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The Study of a Novel Mixed FCM Clustering and Using in the Index of Engine CBR Design System

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5 Author(s)
Yan Wei ; Sch. of Power Eng., Shan Dong Univ., Jin Nan, China ; Gao Qi ; Liu Zhenggang ; Zhang Shanhui
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Rapid and accurate search similar case is the key of establishing CBR engine design system. In order to enhance the search speed, a novel mixed FCM clustering is used to establish category index of CBR engine design system. Firstly, because date type of engine general parameters includes quantitative, Boolean and categorical data, categorized concept tree is used to quantify category parameters and present the measure of mixed similarity. Secondly, because traditional fuzzy C mean (FCM) algorithm easy get into local best solution, calculate slowly and is obviously influenced by noise data, this paper combines ant colony algorithm and FCM, uses ant transition probability as initial value of membership matrix to calculate center and adopts calculated center to initialize FCM center. Experiment results show improved FCM clustering algorithm can increase search efficiency obviously. Finally, the engine design system is established based on improved FCM algorithm and is utilized during engine design process.

Published in:

Computer Modeling and Simulation, 2010. ICCMS '10. Second International Conference on  (Volume:3 )

Date of Conference:

22-24 Jan. 2010