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Non-Equidistant Grey Model Based on Background Value and Initial Condition Optimization and Its Application

Published: 07 December 2021 Publication History

Abstract

As the background value and the initial condition are important factors affecting the precision of grey system model, in this paper, we put forward an improved non-equidistant GM(1,1) model based on PSO according to the practical application need, in which the background value is optimized firstly and a new initial condition is presented based on the principle of new information priority. Under the algorithm of minimizing the square sum of the relative error between the original series and the forecasting sequences, the solution to the optimized time parameter is given, the particle swarm optimization (PSO) algorithm is used as a tool to optimize the parameter in the background value and the initial condition. The experimental result shows the effectiveness and applicability of the proposed non-equidistant GM(1,1) model.

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cover image ACM Other conferences
CSAE '21: Proceedings of the 5th International Conference on Computer Science and Application Engineering
October 2021
660 pages
ISBN:9781450389853
DOI:10.1145/3487075
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 07 December 2021

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Author Tags

  1. Background value
  2. Initial condition
  3. Non-equidistant GM(1,1) model
  4. Particle swarm optimization

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  • Research-article
  • Research
  • Refereed limited

Funding Sources

  • natural science foundation Anhui Province
  • Opening Project of Key Laboratory of Power Electronics and Motion Control of Anhui Higher Education Institutions
  • science and technology projects of Xuancheng
  • opening project of Anhui province key laboratory of special and heavy load robot
  • science foundation for young scientists of Anhui university of technology

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CSAE 2021

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Overall Acceptance Rate 368 of 770 submissions, 48%

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