Abstract
This paper deals with creep modeling and identification for the piezoelectric actuator (PEA). Creep is an essential phenomenon when a PEA operates over long periods of time. A fractional-order model is proposed by representing the PEA as resistocaptance, which is a novel approach. The simplified fractional-order PEA model results in a double-logarithmic creep. Identification methods for PEA parameters are presented. Experimental results validate the effectiveness of the proposed fractional-order creep model.
| Original language | English |
|---|---|
| Pages (from-to) | 840-847 |
| Number of pages | 8 |
| Journal | Mechatronics |
| Volume | 23 |
| Issue number | 7 |
| DOIs | |
| State | Published - Oct 2013 |
Keywords
- Creep
- Fractional-order
- Identification
- Modeling
- Nonlinearity
- Piezoelectric actuator
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