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Control of Slewing Motions of Flexible Structures Using Shape Memory Alloy

[+] Author Affiliations
Frederic C. Janzen

UTFPR-Ponta Grossa, Ponta Grossa, PR, BrazilUNESP-Bauru, Bauru, SP, Brazil

Ângelo M. Tusset, Vinicius Piccirillo

UTFPR-Ponta Grossa, Ponta Grossa, PR, Brazil

José M. Balthazar, Bento R. de Pontes, Jr., Marcos Silveira

UNESP-Bauru, Bauru, SP, Brazil

Reyolando M. L. R. F. Brasil

UFABC, Santo André, SP, Brazil

Paper No. IMECE2014-37505, pp. V04BT04A028; 8 pages
doi:10.1115/IMECE2014-37505
From:
  • ASME 2014 International Mechanical Engineering Congress and Exposition
  • Volume 4B: Dynamics, Vibration, and Control
  • Montreal, Quebec, Canada, November 14–20, 2014
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4648-3
  • Copyright © 2014 by ASME

abstract

This paper presents the position and vibration control of a single flexible slewing structure driven by a DC motor at the slewing axis. The position is controlled over the current applied to the DC motor armature. To control the vibration of the flexible structure Shape Memory Alloys (SMA) are applied to them. The control is made through the State Dependent Ricatti Equations (SDRE) technique which uses sub-optimal control and system local stability search. Numerical simulations and experimental results are presented which demonstrate the effectiveness of the proposed control strategy.

Copyright © 2014 by ASME

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