Abstract
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.
| Original language | English |
|---|---|
| Pages (from-to) | 114-117 |
| Number of pages | 4 |
| Journal | Journal of Dynamic Systems, Measurement and Control, Transactions of the ASME |
| Volume | 125 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - Mar 2003 |
Keywords
- Disturbance attenuation
- Harmonic disturbances
- Nonlinear systems
- Passivity
- Stability
ASJC Scopus subject areas
- Control and Systems Engineering
- Information Systems
- Instrumentation
- Mechanical Engineering
- Computer Science Applications
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