Active control of acoustic and structural intensities of a submerged elastic plate

1999 ◽  
Vol 105 (2) ◽  
pp. 1300-1300
Author(s):  
Matthias Fischer ◽  
Sabih I. Hayek
Keyword(s):  
Active Control ◽  
Elastic Plate

scholarly journals Active control of structural intensity in an elastic plate

1995 ◽  
Vol 97 (5) ◽  
pp. 3331-3331 ◽  
Author(s):  
S. I. Hayek ◽  
M.‐Y. Nam ◽  
S. Sommerfeldt
Keyword(s):  
Active Control ◽  
Elastic Plate ◽  
Structural Intensity

scholarly journals Design of a Hydraulic Actuator for Active Control of Rotating Machinery

1991 ◽  
Author(s):  
Majid Rashidi ◽  
Eliseo Dirusso
Keyword(s):  
Active Control ◽  
Optimum Design ◽  
Elastic Plate ◽  
Electromagnetic Force ◽  
Characteristic Number ◽  
Rotating Machinery ◽  
Thin Elastic Plate ◽  
Hydraulic Actuator ◽  
Nominal Pressure ◽  
Hydraulic Servo

A Hydraulic actuator was designed and is described herein. This actuator consists of: a pump which generates the nominal pressure, a hydraulic servo-valve, and a thin elastic plate which transduces the generated pressure variations into forces acting on a mass which simulates the bearing of a rotor system. An actuator characteristic number is defined to provide a base for an optimum design of force actuators with combined weight, frequency, and force considerations. This characteristic number may also be used to compare hydraulic and electromagnetic force actuators. In tests this actuator generated 182.3 Newton force at a frequency of 100. Hz. and a displacement amplitude of 5.8×10−5 meter.

Design of a Hydraulic Actuator for Active Control of Rotating Machinery

1993 ◽  
Vol 115 (2) ◽  
pp. 336-340 ◽  
Author(s):  
M. Rashidi ◽  
E. Dirusso
Keyword(s):  
Active Control ◽  
Optimum Design ◽  
Elastic Plate ◽  
Electromagnetic Force ◽  
Characteristic Number ◽  
Rotating Machinery ◽  
Rotor System ◽  
Thin Elastic Plate ◽  
Hydraulic Actuator ◽  
Nominal Pressure

A hydraulic actuator was designed and is described herein. This actuator consists of: a pump, which generates the nominal pressure, a hydraulic servovalve, and a thin elastic plate, which transduces the generated pressure variations into forces acting on a mass, which simulates the bearing of a rotor system. An actuator characteristic number is defined to provide a base for an optimum design of force actuators with combined weight, frequency, and force considerations. This characteristic number may also be used to compare hydraulic and electromagnetic force actuators. In tests this actuator generated 182.3 N force at a frequency of 100. Hz. and a displacement amplitude of 5.8×10−5 m.

Numerical simulation of active control with on‐line system identification on sound transmission through an elastic plate

1996 ◽  
Vol 99 (5) ◽  
pp. 2947-2954 ◽  
Author(s):  
Shozo Koshigoe ◽  
Allen Teagle ◽  
Ching‐Hsu Tsay ◽  
Shin Morishita ◽  
Soichro Une
Keyword(s):  
Numerical Simulation ◽  
System Identification ◽  
Active Control ◽  
Elastic Plate ◽  
Sound Transmission ◽  
Line System ◽  
On Line

Active control of structural intensity in an infinite elastic plate

1998 ◽  
Vol 104 (3) ◽  
pp. 1851-1851
Author(s):  
Sabih I. Hayek ◽  
Jungyun Won ◽  
Giman Kim
Keyword(s):  
Active Control ◽  
Elastic Plate ◽  
Structural Intensity
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