Title :
Output error identification is not globally stable in the `nonideal´ case
Author :
Sethares, William A. ; Lawrence, Dale A.
Author_Institution :
Dept. of Electr. & Comput. Eng., Wisconsin Univ., Madison, WI, USA
Abstract :
The authors demonstrate that the parameter estimates of the output error identification algorithm are not necessarily globally bounded when the prediction error is corrupted by an arbitrarily small disturbance. The cause of the parameter estimate drift to infinity is an input which can be interpreted as an open-loop control to an unstable system. The disturbance could actually be vanishing
Keywords :
error analysis; parameter estimation; stability; open-loop control; output error identification algorithm; parameter estimate drift; prediction error; unstable system; Adaptive algorithm; Computer aided software engineering; Drives; Frequency; H infinity control; Parameter estimation; Predictive models; Stability;
Conference_Titel :
Decision and Control, 1988., Proceedings of the 27th IEEE Conference on
Conference_Location :
Austin, TX
DOI :
10.1109/CDC.1988.194582
