Grey Systems: Theory and Application: Volume 11 Issue 4

Multidimensional research on agrometeorological disasters based on grey BP neural network

Bingjun Li, Shuhua Zhang

The purpose of this study to provide a reference basis for effectively managing the risk of agrometeorological disasters in Henan Province, speeding up the establishment of a…

General grey number decision-making model and its application based on intuitionistic grey number set

Shi Quan Jiang, SiFeng Liu, ZhongXia Liu

The purpose of this paper is to study the grey decision model and distance measuring method of general grey number.

A clean energy forecasting model based on artificial intelligence and fractional derivative grey Bernoulli models

Yonghong Zhang, Shuhua Mao, Yuxiao Kang

With the massive use of fossil energy polluting the natural environment, clean energy has gradually become the focus of future energy development. The purpose of this article is…

Forecasting air quality in China using novel self-adaptive seasonal grey forecasting models

Xiaoyue Zhu, Yaoguo Dang, Song Ding

Aiming to address the forecasting dilemma of seasonal air quality, the authors design the novel self-adaptive seasonal adjustment factor to extract the seasonal fluctuation…

Weighted grey relational analysis to evaluate multilevel dispatching rules in wafer fabrication

Goh Chia Yee, Chin Jeng Feng, Mohd Azizi Bin Chik, Mohzani Mokhtar

This research proposes weighted grey relational analysis (WGRA) method to evaluate the performance of 325 multilevel dispatching rules in the wafer fabrication process.

A new grey prediction model considering the data gap compensation

Che-Jung Chang, Chien-Chih Chen, Wen-Li Dai, Guiping Li

The purpose of this paper is to develop a small data set forecasting method to improve the effectiveness when making managerial decisions.

Form tolerance analysis and multi-parametric optimization of meso deep square hole EDMed on Inconel-718 plate using GRA method

Sandeep Kumar, S. Dhanabalan

The main objective of this experimental work is to analyze and measure the form tolerances namely flatness and squareness while machining a meso deep hole in EDM on Inconel-718…

Coordination and competition in two-echelon supply chain using grey revenue-sharing contracts

Ayad Hendalianpour, Mohammad Hamzehlou, Mohammad Reza Feylizadeh, Naiming Xie, Mohammad Hossein Shakerizadeh

This study examines the potential of contracts as one of the supply chain coordination mechanisms under competitive conditions. It also investigates a two-echelon supply chain…

Hyperspectral estimation of soil organic matter content using grey relational local regression model

Xuesong Cao, Xican Li, Wenjing Ren, Yanan Wu, Jieya Liu

This study aims to improve the accuracy of hyperspectral estimation of soil organic matter content.

Quality improvement of smart senior care service platform in China based on grey relational analysis and Fuzzy-QFD

Lan Xu, Yu Zhang

Smart senior care industry in China currently faces a series of practical difficulties such as an imbalance in the demand and supply structure, service products unable to cater to…

First price sealed-bid auction of the grey game improvement model via double-parameter Bayesian estimation

Fei Deng, Sifeng Liu, Zhigeng Fang

The improved classical model makes it possible that the evaluation strategy has an optimal tendency, which reveals the purpose of this paper is to facilitate the first price…

Forecasting smog in Beijing using a novel time-lag GM(1,N) model based on interval grey number sequences

Jia Shi, Pingping Xiong, Yingjie Yang, Beichen Quan

Smog seriously affects the ecological environment and poses a threat to public health. Therefore, smog control has become a key task in China, which requires reliable prediction.

Flexible flow shop scheduling with interval grey processing time

Yuquan Wang, Naiming Xie

purpose of this paper is providing a solution for flexible flow shop scheduling problem with uncertain processing time in aeronautical composite lay-up workshop.

Hospital readmission prediction based on improved feature selection using grey relational analysis and LASSO

Nor Hamizah Miswan, Chee Seng Chan, Chong Guan Ng

This paper develops a robust hospital readmission prediction framework by combining the feature selection algorithm and machine learning (ML) classifiers. The improved feature…