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A harmonic disturbance observer for nonlinear systems
journal contributionposted on 24.10.2008, 09:22 authored by Wen-Hua ChenWen-Hua Chen
A nonlinear harmonic disturbance observer for nonlinear systems subject to harmonics is designed and stability of the proposed observer is established using passivity approach. A systematic procedure to choose the nonlinear gain function in the observer is proposed. The proposed nonlinear disturbance observer can be integrated with a linear/nonlinear controller to improve its disturbance attenuation ability for nonlinear systems under harmonics.
- Aeronautical, Automotive, Chemical and Materials Engineering
- Aeronautical and Automotive Engineering