CN105335813A - Material kitting acquisition method and system - Google Patents
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Abstract
The invention provides a material kitting acquisition method and system. The method comprises: decomposing self-made components forming products and purchased parts forming the self-made components according to a product structure list, and obtaining the products, the self-made components and composition relationships between the self-made components and the purchased parts; according to the obtained composition relationships, a stock quantity of the purchased parts and a planned arrival quantity of the purchased parts, performing constraint on a total quantity of the self-made components of all types and a total quantity of the purchased parts of all types with a linear planning method to construct a product planning model; and obtaining a kitting quantity of the purchased parts required for completing a planned production quantity of the self-made components according to the constructed product planning model, and obtaining a kitting quantity of the self-made components required for completing a planned production quantity of the products. Through the material kitting acquisition method and system, a material kitting can be automatically acquired, the accuracy and the speed are high, and personnel can be freed from complicated material kitting calculation.
Description
Technical field
The present invention relates to manufacturing technology field, more specifically, relate to a kind of material and overlap acquisition methods and system together.
Background technology
Manufacturing enterprise needs to carry out material preparation according to Bill of Material (BOM) to material in the Operational preparation stage usually, for use in each operation of producing.The complicated structure of Bill of Material (BOM), it generally includes material kind, the quantity of material kind, finished product (outsourcing piece), semi-manufacture, and the multiple etc. of composition semi-manufacture (i.e. self-made components).
With common electronic product, if computer is example, the assembly forming computer hardware usually has even thousands of of hundreds of, and because composition finished product component (subordinate's product of finished product) also may share by multiple finished product (such as, mechanical keyboard as component may be used in the computing machine of multiple model, now, this mechanical keyboard is then common elements), therefore the calculating of common elements is more complicated than the calculating of special purpose parts many.Existing computing method of overlapping together material are according to existing stock, procurement plan, Bill of Material (BOM), utilize EXCEL, roll up and count material needed for layer (comprising the calculating of common elements and special purpose parts) in based on substrate material.
By above-mentioned known, it is not only complicated, consuming time that existing material overlaps computing method together, and comparatively difficult to the calculating of common elements, more cannot calculate the optimum neat sets of plan of material; Further, because the material of manufacturing enterprise changes frequent, utilize existing material to overlap computing method together and easily double counting is carried out to material, cause material to overlap computational accuracy together not high.
Summary of the invention
In view of the above problems, the object of this invention is to provide a kind of material and overlap acquisition methods and system together, overlap acquisition methods complicated and time consumption together and the low problem of accuracy to solve existing material.
According to an aspect of the present invention, provide a kind of material to overlap acquisition methods together, comprising:
Decompose according to the outsourcing piece of product structure inventory to the self-made components of composition product and composition self-made components, obtain product and self-made components and the component relationship between self-made components and outsourcing piece; Wherein, component relationship comprises: product is made up of the self-made components of M type, the self-made components of a type is made up of, forms the number of all types of self-made components of product the outsourcing piece of N number of type, and the number of each outsourcing piece of the self-made components of a composition type, described M, N are the integer being more than or equal to 1;
According to obtained component relationship, and the plan arrival quantity of the stockpile number of outsourcing piece and outsourcing piece, retrain to build product planning model to the total quantity of all types of self-made components, the total quantity of all types of outsourcing pieces by linear programming technique;
Obtain the neat cover quantity of the outsourcing piece needed for planned production quantity of self-made components according to constructed product planning model, and obtain the neat cover quantity of the self-made components needed for planned production quantity of product.
On the other hand, the invention provides a kind of material and overlap acquisition system together, comprising:
Component relationship acquiring unit, for according to the self-made components of product structure inventory to composition product, and the outsourcing piece of composition self-made components decomposes, and obtains product and self-made components, and the component relationship between self-made components and outsourcing piece; Wherein, component relationship is: a product is made up of the self-made components of M type, the self-made components of a type is made up of, forms the quantity of each self-made components of product the outsourcing piece of N number of type, and the quantity of each outsourcing piece of the self-made components of a composition type, described M, N are the integer being more than or equal to 1;
Model construction unit, for the component relationship obtained according to component relationship acquiring unit, and the plan arrival quantity of the stockpile number of outsourcing piece and outsourcing piece, retrain to build product planning model to the total quantity of all types of self-made components, the total quantity of all types of outsourcing pieces by linear programming technique;
Neat cover number obtainment unit, obtain the neat cover quantity of the outsourcing piece needed for planned production quantity of self-made components for the product planning model constructed by model construction unit, and obtain the neat cover quantity of the self-made components needed for planned production quantity of product.
Utilize and above-mentionedly overlap acquisition methods and system together according to material of the present invention, material can be realized and overlap automatic acquisition together, thus the material obtaining friendship phase delivery rate the highest overlaps quantity together, and accuracy is high, speed fast, personnel can be overlapped calculating together from the material of complexity and free.
In order to realize above-mentioned and relevant object, will describe in detail and the feature particularly pointed out in the claims after one or more aspect of the present invention comprises.Explanation below and accompanying drawing describe some illustrative aspects of the present invention in detail.But what these aspects indicated is only some modes that can use in the various modes of principle of the present invention.In addition, the present invention is intended to comprise all these aspects and their equivalent.
Accompanying drawing explanation
By reference to the content below in conjunction with the description of the drawings and claims, and understand more comprehensively along with to of the present invention, other object of the present invention and result will be understood and easy to understand more.In the accompanying drawings:
Fig. 1 is the schematic flow sheet overlapping acquisition methods according to the material of the embodiment of the present invention together;
Fig. 2 is the logical organization block diagram overlapping acquisition system according to the material of the embodiment of the present invention together;
Relational structure schematic diagram between the parts of Fig. 3 needed for composition product H.
Label identical in all of the figs indicates similar or corresponding feature or function.
Embodiment
Below with reference to accompanying drawing, specific embodiments of the invention are described in detail.
Overlap method together for aforementioned existing material and have that the calculation of complex of overlapping together material is consuming time, computational accuracy is not high and inefficient problem, the present invention decomposes the self-made components of composition product and outsourcing piece according to product structure inventory, to obtain product, component relationship between self-made components and outsourcing piece, then utilize this component relationship to build model, and utilize the model built to obtain the neat cover quantity of outsourcing piece and self-made components.Thus personnel can be overlapped calculating together from the material of complexity and free, and the calculating accuracy of overlapping together material is high, speed is fast.
In order to illustrate that material provided by the invention overlaps acquisition methods together, Fig. 1 shows the flow process of overlapping acquisition methods according to the material of the embodiment of the present invention together.
As shown in Figure 1, material provided by the invention overlaps acquisition methods together and comprises:
S110: decompose according to the outsourcing piece of product structure inventory to the self-made components of composition product and composition self-made components, obtain product and self-made components and the component relationship between self-made components and outsourcing piece; Wherein, this component relationship comprises: a product is made up of the self-made components of M type, the self-made components of a type is made up of, forms the number of all types of self-made components of product the outsourcing piece of N number of type, and the number of each outsourcing piece of the self-made components of a composition type, M, N are the integer being more than or equal to 1.
Such as, for the main frame in a desk-top computer, a main frame is made up of a cabinet, power supply, an integrated mainboard, and an integrated mainboard is made up of a mainboard, CPU, cpu fan, 4 root memory bars, video card, network interface card, a hard disk and a sound card again; Main frame so is herein product, and cabinet, power supply, integrated mainboard and screw are the self-made components of this product of composition, and mainboard, CPU, cpu fan, memory bar, video card, network interface card, hard disk and sound card are outsourcing piece.Wherein, above-mentioned cabinet, power supply, integrated mainboard are the type of self-made components of the main frame of composition computing machine, the number of one in cabinet, a power supply and an integrated mainboard i.e. self-made components of each type of the main frame of representative composition computing machine.That is, above-mentioned component relationship can be understood as, and a product which self-made components is made up of, and the quantity of each self-made components of composition needed for product is how many, a self-made components which outsourcing piece is made up of again, and the quantity of each outsourcing piece of composition needed for a self-made components is how many.
S120: according to obtained component relationship, and the plan arrival quantity of the stockpile number of outsourcing piece and outsourcing piece, retrain to build product planning model to the total quantity of all types of self-made components, the total quantity of all types of outsourcing pieces by linear programming technique.
In the process building product planning model, need to retrain the total quantity of each self-made components needed for composition product.That is, in constructed product planning model, total quantity and the ratio of the number of the self-made components of composition needed for this product of the self-made components of the M type of composition needed for product equal the planned production quantity of product, and wherein, M is 1,2,3 ... m.
In addition, in the process building product planning model, the total quantity of the outsourcing piece to certain type needed for the self-made components of each type of composition is needed to retrain.Namely, in constructed product planning model, the quantity of the self-made components of the type that the outsourcing piece that the total quantity forming the outsourcing piece of the N type needed for self-made components of a type and the ratio of the number of the outsourcing piece of the N type needed for self-made components forming the type are more than or equal to N type forms; Wherein, the value of N is 1,2,3 ... n.
Such as, a self-made components A is made up of an an outsourcing piece B and 2 outsourcing piece C, suppose that the quantity of self-made components is A1, the quantity of the outsourcing piece B of the first type is B1, the quantity of the outsourcing piece C of the second type is C1, so the quantity B1 of outsourcing piece B must be more than or equal to A1 (namely adopting linear programming technique to obtain B1>=A1), and the quantity C1/2 of outsourcing piece C must be more than or equal to A1 (adopting linear programming technique to obtain C1>=2A1).
In addition, in the process building product planning model, also need to retrain the total quantity of the outsourcing piece as common elements.Namely, in constructed product planning model, when a certain outsourcing piece (i.e. the outsourcing piece of N type) needs to use as common elements, so the ratio of the number of the outsourcing piece of the N type needed for self-made components of the total quantity of the outsourcing piece of N type and the outsourcing piece of shared N type is more than or equal to the planned production quantity of the self-made components of the outsourcing piece of shared N type respectively, described N is 1,2,3 ... n.
Such as, the planned production quantity of self-made components A is A1, and the planned production quantity of self-made components E is E1, the quantity of outsourcing piece B is B1, and producing self-made components A needs an outsourcing piece B, and producing self-made components E also needs an outsourcing piece B, that is, self-made components A and self-made components E needs to use outsourcing piece B.So, the quantity B1 of outsourcing piece B needs to be greater than A1 and E1 (i.e. B1>=A1 respectively, B1>=E1), because B1 needs to supply A1 and E1, so mathematic(al) representation is adopted to be B1>=A1+E1.
Further, in the process of constructed product planning model, also need to retrain according to the stockpile number of outsourcing piece and the total quantity of plan arrival quantity to outsourcing piece of outsourcing piece.Wherein, the stockpile number of the outsourcing piece of N type and the outsourcing piece of N type plan arrival quantity and the total quantity of outsourcing piece that is more than or equal to N type.
Such as, the total quantity of outsourcing piece B is B1, and the stockpile number of outsourcing piece B is B2, and the plan arrival quantity of outsourcing piece B is B3, so B2+B3 with must be more than or equal to B1 (i.e. B2+B3>=B1).
S130: the neat cover quantity having obtained the outsourcing piece needed for planned production quantity of self-made components according to constructed product planning model, and the neat cover quantity of the self-made components needed for planned production quantity having obtained product.
Further, after above-mentioned steps S110, can also according to the priority of the production schedule of product, the component relationship that obtains, and the plan arrival quantity of the stockpile number of outsourcing piece and outsourcing piece, retrain to build product planning model to the total quantity of all types of self-made components, the total quantity of all types of outsourcing pieces by linear programming technique; And the product planning model constructed by employing has obtained the neat cover quantity of the outsourcing piece needed for planned production quantity of self-made components, and obtain the neat cover quantity of the self-made components needed for planned production quantity of product; Wherein, take current date as standard, with current date apart from the priority of the near production schedule higher than the priority of the production schedule with current date distance.
Corresponding with said method, the invention provides a kind of material and overlap acquisition system together.Fig. 2 shows and overlaps acquisition system logic structure together according to the material of the embodiment of the present invention.
As shown in Figure 2, material provided by the invention overlaps acquisition system 200 together and comprises component relationship acquiring unit 210, model construction unit 220 and neat cover number obtainment unit 230.
Wherein, component relationship acquiring unit 210, for decomposing according to the outsourcing piece of product structure inventory to the self-made components of composition product and composition self-made components, obtains product and described self-made components and the component relationship between self-made components and outsourcing piece; Wherein, component relationship is: a product is made up of the self-made components of M type, the self-made components of a type is made up of, forms the quantity of each self-made components of this part product the outsourcing piece of N number of type, and the quantity of each outsourcing piece of the self-made components of a composition type, M, N are the integer being more than or equal to 1.
The component relationship of model construction unit 220 for obtaining according to component relationship acquiring unit 210, and the plan arrival quantity of the stockpile number of outsourcing piece and outsourcing piece, retrain to build product planning model to the total quantity of all types of self-made components, the total quantity of all types of outsourcing pieces by linear programming technique;
Neat cover number obtainment unit 230 has obtained the neat cover quantity of the outsourcing piece needed for the production schedule quantity of self-made components for the product planning model constructed by model construction unit, and has obtained the neat cover quantity of the self-made components needed for production schedule quantity of product.
Wherein, model construction unit comprises the first constraint element 221, second constraint element 222 and the 3rd constraint element 223 further.
Wherein, the first constraint element 221 retrains for the total quantity of the outsourcing piece to N type; Wherein, total quantity and the ratio of the number of the outsourcing piece of the N type needed for self-made components of composition the type of the outsourcing piece of the N type needed for self-made components of a composition type are more than or equal to the planned production quantity of self-made components, and N is 1,2,3 ... n.
Second constraint element 222 retrains for the total quantity of the outsourcing piece to the N type shared; Wherein, when the outsourcing piece of N type is common elements, the ratio of the number of the total quantity of the outsourcing piece of N type and the outsourcing piece needed for self-made components of shared outsourcing piece is more than or equal to the planned production quantity of the self-made components of shared outsourcing piece respectively, and N is 1,2,3 ... n.
3rd constraint element 223 retrains for the total quantity of the self-made components to M type; Wherein, total quantity and the ratio of the number of the self-made components of composition needed for this product of the self-made components of the M type of composition needed for product equal the planned production quantity of product, and M is 1,2,3 ... m.
Further, the present invention also comprises priority determining unit (not shown), for obtain product and self-made components and the component relationship between self-made components and outsourcing piece at component relationship acquiring unit 210 after, according to the priority of the production schedule determination production of product; Wherein, take current date as standard, with current date apart from the priority of the near production schedule higher than the priority of the production schedule with current date distance; And, according to the stockpile number of the priority of the determined production of priority determining unit, the component relationship obtained and outsourcing piece and the plan arrival quantity of outsourcing piece, retrain to build product planning model to the total quantity of all types of self-made components, the total quantity of all types of outsourcing pieces by linear programming technique, and the product planning model constructed by adopting, obtain the neat cover quantity of the outsourcing piece needed for production schedule quantity of self-made components, and obtain the neat cover quantity of the self-made components needed for production schedule quantity of product.
In addition, in order to the material provided by the present invention of explanation specifically overlaps acquisition methods and system together, Fig. 3 shows the relational structure between the parts needed for composition product H.
As shown in Figure 3, product H is made up of an a self-made components A and self-made components E, and a self-made components A is made up of 1 outsourcing piece B and 2 outsourcing piece C, and a self-made components E is made up of an an outsourcing piece B and 2 outsourcing piece F.Product H is H1 in the planned production quantity on August 1, and product H is H2 in the planned production quantity on August 2, according to the priority of the production schedule of product, and the outsourcing piece of first counting yield H needed for the planned production quantity H1 on August 1 and the neat cover quantity of self-made components.
Wherein, self-made components A and E is respectively A1 and E1 in the planned production quantity on August 1, and the total quantity of the outsourcing piece B needed for August 1 is B1, and outsourcing piece B is respectively B2 and B3 at the stockpile number on August 1 and the plan arrival quantity on July 30; The total quantity of the outsourcing piece C needed for August 1 is C1, and outsourcing piece C is respectively C2 and C3 at the stockpile number on August 1 and the plan arrival quantity on July 30; The total quantity of the outsourcing piece F needed for August 1 is F1, and outsourcing piece F is respectively F2 and F3 at the stockpile number on August 1 and the plan arrival quantity on July 30.
Further, by total quantity A1, the E1 of linear programming technique to self-made components A, E, and the total quantity B1 of outsourcing piece B, C and F, C1 and F1 carry out the plan model that retrains to build product H.Structure according to Fig. 2, constructed product planning model is as follows:
H1＝A1；H1＝E1；B1>＝A1+E1；C1>＝2A1；F1>＝2E1；B2+B3>＝B1；C2+C3>＝C1；F2+F3>＝F1。
Because H1, B2, B3, C2, C3, F2 and F3 are known number, according to the said goods plan model, the neat cover quantity of A1, B1, C1, E1 and F1 can be obtained.Suppose H1<=1000, B2=480, B3=1500, C2=2000, C3=500, F2=900 and F3=1500, the neat cover quantity of so obtained A1, B1, C1, E1 and F1 is respectively 990,1980,1980,990 and 1980, actual production quantity 990.
In addition, the present invention also can be further used as the authority that warehouse overlaps batching together, thus replaces the mode of artificial neck material.Therefore, can not only realize by the present invention the automatic acquisition that material overlaps together, and accuracy is high, speed fast, personnel can be overlapped calculating together from the material of complexity and free.
Describe in an illustrative manner above with reference to accompanying drawing and overlap acquisition methods and system together according to material of the present invention.But, it will be appreciated by those skilled in the art that the material proposed for the invention described above overlaps acquisition methods and system together, various improvement can also be made on the basis not departing from content of the present invention.Therefore, protection scope of the present invention should be determined by the content of appending claims.
Claims (10)
1. material overlaps an acquisition methods together, comprising:
According to product structure inventory, the self-made components of composition product and the outsourcing piece that forms described self-made components are decomposed, obtain described product and described self-made components and the component relationship between described self-made components and described outsourcing piece; Wherein, described component relationship comprises: product is made up of the self-made components of M type, the self-made components of a type is made up of, forms the number of all types of self-made components of described product the outsourcing piece of N number of type, and the number of each outsourcing piece of the self-made components of a composition type, described M, N are the integer being more than or equal to 1;
According to obtained component relationship, and the plan arrival quantity of the stockpile number of outsourcing piece and outsourcing piece, retrain to build product planning model to the total quantity of all types of self-made components, the total quantity of all types of outsourcing pieces by linear programming technique;
Obtain the neat cover quantity of the outsourcing piece needed for planned production quantity of self-made components according to constructed product planning model, and obtain the neat cover quantity of the self-made components needed for planned production quantity of product.
2. material as claimed in claim 1 overlaps acquisition methods together, wherein, in constructed product planning model,
Total quantity and the ratio of the number of the described outsourcing piece needed for self-made components of composition the type of the outsourcing piece of the N type needed for self-made components of a composition type are more than or equal to the planned production quantity of the self-made components of the type, and described N is 1,2,3 ... n.
3. material as claimed in claim 1 overlaps acquisition methods together, wherein, in constructed product planning model,
When the outsourcing piece of N type is common elements, total quantity and the ratio of the number of the outsourcing piece of the N type needed for self-made components of shared described outsourcing piece of the outsourcing piece of described N type are more than or equal to the planned production quantity of the self-made components of shared described outsourcing piece respectively, described N is 1,2,3 ... n.
4. material as claimed in claim 1 overlaps acquisition methods together, wherein, in constructed product planning model,
Total quantity and the ratio of the number of the described self-made components of composition needed for this product of the self-made components of the M type of composition needed for product equal the planned production quantity of product, and described M is 1,2,3 ... m.
5. material as claimed in claim 1 overlaps acquisition methods together, wherein, after the described product of acquisition and described self-made components and the component relationship between described self-made components and described outsourcing piece, also comprises:
According to the priority of the production schedule of product, the component relationship that obtains, and the plan arrival quantity of the stockpile number of outsourcing piece and outsourcing piece, retrain to build product planning model to the total quantity of all types of self-made components, the total quantity of all types of outsourcing pieces by linear programming technique; And,
Product planning model constructed by employing has obtained the neat cover quantity of the outsourcing piece needed for planned production quantity of described self-made components, and has obtained the neat cover quantity of the self-made components needed for planned production quantity of described product; Wherein, take current date as standard, with current date apart from the priority of the near production schedule higher than the priority of the production schedule with current date distance.
6. material overlaps an acquisition system together, comprising:
Component relationship acquiring unit, for decomposing the self-made components of composition product and the outsourcing piece that forms described self-made components according to product structure inventory, obtain described product and described self-made components and the component relationship between described self-made components and described outsourcing piece; Wherein, described component relationship is: a product is made up of the self-made components of M type, the self-made components of a type is made up of, forms the quantity of each self-made components of described product the outsourcing piece of N number of type, and the quantity of each outsourcing piece of the self-made components of a composition type, described M, N are the integer being more than or equal to 1;
Model construction unit, for the component relationship obtained according to described component relationship acquiring unit, and the plan arrival quantity of the stockpile number of outsourcing piece and outsourcing piece, retrain to build product planning model to the total quantity of all types of self-made components, the total quantity of all types of outsourcing pieces by linear programming technique;
Neat cover number obtainment unit, obtain the neat cover quantity of the outsourcing piece needed for planned production quantity of self-made components for the product planning model constructed by described model construction unit, and obtain the neat cover quantity of the self-made components needed for planned production quantity of product.
7. material as claimed in claim 6 overlaps acquisition system together, and wherein, described model construction unit comprises further:
First constraint element, the total quantity for the outsourcing piece to N type retrains; Wherein, total quantity and the ratio of the number of the outsourcing piece of the N type needed for self-made components of composition the type of the outsourcing piece of the N type needed for self-made components of a composition type are more than or equal to the planned production quantity of self-made components, and described N is 1,2,3 ... n.
8. material as claimed in claim 6 overlaps acquisition system together, and wherein, described model construction unit comprises further:
Second constraint element, the total quantity for the outsourcing piece to the N type shared retrains; Wherein, when the outsourcing piece of N type is common elements, total quantity and the ratio of the number of the described outsourcing piece needed for self-made components of shared described outsourcing piece of the outsourcing piece of described N type are more than or equal to the planned production quantity of the self-made components of shared described outsourcing piece respectively, described N is 1,2,3 ... n.
9. material as claimed in claim 6 overlaps acquisition system together, and wherein, described model construction unit comprises further:
3rd constraint element, the total quantity for the self-made components to M type retrains; Wherein, total quantity and the ratio of the number of the described self-made components of composition needed for this product of the self-made components of the M type of composition needed for product equal the planned production quantity of product, and described M is 1,2,3 ... m.
10. material as claimed in claim 6 overlaps acquisition system together, comprise priority determining unit further, for obtain described product and described self-made components and the component relationship between described self-made components and described outsourcing piece at described component relationship acquiring unit after, according to the priority of the production schedule determination production of product; Wherein, take current date as standard, with current date apart from the priority of the near production schedule higher than the priority of the production schedule with current date distance; And,
According to the stockpile number of the priority of the determined production of described priority determining unit, the component relationship obtained and outsourcing piece and the plan arrival quantity of outsourcing piece, retrain to build product planning model to the total quantity of all types of self-made components, the total quantity of all types of outsourcing pieces by linear programming technique, and the product planning model constructed by adopting has obtained the neat cover quantity of the outsourcing piece of the production schedule quantity of described self-made components, and obtain the neat cover quantity of self-made components of planned production quantity of described product.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108428076A (en) * | 2017-08-12 | 2018-08-21 | 中民筑友科技投资有限公司 | A kind of material based on BIM covers method and system together |
| CN110825043A (en) * | 2019-10-31 | 2020-02-21 | 成都四威高科技产业园有限公司 | Process control method suitable for intelligent logistics equipment mixing production |
| CN111598386A (en) * | 2020-04-08 | 2020-08-28 | 吉利汽车研究院（宁波）有限公司 | Production material control method and device |
| CN113469616A (en) * | 2021-06-18 | 2021-10-01 | 筑友智造建设科技集团有限公司 | PC component material alignment management method, device, equipment and storage medium |
| CN115587765A (en) * | 2022-09-29 | 2023-01-10 | 北京沛元科技有限公司 | Material aligning method with floating aligning number |
| CN115587765B (en) * | 2022-09-29 | 2023-05-02 | 北京沛元科技有限公司 | Material nesting method with floating nesting number |
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