Abstract
Error analysis and estimation of the second order extended state observer(ESO) were done by non-continuous piecewise Lyapunov function, and the system stability were proved by multiple Lyapunov function method. Several improvements has been made to the existing error analysis as follows: considering the complete form of the fal function in the error analysis; choosing the non-continuous piecewise Lyapunov function to get better choose rule of parameters; giving the judging criteria of error convergence for the ESO with different parameters and the convergence value of the error.
| Original language | English |
|---|---|
| Pages (from-to) | 143-147 |
| Number of pages | 5 |
| Journal | Jilin Daxue Xuebao (Gongxueban)/Journal of Jilin University (Engineering and Technology Edition) |
| Volume | 40 |
| Issue number | 1 |
| State | Published - Jan 2010 |
Keywords
- Automatic control technology
- Error analysis
- Extended state observer(ESO)
- Multiple Lyapunov function
- Piecewise Lyapunov function
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