7NEWCOMB C V. Improving the linearity of piezoelectric ceramic actuators. Electronics Letters. 1982,18 ( 11 ) :442 - 443.
8RONKANEN P,KALLIO P. Current control of piezoelectric actuator with power loss compensation. Proceedings of the 2002 IEEE/ RSJ, 2002:1948 - 1952.
9FURUTANI K, URUSHIBATA M. Displacement control of piezoelectric element by feedback of induced charge. Nanotechnology, 1998,9 (7) :93 -98.
10KIM D W,BOURIM E M,JEONG S H,et al. Piezoelectric electron emissions and domain inversion of LiNbO3 single crystals, physica B: 2004,352 ( 1 ) :200 - 205.
