Robust μ-Synthesis Control for Parameter Variations

Author:

Li Ying1,Ding Xue Gong1

Affiliation:

1. Hangzhou Vocational and Technical College

Abstract

The robust ASAC(active structure acoustic control) model for the system of structural acoustical coupling is established and the μ-synthesis design is presented in the paper. The main idea is as follows: First, the robust performance problem of this system is transformed into the robust stability problem of an augmented system. Through the robust stability controller for this augmented system is solved by the standard D-K iteration. Simulation results show that μ-controller can provide good disturbance rejection and is more robust to parameter variations.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Reference6 articles.

1. M.R. Bai, Hsinhong Lin: Plant uncertainty analysis in a duct active noise control problem by using the H∞ theory. Journal of the Acoustics Society of American, , 104(1): 237-247(1998).

2. M. r. Bai,Z. Lin. Active Noise Cancellation for a Three-Dimensional Enclosure by Using Multiple-Channel Adaptive Control and H∞ control. Transaction of the ASME, Journal o Vibration and Acoustics, 120: 958-964(1998).

3. LI Pu, SUN Qinhong, CHEN Nan:. The H~∞ control experiment study for structure-acoustic system,ACTA ACUSTICA, 25(5): 472-475 (2000).

4. Li Pu , ChenLan Sun,: Qinhong. Robust H~∞ Control for Active Structure Acoustic Control System Within Enclosed Space Surrounded by Active Flexible Wall,Chinese Journal of Applied Mechanics, 18(2): 48-52(2001).

5. Doyle J C, Glover K, State-Space solution to standard H2 and H∞ control problems. In: ACC'88. Atlanta,: 817-823(1988).

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