Abstract
A novel drive system is described which improves the operational characteristics of piezoelectric actuators. Electronic controls to increase the range of movement across a wide temperature range usually need a temperature sensor for maximum effect. This paper describes a novel system that uses the polarization characteristics of the piezoelectric ceramic to reverse polarize the ceramic without a temperature measurement. Significant improvements in the operating temperature range for devices such as locks or valves are achieved.
| Original language | English |
|---|---|
| Article number | 5750092 |
| Pages (from-to) | 704-710 |
| Number of pages | 7 |
| Journal | IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control |
| Volume | 58 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - Apr 2011 |
| Externally published | Yes |
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