[1]姚杰,朱永红.一种基于非线性系统的直接加权优化辨识算法[J].华侨大学学报(自然科学版),2013,34(1):49-55.[doi:10.11830/ISSN.1000-5013.2013.01.0049]
 YAO Jie,ZHU Yong-hong.Research of a Kind of Direct Weight Optimization Identification Algorithm Based on Nonlinear System[J].Journal of Huaqiao University(Natural Science),2013,34(1):49-55.[doi:10.11830/ISSN.1000-5013.2013.01.0049]
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一种基于非线性系统的直接加权优化辨识算法()
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《华侨大学学报(自然科学版)》[ISSN:1000-5013/CN:35-1079/N]

卷:
第34卷
期数:
2013年第1期
页码:
49-55
栏目:
出版日期:
2013-01-20

文章信息/Info

Title:
Research of a Kind of Direct Weight Optimization Identification Algorithm Based on Nonlinear System
文章编号:
1000-5013(2013)01-0049-07
作者:
姚杰 朱永红
景德镇陶瓷学院 机械电子工程学院, 江西 景德镇 333403
Author(s):
YAO Jie ZHU Yong-hong
School of Mechanical and Electronic Engineering, Jingdezhen Ceramic Institute, Jingdezhen 333403, China
关键词:
系统辨识 非线性系统 权重值 最优化问题 迭代
Keywords:
system identification nonlinear system weights value optimization problems iterative choose
分类号:
TP273
DOI:
10.11830/ISSN.1000-5013.2013.01.0049
文献标志码:
A
摘要:
对于非线性系统的直接加权优化辨识算法,通过在原线性仿射函数形式中增加若干项关于输入观测数据序列的线性项,来增强逼近非线性,减少逼近的时间.对于增加若干线性项后展开式中的未知权重值的选取,分别从理论和实用上推导出这些未知权重值的选取过程.理论上的推导分析,可明确增加的未知权重值在整个逼近非线性系统的目的中起着辅助作用;实用上的推导分析,将某些复杂的最优化问题经过整理变换成常见的最优化问题,从而可利用最为基础的优化方法来求解.
Abstract:
As for the direct weighted optimization identification algorithm in the nonlinear system, enhancing approximate nonlinear and reducing approximate time can be realized by increasing several items about the linear items of input observed sequence in the original linear affine-functions. As for the unknown weights selection in expansion equation after increasing several linear items, this paper deduced the selection process of these unknown weight value from the theory and practical angle respectively.Theoretical analysis can increase definitely auxiliary role of unknown weights in the purpose of approximate nonlinear system;On the practical analysis is showing how to transform the complicated optimization problems to the common optimization problems and finally the based optimization solution can be used to solve these problems.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2012-06-15
通信作者: 姚杰(1982-),男,讲师,主要从事模式识别、系统辨识的研究.E-mail:njyaojie@yahoo.com.cn.
基金项目: 国家自然科学基金资助项目(61164014)
更新日期/Last Update: 2013-01-20