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Grey incidence clustering method based on multidimensional dynamic time warping distance 被引量:1
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作者 Jin Dai Yi Yan Yuhong He 《Journal of Systems Engineering and Electronics》 SCIE EI CSCD 2017年第5期946-954,共9页
The traditional grey incidence degree is mainly based on the distance analysis methods, which is measured by the displacement difference between corresponding points between sequences. When some data of sequences are ... The traditional grey incidence degree is mainly based on the distance analysis methods, which is measured by the displacement difference between corresponding points between sequences. When some data of sequences are missing (inconsistency in the length of the sequences), the only way is to delete the longer sequences or to fill the shorter sequences. Therefore, some uncertainty is introduced. To solve this problem, by introducing three-dimensional grey incidence degree (3D-GID), a novel GID based on the multidimensional dynamic time warping distance (MDDTW distance-GID) is proposed. On the basis of it, the corresponding grey incidence clustering (MDDTW distance-GIC) method is constructed. It not only has the simpler computation process, but also can be applied to the incidence comparison between uncertain multidimensional sequences directly. The experiment shows that MDDTW distance-GIC is more accurate when dealing with the uncertain sequences. Compared with the traditional GIC method, the precision of the MDDTW distance-GIC method has increased nearly 30%. 展开更多
关键词 grey incidence analysis (gia) dynamic time warping (DTW) distance grey incidence clustering
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Grey Incidence Analysis Applied to Civil Aircraft Customization Process 被引量:1
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作者 Ding Songbin Ge Ruichen Wang Xiaoli 《Transactions of Nanjing University of Aeronautics and Astronautics》 EI CSCD 2016年第2期137-146,共10页
The airlines need to select the optional equipment according to their individual development demands and the manufacture′s standard specification manual when purchasing a new airplane.For this customization process,t... The airlines need to select the optional equipment according to their individual development demands and the manufacture′s standard specification manual when purchasing a new airplane.For this customization process,the selection theory is mainly based on qualitative analysis and quantitative analysis.The grey incidence analysis(GIA)is used for modeling,which evaluates the correlations between optional equipment and airlines′individual demands.Meanwhile,the customization demands are quantitatively processed as different weights in evaluation index system with analytical hierarchy process.Then,the value of grey incidence degree is obtained which shows whether the optional equipment is on the purchasing list or not.Finally,two airlines′customization demands are applied in the example of aircraft cabin′s seats,so two different purchasing priorities and equipment installation lists can be obtained.The results and comparisons verify the reasonable of modeling,which provides an objective scheme of aircraft equipment selection. 展开更多
关键词 AIRLINES grey incidence analysis (gia) CUSTOMIZATION PROCESS CIVIL aircraft equipment selection indi- vidual demand
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