Grey Systems: Theory and Application: Volume 10 Issue 4

Sustainability evaluation of additive manufacturing processes using grey-based approach

Rohit Agrawal, Vinodh S.

Sustainable manufacturing facilitates the development of products with lower environmental impact. Additive manufacturing (AM) processes are incorporated with sustainable…

Gray clustering model based on the degree of dynamic weighted incidence for panel data and its application

Honghua Wu, Zhongfeng Qu

The paper aims to propose a clustering model for panel data. More specifically, the paper aims to construct a gray incidence model for panel data to solve the classification with…

Research on project risk response strategy selection based on grey K-shell algorithm

Yanfeng Chu, Zhongren Wang

There are a large number of interdependent risk factors in complex project. Risk response strategy without considering risk correlation cannot achieve good risk response…

Grey portfolio analysis method

Marcin Nowak, Rafał Mierzwiak, Hubert Wojciechowski, Camelia Delcea

The article proposes a new method of strategic analysis. The method was called the grey portfolio analysis method. The presented method is complementary to the popular BCG matrix…

Prediction model of three-parameter interval grey number based on kernel and double information domains

Ye Li, Sandang Guo, Juan Li

The purpose of this paper is to construct a prediction model of three-parameter interval grey number based on kernel and double information domains to expand the modeling object…

Research on faculty and staff for constructing the “double first-class” universities based on Grey–AHP comprehensive evaluation model

Jihong Sun

In order to improve the competitiveness of the “double first-class” university in China, it is essential to conduct a rational, scientific study of the current status of the staff…

Preliminary investigations of rotary ultrasonic neurosurgical bone grinding using Grey-Taguchi optimization methodology

Atul Babbar, Vivek Jain, Dheeraj Gupta

In present research work, the effects of rotational speed, feed rate and vibration amplitude have been investigated during novel method of ultrasonic-assisted bone grinding…

Uncertainty representation and information measurement of grey numbers

Nanlei Chen, Naiming Xie

The purpose of this paper is to propose an uncertainty representation and information measurement method for characterizing grey numbers, estimating their internal laws and…

Designing a medical rule model system by using rough–grey modeling

Tooraj Karimi, Arvin Hojati

In this study, a hybrid rough and grey set-based rule model is designed for diagnosis of one type of blood cancer called multiple myeloma (MM). The grey clustering method is used…

The most livable city selection in Turkey with the grey relational analysis

Erkan Kose, Danışment Vural, Gulcin Canbulut

This study has two main objectives: (1) to expand the application areas of grey system theory and (2) to select the most livable city in Turkey.

Green growth dynamics in OECD countries: an application of grey relational analysis

Deniz Koçak

Nowadays, growth is the common target of all societies. But rather than growth, it is more important to ensure the sustainability of growth. Worldwide climate changes, damages to…