Optimal Control of Adaptive/Smart Bridge Structures
Publication: Journal of Structural Engineering
Volume 123, Issue 2
Abstract
Through the use of active controllers, a structure can modify its behavior during dynamic loadings such as impact, wind, or earthquake loadings. Such structures with self-modification capabilities are called smart structures. The smart-structure technology will have enormous consequences in terms of preventing loss of life and damage to structure and its content specially for large structures with hundreds of members. In this paper, a computational model is presented for active control of large adaptive structures subjected to dynamic loadings such as impact, wind, and earthquake loadings. The governing differential equations of the open-loop and closed-loop systems are formulated, and a recursive approach is presented for computing the response of the structure. A robust parallel-vector algorithm is developed for the recursive solution of the response of the open-loop and closed-loop systems. The computational model is applied to active control of large bridge structures. Three different schemes are investigated for optimal placement of controllers in bridge structures. Results are presented for three types of bridge structures: single-span, multispan continuous, and curved steel-truss bridges.
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References
1.
Adeli, H. (1992a). Supercomputers in engineering analysis. Marcel Dekker, Inc., New York, N.Y.
2.
Adeli, H. (1992b). Parallel processing the computational mechanics. Marcel Dekker, Inc., New York, N.Y.
3.
American Association of State Highway and Transportation Officials (AASHTO). (1993). Standard specifications for highway bridges, 15th Ed., Washington, D.C.
4.
American Institute of Steel Construction (AISC). (1989). Manual of steel construction-allowable stress design, 8th Ed., Chicago, Ill.
5.
Arabel, A.(1981). “Controllability measures and actuator placement in oscillatory systems.”Int. J. Control, 33(3), 565–574.
6.
Casti, J. L. (1987). Linear dynamical systems. Academic Press, New York, N.Y.
7.
Chopra, A. K. (1995). Dynamics of structures: theory and applications to earthquake engineering. Prentice-Hall, Inc., Englewood Cliffs, N.J.
8.
Dyke, S. J., Spencer, B. F. Jr., Quast, P., Kaspari, D. C. Jr., and Sain, M. K.(1996). “Implementation of an active mass driver using acceleration feedback control.”Microcomputers in Civ. Engrg., 11(5), 305–323.
9.
Furuya, H., and Haftka, R. T.(1995). “Placing actuators on space structures by genetic algorithms and effectiveness indices.”Struct. Optimization, 9(2), 69–75.
10.
Housner, G. W., Soong, T. T., and Marsi, S. F.(1996). “Second generation of the active structural control in civil engineering.”Microcomputers in Civ. Engrg., 11(5), 289–296.
11.
Khot, N. S. (1994). “Optimization of controlled structures,”Advances in design optimization, H. Adeli, ed., Chapman and Hall, London, England, 266–296.
12.
Kobori, T.(1996). “Future direction on research and development of seismic-response-controlled structure.”Microcomputers in Civ. Engrg., 11(5), 297–304.
13.
Marks II, R. J. (1993). Advanced topics in Shannon sampling and interpolation theory. Springer-Verlag, Berlin, Germany.
14.
Meirovitch, L. (1985). Introduction to dynamics and control. John Wiley & Sons, Inc., New York, N.Y.
15.
Oz, H., Farag, K. A., and Venkayya, V. B.(1990). “Efficiency of structure-control systems.”J. Guidance, Control, and Dyn., 13(3), 722–735.
16.
Sakamoto, M., Sasaki, K., and Kobori, T.(1992). “Active structural response control system.”Mechatronics, 2(5), 503–519.
17.
Saleh, A., and Adeli, H.(1994a). “Microtasking, macrotasking, and autotasking for structural optimization.”J. Aerosp. Engrg., ASCE, 7(2), 156–174.
18.
Saleh, A., and Adeli, H.(1994b). “Parallel algorithms for integrated struc-tural/control optimization.”J. Aerosp. Engrg., ASCE, 7(3), 297–314.
19.
Saleh, A., and Adeli, H.(1996). “Parallel eigenvalue algorithms for large scale control-optimization problems.”J. Aerosp. Engrg., ASCE, 9(3), 70–79.
20.
Schulz, G., and Heimbold, G.(1983). “Dislocated actuator/sensor positioning and feedback design for flexible structures.”J. Guidance, Control, and Dyn., 6(5), 361–367.
21.
Stubbs, N., and Park, S.(1996). “Optimal sensor placement for mode shapes via Shannon's sampling theorem.”Microcomputers in Civ. Engrg., 11(6), 411–419.
22.
Subramaniam, R. S., Reinhorn, A. M., Riley, M. A., and Nagarajaiah, S.(1996). “Hybrid control of structures using fuzzy logic.”Microcomputers in Civ. Engrg., 11(1), 1–17.
23.
Yang, J. N., Li, Z., Danielians, A., and Liu, S. C.(1992). “A seismic hybrid control of nonlinear and hysteretic structures—I.”Engrg. Mech., ASCE, 118(7), 1423–1440.
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Copyright © 1997 American Society of Civil Engineers.
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Published online: Feb 1, 1997
Published in print: Feb 1997
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