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Experimental Study of Active Vibration Suppression of Flexible Structure using Modular Control Patch

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Author
Song, Gangbing
Schmidt, Steve P.
Agrawal, Brij N.
Date
1998-03
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Abstract
This paper presents experimental results of vibration suppressicln of a flexible structure using a miniaturized digital controller, called Modular Control Patch (MCP). The h4CP employs a TIC30 digital signal processor and was developed by TRW for the United States Air Force for future space vibration control. In this research, the MCP is used to implement different control algorithms for vibration suppression of a cantilevered aluminum beam with piezoceramic sensors and actuators. Positive Position Feedback (PPF) control, Strain Rate Feedback (SRF) control, and their combinations were implemented. Expenments found that PPF control is most effective for single- mode vibration suppression, and two PPF filters in parallel are most effective for multi-mode vibration suppression. Further experiments demonstrated the robustness of PPF control. PPF can achieve effective vibration suppression when there is a 20% error in modal frequency.
Description
The article of record as published may be found at http://dx.doi.org/10.1109/AERO.1998.686818
Rights
This publication is a work of the U.S. Government as defined
in Title 17, United States Code, Section 101. As such, it is in the
public domain, and under the provisions of Title 17, United States
Code, Section 105, is not copyrighted in the U.S.
URI
http://hdl.handle.net/10945/34533
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  • Faculty and Researchers' Publications
  • Spacecraft Research and Design Center Publications

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    Vibration Reduction for Flexible Spacecraft Attitude Control Using PWPF Modulator and Smart Structures 

    Song, Gangbing; Agrawal, Brij N. (1999);
    This paper presents a new approach to vibration reduction of flexible spacecraft during attitude control by using Pulse Width Pulse Frequency (PWPF) Modulator for thruster firing and smart materials for active vibration ...
  • Thumbnail

    Vibration Suppression of a Spacecraft Flexible Appendages Using Smart Material 

    Meyer, J.; Harrington, W.; Agrawal, B.N.; Song, G. (1998);
    This paper presents the results of positive position feedback (PPF) control and linear–quadratic Gaussian (LQG) control for vibration suppression of a flexible structure using piezoceramics. Experiments were conducted on ...
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    Spacecraft Vibration Using Pulse-Width Pulse-Frequency Modulated Input Shaper 

    Song, G.; N. Buck; Agrawal, B.N. (1997);
    Minimizing vibrations of a exible spacecraft actuated by on-off thrusters is a challenging task. This paper presents the rst study of pulse-width pulse-frequency modulated thruster control using command input shaping. ...
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