Abstract and Applied Analysis

Feedforward and Feedback Control Performance Assessment for Nonlinear Systems

Zhiguo Wang and Jun Chen

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Abstract

A performance assessment method for nonlinear feedforward and feedback control systems is proposed in this paper. First, the existence of minimum variance performance bound for two nonlinear systems with different structures is analyzed, and the closed-loop model of nonlinear system is obtained with the help of iterative orthogonal least squares identification method. Then, the technology of variance analysis is introduced to establish the variance contributions due to both disturbances and controller. A nonlinear performance index for the feedforward and feedback control systems is estimated using an ANOVA-like variance decomposition method. Finally, a meaningful example is simulated to show the effectiveness of our method.

Article information

Source
Abstr. Appl. Anal., Volume 2014, Special Issue (2013), Article ID 597805, 12 pages.

Dates
First available in Project Euclid: 6 October 2014

Permanent link to this document
https://projecteuclid.org/euclid.aaa/1412605751

Digital Object Identifier
doi:10.1155/2014/597805

Mathematical Reviews number (MathSciNet)
MR3200789

Citation

Wang, Zhiguo; Chen, Jun. Feedforward and Feedback Control Performance Assessment for Nonlinear Systems. Abstr. Appl. Anal. 2014, Special Issue (2013), Article ID 597805, 12 pages. doi:10.1155/2014/597805. https://projecteuclid.org/euclid.aaa/1412605751


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