CN117852795A - Order demand statistics method - Google Patents
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Abstract
The invention relates to the technical field of production scheduling, in particular to an order demand statistical method. An order demand statistics method, comprising: acquiring order information and order types of orders; confirming order requirements according to the order types, including: when the order type is a reworked order, an order-oriented or an inventory-oriented, determining an order requirement according to order information corresponding to the order type and a corresponding production line coincidence relation; and when the order type is a trade order, determining an order demand according to the order information corresponding to the trade order. The technical scheme of the invention can effectively improve the accuracy of order demand statistics.
Description
Technical Field
The invention relates to the technical field of production scheduling, in particular to an order demand statistical method.
Background
In the production and manufacturing links of enterprises, production planning and scheduling are vital links in the production management of the enterprises, and are key steps for ensuring efficient operation of production processes and on-time delivery of products, and the production planning involves the processes of determining production requirements, making production planning and determining required resources.
After receiving the order demand, the enterprise needs to calculate the total demand of the actual production scheduling according to the existing stock, so as to realize that the production scheduling quantity meets the order demand, but the traditional method calculates the quantity of the demand side from the order, and the obtained order demand is different from the actual demand.
Disclosure of Invention
The problem solved by the invention is how to improve the accuracy of order demand statistics.
In order to solve the above problems, the present invention provides a mixed order demand statistics method.
In a first aspect, the present invention provides a method for order demand statistics, including:
acquiring order information and order types of orders;
confirming order requirements according to the order types, including:
when the order type is a reworked order, an order-oriented or an inventory-oriented, determining an order requirement according to order information corresponding to the order type and a corresponding production line coincidence relation;
and when the order type is a trade order, determining an order demand according to the order information corresponding to the trade order.
Optionally, the method further comprises:
obtaining the delivery period, the production period, the scheduling period and the order priority of each order according to the order information;
Determining a first priority of each order according to the delivery period, the production period, the scheduling period and a first priority relation, and determining the order priority as a second priority;
determining a comprehensive priority of the order according to the first priority and the second priority;
the step of confirming the order requirement according to the order type comprises the following steps: determining the order requirement according to the order type with the highest comprehensive priority;
the first priority relationship satisfies:
wherein P is 1 For the first priority, T 1 For the delivery period, T a For the production cycle, T b For the scheduling period, P a ，P b And P c Constant coefficients.
Optionally, the order information includes an order quantity; when the order type is a reworked order, an order-oriented order or an inventory-oriented order, determining an order requirement according to order information corresponding to the order type and a corresponding production line coincidence relation, including:
when the order type is a reworking order or an order-oriented order, acquiring production line information corresponding to the order type, and determining the order requirement according to the production line information corresponding to the order type and the order quantity and through a production line coincidence relation corresponding to the order type;
When the order type is inventory-oriented, acquiring production line information corresponding to the inventory-oriented, obtaining inventory information according to the order information corresponding to the inventory-oriented, and determining the order requirement according to the inventory information, the order information corresponding to the inventory-oriented and the corresponding production line information and the production line coincidence relation corresponding to the inventory-oriented.
Optionally, when the order type is the rework order, the acquiring the line information corresponding to the order type, and determining the order requirement according to the line information corresponding to the order type and the order quantity and by a line coincidence relation corresponding to the order type, includes:
acquiring a first production line batch and first production line capacity corresponding to the reworking order;
obtaining the first production line coincidence degree according to the first order quantity of the reworking order, the first production line batch quantity and the first production line productivity through the production line coincidence degree relation corresponding to the reworking order;
determining order demands corresponding to the reworking orders according to the first production line conformity and the first order quantity;
When the order type is the order-oriented, the acquiring the line information corresponding to the order type, and determining the order requirement according to the line information corresponding to the order type and the order quantity and by the line coincidence relation corresponding to the order type, includes:
acquiring the second production line batch and the second production line capacity corresponding to the order;
obtaining the second production line conformity according to the second order quantity, the second production line batch quantity and the second production line productivity facing orders and the corresponding production line conformity relation facing orders;
and acquiring raw material information corresponding to the oriented order, and determining order requirements corresponding to the oriented order according to the second production line coincidence degree, the second order quantity and the raw material information.
Optionally, the determining, according to the first line compliance and the first order quantity, an order requirement corresponding to the reworking order includes:
when the first production line coincidence degree is greater than 0, determining the first order number as a first original net demand number, determining the first order number as a first flexible lower limit demand number, determining the first order number as a first standard demand number, and determining the first order number as a first net demand number;
When the first line compliance is less than or equal to 0, determining the first order quantity as the first original net demand quantity, determining the first order quantity as the first flexible lower limit demand quantity, determining the first order quantity as the first standard demand quantity, determining the first net demand quantity as 0, and generating first prompt information.
Optionally, the determining the order requirement corresponding to the order according to the second line compliance degree, the second order quantity and the raw material information includes:
when the second production line coincidence degree is smaller than or equal to 0, determining the second order number as a second original net demand number, determining the second order number as a second flexible lower limit demand number, determining the second order number as a second standard demand number, determining the second net demand number as 0, and generating second prompt information;
when the second production line-oriented compliance is greater than 0, determining the second order quantity as the second original net demand quantity;
determining order-oriented demand degrees according to the raw material information and the order-oriented demand completion degree relation;
Determining the second flexible lower limit demand quantity and the second standard demand quantity according to the order-oriented completion demand degree and the second original net demand quantity;
and when the order-oriented completion demand is greater than 1, determining the second original net demand quantity as the second net demand quantity, otherwise, determining the second net demand quantity as 0.
Optionally, the product line coincidence relation corresponding to the reworking order satisfies:
the production line coincidence relation corresponding to the order is satisfied:
wherein S is 1 For the first production line conformity, S 2 For the second production line compliance, D 1 For the first order quantity, D 2 For the second order quantity, B 1 For the first line batch, B 2 Cap for the second line lot 1 Cap for the capacity of the first production line 2 For the second production line capacity, a 1 、a 2 、b 1 And b 2 As the weight coefficient, n 1 Split number for the first batch.
Optionally, the inventory information includes a quantity of products already ordered and a quantity of products inventory; the production line information comprises third production line batch quantity and third production line capacity; the order information corresponding to the stock comprises a third order quantity; the determining the order requirement according to the inventory information, the inventory-oriented corresponding order information and the corresponding production line information and through the inventory-oriented corresponding production line coincidence relation comprises the following steps:
Determining a third original net demand quantity according to the third order quantity, the product inventory quantity and the product inventory quantity when the sum of the product inventory quantity and the product inventory quantity is less than or equal to the third order quantity, and being 0 when the sum of the product inventory quantity and the product inventory quantity is greater than the third order quantity;
obtaining the third production line coincidence degree according to the third original net demand quantity, the third production line batch quantity and the third production line capacity through the production line coincidence degree relation corresponding to inventory;
when the third line compliance is less than 0, determining the third order quantity as a third flexible lower limit demand quantity, determining the third order quantity as a third standard demand quantity, and determining a third net demand quantity as 0;
when the third production line coincidence degree is greater than or equal to 0, acquiring raw material information corresponding to the facing stock, and determining facing stock completion demand degree according to a facing stock completion degree relation;
and determining the third flexible lower limit requirement and the third standard requirement quantity according to the inventory-oriented completion requirement degree and the third original net requirement quantity, and determining the third net requirement quantity according to the third production line batch quantity corresponding to the third production line compliance degree.
Optionally, the inventory-oriented corresponding production line compliance relationship satisfies:
wherein S is 3 For the third line compliance, net 3 For the third original net demand quantity, B 3 Cap for the third line lot 3 For the third production line capacity, a 3 And b 3 As the weight coefficient, n 2 Split number for the second batch.
Optionally, the order information corresponding to the trade order includes a fourth order quantity; and when the order type is a trade order, determining the order requirement according to the order information corresponding to the trade order, including:
acquiring the inventory quantity of the trade raw materials and the trade flexibility lower limit corresponding to the trade order;
determining the fourth order quantity as a fourth original net demand quantity;
determining a fourth flexible lower limit demand quantity according to the fourth order quantity, the trade raw material inventory quantity, the trade flexible lower limit and a fourth flexible lower limit demand quantity relation;
determining a fourth standard net demand quantity according to the fourth order quantity, the trade raw material inventory quantity and a fourth standard net demand quantity relation;
the fourth flexible lower limit demand quantity relationship satisfies:
The fourth standard net demand quantity relationship satisfies:
wherein RL is a 4 For said fourth lower flexible limit demand, R 4 For the fourth standard net demand quantity, D 4 For the fourth order quantity, S m For the trade raw material stock quantity, SL m Is the trade flexibility lower limit.
The order demand statistical method has the beneficial effects that: by acquiring order information and order types of orders, specific order demands are determined according to the order types, when the order types are reworked orders, order-oriented orders or inventory-oriented orders, the production line capacity corresponding to the three types of orders can influence actual order demands, therefore, when the order types are reworked orders, order-oriented orders or inventory-oriented orders, the order demands are calculated through corresponding production line coincidence relation, the finally obtained order demands can fully consider the influences of factors such as production lines and productivity, and the obtained order demands are closer to the actual demands, when the order types are trade orders, the trade orders are determined according to the demands and the order quantity of customers, and are not based on production plans and sales plans in enterprises, the specific order demands can be determined according to the order information, the influences of factors such as production lines and productivity are not needed, according to the characteristics of different order types, the order demands corresponding to each order type can be accurately obtained by combining the limiting factors which can influence each order type, errors caused by the order demands according to the quantity demands of order sides are avoided, the statistics of the order demands can be accurately obtained, and the production demands can be accurately arranged according to the order demands, and the production efficiency is improved.
Drawings
Fig. 1 is a flow chart of an order demand statistics method according to an embodiment of the invention.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. While the invention is susceptible of embodiment in the drawings, it is to be understood that the invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided to provide a more thorough and complete understanding of the invention. It should be understood that the drawings and embodiments of the invention are for illustration purposes only and are not intended to limit the scope of the present invention.
It should be understood that the various steps recited in the method embodiments of the present invention may be performed in a different order and/or performed in parallel. Furthermore, method embodiments may include additional steps and/or omit performing the illustrated steps. The scope of the invention is not limited in this respect.
The term "including" and variations thereof as used herein are intended to be open-ended, i.e., including, but not limited to. The term "based on" is based at least in part on. The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments"; the term "optionally" means "alternative embodiments". Related definitions of other terms will be given in the description below. It should be noted that the terms "first," "second," and the like herein are merely used for distinguishing between different devices, modules, or units and not for limiting the order or interdependence of the functions performed by such devices, modules, or units.
It should be noted that references to "one", "a plurality" and "a plurality" in this disclosure are intended to be illustrative rather than limiting, and those skilled in the art will appreciate that "one or more" is intended to be construed as "one or more" unless the context clearly indicates otherwise.
As shown in fig. 1, an embodiment of the present invention provides an order demand statistics method, including:
step S1, order information and order types of orders are obtained;
specifically, the data of the order information of the order in the system and the order type corresponding to the order are acquired, the order types comprise four order types of reworking order, stock-oriented order, order-oriented order and trade order, wherein the reworking order (REMAKE) refers to an order in which the produced product has quality problems and needs to be reworked or repaired, and the order is usually put by a customer and needs to be processed in time to ensure the customer satisfaction. Inventory oriented (MTS) refers to a scenario where orders require standard products, multiple orders can be consolidated for production, and then shipped in batches. The production is performed by calculating the total demand of all MTS, then producing and warehousing, and directly shipping the orders according to the stock quantity. Unlike order oriented (MTO), an order of MTO requires a product that is not to be consolidated with other orders, and is to be tracked from an order-work order-warehouse step-by-step, and the product produced is only for that order. The MTO refers to an order which is produced according to the requirement of a customer after the customer places an order, and the order is usually determined by a sales team after the sales team communicates with the customer, and the production is required to be strictly performed according to the requirement of the customer so as to ensure the satisfaction of the customer. TRADE orders (TRADE) refer to the fact that raw materials are not required to be manufactured, for example, directly sold to customers, and thus, production lines are not required to be considered, and only stock quantities are required to be considered. The order information comprises the order quantity of the order, material information corresponding to the order and order priority, wherein the order quantity refers to the received order quantity, and statistics and analysis can be performed according to different time periods or periods so as to perform production and supply chain arrangement. The material information comprises detailed information of required raw materials, parts, assemblies and the like, the information can comprise material names, specifications, stock quantity, supplier information and the like, and corresponding raw material stock information in the stock can be obtained according to the material information, so that a company can accurately carry out production scheduling and material management, and timely delivery of orders is ensured. Order priority refers to the priority of ordering and scheduling orders according to their urgency and importance. Order priority may be determined based on customer requested delivery date, order amount, customer importance, etc. By setting order priority, the method can help companies to reasonably arrange production and supply chain resources and meet customer demands to the greatest extent.
Step S2, confirming the order requirement according to the type of the order, comprising:
step S21, when the order type is a reworked order, an order-oriented order or an inventory-oriented order, determining an order requirement according to order information corresponding to the order type and a corresponding production line coincidence relation;
specifically, when the order type is a reworking order, an order oriented or an inventory oriented, order information corresponding to the order type is obtained according to the specific order type, that is, order information for the reworking order, order information corresponding to the order oriented and order information corresponding to the inventory oriented are obtained, and according to the order information corresponding to different order types, production line information corresponding to the order type, that is, production line batches and production line capacity of the production line can be obtained, so that constraint relations of respective production lines and production capacities are obtained for different order types without passing through corresponding production line coincidence relation, and therefore order demands corresponding to the order type can be obtained through the order information corresponding to the order type and the corresponding production line coincidence relation.
And S22, when the order type is a trade order, determining the order requirement according to the order information corresponding to the trade order.
Specifically, the order requirement of the trade order is generally not considered in terms of the limiting condition of the production line, because the trade order does not need to be produced, factors such as sales volume of products, market trend, activities of competitors and the like are generally considered in determining the order requirement, rather than the limiting condition of the production line, so when the order type is the trade order, the order requirement of the trade order can be determined according to the order information corresponding to the trade order, that is, the corresponding raw material stock information is obtained according to the material information in the order information, and the order information of the trade order is determined according to the corresponding raw material stock information.
In this optional embodiment, by acquiring order information and order types of orders, a specific order requirement is determined according to the order types, when the order types are reworked orders, order-oriented or inventory-oriented, since production line capacity corresponding to the three types of orders can affect actual order requirements, when the order types are reworked orders, order-oriented or inventory-oriented, the order requirement is calculated according to the corresponding production line coincidence relation, so that the finally obtained order requirement can fully consider the influence of factors such as production lines and productivity, and the like, thereby the obtained order requirement is closer to the actual requirement, and when the order types are trade orders, the specific order requirement can be determined according to the order information, the influence of factors such as production lines and productivity is not required to be considered, and according to the characteristics of different order types, the order requirement corresponding to each order type can be accurately obtained in a combined manner, the error caused by counting the order requirement according to the quantity of the order requirement side is avoided, the accuracy of order requirement statistics is improved, and when the order types are trade orders are arranged, thereby the production efficiency is improved.
In an alternative embodiment, the method further comprises:
obtaining the delivery period, the production period, the scheduling period and the order priority of each order according to the order information;
determining a first priority of each order according to the delivery period, the production period, the scheduling period and a first priority relation, and determining the order priority as a second priority;
determining a comprehensive priority of the order according to the first priority and the second priority;
the step of confirming the order requirement according to the order type comprises the following steps: determining the order requirement according to the order type with the highest comprehensive priority;
the first priority relationship satisfies:
wherein P is 1 For the first priority, T 1 For the delivery period, T a For the production cycle, T b For the rowRun length, P a ，P b And P c Constant coefficients. .
Specifically, the delivery date, the production period, the scheduling period and the order priority of each order are obtained according to the order information, the first priority of the order is obtained based on the relationship of the delivery date, the production period, the scheduling period and the first priority, namely, each order is determined according to the conditions such as the delivery date, the production scheduling information and the like, and the priority of the order is determined to be the second priority.
Further, according to the first priority, all orders are ordered according to the order from the first priority to the small, the orders with the same first priority after the ordering are ordered from the large to the small according to the second priority, finally, a comprehensive priority ordering list is obtained for all orders, and order demands are determined according to the order type with the highest comprehensive priority.
In this optional embodiment, the corresponding order requirement can be determined according to the comprehensive priority of the specific order type, and then the production scheduling is performed preferentially according to the order requirement corresponding to the order type with high comprehensive priority, so that the processing speed of the order with high priority can be effectively improved, and the efficiency of production operation is improved.
In an alternative embodiment, the order information includes an order quantity; when the order type is a reworked order, an order-oriented order or an inventory-oriented order, determining an order requirement according to order information corresponding to the order type and a corresponding production line coincidence relation, including:
when the order type is a reworking order or an order-oriented order, acquiring production line information corresponding to the order type, and determining the order requirement according to the production line information corresponding to the order type and the order quantity and through a production line coincidence relation corresponding to the order type;
When the order type is inventory-oriented, acquiring production line information corresponding to the inventory-oriented, obtaining inventory information according to the order information corresponding to the inventory-oriented, and determining the order requirement according to the inventory information, the order information corresponding to the inventory-oriented and the corresponding production line information and the production line coincidence relation corresponding to the inventory-oriented.
Specifically, order information corresponding to the order type is obtained according to the specific order type, that is, order information for a reworking order, order information corresponding to an order-oriented order and order information corresponding to an inventory are obtained, production line information corresponding to the order type, that is, batch of a production line and productivity of the production line can be obtained according to the order information corresponding to different order types, and when the order type is the reworking order or the order-oriented order, since the reworking order and the order-oriented order only need to consider restrictions of the production line, the productivity condition and the like, the order demand corresponding to the reworking order can be obtained according to the production line information corresponding to the reworking order and the order quantity and the line coincidence relation corresponding to the reworking order. Similarly, according to the production line information and the order quantity corresponding to the order, the order demand corresponding to the order can be obtained through the production line coincidence relation corresponding to the order, and when the order type is the order, the order of the type needs to consider the inventory information of the product, namely the inventory quantity and other information of the product corresponding to the order type facing the inventory, besides the constraint condition of the production line and the capacity on the order demand, so that the corresponding production line information and the inventory information are obtained through the order information corresponding to the inventory, and the order demand corresponding to the inventory is obtained through the production line coincidence relation corresponding to the inventory.
In this optional embodiment, when the order type is a return order or an order-oriented order, the corresponding order requirement is determined through the corresponding order information and the line information, and the return order and the order requirement corresponding to the order-oriented order can be accurately obtained through the line information in consideration of the line and the capacity limitation.
In an optional embodiment, when the order type is the rework order, the acquiring the line information corresponding to the order type, and determining, according to the line information corresponding to the order type and the order quantity, the order requirement according to the line coincidence relation corresponding to the order type, includes:
acquiring a first production line batch and first production line capacity corresponding to the reworking order;
obtaining the first production line coincidence degree according to the first order quantity of the reworking order, the first production line batch quantity and the first production line productivity through the production line coincidence degree relation corresponding to the reworking order;
Determining order demands corresponding to the reworking orders according to the first production line conformity and the first order quantity;
when the order type is the order-oriented, the acquiring the line information corresponding to the order type, and determining the order requirement according to the line information corresponding to the order type and the order quantity and by the line coincidence relation corresponding to the order type, includes:
acquiring the second production line batch and the second production line capacity corresponding to the order;
in an optional embodiment, according to the second order quantity, the second line batch quantity and the second line productivity, the second line compliance is obtained according to the line compliance relationship corresponding to the order;
and acquiring raw material information corresponding to the oriented order, and determining order requirements corresponding to the oriented order according to the second production line coincidence degree, the second order quantity and the raw material information.
The production line coincidence relation corresponding to the reworking order satisfies:
the production line coincidence relation corresponding to the order is satisfied:
wherein S is 1 For the first production line conformity, S 2 For the second production line compliance, D 1 For the first order quantity, D 2 For the second order quantity, B 1 For the first line batch, B 2 Cap for the second line lot 1 Cap for the capacity of the first production line 2 For the second production line capacity, a 1 、a 2 、b 1 And b 2 As the weight coefficient, n 1 Split number for the first batch.
In an optional embodiment, the determining, according to the first line compliance and the first order quantity, an order requirement corresponding to the reworking order includes:
when the first production line coincidence degree is greater than 0, determining the first order number as a first original net demand number, determining the first order number as a first flexible lower limit demand number, determining the first order number as a first standard demand number, and determining the first order number as a first net demand number;
when the first line compliance is less than or equal to 0, determining the first order quantity as the first original net demand quantity, determining the first order quantity as the first flexible lower limit demand quantity, determining the first order quantity as the first standard demand quantity, determining the first net demand quantity as 0, and generating first prompt information.
Specifically, when the order type of the order is a reworking order, a first order quantity is obtained according to order information of the order, namely, the order type is the quantity of the order of the reworking order, then, the batch quantity of the optional production line corresponding to the order, namely, the batch quantity of the first production line is obtained, the productivity of the optional production line is obtained, namely, the first productivity is obtained, and according to the first order, the batch quantity of the first production line and the first productivity of each optional production line, the first production line conformity of each optional production line is determined according to the production line conformity relation corresponding to the reworking order.
Further, according to the first line conformity of all the selectable lines, a first line conformity with the highest value is selected for calculating the order demand, when the first line conformity is greater than 0, a value obtained by subtracting the first line batch quantity from the first capacity is determined as the new first line capacity, and the first order quantity is determined as the first original net demand quantity. And when the highest first line compliance is less than or equal to 0, determining that the first original net demand quantity, the first flexible lower limit demand quantity and the first standard demand quantity are the same as the first order quantity, determining that the first net demand quantity is 0, and adding a first prompt message that the required product capacity is limited and can not be produced at this time.
In this optional embodiment, according to the characteristics of the reworked order, the influence of the production line corresponding to the reworked order and the order demand corresponding to the production energy needs to be considered when the order demand is counted, so that the order demand, that is, the first original net demand quantity, the first flexible lower limit demand quantity, the first standard demand quantity and the first net demand quantity, is determined according to the maximum first production line compliance and the corresponding first order quantity in all the optional production lines, the production energy and the batch quantity of the optional production lines can be well combined with the first order quantity, the obtained order demand is more close to the actual order demand, the accuracy of order demand statistics is improved, and a production plan and a supply chain arrangement can be better formulated according to the more accurate order demand.
In an optional embodiment, the determining the order requirement corresponding to the order according to the second line compliance, the second order quantity, and the raw material information includes:
when the second production line coincidence degree is smaller than or equal to 0, determining the second order number as a second original net demand number, determining the second order number as a second flexible lower limit demand number, determining the second order number as a second standard demand number, determining the second net demand number as 0, and generating second prompt information;
When the second production line-oriented compliance is greater than 0, determining the second order quantity as a second original net demand quantity;
determining order-oriented demand degrees according to the raw material information and the order-oriented demand completion degree relation;
determining the second flexible lower limit demand quantity and the second standard demand quantity according to the order-oriented completion demand degree and the second original net demand quantity;
and when the order-oriented completion demand is greater than 1, determining the second original net demand quantity as the second net demand quantity, otherwise, determining the second net demand quantity as 0.
Specifically, when the order type is order-oriented, a second order quantity of the order is obtained according to the order information, the batch quantity and the capacity of each optional production line corresponding to the order, namely, the second production line batch quantity and the second capacity are obtained, the production line coincidence degree of each first production line, namely, the second production line coincidence degree, is determined according to the second order quantity, the second production line batch quantity and the second capacity and through the production line coincidence relation corresponding to the order, and the production capacity of each optional production line relative to the order and the matching degree with actual production requirements can be accurately judged according to the production line coincidence degree.
Further, selecting the second line coincidence degree with the highest coincidence degree from the second line coincidence degrees of all the selectable lines, determining the second original net demand quantity, the second flexible lower limit demand quantity and the second standard demand quantity to be the same as the second order quantity when the highest second line coincidence degree is smaller than or equal to 0, determining the second net demand quantity to be 0, and adding a second prompt message that the demand product capacity is limited and the production cannot be performed at this time.
Further, when the order-facing quantity is greater than 0, a second original net demand quantity of the order is updated, the second order quantity is determined to be the second original net demand quantity, raw material information of raw materials required by the products in the order is obtained according to a bill of materials (Bill of Materials BOM) of the products, wherein the raw material information comprises the raw material demand quantity of the raw materials, namely the order-facing raw material demand quantity, and the ratio of the products to the raw materials in the BOM, namely the order-facing raw material ratio, and the order-facing demand completion degree of the raw materials is determined according to the order-facing raw material demand quantity and the order-facing raw material ratio through an order-facing demand completion degree relation.
Further, an order-oriented raw material inventory quantity and an order-oriented raw material inventory flexible lower limit corresponding to the raw material are obtained according to raw material information, wherein the flexible lower limit refers to a minimum inventory level set for avoiding inventory shortage in the production and sales process, when the order-oriented demand completion degree meets a first matching relationship, the product of the order-oriented demand completion degree and a second original net demand quantity is determined as a second flexible lower limit demand quantity, and when the order-oriented demand completion degree meets a second matching relationship, the product of the order-oriented demand completion degree and the second original net demand quantity is determined as a second standard demand quantity.
Further, the order-oriented demand completion degree of all raw materials is obtained, when the maximum order-oriented demand completion degree is greater than or equal to 1, the second original net demand quantity is determined to be the second net demand quantity, otherwise, the second net demand quantity is determined to be 0.
Further, determining the product of the difference of the second production line capacity minus the second production line batch amount and the batch splitting number of the corresponding production line as new second production line capacity, wherein the batch splitting number is a fixed value corresponding to the production line obtained in advance according to the capacity of each production line, and updating the raw material inventory of each raw material according to the raw material inventory updating relationship.
Specifically, the order-oriented demand completion relationship satisfies:
d j ＝c j β j Net 2 ；
the first matching relationship satisfies:
d j ＝c j β j Net 2 ≤S j -SL j ；
the second matching relationship satisfies:
d j ＝c j β j Net 2 ≤S j ；
the stock relation of the raw materials meets the following conditions:
S N ＝S j -c j β j Net 2
wherein c j Order-oriented demand completion for jth raw material, d j Order-oriented raw material demand quantity, beta, for jth raw material j Order-oriented product raw material ratio for jth raw material, net 2 For the second original net demand quantity, S j Order-oriented stock of jth stock, SL j For the j-th order-oriented flexible lower limit, S N Stock for updated raw materials.
In this optional embodiment, when the order type is order-oriented, the production capacity of each optional production line is determined according to the second production line coincidence document, and the order demand is determined according to the stock information of the raw materials corresponding to the order. .
In an alternative embodiment, the inventory information includes a quantity already ordered and a quantity in inventory of the product; the production line information comprises third production line batch quantity and third production line capacity; the order information corresponding to the stock comprises a third order quantity; the determining the order requirement according to the inventory information, the inventory-oriented corresponding order information and the corresponding production line information and through the inventory-oriented corresponding production line coincidence relation comprises the following steps:
Determining a third original net demand quantity according to the third order quantity, the product inventory quantity and the product inventory quantity when the sum of the product inventory quantity and the product inventory quantity is less than or equal to the third order quantity, and being 0 when the sum of the product inventory quantity and the product inventory quantity is greater than the third order quantity;
obtaining the third production line coincidence degree according to the third original net demand quantity, the third production line batch quantity and the third production line capacity through the production line coincidence degree relation corresponding to inventory;
when the third line compliance is less than 0, determining the third order quantity as a third flexible lower limit demand quantity, determining the third order quantity as a third standard demand quantity, and determining a third net demand quantity as 0;
when the third production line coincidence degree is greater than or equal to 0, acquiring raw material information corresponding to the facing stock, and determining facing stock completion demand degree according to a facing stock completion degree relation;
and determining the third flexible lower limit requirement and the third standard requirement quantity according to the inventory-oriented completion requirement degree and the third original net requirement quantity, and determining the third net requirement quantity according to the third production line batch quantity corresponding to the third production line compliance degree.
In an alternative embodiment, the line compliance relationship for the inventory-oriented correspondence satisfies:
wherein S is 3 For the third line compliance, net 3 For the third original net demand quantity, B 3 Cap for the third line lot 3 For the third production line capacity, a 3 And b 3 As the weight coefficient, n 2 Split number for the second batch.
Specifically, a product demand corresponding to the order is obtained according to order information corresponding to the stock, all orders corresponding to the product demand are searched according to the product demand, the number of orders, namely the number of third orders, of which the first priority meets a first priority preset condition is counted, the priority preset condition of the orders is obtained through a scheduling period and a constant coefficient of the orders, and stock information corresponding to the products of the orders is obtained according to order information corresponding to the stock, wherein the stock information comprises the number of ordered products and the stock number of the products.
Further, when the sum of the already-ordered quantity and the product inventory quantity is smaller than or equal to the third order quantity, determining the third original net demand quantity according to the relation between the third order quantity, the already-ordered quantity, the product inventory quantity and the third original net demand quantity, and determining the already-ordered quantity and the product inventory quantity as 0, otherwise, determining the third original net demand quantity as 0, wherein the already-ordered quantity is the already-ordered quantity of the product demand of the order, the product inventory quantity is the inventory quantity of the product corresponding to the order, when the sum of the already-ordered quantity and the product inventory quantity is larger than the third order quantity, determining the third original net demand quantity as 0, adding the difference value of the already-ordered quantity and the third order quantity to the product inventory quantity to obtain a new already-ordered quantity, and determining the updated product inventory quantity as 0, and when the product inventory quantity is larger than the third order quantity, subtracting the value of the third order quantity from the product inventory quantity as the new product inventory quantity, accurately determining the product inventory quantity through the already-ordered quantity and the product inventory quantity, and obtaining the product inventory quantity corresponding to the order-oriented product inventory quantity, thereby accurately obtaining the first order quantity, namely the product supply line from the first order quantity.
Further, the first priority preset condition satisfies:
/>
the third raw net demand relationship satisfies:
Net 3 ＝D p -W p -S p ；
wherein P is 1 For the first priority, P a Is a constant coefficient, T b Net for a scheduling period 3 For the third original net demand quantity, D p To face the order quantity of the stock products, W p Number of scheduled production S p Order-oriented product inventory quantity.
Further, when the order type is inventory-oriented, the third production line batch quantity and the third production line production energy of the optional production lines capable of producing the product are obtained according to the product requirement of the order information, the production line coincidence degree of each optional production line, namely the third production line coincidence degree, is calculated and obtained through the corresponding production line coincidence degree facing the inventory, and the production capacity of each production line and the actual production requirement can be accurately judged through the third production line coincidence degree, so that the accurate order requirement quantity can be obtained according to the production line coincidence degree of each production line, the batch disassembly quantity processed by each production line is fixed, and the batch disassembly quantity of each production line, namely the second batch disassembly quantity, can be obtained according to the corresponding production line facing the inventory.
Further, when the maximum third line compliance is less than 0, it is indicated that the line with the highest capacity in the optional line cannot meet the order demand, so that the minimum demand number of the orders is determined as the third order number, that is, the third flexible lower limit demand number is determined as the third order number, that is, the standard demand number corresponding to the product or the material of the order is determined as the third order number, that is, the third standard demand number is determined as the third order number, that is, the actual demand number of the order is determined as 0, that is, the third net demand number is determined as 0.
Further, when the maximum third line conformity is greater than or equal to 0, the selectable line is indicated to be capable of meeting the product requirement of the order, raw material information of each raw material capable of producing the order product is obtained according to the order information of the order, the raw material information comprises a raw material requirement number and a product raw material ratio in a BOM, the inventory-facing degree of completion of each raw material is determined according to an inventory-facing degree of completion relationship, when the inventory-facing degree of completion of one raw material meets a third matching relationship, the product of the inventory-facing degree of completion and the third original net requirement number is determined as a third flexible lower limit requirement number, and when the inventory-facing degree of completion of one raw material meets a fourth matching relationship, the product of the inventory-facing degree of completion and the third original net requirement number is determined as a third standard requirement number.
Further, when the maximum inventory-facing demand completion is less than or equal to 1 and the maximum integral line batch is less than or equal to the third flexible lower limit demand quantity, determining the maximum integral line batch as a third net demand quantity, generating a third prompt message that "the required product capacity cannot be fully produced at this time due to insufficient raw materials," please adjust according to the actual batch ", when the maximum inventory-facing demand completion is greater than 1, determining the product of the second batch splitting quantity corresponding to the maximum third line conformity and the third line batch as the third net demand quantity, however, the actual production has a margin which is a value obtained by subtracting the third original net demand quantity from the determined third net demand quantity, in order to fill the margin, limited searching whether the order quantity of the first priority satisfies the order quantity of the same raw materials in the preset condition of the second priority, if yes, subtracting the margin value as the new order quantity, and if not, searching according to the first priority and the second priority, and completing the margin deduction step by step.
Specifically, the order-oriented demand completion relationship satisfies:
d g ＝c g β g Net 3 ；
the third matching relationship satisfies:
d g ＝c g β g Net 3 ≤S g -SL g ；
the fourth matching relationship satisfies:
d g ＝c g β g Net 3 ≤S g ；
the second priority preset condition satisfies:
wherein c g For the completion degree of the stock demand facing the g-th raw material, d g Inventory-oriented raw material demand quantity, beta, for the g-th raw material g Stock-oriented product to raw material ratio, net, for g-th raw material 3 For the third original net demand quantity, S g Stock-oriented stock for g-th stock, SL g For g-th aspect, P is the lower limit of inventory flexibility 1 For the first priority, P a Is a constant coefficient, T b Is a scheduling period.
In this optional embodiment, when the order type is inventory-oriented, the third original net demand quantity may be accurately determined according to the already-ordered quantity of the ordered product and the inventory quantity of the inventory-oriented product, and according to the third line conformity, the third flexible lower limit demand quantity, the third standard demand quantity and the third net demand quantity matched with the line information and the raw material inventory information are obtained through the third order quantity and the corresponding raw material information, so that the obtained specific order demand is closer to the actual demand quantity, and the accurate determination of the order demand statistics is improved.
In an alternative embodiment, the order information corresponding to the trade order includes a fourth order quantity; and when the order type is a trade order, determining the order requirement according to the order information corresponding to the trade order, including:
acquiring the inventory quantity of the trade raw materials and the trade flexibility lower limit corresponding to the trade order;
determining the fourth order quantity as a fourth original net demand quantity;
determining a fourth flexible lower limit demand quantity according to the fourth order quantity, the trade raw material inventory quantity, the trade flexible lower limit and a fourth flexible lower limit demand quantity relation;
determining a fourth standard net demand quantity according to the fourth order quantity, the trade raw material inventory quantity and a fourth standard net demand quantity relation;
the fourth flexible lower limit demand quantity relationship satisfies:
the fourth standard net demand quantity relationship satisfies:
wherein RL is a 4 For said fourth lower flexible limit demand, R 4 For the fourth standard net demand quantity, D 4 For the fourth order quantity, S m For the trade raw material stock quantity, SL m Is the trade flexibility lower limit.
Specifically, when the order type is a trade order, a fourth order quantity and a raw material requirement of the order are obtained according to order information of the order, a corresponding raw material inventory quantity is obtained according to the raw material requirement, the raw material inventory quantity is traded, the lowest raw material requirement of the raw material, namely, a trade flexible lower limit is obtained, and the fourth order quantity is determined to be a fourth original net requirement quantity.
Further, when the difference between the trade raw material inventory quantity and the fourth order quantity is greater than or equal to the trade lower flexibility limit, determining the fourth order quantity as the fourth lower flexibility limit demand quantity, otherwise, determining the difference between the trade raw material inventory quantity and the trade lower flexibility limit as the fourth lower flexibility limit demand quantity;
and when the difference between the inventory quantity of the trade raw materials and the fourth order quantity is greater than or equal to 0, determining the fourth order quantity as the fourth net demand quantity, otherwise, determining the fourth demand quantity as 0.
In this alternative embodiment, when the order type is a trade order, because the trade order does not require production, the order is not in a conventional production plan, the accurate fourth flexible lower limit demand quantity and fourth standard net demand quantity can be obtained directly according to the stock quantity of the raw materials and the flexible lower limit, the fourth original net demand quantity is determined according to the quantity of the order, the influence of the production line factor on the demand of the order is not required to be considered, and the trade order generally does not need to calculate the standard demand quantity.
Those skilled in the art will appreciate that implementing all or part of the above-described methods in accordance with the embodiments may be accomplished by way of a computer program stored on a computer readable storage medium, which when executed may comprise the steps of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), or the like. In this application, the units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the embodiment of the present invention. In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
Although the invention is disclosed above, the scope of the invention is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications will fall within the scope of the invention.
Claims (10)
1. An order demand statistics method, comprising:
acquiring order information and order types of orders;
confirming order requirements according to the order types, including:
when the order type is a reworked order, an order-oriented or an inventory-oriented, determining an order requirement according to order information corresponding to the order type and a corresponding production line coincidence relation;
and when the order type is a trade order, determining an order demand according to the order information corresponding to the trade order.
2. The order demand statistics method as recited in claim 1, further comprising:
obtaining the delivery period, the production period, the scheduling period and the order priority of each order according to the order information;
determining a first priority of each order according to the delivery period, the production period, the scheduling period and a first priority relation, and determining the order priority as a second priority;
Determining a comprehensive priority of the order according to the first priority and the second priority;
the step of confirming the order requirement according to the order type comprises the following steps: determining the order requirement according to the order type with the highest comprehensive priority;
the first priority relationship satisfies:
wherein P is 1 For the first priority, T 1 For the delivery period, T a For the production cycle, T b For the scheduling period, P a ，P b And P c Constant coefficients.
3. The order demand statistics method as recited in claim 1, wherein the order information includes an order quantity; when the order type is a reworked order, an order-oriented order or an inventory-oriented order, determining an order requirement according to order information corresponding to the order type and a corresponding production line coincidence relation, including:
when the order type is a reworking order or an order-oriented order, acquiring production line information corresponding to the order type, and determining the order requirement according to the production line information corresponding to the order type and the order quantity and through a production line coincidence relation corresponding to the order type;
when the order type is inventory-oriented, acquiring production line information corresponding to the inventory-oriented, obtaining inventory information according to the order information corresponding to the inventory-oriented, and determining the order requirement according to the inventory information, the order information corresponding to the inventory-oriented and the corresponding production line information and the production line coincidence relation corresponding to the inventory-oriented.
4. The order demand statistics method as recited in claim 3, wherein,
when the order type is the reworking order, the acquiring the line information corresponding to the order type, and determining the order requirement according to the line information corresponding to the order type and the order quantity and through the line coincidence relation corresponding to the order type, includes:
acquiring a first production line batch and first production line capacity corresponding to the reworking order;
obtaining the first production line coincidence degree according to the first order quantity of the reworking order, the first production line batch quantity and the first production line productivity through the production line coincidence degree relation corresponding to the reworking order;
determining order demands corresponding to the reworking orders according to the first production line conformity and the first order quantity;
when the order type is the order-oriented, the acquiring the line information corresponding to the order type, and determining the order requirement according to the line information corresponding to the order type and the order quantity and by the line coincidence relation corresponding to the order type, includes:
acquiring the second production line batch and the second production line capacity corresponding to the order;
Obtaining the second production line conformity according to the second order quantity, the second production line batch quantity and the second production line productivity facing orders and the corresponding production line conformity relation facing orders;
and acquiring raw material information corresponding to the oriented order, and determining order requirements corresponding to the oriented order according to the second production line coincidence degree, the second order quantity and the raw material information.
5. The method of claim 4, wherein determining the order requirement corresponding to the rework order according to the first line compliance and the first order quantity comprises:
when the first production line coincidence degree is greater than 0, determining the first order number as a first original net demand number, determining the first order number as a first flexible lower limit demand number, determining the first order number as a first standard demand number, and determining the first order number as a first net demand number;
when the first line compliance is less than or equal to 0, determining the first order quantity as the first original net demand quantity, determining the first order quantity as the first flexible lower limit demand quantity, determining the first order quantity as the first standard demand quantity, determining the first net demand quantity as 0, and generating first prompt information.
6. The order demand statistics method as recited in claim 4, wherein determining the order demand corresponding to the oriented order according to the second line compliance, the second order quantity, and the raw material information comprises:
when the second production line coincidence degree is smaller than or equal to 0, determining the second order number as a second original net demand number, determining the second order number as a second flexible lower limit demand number, determining the second order number as a second standard demand number, determining the second net demand number as 0, and generating second prompt information;
when the second production line-oriented compliance is greater than 0, determining the second order quantity as the second original net demand quantity;
determining order-oriented demand degrees according to the raw material information and the order-oriented demand completion degree relation;
determining the second flexible lower limit demand quantity and the second standard demand quantity according to the order-oriented completion demand degree and the second original net demand quantity;
and when the order-oriented completion demand is greater than 1, determining the second original net demand quantity as the second net demand quantity, otherwise, determining the second net demand quantity as 0.
7. The order demand statistics method as recited in claim 4, wherein the line coincidence relation corresponding to the rework order satisfies:
the production line coincidence relation corresponding to the order is satisfied:
wherein S is 1 For the first production line conformity, S 2 For the second production line compliance, D 1 For the first order quantity, D 2 For the second order quantity in question,B 1 for the first line batch, B 2 Cap for the second line lot 1 Cap for the capacity of the first production line 2 For the second production line capacity, a 1 、a 2 、b 1 And b 2 As the weight coefficient, n 1 Split number for the first batch.
8. The order demand statistics method as recited in claim 3, wherein said inventory information includes an ordered quantity and a product inventory quantity; the production line information comprises third production line batch quantity and third production line capacity; the order information corresponding to the stock comprises a third order quantity; the determining the order requirement according to the inventory information, the inventory-oriented corresponding order information and the corresponding production line information and through the inventory-oriented corresponding production line coincidence relation comprises the following steps:
determining a third original net demand quantity according to the third order quantity, the product inventory quantity and the product inventory quantity when the sum of the product inventory quantity and the product inventory quantity is less than or equal to the third order quantity, and being 0 when the sum of the product inventory quantity and the product inventory quantity is greater than the third order quantity;
Obtaining the third production line coincidence degree according to the third original net demand quantity, the third production line batch quantity and the third production line capacity through the production line coincidence degree relation corresponding to inventory;
when the third line compliance is less than 0, determining the third order quantity as a third flexible lower limit demand quantity, determining the third order quantity as a third standard demand quantity, and determining a third net demand quantity as 0;
when the third production line coincidence degree is greater than or equal to 0, acquiring raw material information corresponding to the facing stock, and determining facing stock completion demand degree according to a facing stock completion degree relation;
and determining the third flexible lower limit requirement and the third standard requirement quantity according to the inventory-oriented completion requirement degree and the third original net requirement quantity, and determining the third net requirement quantity according to the third production line batch quantity corresponding to the third production line compliance degree.
9. The order demand statistics method as recited in claim 8, wherein said line compliance relationship for inventory-oriented correspondence satisfies:
wherein S is 3 For the third line compliance, net 3 For the third original net demand quantity, B 3 Cap for the third line lot 3 For the third production line capacity, a 3 And b 3 As the weight coefficient, n 2 Split number for the second batch.
10. The order demand statistics method as recited in claim 1, wherein the order information corresponding to the trade order includes a fourth order quantity; and when the order type is a trade order, determining the order requirement according to the order information corresponding to the trade order, including:
acquiring the inventory quantity of the trade raw materials and the trade flexibility lower limit corresponding to the trade order;
determining the fourth order quantity as a fourth original net demand quantity;
determining a fourth flexible lower limit demand quantity according to the fourth order quantity, the trade raw material inventory quantity, the trade flexible lower limit and a fourth flexible lower limit demand quantity relation;
determining a fourth standard net demand quantity according to the fourth order quantity, the trade raw material inventory quantity and a fourth standard net demand quantity relation;
the fourth flexible lower limit demand quantity relationship satisfies:
the fourth standard net demand quantity relationship satisfies:
Wherein RL is a 4 For said fourth lower flexible limit demand, R 4 For the fourth standard net demand quantity, D 4 For the fourth order quantity, S m For the trade raw material stock quantity, SL m Is the trade flexibility lower limit.
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