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An Effective Method for Plant Equipment Optimal Layout

A technology of factory equipment and layout method, applied in the field of factory equipment optimization layout based on step by step non-convex and step by step concave process, to achieve high layout accuracy, reduce storage consumption, and improve effects

Active Publication Date: 2017-02-08
INST OF AUTOMATION CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] Aiming at the defects of complexity, accuracy and versatility in the above method, the present invention proposes an effective GNCGCP-based device optimization layout method, and the effect is significantly improved

Method used

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  • An Effective Method for Plant Equipment Optimal Layout
  • An Effective Method for Plant Equipment Optimal Layout
  • An Effective Method for Plant Equipment Optimal Layout

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Embodiment

[0044] In order to make the purpose and technical solution of the present invention clearer, the present invention will be described in further detail below with reference to the accompanying drawings, and the advantages of the present invention will be described in conjunction with specific embodiments.

[0045] figure 1 It is a flow chart of an embodiment of the factory equipment layout optimization method of the present invention. Such as figure 1 Shown, method of the present invention comprises the steps:

[0046] Step S1.1. Obtain the flow matrix A between factory equipment, the distance matrix B between locations, and the maintenance cost matrix C.

[0047] Step S1.2, build an extended equipment layout QAP model, and obtain equipment layout optimization function F(X), where F ζ ( X ) = ( 1 - ζ...

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Abstract

The invention discloses an effective method for an optimized layout of factory facilities. The method builds a model for the layout of the factory facilities. The model is in the following form: min F(X) = tr (AXB <T> x <T>+CX <T>) s.t., where X belongs to Pi, wherein A, B, C belong to R<n*n> and are three matrixes with same scale; the damping matrix A stands for specific loss between devices; the distance matrix B stands for difference between places; the C, which stands for a maintenance cost matrix, is an unknown distribution matrix, and the form of the C is a permutation matrix; Pi is a permutation matrix set; and tr (*) stands for trace of the matrixes. The method conducts optimizing for an objective function of the model based on gradual nonconvex and gradual concave process, and can keep a higher layout precision, and meanwhile greatly reduce time consumption and storage consumption.

Description

technical field [0001] The invention belongs to the field of factory design, and in particular relates to a method for optimizing the layout of factory equipment, in particular to an effective method based on a step-by-step non-convex step-by-step concave process (GNCGCP). Background technique [0002] Facility Layout, also known as Facility Layout, refers to the reasonable placement of factory equipment in a limited space in a certain way, so that the production system can obtain high production efficiency with low production loss as much as possible. Equipment layout is an interdisciplinary field of information processing, artificial intelligence, optimization, etc. It has received extensive attention in both academia and manufacturing. Even so, the optimal layout of equipment is still a challenging problem. [0003] The QAP model (Quadratic Assignment Problem) is an abstract model of the commonly used optimal layout of equipment, which is used to simulate the most common ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/04
Inventor 刘智勇乔红杨旭郑碎武
Owner INST OF AUTOMATION CHINESE ACAD OF SCI
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