CN101025799A - Production plan inventory management system and method - Google Patents
Production plan inventory management system and method Download PDFInfo
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- CN101025799A CN101025799A CNA2006100095238A CN200610009523A CN101025799A CN 101025799 A CN101025799 A CN 101025799A CN A2006100095238 A CNA2006100095238 A CN A2006100095238A CN 200610009523 A CN200610009523 A CN 200610009523A CN 101025799 A CN101025799 A CN 101025799A
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Abstract
The invention is a stock management system and method for production planning, and the system extends production planning items to the production and consumption of the managed parts, finished products and semi-finished products so as to implement the production planning at all levels of enterprise management to avoid disconnection between the production planning and the production and marketing. And the system comprises: a goods replenishment quantity calculating module to calculate the purchasing quantity of the current specific parts, finished products or semi-finished products; a production planning policy database to store various required data for calculating the goods replenishment quantity, including the current and long-time preset demand, preset consumption quantity and preset stock; a production planning policy data editing module for inputting or automatically obtain useful data to update the file contents in the production planning policy database; and an output means to output the current replenishment quantity of specific parts, finished products or semi-finished products for production, purchasing or management.
Description
Technical field
The present invention relates to a kind of production planning inventory management system and method, particularly according to the production planning method of production actual demand planning product inventory policy and manufacturing quantity, this inventory management system is a kind of inventory management system that utilizes the computing machine high-speed computational capability.
Background technology
The high-speed computational capability planning of appliance computer system and the activity in production of management company are the common application of industry already.In known production planning system, the high-speed computation ability of computing machine is to be used for managing a large amount of production with part and finished product, semi-manufacture.For example, a company that has 20 kinds of products if each product uses 1,000 kind of part, then has up to ten thousand kinds of parts and tens of kinds of finished products and half-finished storage and remains to be managed.The automated production planning system is at these parts, and finished product and half-finished storage are managed.
In known technology, the management of production is that the consumption with product is a foundation.In other words, known production planning inventory management system is record part, finished product and half-finished storage, and according to its consumption or scheduled consumption, and the planning turnout, its purpose is to make purchasing and producing of part or product, meets production or sells required.Avoid product apply not sell or parts library poke quantity not sufficient is produced requiredly to deal with, and also be unlikely and cause in a large number stock improperly, and cause cost waste.
Under this purpose, the production planning mode of known production planning system can be:
Answer replenishment quantity=demand consumption+safety stock-storage on hand-----(1)
Wherein, demand-expected amount that the demand consumption is meant current (for example month), the quantity, maintenance that comprises production usefulness with quantity, sell with quantity etc.; Safety stock then is that company wishes to reserve the amount with in response to interim demand on policy; Storage on hand then is meant at that time in storehouse quantity.
Though above-mentioned known technology can be planned production according to each part, finished product and half-finished predetermined demand, and is numerous and jumbled for product category, number of spare parts is easily in ten thousand manufacturer, and is then inapplicable.For example, for nearly all product, the branch in what is called " dull season ", " busy season " is arranged all.For specific products, may almost not have sales behavior dull season, in any case but in the busy season production of then will overworking, still difficult apply required.In this case, utilize this known production planning system management during dull season, and no problem, but near the busy season time, then need all to carry out complicated production planning operation at each part, semi-manufacture and finished product.Comprise purchase material, entrust to produce or produce voluntarily, assemble, operations such as packing, outbound, warehouse-in.Though the computing of production planning system itself is not a problem, carries out the unit of this production planning policy, then suffers a crushing defeat, and suffers untold misery.
In addition, the quantity that known production planning system is calculated only can be as the in fact reference of production management, and can't directly be used, even directly imports in the production management system, is carried out.
The production planning inventory management system that a kind of novelty therefore must be arranged at present can be according to correct production planning, and carries out part, finished product and half-finished production management.
Manufacturer simultaneously a kind of production planning inventory management system must be arranged also, so that can carry out production management smoothly according to correct stock control policy.
A kind of production planning inventory management system also must be arranged simultaneously, can be in the dull season and the busy season, all carry out proper production management.
A kind of production planning inventory management method also must be arranged simultaneously, and result of calculation that can output is directly used for the production planning inventory management system.
Summary of the invention
The object of the present invention is to provide a kind of production planning inventory management system, can be according to correct production planning, and stock's part, finished product and semi-manufacture are carried out production management.
The production planning inventory management system that provides also is provided purpose of the present invention, can make manufacturer carry out production management smoothly according to correct stock control data.
The production planning inventory management system that provides also is provided purpose of the present invention, the dull season that can corresponding product and the different demands in busy season, carries out proper production management.
Purpose of the present invention also is to provide a kind of production planning inventory management system employed management method, and the result of calculation of this method can directly be used for the automated management system of production planning.
For reaching above-mentioned purpose, the technological means that the present invention adopts comprises the hardware components and the software section of production planning system, and wherein, the hardware components of production planning system is as follows:
A kind of production planning inventory management system comprises:
One replenishment quantity computing module is in order to calculate the quantity that current specific component, finished product or semi-manufacture should be stocked up;
One production Program Policy database calculates the required various data informations of this replenishment quantity in order to store, and comprises current and long-term demand consumption, predetermined consumption and the predetermined quantity in stock of consuming of being scheduled to;
One production Program Policy data editor module is used for importing or obtaining useful data information automatically, to upgrade the archive content in this production planning policy-database; And
One output means is in order to output specific component, finished product or half-finished current replenishment quantity of answering, for the usefulness of production, buying and/or management.
The software section of production planning inventory management system is as follows:
The inventory management method of a kind of production planning system, this method is used to calculate stock's replenishment quantity and predetermined quantity in stock, this method is used the replenishment quantity computing module in the production planning system, and the content of this computing module relates to: predetermined demand consumption, predetermined losing quantity, predetermined quantity in stock, the end of term is scheduled to quantity in stock, and the opening inventory amount, wherein, calculate replenishment quantity and predetermined quantity in stock, adopt following formula:
Replenishment quantity=predetermined demand consumption+predetermined losing quantity+predetermined quantity in stock;-----(2)
Wherein, replenishment quantity is the current specific component that should increase, finished product or half-finished quantity; Predetermined demand comprise currently be intended for selling, keep in repair, use by oneself, required this part, finished product or half-finished quantity such as production; Predetermined losing quantity then for make, store, transport, contingent losing quantity in the displaying process;
Predetermined quantity in stock of predetermined quantity in stock=end of term-opening inventory amount;-----(3)
Wherein, predetermined quantity in stock comprises this part, finished product or the semi-manufacture quantity at the current end of term Ying Zaiku end of term; And this opening inventory amount is the quantity of current beginning of this part, finished product or semi-manufacture in the storehouse.
Description of drawings
Fig. 1 shows part, finished product or semi-manufacture stock, demand and the production quantity synoptic diagram that a kind of foundation production planning of the present invention system is produced.
Fig. 2 represents the block diagram of production planning inventory management system of the present invention.
Symbol description among the figure:
10 replenishment quantity computing modules
20 production planning policy-databases
30 production planning policy data editor modules
40 output means
Specific implementation method
Other purpose of the present invention and advantage can be by following detailed descriptions and with reference to accompanying drawing and more shape is clear.Production planning inventory management system of the present invention below is described.
Though desire is not restrained by any theory, find that through the inventor purpose of production planning inventory management system is in planning part, finished product or half-finished buying, manufacturing, assembling and utilization.Therefore the production planning inventory management system of a practicality must all be listed above-mentioned factor in consideration, in order to avoid make that management policy is difficult to carry out.For make production planning can cooperate each relevant departments' demand of enterprise comprehensively, but not only cooperate production management personnel's demand, production planning inventory management system of the present invention is a notion of utilizing a kind of " end of term predetermined bank storage ", replace the notion of " safety stock " in the conventional art, and finish production planning inventory management system of the present invention.
Fig. 1 shows part, finished product or semi-manufacture stock, demand and the production quantity synoptic diagram that a kind of foundation production planning inventory management system of the present invention is produced.As shown in the figure, its transverse axis is a time shaft, shows 12 months in a year.In the following description of the present invention, will be that first phase is as illustration with 1 month.Certainly, with other period be first phase, also non-the taboo.In addition, its this part of longitudinal axis table, finished product or half-finished quantity.
Curve shown in the figure, S represents closing inventory, that is the current end of term in storehouse quantity.C is a quantity consumed, that is current utilization is in the quantity of producing and selling, keeping in repair, use by oneself.P is a turnout then, refers to the current quantity that increases, and the source of increase comprises buying, manufacturing, assembling etc.Show also among the figure that the annual 4-7 month is the busy season, all the other are dull season, and its quantity consumed gap is very big.Therefore tank farm stock S also changes in response to consumption C, and keeps certain safety inventory.But, it is stable that production planning system that share should be able to make turnout P keep, the not difference in light, busy season of reason, and too big drop is arranged.
For reaching above-mentioned purpose, production planning inventory management system of the present invention mainly is the control that sees through " end of term predetermined bank storage ", reaches to make production quantity roughly keep stable purpose.Fig. 2 promptly represents the block diagram of production planning of the present invention system.As shown in the figure, production planning of the present invention system comprises: a replenishment quantity computing module 10, in order to calculate the quantity that current specific component, finished product or semi-manufacture should be stocked up; One production Program Policy database 20 calculates the required various data informations of this replenishment quantity in order to store, and comprises current and long-term demand consumption, predetermined consumption and the predetermined quantity in stock of consuming of being scheduled to; One production Program Policy data editor module 30 is used for importing or obtaining useful data information automatically, to upgrade the archive content in this production planning policy-database; And an output means 40, in order to output specific component, finished product or half-finished current replenishment quantity of answering, for the usefulness of production, buying and/or management.
Wherein, this replenishment quantity computing module calculates the mode of current replenishment quantity, comprises following formula:
Replenishment quantity=predetermined demand consumption+predetermined losing quantity+predetermined quantity in stock;-----(2)
Wherein, replenishment quantity is the current specific component that should increase, finished product or half-finished quantity; Predetermined demand comprise currently be intended for selling, keep in repair, use by oneself, required this part, finished product or half-finished quantity such as production; Predetermined losing quantity then for make, store, transport, contingent losing quantity in the displaying process; And the account form of predetermined quantity in stock comprises:
Predetermined quantity in stock of predetermined quantity in stock=end of term-opening inventory amount;-----(3)
Wherein, predetermined quantity in stock comprises this part, finished product or the semi-manufacture quantity at the current end of term Ying Zaiku end of term; And this opening inventory amount is the quantity of current beginning of this part, finished product or semi-manufacture in the storehouse.
Required data message when this replenishment quantity computing module 10 calculates can be stored in this production planning policy-database 20 in advance.Comprise:
Predetermined demand: according to the specific enterprise past in each phase (this example, be every month) required use sell, maintenance, personal and specific component, finished product, half-finished quantity of producing, added up, analyzed, and with reference to the prediction of industry to boom etc., the predicted value of gained.For arbitrary enterprise, correctly predict current predetermined demand, be not difficulty.In addition, this production planning policy-database editor module 30 also is available for users to import relevant data, comprises the corrigendum or the adjustment amount of this predetermined demand, or corrigendum or adjust with reference data etc.This production planning policy-database editor module 30, and can provide automation data to produce instrument, in the module in order to ambient systems such as automated production management, sales managements, obtain useful data, revise stored data information in the specific database according to this automatically.Wherein, the finished product of specific component, half-finished predetermined demand also may be because of other part, finished product, the changes of half-finished reservation demand, and demand changes relatively, utilize simple computing formula, can link different parts, finished product and half-finished predetermined demand, and do suitable corresponding change.
Predetermined consume consumption is meant that mainly product and part are in manufacture process and utilize in the process, issuable losing quantity, in for example making, store in, transport issuable consumption in the medium process, and in the mill, preserve in or transport in the De speck product that produce.Usually, scheduled consumption can calculate according to predetermined demand.That is, according to the calculating of multiplying each other of the average loss rate of this manufacturer and predetermined demand.Can deposit in this production planning policy-database 20 at specific component, finished product, half-finished predetermined losing quantity computational tool, predetermined losing quantity or other can be supported the data of application.In addition, also can see through this production management policy data editor module 30, the predetermined losing quantity of special article is revised in input at any time or obtain the data, computing formula etc. of correction automatically according to this.When calculating, related part, finished product and semi-manufacture implicated relationship also should be taken into account.This implicated relationship can be set according to empirical value.
Predetermined consume consumption of the present invention can all be set up archives especially at specific component, semi-manufacture and finished product, to calculate accurately and record.Therefore the production planning data that generated can directly be used in production management, even can directly import management systems such as production, buying and be carried out.
Predetermined quantity in stock is to calculate and get according to end of term predetermined bank storage and opening inventory amount.The result who calculates gained represents current end of term specific component, finished product and the due tank farm stock of semi-manufacture.Be that with the different of known technology maximum this predetermined quantity in stock is not known technology widely used " safety stock ".Safety stock is meant the amount of preparing for the increase in demand in response to short-term.Predetermined storage then is the quantity of being calculated according to end of term predetermined bank storage.When calculating, also can add an adjusted value, dynamically to adjust.
The end of term, predetermined quantity in stock referred to be predefined in due tank farm stock of the current end of term according to specific component, finished product and half-finished demand planning.In example of the present invention, this predetermined bank storage should be considered long-term demand, is planned.For example, be expected at the busy season will produce heavy demand the time, improve the predetermined quantity in stock of each phase in can be in the dull season, and be the demand prosperous without obstacle in busy season, prepare required quantity in advance.Then reduce its predetermined quantity in stock in the busy season.In the latter stage that is predefined for the busy season, and phase beginning in dull season, then will be scheduled to quantity in stock and reduce to and be equivalent to " safety stock ".In this production planning policy-database 20, then deposit predetermined quantity in stock data of specific component, finished product and half-finished each end of term phase, or its computing formula, for application.Under the situation of product demand change fierceness, can see through this production planning policy data editor module 30 and revise, or obtain the correction desired data automatically, revise.According to the demand planning and the predetermined bank storage that produces, can be with the activity in production planning of manufacturer at as shown in Figure 1 curve, the use amount in reason busy season, dull season changes, and replenishment quantity is vibrated up and down.
The opening inventory amount is specific component, finished product and half-finished initial storage.This quantity can find relevant statistics in the beginning in this production planning policy-database 20, be used.
Through after the aforementioned calculation, the replenishment quantity of gained is exported by this output means 40, for the reference of producing, purchasing and/or managing.According to this quantity, the production unit flow process of can arranging production, procurement unit can arrange procurement activity, and the supvr then can be in order to tracking and managing.Because the data that the present invention produced are full and accurate and accurate, thus can directly be used as the foundation of production, buying and management, even directly the input manager system carries out.This is one of unexistent function of prior art.
Predetermined quantity in stock of the employed end of term is the amount according to long-term needs planning gained among the present invention.Manufacturer can be according to the prediction to long-term needs, and the assessment of stock risk, is determined.For example, be the burden of releive busy season production, assembly working, can early beginning to improve predetermined quantity in stock of this end of term month; Otherwise, as be reluctant to bear too big inventory risk, then can just begin to improve predetermined quantity in stock of the end of term month near the busy season.In addition, respectively predetermined quantity in stock of this part, finished product and half-finished end of term also can be revised via production planning policy data editor module 30.Reach the purpose of dynamic management.
It more than is explanation to production planning inventory management system of the present invention and inventory management method, the personage who belongs to this technical field is not difficult by above-mentioned explanation, understand spirit of the present invention and then make different spreading out and stretch and change, only only otherwise exceed spirit of the present invention, all should be contained in its claim.
Claims (2)
1. production planning inventory management system, its feature comprises:
One replenishment quantity computing module is in order to calculate the quantity that current specific component, finished product or semi-manufacture should be stocked up;
One production Program Policy database calculates the required various data informations of this replenishment quantity in order to store, and comprises current and long-term demand consumption, predetermined consumption and the predetermined quantity in stock of consuming of being scheduled to;
One production Program Policy data editor module is used for importing or obtaining useful data information automatically, to upgrade the archive content in this production planning policy-database; And
One output means is in order to output specific component, finished product or half-finished current replenishment quantity of answering, for the usefulness of production, buying and/or management.
2. the inventory management method of a production planning system, this method is used to calculate stock's replenishment quantity and predetermined quantity in stock, this method is used the replenishment quantity computing module in the production planning system, and the content of this computing module comprises: predetermined demand consumption, predetermined losing quantity, predetermined quantity in stock, the end of term is scheduled to quantity in stock, and the opening inventory amount, wherein, calculate replenishment quantity and predetermined quantity in stock, adopt following formula:
Replenishment quantity=predetermined demand consumption+predetermined losing quantity+predetermined quantity in stock;-----(2)
Wherein, replenishment quantity is the current specific component that should increase, finished product or half-finished quantity; Predetermined demand comprise currently be intended for selling, keep in repair, use by oneself, required this part, finished product or half-finished quantity such as production; Predetermined losing quantity then for make, store, transport, contingent losing quantity in the displaying process;
Predetermined quantity in stock of predetermined quantity in stock=end of term-opening inventory amount;-----(3)
Wherein, predetermined quantity in stock comprises this part, finished product or the semi-manufacture quantity at the current end of term Ying Zaiku end of term; And this opening inventory amount is the quantity of current beginning of this part, finished product or semi-manufacture in the storehouse.
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| CNA2006100095238A CN101025799A (en) | 2006-02-24 | 2006-02-24 | Production plan inventory management system and method |
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| CNA2006100095238A CN101025799A (en) | 2006-02-24 | 2006-02-24 | Production plan inventory management system and method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104318417A (en) * | 2014-11-05 | 2015-01-28 | 常熟合正企业管理咨询有限公司 | Finished product inventory and planning system |
| CN105913209A (en) * | 2016-04-14 | 2016-08-31 | 上海斐讯数据通信技术有限公司 | Warehouse management system, warehouse management method and cargo distribution method |
| CN109255683A (en) * | 2018-09-11 | 2019-01-22 | 深圳市元创时代科技有限公司 | Order replenishing method, system, terminal and computer readable storage medium |
| CN109543881A (en) * | 2018-10-23 | 2019-03-29 | 上海大学 | Equipment inventory management decision optimization method, system, electronic equipment and storage medium |
| CN109993384A (en) * | 2017-12-29 | 2019-07-09 | 河南裕展精密科技有限公司 | Production management system and production management method |
| CN110889653A (en) * | 2018-09-07 | 2020-03-17 | 普天信息技术有限公司 | Method and device for calculating energy consumption data statistics |
| CN110956478A (en) * | 2018-09-26 | 2020-04-03 | 北京京东尚科信息技术有限公司 | Method and device for determining goods input quantity |
| CN111680850A (en) * | 2020-08-12 | 2020-09-18 | 中兴软件技术(南昌)有限公司 | Load prediction method and system based on iterative algorithm |
-
2006
- 2006-02-24 CN CNA2006100095238A patent/CN101025799A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104318417A (en) * | 2014-11-05 | 2015-01-28 | 常熟合正企业管理咨询有限公司 | Finished product inventory and planning system |
| CN105913209A (en) * | 2016-04-14 | 2016-08-31 | 上海斐讯数据通信技术有限公司 | Warehouse management system, warehouse management method and cargo distribution method |
| CN109993384A (en) * | 2017-12-29 | 2019-07-09 | 河南裕展精密科技有限公司 | Production management system and production management method |
| CN110889653A (en) * | 2018-09-07 | 2020-03-17 | 普天信息技术有限公司 | Method and device for calculating energy consumption data statistics |
| CN109255683A (en) * | 2018-09-11 | 2019-01-22 | 深圳市元创时代科技有限公司 | Order replenishing method, system, terminal and computer readable storage medium |
| WO2020052112A1 (en) * | 2018-09-11 | 2020-03-19 | 深圳市元创时代科技有限公司 | Order replenishment method and system, terminal, and computer-readable storage medium |
| CN110956478A (en) * | 2018-09-26 | 2020-04-03 | 北京京东尚科信息技术有限公司 | Method and device for determining goods input quantity |
| CN109543881A (en) * | 2018-10-23 | 2019-03-29 | 上海大学 | Equipment inventory management decision optimization method, system, electronic equipment and storage medium |
| CN111680850A (en) * | 2020-08-12 | 2020-09-18 | 中兴软件技术(南昌)有限公司 | Load prediction method and system based on iterative algorithm |
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Open date: 20070829 |