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Type-II bilateral assembly line balancing method and system for household appliance assembly line

A technology for home appliance products and assembly lines, which is applied in the field of type II bilateral assembly line balancing methods and systems, can solve problems such as difficulty in optimizing the process constraints of bilateral assembly lines, and achieve the effect of improving the accuracy of the algorithm

Pending Publication Date: 2021-04-09
HUAZHONG UNIV OF SCI & TECH +1
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Problems solved by technology

[0003] In view of the defects of the existing technology, the purpose of the present invention is to provide a type II bilateral assembly line balancing method and system for the assembly line of home appliances, aiming to solve the optimization problems brought about by the complex and diverse bilateral assembly line process constraints of home appliances

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  • Type-II bilateral assembly line balancing method and system for household appliance assembly line
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  • Type-II bilateral assembly line balancing method and system for household appliance assembly line

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[0036] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and exemplary embodiments. It should be understood that the exemplary embodiments described here are only used to explain the present invention, and are not intended to limit the applicable scope of the present invention.

[0037] Such as figure 1 As shown, the overall process of a Type II bilateral assembly line balancing method for home appliance assembly lines is as follows:

[0038] Step 1. Collect data related to the balance problem of the bilateral assembly line of home appliances, including the number of tasks N and task time t i , operating orientation constraint K(i), task priority constraint P(i), worker high, middle and low position constraint H(i), operating angle constraint A(i), tool constraint G(i), and adjacent constraint L(i) , pairwise constraint ...

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Abstract

The invention discloses a type-II bilateral assembly line balancing method and system for a household appliance assembly line. The type-II bilateral assembly line balancing method comprises the following steps: (1) collecting household appliance bilateral assembly line balancing problem related data; (2) initializing a population, and randomly generating M chromosomes corresponding to 3 times of task number length 3N; (3) decoding the chromosomes, restoring the chromosomes into specific assembly line balance allocation schemes, and calculating chromosome fitness values; (4) sorting the chromosome fitness values, selecting S chromosomes with the maximum fitness as elite solutions, and selecting M-S chromosomes from the population by using a roulette selection method for genetic manipulation; and (5) repeating the steps (3) to (4) until the set number of iterations is reached, and outputting the chromosome with the minimum fitness value to obtain a corresponding arrangement scheme. In combination with a complex constraint scene of an actual household appliance production line, a new encoding and decoding method is designed by taking a given station number to solve the minimum beat as a target, is applied to actual problems, and has a very high actual application value.

Description

technical field [0001] The invention belongs to the field of double-sided assembly lines of home appliances, and more specifically relates to a type II double-sided assembly line balancing method and system for home appliance assembly lines. Background technique [0002] As the main production form of home appliances, the bilateral assembly line occupies an important position in the production of enterprises. After an enterprise establishes an assembly line, the number of stations in the assembly line is constant for a period of time, but the production tempo is generally different when producing different types of products. Bilateral assembly line balance refers to assigning a limited set of tasks to limited stations on both sides of the assembly line, while satisfying the constraint relationship between tasks and optimizing certain indicators. Among them, the second type of assembly line balance problem refers to the number of stations in the given assembly line, and the ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20G06N3/12
CPCG06F30/20G06N3/126
Inventor 刘鹏管在林岳磊刘鹤峰田亚娟
Owner HUAZHONG UNIV OF SCI & TECH
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