Research Article
May 1975
Optimization in Trusses Using Optimal Control Theory
Publication: Journal of the Structural Division
Volume 101, Issue 5
Abstract
A method is given for the optimum design of linearly elastic trusses which can be partitioned into a series of statically determinate substructures. In the case of such structures the design problem is formulated as a problem in optimal control theory. The member areas of substructures are treated as control variables and the interacting forces between substructures are taken as the state variables. Transformation equations for state variables are derived using equilibrium and displacement compatibility conditions. The design problem is envisaged as a problem of determining optimal controls to minimize the weight of the truss. This necessitates the solution of a number of smaller problems in sequence, instead of a single problem of larger dimension. Solution of the resulting optimal control problem can be obtained using the method of local variations.
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Published In
Journal of the Structural Division
Volume 101 • Issue 5 • May 1975
Pages: 1037 - 1051
Copyright
© 1975 American Society of Civil Engineers.
History
Published in print: May 1975
Published online: Feb 1, 2021
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Narasingam M. Singaraj
Lect. in Civ. Engrg., Coll. of Engrg., Guindy, Madras, India
Jawalker K. Sridhar Rao, AM.ASCE
Project Coordinator, Housing, Urbanization and Construction Tech., National Committee on Sci. and Tech., Government of India, New Delhi, India
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.