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Design method of plane folding table on the basis of multi-objective optimization

A multi-objective optimization and design method technology, applied in computing, special data processing applications, instruments, etc., can solve the problem of few design methods for folding furniture

Inactive Publication Date: 2015-03-11
UNIV OF JINAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the literature on the design method of folding furniture based on optimization theory is still relatively small.

Method used

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  • Design method of plane folding table on the basis of multi-objective optimization
  • Design method of plane folding table on the basis of multi-objective optimization
  • Design method of plane folding table on the basis of multi-objective optimization

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Experimental program
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Effect test

Embodiment Construction

[0047] specific implementation

[0048] The given desktop is circular with a diameter of 80cm and a table height of 70cm. The corresponding processing parameters are given by using the above invention.

[0049] According to the actual situation, the wooden strips must be grooved. If it is too thin, it will be easily broken, and if it is too thick, it will affect the appearance. In addition, the convenience of processing must be considered. It is more reasonable to choose a width of 2.5cm to 5cm. Choose 4cm here.

[0050] At this time, the equation of the edge line of the desktop is

[0051]

[0052] According to the geometric relationship, at this time

[0053]

[0054] Then the first i The coordinates of the point are .

[0055] When tiling, the position of the outermost steel bar of the first hexagram limit is . When the folding angle is When the position of the reinforcement becomes . The direction vector of the outermost bar is , the direction ...

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Abstract

The invention provides a design method of a plane folding table on the basis of multi-objective optimization. The design method comprises the following steps: according to the shape of a tabletop edge line, establishing a space rectangular coordinate system; determining the width c of a wood board through the tabletop edge line; and selecting a folding angle <alpha> (a batten on the outmost side) and the position d (distance to the tabletop) of a reinforcing steel bar on the utmost side as variables. A multi-target optimization problem is established by utilizing geometrical relationship and requirements, such as stability, processing convenience, material saving and the like, and MATLAB software is used for solving. In a solving process, the multi-target optimization problem is converted into a single-target optimization problem, a parameter is given, and finally, the processing parameters of each batten are given.

Description

technical field [0001] The invention relates to a design method of a plane folding table based on multi-objective optimization, which belongs to the field of information technology. Background technique [0002] Foldable table, the table legs can be flattened into a flat plate with the movement of the hinge. The table legs are composed of several wooden bars, which are divided into two groups, and each group is connected by a steel bar. To ensure the degree of freedom of sliding. [0003] The design of the folding table should achieve good product stability, convenient processing, and minimum material consumption. For any given design requirements for the height of the folding table and the shape and size of the edge line of the tabletop, according to the existing boards, the corresponding processing parameters are given based on the stability, processing convenience, and saving: length of wooden strips, location of steel bars, slotting length. [0004] So far, the desig...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
Inventor 吴鸿华屈忠锋
Owner UNIV OF JINAN