Assembly sequence planning method

An assembly sequence planning and assembly sequence technology, which is applied in the direction of instruments, manufacturing computing systems, data processing applications, etc., can solve problems such as the search efficiency of assembly sequence planning methods, and achieve the standards of the evaluation process, expand space, and improve performance. Effect

Active Publication Date: 2015-05-13
GUILIN UNIV OF ELECTRONIC TECH
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Problems solved by technology

[0008] The technical problem to be solved by the present invention is that the existing assembly sequence planning method has the problem of search efficiency, and an assembly sequence planning method is provided, which can effectively balance the local search ability and the global search ability, and improve the search efficiency

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Embodiment Construction

[0055] In order to make the technical solution and advantages of the present invention clearer, the assembly sequence planning system based on the chaotic mixing algorithm of the present invention will be described in detail with reference to the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0056] The present invention adds the chaotic algorithm on the basis of the ant genetic algorithm, introduces the chaotic algorithm search after the ant algorithm search, strengthens the local search capability of the algorithm, and uses the feasible solutions searched by these two algorithms as the initial population of the genetic algorithm, and guides Genetic Algorithm Global Search. Because the initial population is enriched, the global search ability of the genetic algorithm is strengthened, and the search space is expanded. The preferred embodiment o...

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Abstract

The invention discloses an assembly sequence planning method. The method can be divided into three stages, wherein at the first stage, assembly information is collected and a fitness function is established; at the second stage, the assembly sequence is found through the chaotic mixing algorithm; at the third stage, the fitness value is calculated, the scales of species are dynamically renewed, and route pheromones are renewed. The chaotic algorithm is added on the basis of the ant genetic algorithm, the chaotic algorithm search is introduced after the ant algorithm search is conducted so that the local search capacity of the algorithms is enhanced, feasible solutions fond through the two algorithms serve as initial species of the genetic algorithm, and the overall search capacity of the genetic algorithm is guided. Due to the fact that the initial species are enriched, the overall search capacity of the genetic algorithm is enhanced, and the search space is enlarged.

Description

technical field [0001] The invention relates to the field of product assembly sequence planning, in particular to an assembly sequence planning method. Background technique [0002] Assembly sequence planning is an important link in the product manufacturing process, and the assembly quality directly affects the performance of the product. For the production of large-scale products, a better assembly sequence will greatly shorten the production cycle of the product, reduce the production cost of the product, and improve the quality and performance of the product. Relevant studies have shown that a good assembly sequence can reduce manufacturing costs by 20% to 40%, and increase productivity by 100% to 200%. Therefore, assembly sequence planning occupies a very important position in the product manufacturing process, not only the important factor of green manufacturing, but also the economic benefits in actual engineering should be considered. [0003] The traditional metho...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q50/04
CPCY02P90/30G06Q10/047G06Q50/04
Inventor 古天龙肖鹏徐周波宁黎华常亮
Owner GUILIN UNIV OF ELECTRONIC TECH
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