Constructive algorithm for fully connected cascade feedforward neural networks

被引:41
|
作者
Qiao, Junfei [1 ,3 ]
Li, Fanjun [1 ,2 ,3 ]
Han, Honggui [1 ,3 ]
Li, Wenjing [1 ,3 ]
机构
[1] Beijing Univ Technol, Coll Elect Informat & Control Engn, Beijing 100124, Peoples R China
[2] Univ Jinan, Sch Math Sci, Shandong 250022, Peoples R China
[3] Beijing Key Lab Computat Intelligence & Intellige, Beijing 100124, Peoples R China
基金
中国国家自然科学基金; 中国博士后科学基金;
关键词
Constructive algorithm; Feedforward neural network; Cascade correlation network; Convergence; Orthogonal least squares; EXTREME LEARNING-MACHINE; APPROXIMATION;
D O I
10.1016/j.neucom.2015.12.003
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
In this paper, a novel constructive algorithm, named fast cascade neural network (FCNN), is proposed to design the fully connected cascade feedforward neural network (FCCFNN). First, a modified index, based on the orthogonal least square method, is derived to select new hidden units from candidate pools. Each hidden unit leads to the maximal reduction of the sum of squared errors. Secondly, the input weights and biases of hidden units are randomly generated and remain unchanged during the learning process. The weights, which connect the input and hidden units with the output units, are calculated after all necessary units have been added. Thirdly, the convergence of FCNN is guaranteed in theory. Finally, the performance of FCNN is evaluated on some artificial and real-world benchmark problems. Simulation results show that the proposed FCNN algorithm has better generalization performance and faster learning speed than some existing algorithms. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码:154 / 164
页数:11
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