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Inventory determination method and device

An inventory and inventory technology, applied in the field of inventory determination methods and devices, can solve problems such as prediction results error, inaccurate safety stock, inability to determine service level, etc., to improve accuracy, improve solution efficiency, and reduce warehousing costs. Effect

Active Publication Date: 2022-01-28
BEIJING JINGDONG ZHENSHI INFORMATION TECH CO LTD
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Problems solved by technology

The existing service level determination method mainly adopts the method of machine learning, and predicts according to the simulated service level and the corresponding evaluation index. Due to the deviation of the sample data, the error of the prediction result is large, and it is impossible to determine the optimal service level. Safety stock based on service level is inaccurate

Method used

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  • Inventory determination method and device

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Embodiment Construction

[0045] Exemplary embodiments of the present invention are described below in conjunction with the accompanying drawings, which include various details of the embodiments of the present invention to facilitate understanding, and they should be regarded as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

[0046] figure 1 It is a schematic diagram of the main flow of the inventory determination method according to the embodiment of the present invention, such as figure 1 Shown, the determination method of the inventory of the present invention comprises the steps:

[0047] The value of the service level is usually between [0,1]. However, a 100% service level (that is, all ...

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Abstract

The invention discloses an inventory determination method and device, and relates to the technical field of warehouse logistics. The specific embodiment of the method comprises the following steps: acquiring article data of various articles; according to the cost parameter, determining the inventory holding cost of the article, and taking the minimum inventory holding cost as an objective function of the service level optimization model; performing linear conversion on a nonlinear function in the service level optimization model according to replenishment parameters, demand parameters and inventory parameters of the articles; solving the service level optimization model by using a linear solver according to the objective function and the converted linear function; and determining the service level of the article according to the solving result, and further determining the inventory of the article according to the service level. According to the embodiment, the inventory determination accuracy is improved, the linear solver is used for solving, the solving speed can be increased, the solving efficiency can be improved, the safe inventory of various commodities in actual storage can be accurately determined, and the storage cost is reduced.

Description

technical field [0001] The invention relates to the technical field of warehousing and logistics, in particular to a method and device for determining inventory. Background technique [0002] Safety stock is a buffer stock prepared to prevent uncertainties in the supply or demand of future items (such as a large number of sudden orders, unexpected delivery interruptions or sudden delays, etc.), mainly to better cope with forecast fluctuations, thereby Make replenishment. Service level is a decisive factor when determining safety stock, therefore, in order to reduce storage costs, it is necessary to determine the optimal service level. [0003] Service level refers to the probability of ensuring the supply of items to serve customer demand, and usually represents the expected probability that no shortage will occur in the next replenishment cycle. The existing service level determination method mainly adopts the method of machine learning, and predicts according to the simu...

Claims

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Application Information

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IPC IPC(8): G06Q10/08G06Q10/04G06Q10/06G06N20/00
CPCG06Q10/087G06Q10/04G06Q10/06315G06N20/00
Inventor 申欣冉庄晓天高振羽胡文博钟冰洁周超越
Owner BEIJING JINGDONG ZHENSHI INFORMATION TECH CO LTD
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