نتایج جستجو برای: grey theory

تعداد نتایج: 800616  

2010
Du Jing Daoliang Li Hongwen Li Lifeng Shen

Grey system theory has been widely applied to many domains such as economy, biology, agriculture, control and so on. Based on the theory of grey system, this paper established GM(1,1) grey predict modeI for the first time to forecast Chinese every hundred rural households owned computers and every hundred rural households owned mobile phone. The predicting results are almost close to the actual...

2012
Jianwen Zhang Mengzeng Cheng Xu Cai

Short-term wind speed forecasting is useful for power system to regulate power dispatching plan, decrease reserve power needed and increase the reliability of system. The method of the short-term wind speed prediction is proposed in this paper. The data of wind speed in Dafeng, Jiangsu Province of China is predicted by the model combined with the grey system theory (GST). A grey system model co...

2009
Rui Liu Xiaolei Li

The grey system theory studies the uncertainty of small sample size problems. This paper using grey system theory in the deformation monitoring field, based on analysis of present grey forecast models, developed the spatial multi-point model. By using residual modification, the spatial multi-point residual model was developed in further study. Then, combined with the sedimentation data of Xiaol...

Journal: :JCP 2013
Ting Han Shoushan Luo Hongliang Zhu Yang Xin Yong Peng

The trust solutions to routing networks are faced with the evaluation of behavior trust and how to exactly evaluate the behaviors under the circumstance of existing recommend deceptive behavior such as providing fake or misleading recommendation. In this paper, by learning trust relationship from routing network, a trust evaluation model based on Grey Clustering Theory is proposed. The model ad...

2010
Ninoslav Slavek Alan Jović

The heptathlon is a track and field athletics combined events contest made up of seven events. There is the women's (outdoor) and the men's (indoor) heptathlon. In this paper, the women's heptathlon rules that are the same as the men's decathlon rules will be analyzed. The heptathlon is a women's sporting event, designed to be the female counterpart for the men's decathlon. Like other combined ...

2009
Omid Jadidi Tang Sai Hong Fatemeh Firouzi Rosnah Mohd Yusuff

Supplier selection is a multi-attribute decision making (MADM) problem that is affected by quantitative and qualitative factors, some of which may conflict with each other. Since most of the input information is not known accurately, selecting the right suppliers becomes more difficult. Grey theory is one of the new mathematical methods used to analyze systems with uncertain and incomplete info...

2016
QIYUAN LIU Qiyuan LIU Dejie YU

Grey system is a theory which specially studies poor information, and it possesses wide suitability. The parameters of multivariable grey FMGM(1,n) model with the fractional order accumulation can reflect the restricted and affected multi-variables relation with one another. We start by constructing background values based on vector continued fractions theory by using rational interpolation wit...

Journal: :Informatica, Lith. Acad. Sci. 2013
Qiang Wu

Grey numbers facilitate the representation of uncertainty not only for elements of a set, but also the set itself as a whole. This paper utilizes the notion of possibility degree from grey system theory coupled with the idea of dominance relation and partial order set (poset) from rough theory to represent uncertain information in a manner that maintains the degree of uncertainty of information...

2014
Babatunji Omoniwa

Grey relational analysis (GRA) is a vital instrument suitable for optimal selection which can be used for modelling, forecasting and decision making. Grey theory gives reliable solution of systems in which the model is poor with little or incomplete information. This paper aims to use GRA for solving Multi Criteria Robot Selection Problems (MCRSPs). In this paper, GRA steps are implemented usin...

2006
Sifeng Liu Yi Lin

Inevitably, reading is one of the requirements to be undergone. To improve the performance and quality, someone needs to have something new every day. It will suggest you to have more inspirations, then. However, the needs of inspirations will make you searching for some sources. Even from the other people experience, internet, and many books. Books and internet are the recommended media to hel...

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