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Improving the linearity of piezoelectric ceramic actuators
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1982
Year
Electrical EngineeringEngineeringPiezoelectric NanogeneratorsPiezoelectric Ceramic ActuatorsMechanical EngineeringMechatronicsMechanical SystemsApplied Electric ChargePiezoelectric Ceramic ActuatorApplied VoltageActuationPiezoelectric MaterialsElectronic-mechanical SystemPiezoelectric MaterialPiezoelectricityVibration Control
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.