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A pipeline layout optimization method

A layout optimization and assembly line technology, applied in the direction of comprehensive factory control, program control, instruments, etc., can solve problems such as the inability to shorten the transportation distance, and achieve the effect of improving the running speed and flexible algorithm.

Active Publication Date: 2020-11-17
XIANGTAN UNIV
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Problems solved by technology

But none of them can shorten the transportation distance of parts processing on the assembly line and improve the efficiency of the assembly line

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  • A pipeline layout optimization method
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Embodiment Construction

[0050] The present invention will be described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the present invention. In addition, those skilled in the art can make corresponding combinations of features in the embodiments in this document and in different embodiments according to the descriptions in this document.

[0051] The terms "first", "second", "third", "fourth", etc. (if any) in the description and claims of the present invention and the above drawings are used to distinguish similar objects and not necessarily Describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein, for example, can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comp...

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Abstract

The invention provides an assembly line layout optimization method. According to the method, a multi-target genetic algorithm, namely a non-dominated sorting genetic algorithm (NSGA-II), is utilized,an optimal solution to a sorting sequence of devices on K positions on an assembly line is figured out according to two targets including the total component machining conveying distance and the totaldevice cost, and correspondingly optimization of the layout of the assembly line is achieved, wherein each individual in a group represents a device sorting method on the assembly line, each variablein each individual represents a device number on the corresponding position, and 0 indicates that there is no device at the position. According to the algorithm, by adopting 0 for indicating that there is no device at the corresponding position, increase of an optimal number of devices can be controlled, the cost is effectively controlled, correspondingly the algorithm is more flexible, and the optimal solution to a question can be better figured out. The algorithm increases the running speed and improves the convergence of a solution set, the diversity and distributivity of a solution groupare maintained by utilizing crowding distance, and the situation that only local optimal solutions are figured out is avoided.

Description

technical field [0001] The invention relates to a layout optimization method, in particular to a pipeline layout optimization method. Background technique [0002] With the step-by-step development of social science and technology, in many countries, they have used production technology in scientific production to realize the automation of workshop assembly lines. In the past, we invested a lot of energy in realizing the automation of the production line, but we often did not pay much attention to the layout of the production line, so that some manufacturers do not have much requirements for the production line. For the current society where mechanical automation is gradually becoming a trend, the balance of the assembly line that can be achieved is mainly used in the design of new assembly lines and the optimization and improvement of current assembly lines. Therefore, the purpose of optimizing the assembly line mainly includes the following aspects: fast logistics, reduci...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/418
CPCG05B19/41865G05B19/41885Y02P90/02
Inventor 邹娟康云霞赵婧张璐郑金华杨圣祥
Owner XIANGTAN UNIV
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