The topic of smart structures, their active control and implementation, is relatively new. Therefore, different approaches to the problem can be met. The present paper discusses variable aspects of the active control of structures. It explains the idea of smart systems, introduces different terms used in smart technique and defines the structural smartness. The author indicates differences between actively controlled structures and structural health monitoring systems and shows an example of an actively controlled smart footbridge.
The analyses presented in the study concern tensegrity structures, which are prone to the structural control through self-stress state adjustment. The paper introduces examples of structural control performed on tensegrity modules and plates. An influence of several self-stress states on displacements is analyzed and a study concerning damage due to member loss is presented.
1. W. Gilewski, A. Al Sabouni-Zawadzka, On possible applications of smart structures controlled by self-stress, Archives of Civil and Mechanical Engineering, 2014 – published on-line 16.09.2014.
2. G. Cazzulani, S. Cinquemani, L. Comolli, Enhancing Active Vibration Control Performances in a Smart Structure by Using Fiber Bragg Gratings Sensors, Proc. SPIE 8345, Sensors and Smart Structures Technologies for Civil, Mechanical and Aerospace Systems, San Diego, California 2012.
3. A.B. Strong, D.W. Jensen, Smart Structures – Impractical Or Inevitable? Presentation of Brigham Young University, 1999.
4. B. Adam, I.F.C. Smith, Learning, self-diagnosis and multi-objective control of an active tensegrity structure, Advances in Engineering Structures, Mechanics and Construction, Solid Mechanics and its Applications 140, 439-448, 2006.
5. S. Korkmaz, N. Bel Hadj Ali, I.F.C. Smith, Configuration Of Control System For Damage tolerance of a tensegrity bridge, Advanced Engineering Informatics 26, 1, 145-155, 2012.
6. L. Rhode-Barbarigos, N. Ben Hadj Ali, N. Motro, I.F.C. Smith, Designing tensegrity modules for pedestrian bridges, Engineering Structures 32, 4, 1158-1167, 2010.
7. C.M. Chang, B.F. Spencer, An Experimental Study of Active Base Isolation Control for Seismic Protection, Proc. SPIE 7647, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems, San Diego, California 2010.
8. G. Cazzulani, S. Cinquemani, L. Comolli, Enhancing Active Vibration Control Performances in a Smart Structure by Using Fiber Bragg Gratings Sensors, Proc. SPIE 8345, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems, San Diego, California 2012.
9. K.C. Lu, J.H. Wenig, C.H. Loh, Turning the building into a smart structure: Integrating health monitoring, Proc. SPIE 7292, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems, San Diego, California 2009.
10. R.E. Skelton, M.C. de Oliveira, Tensegrity Systems, London 2009.
11. R. Motro, Tensegrity: Structural Systems for the Future, Kogan Page Science, London 2003.
12. G.J.N. Juang, S. Sae-Ung, J.N. Yang, Active control of large building structures, Structural Control, H.M.E. Lipholz, ed., North-Holland, Amsterdam 1986.
13. A. Al Sabouni-Zawadzka, W. Gilewski, Control of Tensegrity Plate due to Member Loss, Proceedings of the XXIII Russian-Polish-Slovak Seminar: Theoretical Foundation of Civil Engineering, Wrocław 2014.
14. K. Wilde, Structural health monitoring systems supported by numerical models for civil engineering structures, Computer Methods in Mechanics, 17-18, Poznań 2013.
15. B.M. Phares, T.J. Wipf, U. Deza, J.P. Wacker, Development of a smart timber bridge – A five-year plan, USDA General Technical Report FPL-GTR-195, Madison 2011.
16. E.C. Eckhoff, V.M. Eller, S.E. Watkins, R.H. Hall, Interactive virtual laboratory for experience with a smart bridge test, Proc. of the 2002 American Society for Engineering Education Annual Conference & Exposition, 2012.
17. G. Akhras, Nano & Smart NDE Systems – Applications in Aerospace and Perspectives, 4th International Symposium on NDT in Aerospace, 2012.
18. W. Gilewski, A. Kasprzak, Introduction to Tensegrity Modules Mechanics, in: Theoretical Foundations of Civil Engineering, Vol. I. Mechanics of Materials and Structures, 83-94, S. Jemioło, Sz. Lutomirski, eds., OW PW, Warsaw, 2012.