Recipe recommendation method combining multi-objective linear programming and genetic algorithm

A genetic algorithm and linear programming technology, applied in the field of intelligent recommendation and chronic disease management and control, can solve the problems of low applicability, inability to realize diversified intelligent catering, lack of recommendation process, etc., and achieve the effect of improving the effect

Inactive Publication Date: 2020-11-24
SUN YAT SEN UNIV
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Problems solved by technology

The disadvantage of this technology is that it cannot realize diversified intelligent catering, and it lacks the recommendation process from ingredients to recipes, so its applicability is low

Method used

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  • Recipe recommendation method combining multi-objective linear programming and genetic algorithm
  • Recipe recommendation method combining multi-objective linear programming and genetic algorithm
  • Recipe recommendation method combining multi-objective linear programming and genetic algorithm

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Embodiment Construction

[0034] 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 of the embodiments of the present invention, not all of them. 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.

[0035] figure 1 It is an overall flowchart of a recipe recommendation method combining multi-objective linear programming and genetic algorithm in an embodiment of the present invention, as shown in figure 1 As shown, the method includes:

[0036] S1, initialization processing, constructing a recipe database, the recipe database records the ingredients and ingredient percentages needed for each recipe, and the user inputs dietary preferences in the s...

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Abstract

The invention discloses a recipe recommendation method combining multi-objective linear programming and a genetic algorithm. The method comprises: establishing a recipe database, and recording diet preferences of a user; according to health guidance, inputting food materials and the weight of the food materials required for dining in the system by the user, screening out all recipes capable of being achieved from the recipe database, and constructing a linear programming equation; improving a fitness function, a selection operator, a crossover operator and a mutation operator for a genetic algorithm, and solving the linear programming equation by utilizing the improved algorithm to obtain a combination of the recipe and the weight of the recipe under the condition of meeting the required food materials and the weight of the meal; and finally based on the diet preference of the user, sorting the recipe combinations, and outputting the recipe combinations to the user. According to the invention, proper recipe recommendation can be given according to the food materials input by the user, and recommendation sorting is carried out based on the diet preference of the user, so that the effect of nutriology intervention in chronic disease management and control is improved.

Description

technical field [0001] The invention relates to the technical fields of chronic disease control and intelligent recommendation, and in particular to a recipe recommendation method combining multi-objective linear programming and genetic algorithm. Background technique [0002] The number of patients with chronic diseases in my country is increasing day by day, but it is difficult to update relevant nutrition services in a timely manner. Therefore, professional catering services are a strong demand in today's society. In the traditional nutritional catering process, nutritionists give suitable ingredients for residents based on their physical conditions. However, from ingredients to recipes, no specific nutritional guidance is given. Many users only cook ingredients based on subjective judgments, which greatly reduces the role of nutritional catering in the management and control of chronic diseases. [0003] One of the current existing technologies is the intelligent nutri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G16H20/60G06N3/12
CPCG16H20/60G06N3/126
Inventor 周凡林格林嘉烨毛端中
Owner SUN YAT SEN UNIV
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