Interactive Identification Method for Box-Jenkins Models
This paper converts a Box-Jenkins model into two identification submodels with the system model parameters and the noise model parameters, respectively. However, the information vectors in the submodels contain unmeasurable variables, which leads the conventional recursive least squares algorithm impossible to generate the parameter estimates. In order to overcome this difficulty, the interactive least squares algorithm is derived by using the auxiliary model identification idea and the hierarchical identification principle. The simulation results indicate that the proposed algorithm has less computational burden and more accurate parameter estimation compared with the auxiliary model based recursive generalized extended least squares algorithm.
Parameter estimation interactive Box-Jenkins models auxiliary model hierarchical identification
Li Xie Huizhong Yang Feng Ding
Control Science and Engineering Research Center, Jiangnan University,Wuxi, P.R.China 214122
国际会议
无锡
英文
163-169
2010-09-17(万方平台首次上网日期,不代表论文的发表时间)