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2013 (Vol. 5, Issue: 15)
Article Information:

Active Vibration Control of Satellite Flexible Structures during Attitude Maneuvers

Saeed Hemmati, Morteza Shahravi and Keramat Malekzadeh
Corresponding Author:  Saeed Hemmati 

Key words:  Active vibration control, smart materials, smart structures, , , ,
Vol. 5 , (15): 4029-4037
Submitted Accepted Published
January 12, 2013 February 01, 2013 April 25, 2013
Abstract:

The purpose of this study is controlling active vibration of satellite flexible structures during attitude maneuvers. A smart structure is a structure which is able to sense and control active reaction to any external factors and stimulation. As it comes from the definition of smart structures, development of this knowledge depends on the materials science development, theories and strategies for control. In materials science, smart materials are developed in such a way that they are able to sense and react in a controllable mode effectively. The smart materials are combined with conventional structures and they are used as sensors and actuators. Furthermore, smart structures subject include design, implementation methods and control systems over structures so that the control system receives signals from sensors after processing. Then, it sends signals to the actuator in order to achieve a desirable response to incoming stimuli. An issue taken into account in this monograph is active vibration control of satellite flexible structures in attitude maneuvers, which was done by the use of smart materials in satellite structure. For this purpose, a mathematical model of a satellite flexible panel was derived first. Then, a computer code was generated. Finally, by comparing the results of non-smart control and smart control, we came to this conclusion that the use of smart materials led to a decrease in the amplitude of the vibration and the reduction of the time required for damping vibrations.
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  Cite this Reference:
Saeed Hemmati, Morteza Shahravi and Keramat Malekzadeh, 2013. Active Vibration Control of Satellite Flexible Structures during Attitude Maneuvers.  Research Journal of Applied Sciences, Engineering and Technology, 5(15): 4029-4037.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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