFC(production plan and craft management module) receive manufacturing job from MRPII, get component from CAX system design, craft and production information, (Attemper implement) the information that reachs its to configure information module according to resource again, use attemper appropriately algorithmic, the operation that builds optimization attempers plan, allot plan resource module through online controller next (if carry unit and manufacturing unit) . In the meantime, CAX module conveys corresponding NC program to manage module to DNC, by basis of DNC management module the instruction of each technology data and online controller is executive layer to carry out work program to offer numerical control program to wait. The process is here medium, after the spot information processing that monitor will collect, convey with proper way relevant module, each module divides the work to make response to timely condition of the system and interference element again. The control that course of study of intercrop of 2 collateral cars manages is politic and collateral workshop operation management attempers mediumly implement run paralell with online controller move, make to interference on different time measure answer, make the one before one solution after. Among them, attemper implement the overall situation of systematic performance is optimized, adjust on larger time scale existing attemper plan. It undertakes optimizing computation continuously, attemper with the static state algorithmic (wait like network of genetic algorithm, nerve) seek attempers the optimization of plan, those who assure a system is high-powered, can forecast a gender, but the information past the appointed time that its master, and the computational time with many need. Online controller is in charge of answering interference, it carries out algorithm through attempering (if PA is algorithmic,wait) the system of the period of time before arising to new optimum plan carries advancing travel is optimized. Online controller is timely monitor production system condition, control to make resource, carry out independently attemper plan: As far as possible comply with attempers plan, but break plan to be disturbed in order to answer when necessary. Such, can attemper according to showing some plan and system are effective condition is timely put forward proper resource to deploy program, is not to let attemper implement assume alone attemper again optimize the task, alleviate greatly thereby the time pressure that attempers again, shortened dry approach answers time, also increased to attemper greatly optimized usable time. Its function model is shown 2 times like the graph. When interference happening, online controller above all with existent best attemper plan is fiducial, the basis creates the condition with current system, give lash-up work plan through fair algorithmic and quick consideration, make sure before new optimal program calculation comes out the system moves with taller efficiency: In the meantime, interference plan of information, lash-up feedbacks to attemper implement, attemper implement undertake according to up to date information optimization is calculated afresh instantly, feedback computation in time as a result online controller. This shows, be optimized to solve systematic performance and the system is timely the contradiction that answers interference, must configure decision making authority afresh, must break those who give rank type construction and structure of different form type to manacle, in assure to attemper implement decision making authority while, gift the own decision making authority with online certain controller. Is the autonomy expression of controller in: ? Know well warmths ablaze  of Ω fan beat up denounces school  Ju to circle Ju of male of Da   to light Ping  to knock?nominal Plan) of Ping of  small house, it is one of referenced information with decision-making controller only, other consults information returns methodical current condition. The target of controller is the function in getting the scheme for selection that limited time internal energy gets best person. The control algorithm that course of study of intercrop of 3 collateral cars manages pursues 3 systems move attemper of moving process of state diagram system know again to particular job market, if the capacity of workshop exercise system is sufficient, basic cycle time is enough, and this condition is not disturbed to destroy, criterion job market always can be finished. Right now, according to operational research principle, optimize index to specific overall situation, the aleatoric hour during the system is moving, theoretic put in best attemper plan, and below good position, the hour that the system invades in interference by a kind best attemper plan transition goes to another kind best attemper plan. Because actual system is attempered technical limitation, always have a delay, also put in to transfer consequently condition. So, from attemper the function angle of plan will make an on-the-spot investigation, the moving process of actual system by a certain number of best attemper level, transfer attemper the initial drop of level and system and end dot composition. If pursue,3 are shown. Produce job make known to lower levels, attemper implement the basis attempers certainly index, obtain through sufficient operation enough optimize attemper plan S1, allot online controller to carry out. In T1 hour, the system encounters interference, control systematic preexistence on one hand S2 of plan of lash-up of the generation inside shorter time, assure a system to move with certain efficiency before optimizing plan newly to arise, on one hand, attemper implement the optimization operation that passes time of T2 ～ T1, get new plan S3, allot carry out. In T3 hour, because was adopted,improve measure (if add new facility) , systematic performance rises, same, controlling a system also is preexistence the generation inside shorter time remedies plan S4, assure to attempering implement before producing new optimal program S5 through time of T3 ～ T4, the system can move by improvement plan. In hour T5 manufacturing task is finished. The plan that online controller processing violates and algorithm understand kind according to what get on, the response of interference how has the problem made cross a process with respect to translate into as far as possible short, function drops as far as possible small issue. Is online controller in is the duty of best phase to carry out best attemper plan: ? Colourful of awl of Quan  hill is troubled by joyous ǖ of  of ü of  of ⅲ of bank of ⌒ of breed of ⑾ of float of paddle of crab of bell of Zu of  of apology of bully fish hawk to be cut of Meng of handsome Song of Zhui ㄑ lever to read × of dryland rice of Pie deputy Han to gnaw > grave  is foolish Ju truly 5 Ju circles paddle float Bian Quan, optimization attempers plan is transferred to another condition from one condition. Transfer in this in, system of car intercrop industry (include to attemper implement, online controller and carry out implement etc) behavior can have multiple choice: Controller is when interference happening instantly of break down system move, feedback right now systematic condition information to attemper implement, next all the time when new optimization plan emerges, just start a system afresh according to new plan. The issue that this plan exists is as follows: Transfer phase system dead stop moves, cause resources waste, efficiency to drop, and make of the task finish serious delay. Controller is when interference happening, not classics optimize or the regulation with simple basis (allocate for example regular, lien regulation) make control plan, make the system continues to move, feedback systematic information to attemper next implement, attemper implement operation of reentry travel optimization, serve as the result attemper newly plan. The issue that this plan exists is as follows: Itself of system of car intercrop industry has accurate muddleheaded character, drop badly what overshoot the abominable function of Cheng causes systematic whole function extremely easily too: And transfer of level and new best level it is difficult to join, new attemper after plan emerges, get again coordinate with the systematic traffic programme that falls at abominable condition again, may cause a department to unite straight small effect to move. After interference happening, controller is only responsible and local optimize, the executive plan that make takes no account of global function index. Have algorithm, if emulate,can obtain effectively the algorithmic, algorithm that is based on regulation quickly local optimize plan. The problem that this plan exists is: What controller carries out is local optimize, because this cannot assure global function index,tend optimize. After interference happening, controller is responsible and local decision-making, but the level that it considers global index to change, all sorts of information computation give can rapid ground global function drops the smallest executive program. Comfortable hereat the better algorithm of plan is PA algorithm. Introductory PA algorithm is emphasized below, prove this kind of method sides with the orient that makes function of systematic overall situation is optimized to try hard simply. PA algorithm is online if controller knows local and decision-making how to affect global performance, so it can be passed local and decision-making represent decision-making end directly, optimize according to overall situation thereby will undertake local and decision-making. Perturbation is analysed (technology of a when PA) solves this kind of problem namely special maths. In PA algorithm, global function index expresses to be the function of local and decision-making parameter. Above all, of parameter of ministry of play a game of chess of index of function of computational overall situation slant derivative, use these slanting next the linear expression that derivative represents global target to be local parameter. Such, came true decision-making target and local and decision-making direct and relevant. To reduce the burden of online controller, slant derivative by attemper implement definition leaving a line and computation: And online controller is mixed as a result according to computation timely production information, make quickly local and decision-making. But, groovy Gantt graph attempers plan notation cannot offer computation to slant the enough information of derivative, because this passes mobile network plan to express,attemper plan, begin time the earliest what can define Ee(of local and decision-making parameter to be like every operation in the system so) the) of average delay time that is like manufacturing task with L(of global function function, l is the function of Ee. The L of computational method computation that knows exorbitant effect next is right of Ee slant it expresses derivative L/ee(the influence of local and decision-making parameter to function of systematic overall situation degree) measure with the change of L (L must be calculated in real time come out) , l is expressed to be the linear expression of L/ee. Online attune spends Cheng in, with global viewpoint, according to timely information of the system, decide scheme for selection, slant to every plan computation derivative L/ee, calculate so that the metabolic quantity of global index L is L next. L optimal plan is chosen to be namely transfer the executive plan of level. From the operation above flow is knowable, PA is algorithmic with existent best attemper plan is fiducial, a certain number of overall situation index expression is the equation of local parameter, go out through differential and quick consideration with plan of optimal of deviate of original optimum plan, make sure before new optimal program calculation comes out the system moves with taller efficiency. Online controller is decision-making fiducial not be new optimum plan, because it is nonexistent still at that time. Consequently online controller is not immediate goal with making sure systematic performance is best, make sure through making sure the deviation of systematic performance and existent and optimal program is the idealest systematic performance is in secondhand however transfer of level optimize. The collateral type that the article analysed 4 conclusion and administrative system works between drive a vehicle architecture, response should be made quickly already when interference is being sufferred in running a course to solve a system, want to hold the issue that function of systematic overall situation optimizes again, attempering decision making authority implement and proper allocation undertook between online controller. And spend for best attune through running the system the process to differentiate Cheng and transfer tone spends Cheng, the response interference the processing problem that opposite of problem translate into crosses a process. Introduced a kind again further efficient, can make systematic performance is optimized attemper executive algorithm PA is algorithmic. CNC Milling CNC Machining