Circuit Arrangement and Method for Actuating a Piezo Valve

A piezo valve is actuated by way of at least one actuator which is formed by a piezoelectric bender transducer (12) having two piezo actuators (14, 16). An actuating method has the steps of generating an actuator control signal (out), which can be output at either one of the two piezo actuators (14,...

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Bibliographische Detailangaben
Hauptverfasser:	KRAMMEL KARL, EBEL MARTIN, BECK STEFAN, SENSCHE CARSTEN, BEUSCHEL MICHAEL
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ELECTRICITY ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	A piezo valve is actuated by way of at least one actuator which is formed by a piezoelectric bender transducer (12) having two piezo actuators (14, 16). An actuating method has the steps of generating an actuator control signal (out), which can be output at either one of the two piezo actuators (14, 16), depending on at least one actuating control signal (in), of detecting an electric measurement quantity at one of the piezo actuators (14, 16) which is currently not controlled (16), and of generating a vibration damping signal (fb) on the basis of the detected measurement quantity and use thereof for active vibration damping for the currently controlled piezo actuator (14).