Title :
Improving the linearity of piezoelectric ceramic actuators
Author :
Newcomb, C.V. ; Flinn, I.
Author_Institution :
Philips Research Laboratories, Redhill, UK
Abstract :
It is shown that the linearity of a piezoelectric ceramic actuator may be greatly improved if the applied electric charge, rather than the applied voltage, is varied to control the extension. Hysteresis is virtually eliminated.
Keywords :
ceramics; electric actuators; piezoelectric devices; charge drive; extension control; linearity; piezoelectric ceramic actuators;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19820301
