Charge control of piezoelectric actuators to reduce hysteresis effects
US4263527A · kind A · utility
21Cited by
5References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 17, 1979 |
| Grant date | Apr 21, 1981 |
| Priority date | — |
| Expiry date | May 17, 1999 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02N2/062
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A piezoelectric actuator and a control circuit therefor to apply a charge to the actuator proportional to an input signal magnitude. The charge controlled actuator achieves a more linear input-displacement response with reduced hysteresis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.