Numerical Solutions Of Heat Diffusion Equation Over One Dimensional Rod Region

Makhtoumi, Mehran

doi:10.5281/zenodo.1068277

2017

DOI: 10.5281/zenodo.1068277

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Numerical Solutions Of Heat Diffusion Equation Over One Dimensional Rod Region

Mehran Makhtoumi¹

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2018

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Active Vibration Control of Launch Vehicle on Satellite Using Piezoelectric Stack Actuator

Makhtoumi¹

2018

Preprint

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Satellites are subject to various severe vibration during different phases of flight. The concept of satellite smart adapter is proposed in this study to achieve active vibration control of launch vehicle on satellite. The satellite smart adapter has 18 active struts in which the middle section of each strut is made of piezoelectric stack actuator. Comprehensive conceptual design of the satellite smart adapter is presented to indicate the design parameters, requirements and philosophy applied which are based on the reliability and durability criterions to ensure successful functionality of the proposed system. The coupled electromechanical virtual work equation for the piezoelectric stack actuator in each active strut is drived by applying D'Alembert's principle. Modal analysis is performed to characterize the inherent properties of the smart adapter and extraction of a mathematical model of the system. Active vibration control analysis was conducted using fuzzy logic control with triangular membership functions and acceleration feedback. The control results conclude that the proposed satellite smart adapter configuration which benefits from piezoelectric stack actuator as elements of its 18 active struts has high strength and shows excellent robustness and effectiveness in vibration suppression of launch vehicle on satellite.

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Active Vibration Control of Launch Vehicle on Satellite Using Piezoelectric Stack Actuator

Makhtoumi¹

2018

Preprint

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Numerical Solutions Of Heat Diffusion Equation Over One Dimensional Rod Region

Cited by 1 publication

References 1 publication

Active Vibration Control of Launch Vehicle on Satellite Using Piezoelectric Stack Actuator

Active Vibration Control of Launch Vehicle on Satellite Using Piezoelectric Stack Actuator

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