CN107194825A - A kind of method of real-time calculation process average tempo - Google Patents
A kind of method of real-time calculation process average tempo Download PDFInfo
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- CN107194825A CN107194825A CN201710352393.6A CN201710352393A CN107194825A CN 107194825 A CN107194825 A CN 107194825A CN 201710352393 A CN201710352393 A CN 201710352393A CN 107194825 A CN107194825 A CN 107194825A
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- 238000000034 method Methods 0.000 title claims abstract description 57
- 238000004364 calculation method Methods 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 25
- 230000001960 triggered effect Effects 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 abstract description 8
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 238000011143 downstream manufacturing Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013499 data model Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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- G06Q50/04—Manufacturing
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- Y—GENERAL 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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
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Abstract
The present invention relates to a kind of method of real-time calculation process average tempo, this method utilizes the output of the real-time collecting devices of PLC, can be accurate, the output information of quick obtaining equipment；And the equipment for producing same model product to every procedure has carried out ensemble average calculating, can be used for the real-time calculating of production line upstream and downstream process line balancing, it is to avoid the production line that production line fluctuation is caused is abnormal.
Description
Technical field
The present invention relates to Pipeline control technical field, more particularly to a kind of method of real-time calculation process average tempo.
Background technology
It is increasing to be carried out using automatic assembly line in discrete manufacturing business with industrial 4.0 propulsion at home
Line is produced.Different processes is attached by pipeline, it is necessary to consider production line in production implementation procedure
Balance, the processing beat of upstream and downstream equipment room needs strict matching, and upstream beat can cause downstream can not consume the production of upstream soon
Can, cause product overloading, upstream beat is small, upstream device utilization rate will be caused to decline.Therefore, under the scene that line is produced
The average tempo of monitoring process in real time is required to, production line can be avoided to fluctuate by the real-time beat analysis of upstream and downstream process
The production line caused is abnormal.
The content of the invention
The present invention is to overcome above-mentioned weak point, it is therefore intended that provide a kind of side of real-time calculation process average tempo
Method, the present invention can monitor the average tempo of process in real time under the scene that line is produced, and production line fluctuation can be avoided to cause
Production line it is abnormal.
The present invention is to reach above-mentioned purpose by the following technical programs：A kind of method of real-time calculation process average tempo,
Including：
(1) arranging module sends the processing tasks of product to process equipment, and produces production plan；Scheduler module according to
Production plan starts processing flow chart；FIFO of the caching number for m is constructed to row for every equipment, and FIFO is to being classified as elder generation
Enter first dequeue；
(2) acquisition module periodically reads the Product processing number of equipment on the PLC of slave unit；
(3) PLC per secondary device collects the output of a product, is pressed into equipment corresponding FIFO pairs the output time
In row, and record the output time；
(4) time of current queue head record output product is set as tiIf current queue tail records the time of output product
For tj；
(5) the average tempo calculation formula of current process single device is as follows：
(6) setting current process has n platform equipment, and the average tempo calculation formula of current process is as follows：
Wherein, tmaxRepresent the record of time maximum in the corresponding fifo queue of every equipment of current process, tminRepresent to work as
Time minimum record in the corresponding fifo queue of preceding every equipment of process；N × m represents process output in current watch window
Sum.
Preferably, production of the described acquisition module by reading equipment on the acquisition protocols periodically PLC of slave unit
Product process number, and collection period duration is set smaller than the beat duration of equipment, are preferably arranged to be less than 1 second.
Preferably, described watch window can be carried out by the length for setting beat to calculate queue in element memory model
Adjustment.
If preferably, described beat computing unit monitors that new product model is flowed into, the new production of calculating can be triggered automatically
The corresponding average tempo of product model is calculated.
The beneficial effects of the present invention are：(1), can be accurate using the output of the real-time collecting devices of PLC, quick obtaining is set
Standby output information；(2) ensemble average calculating has been carried out to the equipment that every procedure produces same model product, has can be used for production
The real-time calculating of line upstream and downstream process line balancing, it is to avoid the production line that production line fluctuation is caused is abnormal.
Brief description of the drawings
Fig. 1 is the system model schematic flow sheet of the embodiment of the present invention；
Fig. 2 is the method flow schematic diagram of the present invention；
Fig. 3 is the data model schematic diagram of the corresponding beat computing unit of the inventive method.
Embodiment
With reference to specific embodiment, the present invention is described further, but protection scope of the present invention is not limited in
This：
Embodiment：It is made up of as shown in figure 1, the present invention implements system used 4 functional modules, including arranging module,
Scheduler module, acquisition module, beat computing unit；Arranging module is used to the processing tasks of product decomposing process equipment.Production
The production plan of raw process equipment.Scheduler module is according to the production plan of scheduling, the startup of triggering processing operation.Acquisition module leads to
Cross on the PLC of acquisition protocols slave unit and read the Product processing number of equipment.Beat computing unit is used to complete certain product in this work
The real-time calculating of the average tempo of sequence.The interactive relation of system data is as shown in Figure 1.
A kind of method of real-time calculation process average tempo is as shown in Fig. 2 step is as follows：
(1) arranging module sends the processing tasks of product to process equipment, and produces production plan；Scheduler module according to
Production plan starts processing flow chart；FIFO of the caching number for m is constructed to row for every equipment, and FIFO is to being classified as elder generation
Enter first dequeue；
In the present embodiment, scheduler module starts after the corresponding operation of process equipment, and beat computing unit will be recorded often
The corresponding process equipment of individual product, as shown in figure 3, the corresponding process equipment of A products is equipment #1, equipment #2, equipment #5.
(2) acquisition module periodically reads the Product processing number of equipment on the PLC of slave unit；Collection period duration is set
For the beat duration less than equipment, it is preferably arranged to be less than 1 second.
(3) PLC per secondary device collects the output of a product, is pressed into equipment corresponding FIFO pairs the output time
In row, and record the output time.
(4) time of current queue head record output product is set as tiIf current queue tail records the time of output product
For tj。
(5) the average tempo calculation formula of current process single device is as follows：
(6) setting current process has n platform equipment, and the average tempo calculation formula of current process is as follows：
Wherein, tmaxRepresent the record of time maximum in the corresponding fifo queue of every equipment of current process, tminRepresent to work as
Time minimum record in the corresponding fifo queue of preceding every equipment of process；N × m represents process output in current watch window
Sum.System watch window can be adjusted by setting beat to calculate the length of queue in element memory model.Queue is smaller, right
The change of average tempo is more sensitive.
Beat computing unit once has a kind of product type to flow into, and triggers a calculation process, current production is calculated in real time
The average tempo of product.
The technical principle for being the specific embodiment of the present invention and being used above, if conception under this invention institute
The change of work, during the spirit that function produced by it is still covered without departing from specification and accompanying drawing, should belong to the present invention's
Protection domain.
Claims (4)
1. a kind of method of real-time calculation process average tempo, it is characterised in that including：
(1) arranging module sends the processing tasks of product to process equipment, and produces production plan；Scheduler module is according to operation
Plan starts processing flow chart；FIFO of the caching number for m is constructed to row for every equipment, and FIFO first enters elder generation to being classified as
Dequeue；
(2) acquisition module periodically reads the Product processing number of equipment on the PLC of slave unit；
(3) PLC per secondary device collects the output of a product, and are pressed into the corresponding FIFO of equipment to row the output time
In, and record the output time；
(4) time of current queue head record output product is set as tiIf the time of current queue tail record output product is tj；
(5) the average tempo calculation formula of current process single device is as follows：
<mrow>
<msub>
<mi>T</mi>
<mrow>
<mi>d</mi>
<mi>e</mi>
<mi>v</mi>
</mrow>
</msub>
<mo>=</mo>
<mfrac>
<mrow>
<msub>
<mi>t</mi>
<mi>j</mi>
</msub>
<mo>-</mo>
<msub>
<mi>t</mi>
<mi>i</mi>
</msub>
</mrow>
<mi>m</mi>
</mfrac>
</mrow>
(6) setting current process has n platform equipment, and the average tempo calculation formula of current process is as follows：
<mrow>
<msub>
<mi>T</mi>
<mrow>
<mi>o</mi>
<mi>p</mi>
</mrow>
</msub>
<mo>=</mo>
<mfrac>
<mrow>
<msub>
<mi>t</mi>
<mi>max</mi>
</msub>
<mo>-</mo>
<msub>
<mi>t</mi>
<mi>min</mi>
</msub>
</mrow>
<mrow>
<mi>n</mi>
<mo>&times;</mo>
<mi>m</mi>
</mrow>
</mfrac>
</mrow>
Wherein, tmaxRepresent the record of time maximum in the corresponding fifo queue of every equipment of current process, tminRepresent current work
The record of time minimum in the corresponding fifo queue of every equipment of sequence；N × m represents the total of process output in current watch window
Number.
2. a kind of method of real-time calculation process average tempo according to claim 1, it is characterised in that：Described collection
Module is by reading the Product processing number of equipment on the acquisition protocols periodically PLC of slave unit, collection period duration is set to
Less than the beat duration of equipment, it is preferably arranged to be less than 1 second.
3. a kind of method of real-time calculation process average tempo according to claim 1, it is characterised in that：Described observation
Window can be adjusted by the length for setting beat to calculate queue in element memory model.
4. a kind of method of real-time calculation process average tempo according to claim 3, it is characterised in that：Described beat
If computing unit monitors that new product model is flowed into, the corresponding average tempo of calculating new product model can be triggered automatically and is calculated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710352393.6A CN107194825A (en) | 2017-05-18 | 2017-05-18 | A kind of method of real-time calculation process average tempo |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710352393.6A CN107194825A (en) | 2017-05-18 | 2017-05-18 | A kind of method of real-time calculation process average tempo |
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| CN107194825A true CN107194825A (en) | 2017-09-22 |
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| CN201710352393.6A Withdrawn CN107194825A (en) | 2017-05-18 | 2017-05-18 | A kind of method of real-time calculation process average tempo |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107909216A (en) * | 2017-11-30 | 2018-04-13 | 成都飞机工业（集团）有限责任公司 | A kind of part actual production period forecasting method |
| CN109556898A (en) * | 2018-11-22 | 2019-04-02 | 京东方科技集团股份有限公司 | A kind of method and storage medium of the performance mobility of determining equipment |
| CN111008905A (en) * | 2019-12-25 | 2020-04-14 | 浙江力太工业互联网有限公司 | Method and device for high-precision measurement of beat of production equipment |
| CN111178660A (en) * | 2019-10-31 | 2020-05-19 | 青岛海尔工业智能研究院有限公司 | Method and device for determining production beat in mixed product production line and electronic equipment |
| CN116341885A (en) * | 2023-05-31 | 2023-06-27 | 一汽东机工减振器有限公司 | Automatic production management and control system and method based on big data |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1003021A1 (en) * | 1981-09-23 | 1983-03-07 | Барнаульский шинный завод | Program control device |
| CN103049801A (en) * | 2012-12-20 | 2013-04-17 | 四川长虹电器股份有限公司 | Optimal design method for production line layout |
| CN205281230U (en) * | 2015-11-24 | 2016-06-01 | 联合汽车电子有限公司 | Beat automatic monitoring device |
-
2017
- 2017-05-18 CN CN201710352393.6A patent/CN107194825A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1003021A1 (en) * | 1981-09-23 | 1983-03-07 | Барнаульский шинный завод | Program control device |
| CN103049801A (en) * | 2012-12-20 | 2013-04-17 | 四川长虹电器股份有限公司 | Optimal design method for production line layout |
| CN205281230U (en) * | 2015-11-24 | 2016-06-01 | 联合汽车电子有限公司 | Beat automatic monitoring device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107909216A (en) * | 2017-11-30 | 2018-04-13 | 成都飞机工业（集团）有限责任公司 | A kind of part actual production period forecasting method |
| CN109556898A (en) * | 2018-11-22 | 2019-04-02 | 京东方科技集团股份有限公司 | A kind of method and storage medium of the performance mobility of determining equipment |
| CN111178660A (en) * | 2019-10-31 | 2020-05-19 | 青岛海尔工业智能研究院有限公司 | Method and device for determining production beat in mixed product production line and electronic equipment |
| CN111008905A (en) * | 2019-12-25 | 2020-04-14 | 浙江力太工业互联网有限公司 | Method and device for high-precision measurement of beat of production equipment |
| CN116341885A (en) * | 2023-05-31 | 2023-06-27 | 一汽东机工减振器有限公司 | Automatic production management and control system and method based on big data |
| CN116341885B (en) * | 2023-05-31 | 2023-07-25 | 一汽东机工减振器有限公司 | Automatic production management and control system and method based on big data |
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Application publication date: 20170922 |