Abstract
This paper focuses on the dynamics and control of piezoactuators (PEAs) for high-speed large-range scanning applications. Firstly, the nonlinear hysteresis is modeled by using a modified Maxwell resistive capacitor (MRC) model. Secondly, an inverse-based feedforward controller is proposed for this application with hysteresis compensation. Then, the scanning trajectories are preshaped by treating the hysteresis-compensated PEA as a linear system. Finally, experiments are conducted to verify the effectiveness of the proposed approaches.
| Original language | English |
|---|---|
| Article number | 015015 |
| Journal | Smart Materials and Structures |
| Volume | 23 |
| Issue number | 1 |
| DOIs | |
| State | Published - Jan 2014 |
Keywords
- hysteresis compensation
- open-loop control
- piezoactuator (PEA)
- scanning application
- trajectory preshaping
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