Open Access
Table 4
The relative error of the estimated disturbance with MN using PZT1.
| Disturbance | The relative error ε | ||
|---|---|---|---|
| PI-Müller without MN | PI-Müller with MN | PI-Kalman with MN | |
| Step disturbance time 0–1 s |
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| Cosine disturbance time 0–2 s |
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