CN103092086B - Control method and control system of multiple-step competing batch charging - Google Patents
Control method and control system of multiple-step competing batch charging Download PDFInfo
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- CN103092086B CN103092086B CN201110335021.5A CN201110335021A CN103092086B CN 103092086 B CN103092086 B CN 103092086B CN 201110335021 A CN201110335021 A CN 201110335021A CN 103092086 B CN103092086 B CN 103092086B
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Abstract
The invention discloses a control method of multiple-step competing batch charging. The method comprises the following steps: working position points receiving batch charging formulas and producing formula orders containing nature of the working position points and batch charging formulas, and sending the formula orders to an input buffer area through a data interface; receiving the formula orders, arraying the formula orders according to the receiving sequence, placing the formula orders in a waiting buffer area, and eliminating data of the data interface; monitoring working parameters of a batch charging system, and when the working parameters meet executing conditions of a certain formula order, shifting the formula order from the waiting buffer area to an executing buffer area and deleting the formula order from the waiting buffer area; and searching a matched working position point according to the nature of the working position point of the formula order, monitoring equipment states of the working position point, executing the formula order of the executing buffer area when the equipment states meet requirements, verifying the nature of the working position point in the formula order before executing the formula order, and deleting the formula order from the executing buffer area after the formula order is executed.
Description
Technical field
The present invention relates to metallurgical automation field, particularly relate to a kind of multistation for feeding system and compete the control method and control system that feed intake.
Background technology
At present, control method for steelworks feeding system mostly be the system same time only automatically perform one formula order or by people for being decomposed into several semi-automated procedures to realize, even if there is multiple formula order also must to perform according to the condition order preset simultaneously, be substantially also equal to the form of single formula order.This is mainly all carry out designing based on the double form of form one to one or a pair two due to the feeding system of previous steelworks, also just mainly sequential control in control method.For the steelworks with a complete product line, the double form of form or a pair two can make independently system too much cause the increase of cost of investment and the utilization factor of equipment to can not get fully playing one to one, therefore, when some steelworkss carry out the adjustment of product line and newly-built product line, form feeding system being designed to one-to-many is started.Continue to adopt control method above no doubt also can complete the task of feeding intake, but be that single formula command forms or employing polygamy side order execute form all can cause operation inconvenience and too much stand-by period, thus the production of restriction multistation.
Each actual feeding system can have different device types and number of devices according to the difference of technological requirement, and the setting data of varying number.
Increasing steelworks is for investment reduction, cost-saving consideration and wish that multiple station shares a set of feeding system.
Summary of the invention
The present invention is intended to propose a kind of control method and the control system that can share a set of feeding system for multiple station.
According to one embodiment of the invention, propose a kind of multistation and compete the control method fed intake, comprising:
Work station point receives the formula that feeds intake, and produces the formula order comprising work station point attribute and feed intake formula, and formula order is sent to typing buffer zone and sends via data-interface;
Receive formula order, the sequencing arrangement formula according to receiving is ordered and puts into pending buffer district, by the data dump of data-interface after the order of reception formula;
The running parameter of monitoring feeding system, when running parameter meets the executive condition of the some formula orders in pending buffer district, to move on to this formula order from pending buffer district executive buffer and to delete from pending buffer district;
The work station point of coupling is searched according to the work station point attribute in described formula order, monitor the equipment state of this work station point, the formula order in executive buffer is performed when equipment state meets the demands, wherein before performing formula order, the work station point attribute in formula order is examined, delete from executive buffer after formula order is finished.
In one embodiment, in pending buffer district, priority rule is applied to formula order.
In one embodiment, each work station point can check the formula order in executive buffer, and can delete the formula order with this work station point attribute from executive buffer.
In one embodiment, equipment state comprises equipment idle condition and device ready state.
In one embodiment, the formula order application principle of free competition of executive buffer.
According to one embodiment of the invention, propose a kind of multistation and compete the control system fed intake, comprising:
Several work station point, work station point receives the formula that feeds intake, and produce the formula order comprising work station point attribute and feed intake formula, work station point comprises typing buffer zone, and formula order is sent to typing buffer zone and sends via data-interface;
Pending buffer module, be connected to work station point, pending buffer module comprises pending buffer district, pending buffer module is connected with the typing buffer zone of work station point by data-interface, pending buffer module receives formula order, sequencing arrangement formula according to receiving is ordered and is kept in pending buffer district, by the data dump of data-interface after the order of reception formula;
Perform buffer module, be connected to pending buffer module and work station point, perform buffer module and comprise executive buffer, when the running parameter monitoring feeding system meets the executive condition of the some formula orders in pending buffer district, perform buffer module and this formula order to be moved on to from pending buffer district executive buffer and from pending buffer district, to delete this formula order;
Execution module, be connected to execution buffer module, execution module searches the work station point of coupling according to the work station point attribute in formula order, monitor the equipment state of this work station point, the formula order in executive buffer is performed when equipment state meets the demands, wherein before performing formula order, the work station point attribute in formula order is examined, after formula order is finished, from executive buffer, delete this formula order.
In one embodiment, pending buffer module applies priority rule to formula order in pending buffer district.
In one embodiment, each work station point can check the formula order in executive buffer, and can delete the formula order with this work station point attribute from executive buffer.
In one embodiment, equipment state comprises equipment idle condition and device ready state.
In one embodiment, execution module is to the formula order application principle of free competition of executive buffer.
Multistation of the present invention competes the control method that feeds intake and control system makes multiple station can share a set of feeding system, accurately feeding intake of each station can be realized, operating influence each other can be dropped to again minimum, quick response can also be realized simultaneously, made full use of device resource and reduced system latency time.
Accompanying drawing explanation
Fig. 1 discloses the process flow diagram competing the control method fed intake according to the multistation of one embodiment of the invention.
Fig. 2 discloses the structural drawing competing the control system fed intake according to the multistation of one embodiment of the invention.
Fig. 3 discloses and carries out multistation according to one embodiment of the invention and compete the control procedure fed intake.
Fig. 4 discloses the workflow of the pending buffer module according to one embodiment of the invention.
Fig. 5 discloses the workflow of the execution buffer module according to one embodiment of the invention.
Embodiment
Shown in figure 1, present invention is disclosed a kind of multistation and compete the control method fed intake, the method comprises following step:
102. work station points receive the formula that feeds intake, and produce the formula order comprising work station point attribute and feed intake formula, and formula order is sent to typing buffer zone and sends via data-interface.
104. receive formula order, and the sequencing arrangement formula according to receiving is ordered and puts into pending buffer district, by the data dump of data-interface after the order of reception formula.In one embodiment, in pending buffer district, priority rule is applied to formula order.
The running parameter of 106. monitoring feeding systems, when running parameter meets the executive condition of the some formula orders in pending buffer district, to move on to this formula order from pending buffer district executive buffer and to delete from pending buffer district.In one embodiment, each work station point can check the formula order in executive buffer, and can delete the formula order with this work station point attribute from executive buffer.
108. search the work station point of coupling according to the work station point attribute in formula order, and monitor the equipment state of this work station point, in one embodiment, equipment state comprises equipment idle condition and device ready state.Perform the formula order in executive buffer when equipment state meets the demands, wherein before performing formula order, the work station point attribute in formula order is examined, delete from executive buffer after formula order is finished.The formula order of executive buffer all applies principle of free competition.
Shown in figure 2, present invention further teaches a kind of multistation and compete the control system fed intake, this comprises:
Several work station point 202, work station point 202 receives the formula that feeds intake, and produce the formula order comprising work station point attribute and feed intake formula, work station point 202 comprises typing buffer zone 220, and formula order is sent to typing buffer zone 220 and sends via data-interface 203.
Pending buffer module 204, be connected to work station point 202, pending buffer module 204 comprises pending buffer district 240, pending buffer module 204 is connected with the typing buffer zone 220 of work station point 202 by data-interface 203, pending buffer module 204 receives formula order, sequencing arrangement formula according to receiving is ordered and is kept in pending buffer district 240, by the data dump of data-interface 203 after the order of reception formula.In one embodiment, pending buffer module 204 applies priority rule to formula order in pending buffer district 240.
Perform buffer module 206, be connected to pending buffer module 204 and work station point 202, perform buffer module 206 and comprise executive buffer 260, when the running parameter monitoring feeding system meets the executive condition of the some formula orders in pending buffer district 204, perform buffer module 206 and this formula order to be moved on to from pending buffer district 240 executive buffer 260 and from pending buffer district 240, to delete this formula order.In one embodiment, each work station point 202 can check the formula order in executive buffer 260, and can delete the formula order with this work station point attribute from executive buffer 260.
Execution module 208, be connected to and perform buffer module 206, execution module 208 searches the work station point of coupling according to the work station point attribute in formula order, monitors the equipment state of this work station point, in one embodiment, equipment state comprises equipment idle condition and device ready state.Perform the formula order in executive buffer 260 when equipment state meets the demands, wherein before performing formula order, the work station point attribute in formula order is examined, after formula order is finished, from executive buffer 260, delete this formula order.Execution module 208 performs the formula order application principle of free competition of executive buffer 260.
Fig. 3 discloses and carries out multistation according to one embodiment of the invention and compete the control procedure fed intake.When multiple work station point shares a set of feeding system, due to the difference of rhythm of production, often there is multiple work station point and send to control system the request command that feeds intake simultaneously, the command type of request is also not necessarily the same, and each work station point wishes the response of the system that obtains that the request of oneself can be fast as far as possible.The multistation that the present invention proposes competes the automatic detection that the control system that feeds intake and control method utilize PLC, condition judgment and opertaing device action complete the realization competed between multistation and feed intake, feed intake for competition and devise following main functional module: pending buffer module (WAIT_IN), perform buffer module (PROC_IN) and execution module (RCP_PROC), also there are three data buffers simultaneously: typing buffer zone (Input_Data), pending buffer district (Waiting_Data) and executive buffer (Processing_Data).Wherein typing buffer zone (Input_Data) is arranged in work station point, pending buffer district (Waiting_Data) is arranged in pending buffer module (WAIT_IN), and executive buffer (Processing_Data) is arranged in execution module (RCP_PROC).
The formula order that pending buffer module (WAIT_IN) mainly realizes work station point (HMI) to set is deposited into pending buffer district (Waiting_Data) from the logging data buffer zone (Input_Data) of work station point, completes logging data buffer zone (Input_Data) and the data dump function for the data-interface that transmits data simultaneously.The data of pending buffer module (WAIT_IN) also in reciprocity pending buffer district (Waiting_Data) carry out sorting and processing capacity and the status tracking function such as deletion.Fig. 4 discloses the workflow of the pending buffer module according to one embodiment of the invention.
Perform buffer module (PROC_IN) mainly the formula order realized executive condition in pending buffer district (Waiting_Data) is met move in executive buffer (Processing_Data), complete the Data Position adjustment function to pending buffer district (Waiting_Data) simultaneously, the data of executive buffer (Processing_Data) sorted and processing capacity and the status tracking function such as deletion.Fig. 5 discloses the workflow of the execution buffer module according to one embodiment of the invention.
Execution module (RCP_PROC) mainly realize the condition judgment of the formula order in executive buffer (Processing_Data), execution, state root track and order complete after data dump and the adjustment of buffer data position.
The priority logical order scanning when performing according to pending buffer module (WAIT_IN) → execution buffer module (PROC_IN) → execution module (RCP_PROC) of pending buffer module (WAIT_IN), execution buffer module (PROC_IN) and execution module (RCP_PROC) performs.
In three data buffers, typing buffer zone (Input_Data) is arranged in work station point (HMI), data in typing buffer zone (Input_Data) and work station point (HMI) are fixing one-to-one relationships, only have two actions of read and write.The data of pending buffer district (Waiting_Data) and executive buffer (Processing_Data) stored in principle are: after the end of deposit data in buffer zone that enter.Data are moved out or are deleted according to condition judgment or manual operation, and data are moved out or the data that come its buffer zone below after deleting need to adjust position forward one by one.
It is as follows that multistation of the present invention competes the control procedure fed intake:
First, each work station point inputs the formula that need drop into material and then descends the formula order of hair band work station point attribute to typing buffer zone (Input_Data) on respective control terminal.Formula order has weighing, feeds intake and full-automatic three kinds.The formula input of each work station point and order issue and have employed different data-interfaces, so be independent of each other, separate.
After receiving the formula order of each work station point, all formula orders can be put into a pending buffer district (Waiting_Data) by the sequencing received, simultaneously can by the data full scale clearance of formula input interface.Simultaneously also can according to the technological requirement of different station point, to some priority rules of formula command set in formula command buffer, such system can be carried out outside the automatic operation process operation of sorting etc. formula order in buffer zone.Simultaneity factor additionally provides that operation interface manually sorts for operating personnel, the operation of deletion etc.The work of this part enters pending buffer module (WAIT_IN) by order of filling a prescription and realizes.
After the executive condition of the some formula orders in pending buffer district (Waiting_Data) meets, this formula order enters executive buffer (Processing_Data) and is deleted by from pending buffer district (Waiting_Data) simultaneously.Each work station point can check the formula order of all executive buffers (Processing_Data), and operating personnel can and be only limitted to manually to unerase operation to the formula order belonging to this work station point.The work of this part is realized by executive buffer module (PROC_IN).
Order according to the judgement to current device, state of arts, can be issued to corresponding equipment and go to perform by the formula order in executive buffer (Processing_Data) after condition meets.The execution of the formula order in executive buffer (Processing_Data) is automatically performed according to condition judgment by system completely, and the Rule of judgment of each formula order is different according to different types and different work station points.Comprise whether the shared device that formula order relates to idle, whether aiming station point ready for the judgement of the formula order executive condition of certain work station point and equipment in aiming station point flow process whether ready etc.Each formula order to represent attribute item of aiming station point with one, must comprise the matching judgment to this when order performs, accurate with what guarantee to feed intake.The mode of free competition that what the execution of the formula order in executive buffer (Processing_Data) adopted is.After formula order is finished completely, this formula order can be deleted automatically from executive buffer (Processing_Data).The work of this part is realized by execution module (RCP_PROC).
Multistation of the present invention competes the control method that feeds intake and control system makes multiple station can share a set of feeding system, accurately feeding intake of each station can be realized, operating influence each other can be dropped to again minimum, quick response can also be realized simultaneously, made full use of device resource and reduced system latency time.
Claims (10)
1. multistation competes the control method fed intake, and it is characterized in that, comprising:
Work station point receives the formula that feeds intake, and produces the formula order comprising work station point attribute and feed intake formula, and formula order is sent to typing buffer zone and sends via data-interface;
Receive formula order, the sequencing arrangement formula according to receiving is ordered and puts into pending buffer district, by the data dump of data-interface after the order of reception formula;
The running parameter of monitoring feeding system, when running parameter meets the executive condition of the some formula orders in pending buffer district, to move on to this formula order from pending buffer district executive buffer and to delete from pending buffer district;
The work station point of coupling is searched according to the work station point attribute in described formula order, monitor the equipment state of this work station point, the formula order in executive buffer is performed when equipment state meets the demands, wherein before performing formula order, the work station point attribute in formula order is examined, delete from executive buffer after formula order is finished.
2. multistation as claimed in claim 1 competes the control method fed intake, and it is characterized in that, to formula order application priority rule in pending buffer district.
3. multistation as claimed in claim 1 competes the control method fed intake, and it is characterized in that, each work station point can check the formula order in executive buffer, and can delete the formula order with this work station point attribute from executive buffer.
4. multistation as claimed in claim 1 competes the control method fed intake, and it is characterized in that, described equipment state comprises equipment idle condition and device ready state.
5. multistation as claimed in claim 1 competes the control method fed intake, and it is characterized in that, the formula order application principle of free competition of described executive buffer.
6. multistation competes the control system fed intake, and it is characterized in that, comprising:
Several work station point, described work station point receives the formula that feeds intake, and produce the formula order comprising work station point attribute and feed intake formula, work station point comprises typing buffer zone, and formula order is sent to typing buffer zone and sends via data-interface;
Pending buffer module, be connected to work station point, pending buffer module comprises pending buffer district, pending buffer module is connected with the typing buffer zone of work station point by data-interface, pending buffer module receives formula order, sequencing arrangement formula according to receiving is ordered and is kept in pending buffer district, by the data dump of data-interface after the order of reception formula;
Perform buffer module, be connected to pending buffer module and work station point, perform buffer module and comprise executive buffer, when the running parameter monitoring feeding system meets the executive condition of the some formula orders in pending buffer district, perform buffer module and this formula order to be moved on to from pending buffer district executive buffer and from pending buffer district, to delete this formula order;
Execution module, be connected to execution buffer module, execution module searches the work station point of coupling according to the work station point attribute in described formula order, monitor the equipment state of this work station point, the formula order in executive buffer is performed when equipment state meets the demands, wherein before performing formula order, the work station point attribute in formula order is examined, after formula order is finished, from executive buffer, delete this formula order.
7. multistation as claimed in claim 6 competes the control system fed intake, and it is characterized in that, pending buffer module applies priority rule to formula order in pending buffer district.
8. multistation as claimed in claim 6 competes the control system fed intake, and it is characterized in that, each work station point can check the formula order in executive buffer, and can delete the formula order with this work station point attribute from executive buffer.
9. multistation as claimed in claim 6 competes the control system fed intake, and it is characterized in that, described equipment state comprises equipment idle condition and device ready state.
10. multistation as claimed in claim 6 competes the control system fed intake, and it is characterized in that, execution module is to the formula order application principle of free competition of executive buffer.
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