Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Power flow through controlled piezoelectric actuators
In this paper we investigate the power requirements of a piezoelectric actuator operating in a damping augmentation loop. When the piezoelectric actuator is driven by a current amplifier, we show that acceleration feedback augments the damping of the structure without changing the stiffness. Using this controller, we determine the real and reactive power flow through the structure and actuator into the amplifier when the structure is excited with a sinusoidal disturbance force. Estimates of the real and reactive power flow in terms of the actuator parameters are given. These estimates are useful for sizing the drive amplifier for the actuator.
Power flow through controlled piezoelectric actuators
In this paper we investigate the power requirements of a piezoelectric actuator operating in a damping augmentation loop. When the piezoelectric actuator is driven by a current amplifier, we show that acceleration feedback augments the damping of the structure without changing the stiffness. Using this controller, we determine the real and reactive power flow through the structure and actuator into the amplifier when the structure is excited with a sinusoidal disturbance force. Estimates of the real and reactive power flow in terms of the actuator parameters are given. These estimates are useful for sizing the drive amplifier for the actuator.
Power flow through controlled piezoelectric actuators
Chandrasekaran, S. (Autor:in) / Lindner, D.K. (Autor:in)
Journal of Intelligent Material Systems and Structures ; 11 ; 469-481
2000
13 Seiten, 10 Quellen
Aufsatz (Zeitschrift)
Englisch
Power Flow through Controlled Piezoelectric Actuators
| British Library Online Contents | 2000
The dynamic coupling and power flow in asymmetric piezoelectric bending actuators
| British Library Online Contents | 2007
Piezoelectric actuators for fluid-flow control [3044-11]
| British Library Conference Proceedings | 1997
Bending of piezoelectric actuators
| British Library Online Contents | 1998
Improving the Power Consumption Characteristics of Piezoelectric Actuators
| British Library Online Contents | 1994