Complex machinery product assembling sequence programming method based on firework algorithm

A technology for assembly sequence planning and fireworks algorithm, applied in the directions of calculation, data processing application, prediction, etc., can solve problems such as difficulty in guaranteeing the rationality and superiority of assembly sequence, increase in manufacturing cost, prolong development cycle, etc., so as to shorten the product development cycle. , The effect of reducing product manufacturing cost and planning speed

Inactive Publication Date: 2016-01-27
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology

In the traditional mechanical product assembly process, most enterprises use experienced assembly engineers to assemble with their own experience, but when there are too many assembly parts, the number of product assembly sequences and the number of product parts increase exponentially Therefore, for complex mechanical products with a large number of parts, there will be an assemb

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  • Complex machinery product assembling sequence programming method based on firework algorithm
  • Complex machinery product assembling sequence programming method based on firework algorithm
  • Complex machinery product assembling sequence programming method based on firework algorithm

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with accompanying drawing. Embodiments of the present invention include, but are not limited to, the following examples.

[0018] refer to figure 1 , an assembly sequence planning method for complex mechanical products based on fireworks algorithm, the steps are as follows:

[0019] Step 1: Modeling product assembly based on assembly, see figure 2 , to establish a foundation for solving the assembly sequence based on the fireworks algorithm; determine the initial interference matrix, stable support matrix and assembly tool transformation times of the assembly, see image 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 shown;

[0020] step 1 image 3 1 means that part i interferes with part j when it is assembled along the coordinate axis + x direction, and 0 means that part i does not interfere with part j when it is assembled along the coordinate axis + x direction;

[0021] step 2 Fig...

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Abstract

The invention relates to the field of complex machinery product assembling programming and discloses a complex machinery product assembling sequence programming method based on a firework algorithm. The method comprises the steps of: carrying out product modeling based on assemblies so as to establish a basis for assembling sequence programming based on the firework algorithm; aimed at characteristics of the assembling sequence programming problem and according to basic principles of the firework algorithm, re-defining relative operation of the firework algorithm, and constructing the firework algorithm facing the assembling sequence programming; using assembling direction change times, assembling direction stability and assembling tool transformation times as three evaluation indexes, and utilizing an optimization searching mechanism of the firework algorithm to carry out optimization on an assembling sequence; and realizing the complex machinery product assembling sequence programming method based on the firework algorithm by means of MATLAB programming, and obtaining an optimized assembling sequence. According to the invention, the manufacturing cost of a complex machinery product is lowered, and the exploitation period of the product is shortened.

Description

technical field [0001] The invention relates to the field of complex mechanical product assembly planning, in particular to a complex mechanical product assembly sequence planning method based on fireworks algorithm. Background technique [0002] Assembly planning includes three parts: assembly modeling, assembly sequence planning, and assembly path planning. Assembly sequence planning is the core of assembly planning, which is directly related to the assembly cost of products. In the traditional mechanical product assembly process, most enterprises use experienced assembly engineers to assemble with their own experience, but when there are too many assembly parts, the number of product assembly sequences and the number of product parts increase exponentially Therefore, for complex mechanical products with a large number of parts, there will be an assembly sequence combination explosion problem. It is difficult to determine the assembly sequence based on the experience of th...

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Application Information

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IPC IPC(8): G06Q10/04
Inventor 鲁聪李俊英霍灯升刘鑫汪洋
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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