Grey Systems: Theory and Application: Volume 13 Issue 1

Negative grey relational model and measurement of the reverse incentive effect of fields medal

Sifeng Liu

The purpose of this paper is to construct some negative grey relational analysis models to measure the relationship between reverse sequences.

A decade of grey systems: theory and application – bibliometric overview and future research directions

Surya Prakash, Anubhav Agrawal, Ranbir Singh, Rajesh Kumar Singh, Divya Zindani

Grey Systems: Theory and Application (GSTA) journal started publication in 2011 and completed a decade in 2021. The purpose of this study is to provide a detailed bibliometric…

A moving average denoise operator and grey discrete production process quality prediction model

Qiang Li, Sifeng Liu, Changhai Lin

The purpose of this paper is to solve the problem of quality prediction in the equipment production process and provide a method to deal with abnormal data and solve the problem…

Constructing interval models using neural networks with non-additive combinations of grey prediction models in tourism demand

Peng Jiang, Yi-Chung Hu

In contrast to point forecasts, interval forecasts provide information on future variability. This research thus aimed to develop interval prediction models by addressing two…

A novel discrete grey model with time-delayed power term and its application in solar power generation volume forecasting

Ye Li, Xue Bai, Bin Liu, Yuying Yang

In order to accurately forecast nonlinear and complex characteristics of solar power generation in China, a novel discrete grey model with time-delayed power term (abbreviated as …

Fractional order interval optimization method based on perturbation bound and gamma function of a non-equidistant ROGM

Yufeng Lian, Wenhuan Feng, Pai Li, Qiang Lei, Haitao Ma, Hongliang Sun, Binglin Li

The purpose of this paper is to propose a fractional order optimization method based on perturbation bound and gamma function of a DGM(r,1).

Parameter estimation for grey system models: gradient matching versus integral matching

Baolei Wei, Naiming Xie, L.U. Yang

The cumulative sum (Cusum) operator, also referred to as accumulating generation operator, is the fundamental of grey system models and proves to be successful in various…

Electric supply and demand forecasting using seasonal grey model based on PSO-SVR

Xianting Yao, Shuhua Mao

Given the effects of natural and social factors, data on both the supply and demand sides of electricity will produce obvious seasonal fluctuations. The purpose of this article is…

The method and its applications of determining possibility function of grey set

Li Li, Xican Li

Grey set is the important foundation of the grey mathematics and grey system theory, and the possibility function is the way of expressing grey set. This paper aims to establish…

Study on the symbiotic development path of traditional villages in the county based on the grey relation analysis: the case of Xunxian County in Henan, China

Changzheng Gao, Juepin Hou, Jian Gong

Abundance of cultural resources is a typical feature of traditional villages. It is particularly important to explore the development path of traditional villages from the…