全文下载: 202101001.pdf
文章编号: 16726987(2021)01000113; DOI: 10.16351/j.16726987.2021.01.001
丁锋1,2, 刘喜梅2(1.江南大学 物联网工程学院,江苏 无锡 214122; 2.青岛科技大学 自动化与电子工程学院,山东 青岛 266061)
摘要: 针对输出误差系统,利用迭代搜索原理,研究了辅助模型梯度迭代算法、辅助模型最小二乘迭代算法、辅助模型多新息梯度迭代算法、辅助模型多新息最小二乘迭代算法;利用递阶辨识原理,研究了辅助模型递阶梯度迭代算法、辅助模型递阶多新息梯度迭代算法、辅助模型递阶最小二乘迭代算法、辅助模型递阶多新息最小二乘迭代算法等。这些辨识方法可以推广到有色噪声的随机系统中。
关键词: 参数估计; 迭代辨识; 辅助模型辨识; 多新息辨识; 递阶辨识
中图分类号: TP 273文献标志码: A
引用格式: 丁锋, 刘喜梅. 传递函数辨识(18): 输出误差模型的辅助模型递阶迭代参数估计[J]. 青岛科技大学学报(自然科学版), 2021, 42(1): 113.
DING Feng, LIU Ximei. Transfer function identification. Part R: Auxiliary model hierarchical iterative parameter estimation for outputerror models[J]. Journal of Qingdao University of Science and Technology(Natural Science Edition), 2021, 42(1): 113.
Transfer Function Identification. Part R: Auxiliary Model Hierarchical Iterative
Parameter Estimation for OutputError Models
DING Feng1,2, LIU Ximei2
(1.School of Internet of Things Engineering, Jiangnan University, Wuxi 214122, China;
2.College of Automation and Electronic Engineering, Qingdao University of Science and Technology, Qingdao 266061, China)
Abstract: For outputerror models, this paper presents the auxiliary model gradientbased iterative algorithm, the auxiliary model least squaresbased iterative algorithm, the auxiliary model multiinnovation gradientbased iterative algorithm, and the auxiliary model multiinnovation least squaresbased iterative algorithm based on the gradient search principle, and presents the auxiliary model hierarchical gradientbased iterative algorithm, the auxiliary model hierarchical least squaresbased iterative algorithm, the auxiliary model hierarchical multiinnovation gradientbased iterative algorithm, and the auxiliary model hierarchical multiinnovation least squaresbased iterative algorithm based on the hierarchical identification principle, These methods can be extended to stochastic outputerror systems with colored noises.
Key words: parameter estimation; iterative identification; auxiliary model identification; multiinnovation identification; hierarchical identification
收稿日期: 20201212
基金项目: 国家自然科学基金项目(61873111).
作者简介: 丁锋(1963—),男,博士,“泰山学者”特聘教授,博士生导师.