CN111932185B - Medicine inventory allocation system and method - Google Patents

Medicine inventory allocation system and method Download PDF

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CN111932185B
CN111932185B CN202010957937.3A CN202010957937A CN111932185B CN 111932185 B CN111932185 B CN 111932185B CN 202010957937 A CN202010957937 A CN 202010957937A CN 111932185 B CN111932185 B CN 111932185B
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胡明
于刚
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Yiyao Yaofang Technology Shanghai Co ltd
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Abstract

The invention discloses a medicine inventory allocating system and a method, belonging to the technical field of warehouse management, wherein the system comprises: the device comprises an input module, a classification module, an acquisition module, a processing module and an output module; the method comprises the following steps: inputting allocation demand information, classifying the allocation demand information according to the identification information of the medicines to be allocated to obtain classification information, acquiring the current stock of each medicine warehouse according to the classification information to generate adjustable stock information, and processing according to the classification information, the adjustable stock information and preset allocation rule information among all the warehouses to obtain an allocation scheme and outputting the allocation scheme; the beneficial effects of the above technical scheme are: balance is found between maximum allocation amount and minimum allocation time, so that inventory among all warehouses is balanced, and manpower and material resources consumed by allocation are saved.

Description

Medicine inventory allocation system and method
Technical Field
The invention relates to the technical field of warehousing management, in particular to a medicine inventory allocating system and method.
Background
With the rapid development of mobile communication technology, the acquisition of commodities required by people through online shopping has been popularized to the aspects of people's life, the internet sale of medical supplies has also become an unblocked trend, and as the storage and transportation of medical supplies often have special requirements, some electronic commerce transaction platforms often choose to provide uniform storage and transportation services for such commodities, the warehouses for storing pharmaceuticals are often distributed all over the country, and under the condition of no accurate sales prediction, the inventory configuration of a certain medicine or medicines among various warehouses is unbalanced, and the inventory needs to be frequently allocated to each other to achieve the purpose of reasonably allocating surplus inventory.
Due to the restrictions of policies, distribution logistics and drug distribution conditions in various regions, for a specific drug, a surplus dispatch warehouse cannot necessarily allocate the drug to all warehouses to be dispatched, and the warehouses to be dispatched cannot necessarily receive allocation of all the dispatch warehouses, for example, warehouse A cannot allocate Chinese and western drugs to warehouse B, so that the allocation plan scheme is complicated to specify under the condition that the warehouses are many; meanwhile, under the condition of allocating as much as possible, how to reasonably allocate the abundant stock of the allocating and delivering bins to a plurality of allocating and delivering bins to achieve the aim of minimizing allocating and delivering time, namely, minimizing the corresponding allocating and delivering distance is also a problem to be considered.
Disclosure of Invention
According to the problems in the prior art, the medicine inventory allocation system and method are provided, allocation requirements are classified, the acquired adjustable inventory information and the pre-stored allocation rule information are combined to be solved comprehensively, an optimal allocation scheme is obtained and output to a user, and therefore balance is found between allocation quantity maximization and allocation time minimization, inventory among all warehouses is balanced, and manpower and material resources consumed by allocation are saved.
The technical scheme specifically comprises the following steps:
a drug inventory allocation system comprising:
the system comprises an input module, a storage module and a transfer module, wherein the input module is used for inputting transfer demand information, and the transfer demand information comprises at least one identification information of a warehouse to be transferred, at least one identification information of a medicine to be transferred corresponding to the identification information of the warehouse to be transferred, and at least one quantity to be transferred corresponding to the identification information of the medicine to be transferred;
the classification module is connected with the input module and is used for classifying the allocation demand information according to the identification information of the to-be-allocated drugs to obtain classification information, wherein the classification information comprises the identification information of the to-be-allocated drugs, all identification information of warehouses to be allocated corresponding to the identification information of the to-be-allocated drugs and the to-be-allocated quantity corresponding to each identification information of the warehouses to be allocated;
the acquisition module is connected with the classification module and used for acquiring the current inventory of each medicine warehouse according to the classification information to generate adjustable inventory information, and the adjustable inventory information comprises adjustable warehouse identification information and corresponds to the adjustable quantity of the adjustable warehouse identification information;
the processing module is connected with the acquisition module and the classification module and is used for processing according to the classification information, the adjustable inventory information and preset allocation rule information among all warehouses to obtain an allocation scheme, and the allocation scheme comprises allocation direction information and a planned allocation amount corresponding to the allocation direction information;
and the output module is connected with the processing module and used for outputting the allocation scheme to a user.
Preferably, the transfer direction information includes transfer warehouse identification information and transfer warehouse identification information.
Preferably, the allocation rule information includes allocation direction constraint information and allocation time information required for allocation among the warehouses;
obtaining the following dialing direction matrix according to the dialing direction constraint information:
Figure 462655DEST_PATH_IMAGE001
；
obtaining the following time matrix according to the allocation time information:
Figure 737779DEST_PATH_IMAGE002
；
wherein,
Figure 896096DEST_PATH_IMAGE003
is used for indicating whether the medicine warehouse i can allocate the medicine to the medicine warehouse j, when
Figure 28000DEST_PATH_IMAGE003
If =1, it means that the medicine warehouse i can transfer the medicine to the medicine warehouse j, and when the medicine warehouse j is ready to transfer the medicine
Figure 288081DEST_PATH_IMAGE003
When the value is not less than =0, the medicine warehouse i cannot transfer the medicine to the medicine warehouse j;
Figure 163633DEST_PATH_IMAGE004
which represents the time it takes for the drug warehouse i to dial a drug to the drug warehouse j.
Preferably, the processing module processes the call plan according to the following algorithm model:
a first objective function:
Figure 396031DEST_PATH_IMAGE005
；
a second objective function:
Figure 449569DEST_PATH_IMAGE006
；
constraint conditions are as follows:
Figure 400207DEST_PATH_IMAGE007
；
Figure 79450DEST_PATH_IMAGE008
；
Figure 166355DEST_PATH_IMAGE009
；
wherein,
Figure 640061DEST_PATH_IMAGE010
for representing the callable quantity of a drug warehouse i;
Figure 812417DEST_PATH_IMAGE011
for indicating the quantity to be called of the drug warehouse j;
Figure 295351DEST_PATH_IMAGE012
the system is used for representing the planned allocation amount of the medicine warehouse i to the medicine warehouse j;
Figure 236762DEST_PATH_IMAGE013
。
preferably, the processing module solves the algorithm model by a simplex iterative solution method to obtain an optimal solution of the first objective function and the second objective function, and outputs the optimal solution as the allocation scheme.
A method of drug inventory allocation, comprising:
step S1, inputting allocation demand information, wherein the allocation demand information comprises at least one to-be-called warehouse identification information, at least one to-be-called medicine identification information corresponding to the to-be-called warehouse identification information, and at least one to-be-called quantity corresponding to the to-be-called medicine identification information;
step S2, classifying the allocation demand information according to the identification information of the to-be-allocated drugs to obtain classification information, wherein the classification information comprises the identification information of the to-be-allocated drugs, all the identification information of the to-be-allocated warehouses corresponding to the identification information of the to-be-allocated drugs and the to-be-allocated quantity corresponding to each identification information of the to-be-allocated warehouses;
step S3, collecting the current stock of each medicine warehouse according to the classification information to generate adjustable stock information, wherein the adjustable stock information comprises adjustable warehouse identification information and corresponds to the adjustable quantity of the adjustable warehouse identification information;
and step S4, processing according to the classification information, the adjustable inventory information and preset allocation rule information among all warehouses to obtain and output an allocation scheme, wherein the allocation scheme comprises allocation direction information and a planned allocation amount corresponding to the allocation direction information.
Preferably, the transfer direction information includes transfer warehouse identification information and transfer warehouse identification information.
Preferably, the allocation rule information includes allocation direction constraint information and allocation time information required for allocation among the warehouses;
obtaining the following dialing direction matrix according to the dialing direction constraint information:
Figure 396217DEST_PATH_IMAGE014
；
obtaining the following time matrix according to the allocation time information:
Figure 55868DEST_PATH_IMAGE015
；
wherein,
Figure 76914DEST_PATH_IMAGE016
is used for indicating whether the medicine warehouse i can allocate the medicine to the medicine warehouse j, when
Figure 138411DEST_PATH_IMAGE016
If =1, it means that the medicine warehouse i can transfer the medicine to the medicine warehouse j, and when the medicine warehouse j is ready to transfer the medicine
Figure 219499DEST_PATH_IMAGE016
When the value is not less than =0, the medicine warehouse i cannot transfer the medicine to the medicine warehouse j;
Figure 897605DEST_PATH_IMAGE017
which represents the time it takes for the drug warehouse i to dial a drug to the drug warehouse j.
Preferably, in the step S4, the dialing scheme is obtained according to the following algorithm model processing:
a first objective function:
Figure 660025DEST_PATH_IMAGE018
；
a second objective function:
Figure 389078DEST_PATH_IMAGE019
；
constraint conditions are as follows:
Figure 578750DEST_PATH_IMAGE020
；
Figure 275311DEST_PATH_IMAGE021
；
Figure 575842DEST_PATH_IMAGE022
；
wherein,
Figure 408669DEST_PATH_IMAGE023
for representing the callable quantity of a drug warehouse i;
Figure 769243DEST_PATH_IMAGE024
for indicating the quantity to be called of the drug warehouse j;
Figure 687521DEST_PATH_IMAGE025
the system is used for representing the planned allocation amount of the medicine warehouse i to the medicine warehouse j;
Figure 791743DEST_PATH_IMAGE026
。
preferably, in the step S4, the algorithm model is solved through a simplex iterative solution method, so as to obtain an optimal solution of the first objective function and the second objective function, and output the optimal solution as the allocation plan.
The beneficial effects of the above technical scheme are that:
the medicine inventory allocation system and method are provided, the allocation requirements are classified, the acquired adjustable inventory information and the pre-stored allocation rule information are combined to perform comprehensive solution, an optimal allocation scheme is obtained and output to a user, and therefore balance is found between allocation quantity maximization and allocation time minimization, inventory among all warehouses is balanced, and manpower and material resources consumed by allocation are saved.
Drawings
FIG. 1 is a schematic diagram of a drug inventory allocation system according to a preferred embodiment of the present invention;
FIG. 2 is a flowchart illustrating a method for allocating drug inventory according to a preferred embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
A drug inventory allocation system, as shown in fig. 1, comprising:
the system comprises an input module 1, a storage module and a scheduling module, wherein the input module 1 is used for inputting scheduling demand information, and the scheduling demand information comprises at least one to-be-scheduled warehouse identification information, at least one to-be-scheduled medicine identification information corresponding to the to-be-scheduled warehouse identification information, and at least one to-be-scheduled quantity corresponding to the to-be-scheduled medicine identification information;
the classification module 2 is connected with the input module 1 and is used for classifying the dialing demand information according to the identification information of the to-be-called drugs to obtain classification information, wherein the classification information comprises the identification information of the to-be-called drugs, all the identification information of the to-be-called warehouses corresponding to the identification information of the to-be-called drugs and the to-be-called quantity corresponding to each identification information of the to-be-called warehouses;
the acquisition module 3 is connected with the classification module 2 and used for acquiring the current inventory of each medicine warehouse according to the classification information to generate adjustable inventory information, and the adjustable inventory information comprises adjustable warehouse identification information and corresponds to the adjustable quantity of the adjustable warehouse identification information;
the processing module 4 is connected with the acquisition module 3 and the classification module 2 and is used for processing according to the classification information, the adjustable inventory information and preset allocation rule information among all warehouses to obtain an allocation scheme, and the allocation scheme comprises allocation direction information and a planned allocation amount corresponding to the allocation direction information;
and the output module 5 is connected with the processing module 4 and is used for outputting the allocation scheme to the user.
As a preferred embodiment, the input module 1 of the drug inventory allocating system disclosed in the present invention is used for providing users with allocation information required for inputting, where the allocation information may be input by manual statistics, or may be set with a corresponding rule in advance, and when the stock of a certain drug in a certain warehouse is lower than a predetermined value, the corresponding allocation requirement information is automatically generated and sent to the input module 1. The allocation demand information comprises identification information of warehouses to be allocated, identification information of medicines to be allocated and the number of the warehouses to be allocated, in a specific embodiment of the invention, the identification information content of the warehouses to be allocated is the serial number of the warehouses to be allocated in the system, wherein each warehouse corresponds to a determined unique serial number which is used as the identity of the warehouse in the system; the identification information of the to-be-called medicine is information capable of uniquely identifying a certain medicine, and in this embodiment, the identification code of the medicine is used as the identification information of the to-be-called medicine; the number to be called is the total amount of the medicine, and in this embodiment, the specification is rounded by taking the box as a unit to be used as the final number to be called. In this embodiment, the allocation demand information may include a plurality of to-be-allocated warehouse identification information and a plurality of to-be-allocated medicine identification information at the same time, that is, different warehouses may need to allocate one or more medicines, and therefore, in the allocation demand information, it is necessary to clearly distinguish the number of warehouses that need the first kind of medicines and how many boxes the number of medicines need to be.
The classification module 2 is used for counting and classifying all input allocation demand information, classifying the allocation demand information according to identification information of the medicines to be allocated, and counting all demand warehouses of each specific medicine to be allocated
Figure 993923DEST_PATH_IMAGE027
And the number of demands corresponding to the demand warehouse
Figure 525399DEST_PATH_IMAGE028
(ii) a Then the acquisition module 3 identifies the identification information of the traditional Chinese medicine according to the classification informationCollecting information of each medicine warehouse in the system to obtain the inventory of the medicine in each medicine warehouse, calculating the adjustable quantity of each medicine warehouse aiming at the medicine type according to the inventory, and specifically selecting the total inventory (including in-transit goods) of the medicine in each adjustable warehouse
Figure 930972DEST_PATH_IMAGE029
And existing adjustable inventory
Figure 573306DEST_PATH_IMAGE030
Calculating the surplus inventory of each transfer bin for the medicine
Figure 380725DEST_PATH_IMAGE031
，
Figure 83102DEST_PATH_IMAGE032
Wherein
Figure 975972DEST_PATH_IMAGE030
according to the number of turnover days corresponding to the existing stock and the warehouse
Figure 421996DEST_PATH_IMAGE033
To calculate, i.e.
Figure 100233DEST_PATH_IMAGE034
Wherein S is used for representing the current stock of each dispatch bin, and De is used for representing the average daily demand of each dispatch bin.
The adjustable number as described hereinbefore
Figure 973512DEST_PATH_IMAGE035
Can be obtained by adopting the following formula:
Figure 88098DEST_PATH_IMAGE036
。
in a preferred embodiment of the present invention, the allocation direction information includes an outbound warehouse identification information and an inbound warehouse identification information.
In a preferred embodiment of the invention, the allocation rule information comprises allocation direction constraint information and allocation time information required by allocation among all warehouses;
obtaining the following dialing direction matrix according to the dialing direction constraint information:
Figure 134552DEST_PATH_IMAGE037
；
obtaining the following time matrix according to the dialing time information:
Figure 854246DEST_PATH_IMAGE038
；
wherein,
Figure 960742DEST_PATH_IMAGE039
is used for indicating whether the medicine warehouse i can allocate the medicine to the medicine warehouse j, when
Figure 500308DEST_PATH_IMAGE039
If =1, it means that the medicine warehouse i can transfer the medicine to the medicine warehouse j, and when the medicine warehouse j is ready to transfer the medicine
Figure 599720DEST_PATH_IMAGE039
When the value is not less than =0, the medicine warehouse i cannot transfer the medicine to the medicine warehouse j;
Figure 173921DEST_PATH_IMAGE040
which represents the time it takes for the drug warehouse i to dial a drug to the drug warehouse j.
Specifically, in this embodiment, the matrix a is a rule matrix that determines whether a certain drug can be allocated between the bins, and the rule matrix is artificially created according to actual conditions, specifically considering whether the policy between the candidate outgoing bin and the demand bin allows allocation, whether logistics distribution allows allocation, whether the drug type is OTC drug, and other factors.
In the preferred embodiment of the present invention, the processing module 4 obtains the call scheme according to the following algorithm model processing:
a first objective function:
Figure 451318DEST_PATH_IMAGE041
；
a second objective function:
Figure 743759DEST_PATH_IMAGE042
；
constraint conditions are as follows:
Figure 132015DEST_PATH_IMAGE043
；
Figure 826302DEST_PATH_IMAGE044
；
Figure 274601DEST_PATH_IMAGE045
；
wherein,
Figure 788759DEST_PATH_IMAGE046
for indicating the callable amount of the drug warehouse i;
Figure 731438DEST_PATH_IMAGE047
used for representing the to-be-called quantity of the medicine warehouse j;
Figure 280231DEST_PATH_IMAGE048
the system is used for representing the planned allocation amount of the medicine warehouse i to the medicine warehouse j;
Figure 899431DEST_PATH_IMAGE049
。
specifically, in this embodiment, a first objective function model and a second objective function model are established, corresponding constraint conditions are added according to actual situations, a simplex method is adopted to iteratively solve to obtain a transfer amount with a direction, the stock in transit is optimized and solved by the same method, and finally a planned transfer amount with a direction is obtained.
In the preferred embodiment of the present invention, the processing module 4 solves the algorithm model by a simplex iterative solution method to obtain an optimal solution of the first objective function and the second objective function, and outputs the optimal solution as a call plan.
A method for allocating drug inventory, as shown in FIG. 2, comprises
Step S1, inputting allocation demand information, wherein the allocation demand information comprises at least one to-be-called warehouse identification information, at least one to-be-called medicine identification information corresponding to the to-be-called warehouse identification information, and at least one to-be-called quantity corresponding to the to-be-called medicine identification information;
step S2, classifying the dialing demand information according to the identification information of the to-be-called medicines to obtain classification information, wherein the classification information comprises the identification information of the to-be-called medicines, all the identification information of the to-be-called warehouses corresponding to the identification information of the to-be-called medicines and the to-be-called quantity corresponding to each identification information of the to-be-called warehouses;
step S3, collecting the current stock of each medicine warehouse according to the classification information to generate adjustable stock information, wherein the adjustable stock information comprises adjustable warehouse identification information and corresponds to the adjustable quantity of the adjustable warehouse identification information;
and step S4, processing according to the classification information, the adjustable inventory information and preset allocation rule information among all warehouses to obtain and output an allocation scheme, wherein the allocation scheme comprises allocation direction information and a planned allocation amount corresponding to the allocation direction information.
In a preferred embodiment of the present invention, the allocation direction information includes an outbound warehouse identification information and an inbound warehouse identification information.
In a preferred embodiment of the invention, the allocation rule information comprises allocation direction constraint information and allocation time information required by allocation among all warehouses;
obtaining the following dialing direction matrix according to the dialing direction constraint information:
Figure 900885DEST_PATH_IMAGE050
；
obtaining the following time matrix according to the dialing time information:
Figure 630944DEST_PATH_IMAGE051
；
wherein,
Figure 96560DEST_PATH_IMAGE052
is used for indicating whether the medicine warehouse i can allocate the medicine to the medicine warehouse j, when
Figure 824345DEST_PATH_IMAGE052
If =1, it means that the medicine warehouse i can transfer the medicine to the medicine warehouse j, and when the medicine warehouse j is ready to transfer the medicine
Figure 624679DEST_PATH_IMAGE052
When the value is not less than =0, the medicine warehouse i cannot transfer the medicine to the medicine warehouse j;
Figure 361691DEST_PATH_IMAGE053
which represents the time it takes for the drug warehouse i to dial a drug to the drug warehouse j.
In the preferred embodiment of the present invention, in step S4, the dialing scheme is obtained according to the following algorithm model processing:
a first objective function:
Figure 681814DEST_PATH_IMAGE054
；
a second objective function:
Figure 580500DEST_PATH_IMAGE055
；
constraint conditions are as follows:
Figure 618863DEST_PATH_IMAGE056
；
Figure 893987DEST_PATH_IMAGE057
；
Figure 68616DEST_PATH_IMAGE058
；
wherein,
Figure 403782DEST_PATH_IMAGE059
for indicating the callable amount of the drug warehouse i;
Figure 414595DEST_PATH_IMAGE060
used for representing the to-be-called quantity of the medicine warehouse j;
Figure 290147DEST_PATH_IMAGE061
the system is used for representing the planned allocation amount of the medicine warehouse i to the medicine warehouse j;
Figure 256966DEST_PATH_IMAGE062
。
in the preferred embodiment of the present invention, in step S4, the algorithm model is solved through a simplex iterative solution method, so as to obtain an optimal solution of the first objective function and the second objective function, and output the optimal solution as a call plan.
The beneficial effects of the above technical scheme are that:
the medicine inventory allocation system and method are provided, the allocation requirements are classified, the acquired adjustable inventory information and the pre-stored allocation rule information are combined to perform comprehensive solution, an optimal allocation scheme is obtained and output to a user, and therefore balance is found between allocation quantity maximization and allocation time minimization, inventory among all warehouses is balanced, and manpower and material resources consumed by allocation are saved.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.

Claims (9)

1. A drug inventory allocation system, comprising:
the system comprises an input module, a storage module and a transfer module, wherein the input module is used for inputting transfer demand information, and the transfer demand information comprises at least one identification information of a warehouse to be transferred, at least one identification information of a medicine to be transferred corresponding to the identification information of the warehouse to be transferred, and at least one quantity to be transferred corresponding to the identification information of the medicine to be transferred;
the classification module is connected with the input module and used for counting and classifying all input allocation demand information according to the identification information of the medicines to be called in, classifying the allocation demand information according to the identification information of the medicines to be called in and counting all demand warehouses of each specific medicine to be called in
Figure DEST_PATH_IMAGE008
And the number of the required warehouse to be called
Figure DEST_PATH_IMAGE010
Obtaining classification information, wherein the classification information comprises identification information of the to-be-called medicines, identification information of all to-be-called warehouses corresponding to the identification information of the to-be-called medicines and the to-be-called quantity corresponding to each identification information of the to-be-called warehouses;
the acquisition module is connected with the classification module and used for acquiring information of each medicine warehouse according to the identification information of the medicine to be called in the classification information to obtain the stock of the medicine in each medicine warehouse and calculating the adjustable quantity of each medicine warehouse aiming at the medicine according to the stock to generate adjustable stock information, wherein the adjustable stock information comprises adjustable warehouse identification information and corresponds to the adjustable quantity of the adjustable warehouse identification information;
the mode that the collection module calculates the adjustable quantity of each medicine warehouse aiming at the medicine comprises the following steps:
selecting the medicines in the total stock containing the goods in transit of each medicine warehouse as a calling-out warehouse
Figure DEST_PATH_IMAGE012
And existing tunable inventory
Figure DEST_PATH_IMAGE014
Calculating the surplus inventory of each medicine warehouse for the medicine
Figure DEST_PATH_IMAGE016
，
Figure DEST_PATH_IMAGE018
Wherein
Figure DEST_PATH_IMAGE020
according to the number of turnover days corresponding to the existing stock and the warehouse
Figure DEST_PATH_IMAGE022
To calculate, i.e.
Figure DEST_PATH_IMAGE024
Wherein S is used for representing the current stock of each transfer bin, and De is used for representing the daily average demand of each transfer bin;
then the adjustable quantity
Figure DEST_PATH_IMAGE026
The formula is adopted to process the following steps:
Figure DEST_PATH_IMAGE028
；
the processing module is connected with the acquisition module and the classification module and is used for processing according to the classification information, the adjustable inventory information and preset allocation rule information among all warehouses to obtain an allocation scheme, and the allocation scheme comprises allocation direction information and a planned allocation amount corresponding to the allocation direction information;
the output module is connected with the processing module and used for outputting the allocation scheme to a user;
the allocation rule information comprises allocation direction constraint information and allocation time information required by allocation among all warehouses;
obtaining the following dialing direction matrix according to the dialing direction constraint information:
Figure DEST_PATH_IMAGE030
；
obtaining the following time matrix according to the allocation time information:
Figure DEST_PATH_IMAGE032
；
wherein,
Figure DEST_PATH_IMAGE034
is used for indicating whether the medicine warehouse i can allocate the medicine to the medicine warehouse j, when
Figure DEST_PATH_IMAGE036
The time indicates that the medicine warehouse i can allocate the medicine to the medicine warehouse j, and the time is when the medicine warehouse i can allocate the medicine to the medicine warehouse j
Figure DEST_PATH_IMAGE038
The time indicates that the medicine warehouse i cannot transfer the medicines to the medicine warehouse j;
Figure DEST_PATH_IMAGE040
for indicating the medicine warehouse to the medicineThe time spent in warehouse j to dial the drug;
the matrix A is a rule matrix for determining whether a certain medicine can be allocated among various medicine warehouses, the rule matrix is formulated and generated according to actual conditions in reality, and factors for specifically considering whether allocation is allowed according to policies between candidate transfer warehouses and demand warehouses, whether allocation is allowed according to logistics distribution, and whether the medicine type is OTC medicine are comprehensively formulated.
2. The drug inventory allocation system according to claim 1, wherein the allocation direction information includes an out-of-warehouse identification information and an in-warehouse identification information.
3. The drug inventory allocation system according to claim 1, wherein the processing module processes the allocation plan according to the following algorithm model:
a first objective function:
Figure DEST_PATH_IMAGE042
；
a second objective function:
Figure DEST_PATH_IMAGE044
；
constraint conditions are as follows:
Figure DEST_PATH_IMAGE046
；
Figure DEST_PATH_IMAGE048
；
Figure DEST_PATH_IMAGE050
；
wherein,
Figure DEST_PATH_IMAGE052
for representing the callable quantity of a drug warehouse i;
Figure DEST_PATH_IMAGE054
for indicating the quantity to be called of the drug warehouse j;
Figure DEST_PATH_IMAGE056
the system is used for representing the planned allocation amount of the medicine warehouse i to the medicine warehouse j;
Figure DEST_PATH_IMAGE058
。
4. the drug inventory allocation system according to claim 3, wherein the processing module solves the algorithm model by a simplex iterative solution method to obtain an optimal solution of the first objective function and the second objective function and outputs the optimal solution as the allocation plan.
5. A drug inventory allocation method applied to the drug inventory allocation system as claimed in claim 1, and comprising:
step S1, inputting allocation demand information, wherein the allocation demand information comprises at least one to-be-called warehouse identification information, at least one to-be-called medicine identification information corresponding to the to-be-called warehouse identification information, and at least one to-be-called quantity corresponding to the to-be-called medicine identification information;
step S2, classifying the allocation demand information according to the identification information of the to-be-allocated drugs to obtain classification information, wherein the classification information comprises the identification information of the to-be-allocated drugs, all the identification information of the to-be-allocated warehouses corresponding to the identification information of the to-be-allocated drugs and the to-be-allocated quantity corresponding to each identification information of the to-be-allocated warehouses;
step S3, collecting the current stock of each medicine warehouse according to the classification information to generate adjustable stock information, wherein the adjustable stock information comprises adjustable warehouse identification information and corresponds to the adjustable quantity of the adjustable warehouse identification information;
and step S4, processing according to the classification information, the adjustable inventory information and preset allocation rule information among all warehouses to obtain and output an allocation scheme, wherein the allocation scheme comprises allocation direction information and a planned allocation amount corresponding to the allocation direction information.
6. The drug inventory allocation method according to claim 5, wherein the allocation direction information includes an out-of-warehouse identification information and an in-warehouse identification information.
7. The method according to claim 5, wherein the allocation rule information includes allocation direction constraint information and allocation time information required for allocation between warehouses;
obtaining the following dialing direction matrix according to the dialing direction constraint information:
Figure DEST_PATH_IMAGE060
；
obtaining the following time matrix according to the allocation time information:
Figure DEST_PATH_IMAGE062
；
wherein,
Figure DEST_PATH_IMAGE064
is used for indicating whether the medicine warehouse i can allocate the medicine to the medicine warehouse j, when
Figure DEST_PATH_IMAGE066
The time indicates that the medicine warehouse i can allocate the medicine to the medicine warehouse j, and the time is when the medicine warehouse i can allocate the medicine to the medicine warehouse j
Figure DEST_PATH_IMAGE068
The time indicates that the medicine warehouse i cannot transfer the medicines to the medicine warehouse j;
Figure DEST_PATH_IMAGE070
which represents the time it takes for the drug warehouse i to dial a drug to the drug warehouse j.
8. The method for allocating drug inventory as claimed in claim 7, wherein in step S4, the allocation plan is obtained according to the following algorithm model processing:
a first objective function:
Figure DEST_PATH_IMAGE072
；
a second objective function:
Figure DEST_PATH_IMAGE074
；
constraint conditions are as follows:
Figure DEST_PATH_IMAGE076
；
Figure DEST_PATH_IMAGE078
；
Figure DEST_PATH_IMAGE080
；
wherein,
Figure DEST_PATH_IMAGE082
for representing the callable quantity of a drug warehouse i;
Figure DEST_PATH_IMAGE084
the wait for representing a drug warehouse jThe number is called;
Figure DEST_PATH_IMAGE086
the system is used for representing the planned allocation amount of the medicine warehouse i to the medicine warehouse j;
Figure DEST_PATH_IMAGE088
。
9. the method for allocating drug inventory as claimed in claim 8, wherein in step S4, the algorithm model is solved by simplex iterative solution to obtain the optimal solution of the first objective function and the second objective function, and the optimal solution is outputted as the allocation plan.
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