Assembly line rebalance optimization method considering energy consumption

An optimization method, assembly line technology, applied in the direction of instruments, adaptive control, control/regulation systems, etc., to achieve the effect of improving production efficiency and reducing selectivity

Active Publication Date: 2019-09-27
TONGJI UNIV
View PDF10 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the existing technologies only consider rebalancing cost, time or production efficiency to conduct rebalancing research
It can be seen from this that, on the one hand, there are currently very few corresponding research techniques related to the energy consumption in the rebalancing process of assembly lines;

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Assembly line rebalance optimization method considering energy consumption
  • Assembly line rebalance optimization method considering energy consumption
  • Assembly line rebalance optimization method considering energy consumption

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0067] This application proposes an assembly line rebalancing optimization method considering energy consumption, including the following steps:

[0068] S1. On the premise of fully understanding the mechanism of assembly line rebalancing energy consumption, a multi-objective optimization model for assembly line rebalancing is established with the goal of minimizing smoothness coefficient, energy consumption and transfer tasks, as follows:

[0069] The objective function of the multi-objective optimization model includes: smoothing coefficient function, energy consumption function and transfer task number function; the smoothing coefficient function is:

[0070]

[0071] Among them, n represents the total number of stations on the assembly line; m represents the total number of assembly tasks; C T Indicates the maximum completion time; x ij Indicates the task assignment law in the new balance plan, if task i is assigned to station j in the new balance plan, then x ij = 1,...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The present invention relates to an assembly line rebalance optimization method considering energy consumption. The method comprises the following steps: S1, establishing an assembly line rebalance multi-objective optimization model with a minimum smoothing coefficient, minimum energy consumption and a minimum number of transfer tasks as objectives; S2, using a three-dimensional cell model, the knowledge base and the local search method to obtain a multi-objective solving method; S3, using the multi-objective solving method in step S2 to solve the multi-objective optimization model in step S1 to obtain a rebalance scheme under the optimal consideration of the smoothing coefficient, the energy consumption and the number of transfer tasks; and S4, using the rebalance scheme obtained in step S3 to adjust the existing assembly line task allocation scheme. Compared with the prior art, in the method provided by the present invention, the balance factor, the energy consumption factor and the rebalancing cost constraint are simultaneously considered, the production efficiency of the assembly line can be improved in a facilitated manner, and the rebalancing cost and energy loss of the assembly line can be reduced.

Description

technical field [0001] The invention relates to the technical field of product assembly, in particular to an assembly line rebalancing optimization method considering energy consumption. Background technique [0002] The assembly line is a continuous assembly line system. There are multiple stations along the assembly line. The stations are connected by conveyor belts. The products flow between each station through the conveyor belt to complete the assembly task. Assembly line balance refers to the distribution of assembly tasks to each station, as far as possible to ensure that the load between each station is equal, so as to ensure the efficient and smooth production of products. However, changes in products, technologies, and equipment will make the original task allocation plan no longer applicable. At this time, the original balance plan needs to be adjusted, that is, the assembly line rebalancing problem. [0003] At present, some domestic and foreign literatures have...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): G05B13/04
CPCG05B13/042
Inventor 徐立云张北鲲舒中玉张剑刘雪梅马淑梅
Owner TONGJI UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap