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基于實(shí)例推理的個(gè)性化產(chǎn)品評(píng)價(jià)方法
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國(guó)家自然科學(xué)基金資助項(xiàng)目(50705087);浙江省重大科技專項(xiàng)資助項(xiàng)目(2009C11164)


Evaluation Method of Individualized Products Based on Case Reasoning
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    摘要:

    通過(guò)建立個(gè)性化產(chǎn)品評(píng)價(jià)問(wèn)題的形式化描述,給出了基于實(shí)例推理的評(píng)價(jià)模型與算法,,運(yùn)用模糊數(shù)學(xué)實(shí)現(xiàn)了實(shí)例庫(kù)的自主聚類分組,,提出了經(jīng)驗(yàn)賦權(quán)規(guī)則約束下的數(shù)學(xué)賦權(quán)法為每一個(gè)組別建立動(dòng)態(tài)權(quán)重,,采用了加權(quán)的歐幾里德距離解決相似實(shí)例的檢索問(wèn)題,,在相似實(shí)例的基礎(chǔ)上進(jìn)行修正得到最終評(píng)價(jià)結(jié)果。最后以橋式起重機(jī)產(chǎn)品的評(píng)價(jià)為例,,給出了詳細(xì)的實(shí)現(xiàn)步驟,,證明了該方法的有效性,。

    Abstract:

    The problems of the individualized product evaluation were formalized, and a product evaluation model with algorithms based on case reasoning was proposed. The case library was divided into groups through fuzzy clustering analysis, and different groups had different dynamic weights by mathematical calculation under the constraints of experience rules. The program flow chart of the algorithm of evaluation parameter weights optimization was presented. Euclidean distance with weights was adopted to search a similar instance. The final result of product evaluation was adjusted based on the similar instance. The proposed methodology demonstrated the effectiveness in an instance of the evaluation of crane products.

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包志炎,肖剛,高飛,阮曙峰.基于實(shí)例推理的個(gè)性化產(chǎn)品評(píng)價(jià)方法[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2011,42(9):197-201,196. Bao Zhiyan, Xiao Gang, Gao Fei, Ruan Shufeng. Evaluation Method of Individualized Products Based on Case Reasoning[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(9):197-201,196.

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