Multi-food material nutrition proportioning method based on genetic algorithm

A genetic algorithm and ingredient technology, which is applied in the field of multi-ingredient nutrition ratio based on genetic algorithm, can solve the problems of instability, incomplete nutrition of ingredients, and low accuracy of ingredient ratio plan, and improve the convergence speed and accuracy. Effect

Pending Publication Date: 2020-12-11
SUN YAT SEN UNIV
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Problems solved by technology

The disadvantage of this technology is that the obtained ingredient ratio scheme is not accurate and unstable, and the nutrients of the ingredients themselves specified by this technology are not comprehensive, even if the quality of the ingredients is changed, it cannot solve the problem.

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  • Multi-food material nutrition proportioning method based on genetic algorithm
  • Multi-food material nutrition proportioning method based on genetic algorithm
  • Multi-food material nutrition proportioning method based on genetic algorithm

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Embodiment Construction

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0022] figure 1 It is an overall flowchart of a multi-ingredient nutritional ratio method based on a genetic algorithm according to an embodiment of the present invention, as shown in figure 1 As shown, the method includes:

[0023] S1, creating an ingredient database for storing the name of the ingredient and its corresponding nutrient composition;

[0024] S2, the user enters the required nutrients and their recommended intake according to the health guidelines...

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Abstract

The invention discloses a multi-food material nutrition proportioning method based on a genetic algorithm. The method comprises: creating a food material database; inputting required nutrients and recommended intake thereof by a user, and selecting alternative food materials; searching food materials input by a user in a food material database, exporting corresponding nutritional ingredients of the food materials, and constructing a linear programming equation in combination with nutrients input by the user and recommended intake of the nutrients; solving the equation by utilizing a genetic algorithm improved by crossover probability and mutation probability, then eliminating food materials which are too small in weight and too close to each other, and outputting a final food material proportioning scheme. According to the invention, the accuracy of nutrition catering can be improved, and the accurate quality of each food material can be given; based on the improved genetic algorithm,the convergence rate of the algorithm can be effectively improved; the defect that a traditional algorithm can only provide one optimal solution is overcome, a plurality of non-inferior solutions canbe generated, and therefore diversified food material nutrition configuration schemes are output.

Description

technical field [0001] The invention relates to the technical fields of chronic disease management and control and intelligent catering, and in particular to a genetic algorithm-based nutritional ratio method for multiple ingredients. Background technique [0002] A reasonable diet plays a very important role in human health. Although theoretically speaking, according to various national nutritional guidelines, ingredients can be reasonably matched, but in the process of actual use, the ingredients selected by users may meet personal dietary preferences, but may not contain all the required ingredients. Nutrients. However, although the ingredients specified by traditional algorithms can meet the user's nutritional needs, they may not necessarily meet the user's dietary preferences. [0003] One of the current existing technologies is the technical solution proposed by "a method of proportioning specified ingredients to achieve specific nutritional goals". Collocation prov...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/953G06N3/12G16H20/60
CPCG06F16/953G06N3/126G16H20/60
Inventor 周凡林格邓贤杰曾泓熹
Owner SUN YAT SEN UNIV
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