Method, system, equipment and storage medium for optimizing medical trunk lines

An optimization method and trunk line technology, applied in mechanical equipment, data processing applications, forecasting, etc., can solve the problems of overall planning, balance, and the inability to achieve overall effects from a global perspective.

Active Publication Date: 2021-02-19
SF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, with the continuous expansion of the medical trunk network, this method cannot be coordinated and planned from a global perspective, and it cannot achieve a good balance in the overall effect

Method used

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  • Method, system, equipment and storage medium for optimizing medical trunk lines
  • Method, system, equipment and storage medium for optimizing medical trunk lines
  • Method, system, equipment and storage medium for optimizing medical trunk lines

Examples

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Embodiment 1

[0089] This embodiment provides a medicine trunk optimization method, such as figure 1 As shown, the method includes the following steps:

[0090] Establish an optimization model for the medical trunk network by using the spatio-temporal network model;

[0091] In order to effectively analyze the time sequence (time constraint) and spatial relationship (distribution point distribution) in this problem, this application adopts the "space-time network" model to model the medical trunk network. The space-time network is an extension of the static network. By discretizing the continuous distribution of time at a certain interval, each node represents both a location and a certain point in time. There are two types of arcs (edges connecting nodes) in spatiotemporal networks.

[0092] In this embodiment, taking one week as an example, the designed departure frequency is at least 4 times a week and is a fixed cycle every week. Therefore, the model divides a total of 168 hours a wee...

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Abstract

The invention provides a medical trunk line optimization method and system, equipment and a storage medium. According to the method, a spatial-temporal network model is adopted to perform modeling ona medical trunk line network, wherein the optimal model is based on historical data, an integer programming algorithm is utilized to calculate an optimal relation curve of transportation cost and average time by finding Pareto optimality, and the optimal relation curve is provided off line for planning and selection according to service demands. Through the optimal model, the chronological order and the spatial relation in the medical trunk line network can be analyzed more effectively to optimize departure shifts. A constraint condition of an objective function guarantees that each OD must select one exact spatial-temporal path from optional spatial-temporal paths; a departure arc in each section of the spatial-temporal network has sufficient capacity to bear a corresponding express quantity; and the departure shifts are balanced in counter-departure between two arbitrary cities. Through the optimal model, overall planning can be performed from a global perspective, low-cost and high-timeliness delivery demands are entirely met, and good balance can be reached in terms of overall effect.

Description

technical field [0001] The invention relates to the field of operational optimization, in particular to a method, system, equipment and storage medium for optimizing a medical trunk line. Background technique [0002] With the development of the economy and the advancement of science and technology, the demand for distribution of pharmaceutical products across the country continues to increase, and gradually occupy a higher market share, while cross-city logistics services put forward extremely high requirements for the trunk network. For some special medicines and specific cities, special car delivery is the most common form. However, for the vast majority of suppliers and demanders, the demand of a single customer at a certain point of time is very dependent on the main line less-than-truckload bus network. Taking a domestic express company as an example, there are currently 23 urban bus stations across the country, with at least 4 fixed shifts every week and long-term cyc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/04
CPCG06Q10/047Y02T10/40
Inventor 倪土杨昌鹏胡武华高磊
Owner SF TECH
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