Irregular goods package three-dimensional material loading method based on chemical reaction optimization algorithm

An optimization algorithm and chemical reaction technology, applied in logistics, computing, data processing applications, etc., can solve the problem of insufficient space utilization of cargo packages, and achieve the effect of fast execution speed

Pending Publication Date: 2020-02-14
SICHUAN AEROSPACE SYST ENG INST
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Problems solved by technology

[0003] The purpose of the present invention is to provide a three-dimensional material loading method for irregular cargo packages based on a chemical reaction optimizati

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  • Irregular goods package three-dimensional material loading method based on chemical reaction optimization algorithm
  • Irregular goods package three-dimensional material loading method based on chemical reaction optimization algorithm
  • Irregular goods package three-dimensional material loading method based on chemical reaction optimization algorithm

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Embodiment 1

[0045] A three-dimensional material loading method for irregular cargo packages based on chemical reaction optimization algorithm, which is applied to cargo packages with a wedge-shaped cross-section. The schematic diagram of its spatial structure is shown in figure 1 As shown, a rectangular cargo is placed on the lower left corner of the bottom surface of the wedge-shaped cargo, so that the three sides of the rectangular cargo coincide with the three sides of the wedge-shaped cargo respectively, then according to the remaining front and right extensions of the rectangular cargo, The wedge-shaped cargo space can be divided into four remaining spaces, and the upper space V is directly above the rectangular cargo up , the space is a rectangular space; the remaining space corresponding to the front face is the front space V forward , the space is a trapezoidal space or a triangular space; the remaining space corresponding to the right side is the right space V right , the space ...

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Abstract

The invention discloses an irregular goods package three-dimensional material loading method based on a chemical reaction optimization algorithm. The method comprises the steps that molecules and a molecular group are constructed; calculating initial potential energy PEk and initial kinetic energy KEk; if a single molecule is subjected to a bimolecular meta-reaction, randomly selecting a collisionreaction mode of two molecules with another randomly selected molecule, recording the lowest potential energy in the molecules and the molecule with the lowest potential energy, and judging whether the lowest potential energy meets the requirements or not; if the single molecule generates the meta-reaction of the single molecule, randomly selecting a single molecule reaction mode, recording the lowest potential energy in the molecule and the molecule with the lowest potential energy, judging whether the lowest potential energy meets the requirements or not, If not, returning to calculate theinitial kinetic energy and potential energy; otherwise, optimizing the material loading scheme. Compared with a traditional manual loading mode, the optimization effect of the loading layout scheme isgreatly improved, compared with an original genetic algorithm mode, the optimization effect is slightly improved, but the algorithm execution speed is much higher.

Description

technical field [0001] The invention relates to the technical field of material loading, in particular to a three-dimensional material loading method for irregular cargo packages based on a chemical reaction optimization algorithm. Background technique [0002] The three-dimensional material loading problem refers to arranging goods in three-dimensional containers (packages or containers) under certain loading constraints. After the arrangement is completed, the overall loading scheme can meet the specified index requirements (such as the maximum quality of The total loading material has the largest utilization rate of the internal space of the container, etc.). In space transportation engineering, due to the limitation of the shape design of the transporter, the material loading containers used are often some non-rectangular irregular space containers, such as the wedge-shaped loading space package mentioned in this article. In the engineering requirements of space transpo...

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Application Information

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IPC IPC(8): G06Q10/04G06Q10/08
CPCG06Q10/043G06Q10/0832
Inventor 钟敏张波陈华尹羿姚天问李皓伟
Owner SICHUAN AEROSPACE SYST ENG INST
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