Grey Systems: Theory and Application: Volume 11 Issue 3

Editorial

Saad Ahmed Javed

Application of a novel grey forecasting model with time power term to predict China's GDP

Chong Liu, Wanli Xie, Tongfei Lao, Yu-ting Yao, Jun Zhang

Gross domestic product (GDP) is an important indicator to measure a country's economic development. If the future development trend of a country's GDP can be accurately predicted…

Analysing and forecasting China containerized freight index with a hybrid decomposition–ensemble method based on EMD, grey wave and ARMA

Yanhui Chen, Bin Liu, Tianzi Wang

This paper applied grey wave forecasting in a decomposition–ensemble forecasting method for modelling the complex and non-linear features in time series data. This application…

Forecasting China's energy intensity by using an improved DVCGM (1, N) model considering the hysteresis effect

Zhaosu Meng, Xiaotong Liu, Kedong Yin, Xuemei Li, Xinchang Guo

The purpose of this paper is to examine the effectiveness of an improved dummy variables control grey model (DVCGM) considering the hysteresis effect of government policies in…

Exploitation of the advanced manufacturing machine tool evaluation model under objective-grey information: a knowledge-based cluster with the grey relational analysis approach

Zitong He, Xiaolin Ma, Jie Luo, Anoop Kumar Sahu, Atul kumar Sahu, Nitin Kumar Sahu

Advanced manufacturing machines (AMMs) are searched as a momentous asset across the manufacturing societies for quenching and addressing the production units under economical…

Research on the regional leading industry selection of “Kashgar urban agglomerations” based on multi-attribute weighted intelligent grey target decision-making evaluation model

Xiao Bai, Yan Xu, Sifeng Liu

The purpose of this paper is to establish the index system of leading industries in Kashgar urban agglomeration, and use the multi-attribute weighted intelligent grey target…

Forecasting cocoa production of six major producers through ARIMA and grey models

Tawiah Kwatekwei Quartey-Papafio, Saad Ahmed Javed, Sifeng Liu

In the current study, two grey prediction models, Even GM (1, 1) and Non-homogeneous discrete grey model (NDGM), and ARIMA models are deployed to forecast cocoa bean production of…

Similarity-based information fusion grey model for remaining useful life prediction of aircraft engines

Xiaoyu Yang, Zhigeng Fang, Xiaochuan Li, Yingjie Yang, David Mba

Online health monitoring of large complex equipment has become a trend in the field of equipment diagnostics and prognostics due to the rapid development of sensing and computing…

Study on the reliability assessment and early-warning method of online auditing based on the perspective of IT control

Wei Chen, Wally Smieliauskas, Sifeng Liu

An important issue in online auditing is how to improve the reliability of online auditing in order to reduce the overall audit risk. In this paper, a reliability assessment and…

Research and application of novel Euler polynomial-driven grey model for short-term PM10 forecasting

Xiwang Xiang, Xin Ma, Minda Ma, Wenqing Wu, Lang Yu

PM10 is one of the most dangerous air pollutants which is harmful to the ecological system and human health. Accurate forecasting of PM10 concentration makes it easier for the…

FDGM(1,1) model based on unified fractional grey generation operator

Wei Meng, Qian Li, Bo Zeng, Yingjie Yang

The purpose of this paper is to unify the expression of fractional grey accumulating generation operator and the reducing generation operator, and build the FDGM(1,1) model with…