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科技與工程學院
電機工程學系
教師著作
教師著作
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http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/31268
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search.filters.author.張貞觀
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search.filters.author.王偉彥
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search.filters.subject.基因演算法
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search.filters.subject.Genetic algorithm (GA)
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search.filters.subject.Neural network
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search.filters.subject.Nonlinear function
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search.filters.subject.Optimization
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search.filters.subject.Simulation
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最佳化B-spline神經網路近似非線性函數-使用基因演算法
(
2003-03-14
)
張貞觀
;
王偉彥
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在本文中,吾人提出一種利用最佳化B-spline類神經網路來近似非線性函數的方法。傳統的B-spline函數是固定基礎函數,然而本文是利用基因演算法來對 B-spline類神經網路的基礎函數及控制點做最佳化的調整。而且基因演算法可以藉由突變的運算,跳脫一般學習法則(如梯度下降法)在學習過程中可能會落入區域極值,無法找到系統的最佳值的問題。染色體由實數的方式組成,包括了B-spline類神經網路中的Knot向量及控制點。藉著B-spline區間調整的特性,使系統作細微的調整。最後以模擬例子驗證本論文方法的功效。
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