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The suppression of a dynamic instability of an elastic body using feedback control

Publication ,  Journal Article
Kalmbach, CF; Dowell, EH; Moon, FC
Published in: International Journal of Solids and Structures
January 1, 1974

A theoretical and experimental study is made to determine the feasibility of controlling a thin cantilevered beam subject to a (nonconservative) follower force. A theoretical model is developed using the equations for a thin beam under initial stress and Galerkin's method. An experiment is constructed with the capability of using a variety of feedback loops to control a thin aluminum beam with a tip jet mounted parallel to the chord. A particular control system is chosen for study and an increase of follower force required to destabilize the beam of over 65 per cent is recorded. The theoretical results show good correlation with the experimentally determined stability boundaries and frequency variations with follower force. © 1974.

Duke Scholars

Published In

International Journal of Solids and Structures

DOI

ISSN

0020-7683

Publication Date

January 1, 1974

Volume

10

Issue

3

Start / End Page

361 / 381

Related Subject Headings

  • Mechanical Engineering & Transports
  • 09 Engineering
 

Citation

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Kalmbach, C. F., Dowell, E. H., & Moon, F. C. (1974). The suppression of a dynamic instability of an elastic body using feedback control. International Journal of Solids and Structures, 10(3), 361–381. https://doi.org/10.1016/0020-7683(74)90083-3
Kalmbach, C. F., E. H. Dowell, and F. C. Moon. “The suppression of a dynamic instability of an elastic body using feedback control.” International Journal of Solids and Structures 10, no. 3 (January 1, 1974): 361–81. https://doi.org/10.1016/0020-7683(74)90083-3.
Kalmbach CF, Dowell EH, Moon FC. The suppression of a dynamic instability of an elastic body using feedback control. International Journal of Solids and Structures. 1974 Jan 1;10(3):361–81.
Kalmbach, C. F., et al. “The suppression of a dynamic instability of an elastic body using feedback control.” International Journal of Solids and Structures, vol. 10, no. 3, Jan. 1974, pp. 361–81. Scopus, doi:10.1016/0020-7683(74)90083-3.
Kalmbach CF, Dowell EH, Moon FC. The suppression of a dynamic instability of an elastic body using feedback control. International Journal of Solids and Structures. 1974 Jan 1;10(3):361–381.
Journal cover image

Published In

International Journal of Solids and Structures

DOI

ISSN

0020-7683

Publication Date

January 1, 1974

Volume

10

Issue

3

Start / End Page

361 / 381

Related Subject Headings

  • Mechanical Engineering & Transports
  • 09 Engineering