Numerical Method for Predicting the Sound Reduction Index of a Double Panel Including an Active Control System and Porous Material

2011 ◽  
Vol 97 (4) ◽  
pp. 569-578 ◽  
Author(s):  
Azzedine Sitel ◽  
Catherine Guigou-Carter ◽  
Philippe Jean
Keyword(s):  
Control System ◽  
Porous Material ◽  
Numerical Method ◽  
Active Control ◽  
Active Control System ◽  
Sound Reduction ◽  
Reduction Index

scholarly journals Passat: A Cubesat Student Design Project For Active Control System Development And Verification

2020 ◽  
Author(s):  
Daniel Rooney ◽  
Mathew Roseman ◽  
Charles Shotridge ◽  
Jeffrey Aschenbrenner ◽  
Sanjay Jayaram
Keyword(s):  
Control System ◽  
Active Control ◽  
System Development ◽  
Design Project ◽  
Active Control System

APPLICATION OF ELASTIC DEFORMATIONS TO PARABOLOIDAL SURFACE MAKING

2020 ◽  
Vol 3 ◽  
pp. 11-19
Author(s):  
A.V. NEMENKO ◽  
M.M. NIKITIN
Keyword(s):  
Control System ◽  
Active Control ◽  
Material Removal ◽  
Spherical Surface ◽  
Parabolic Mirror ◽  
Concave Mirror ◽  
Elastic Deformations ◽  
Elastic Bending ◽  
Active Control System ◽  
The Given

The transformation of a spherical concave mirror into a parabolic one with the help of elastic bending deformations is considered. The magnitude and direction of the load, which creates the necessary bend for transforming the mirror with the given parameters, are determined. Uneven material removal during machining is replaced by the bend of an optically accurate spherical surface already obtained. The application of the results to the creation of an active control system for the shaping of the surface of a paraboloid of rotation is considered. The proposed finishing technology is aimed at solving the problem of guaranteed obtaining optically accurate surface of a parabolic mirror.

Active control system for a rotor blade trailing-edge flap

2000 ◽  
Author(s):  
Marc Duvernier ◽  
Livier Reithler ◽  
Jean Y. Guerrero ◽  
Rinaldo A. Rossi
Keyword(s):  
Control System ◽  
Active Control ◽  
Rotor Blade ◽  
Trailing Edge ◽  
Trailing Edge Flap ◽  
Active Control System
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