The Meaning and Accuracy of the Improving Functions in the Solution of the CBQR by Krotov’s Method

Ido Halperin ()
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Ido Halperin: The Department of Civil Engineering, Ariel University, Ariel 40700, Israel

Mathematics, 2024, vol. 12, issue 4, 1-15

Abstract: A new solution to the continuous-time bilinear quadratic regulator optimal control problem (CBQR) was recently developed using Krotov’s Method. This paper provides two theoretical results related to the properties of that solution. The first discusses the equivalent representation of the cost-to-go performance index. The second one breaks down this equivalence into smaller identities referencing the components of the performance index. The paper shows how these results can be used to verify the numerical accuracy of the computed solution. Additionally, the meaning of the improving function and the equivalent representation, which are the main elements in the discussed CBQR’s solution, are explained according to the derived notions. A numerical example of structural control application exemplifies the significance of these results and how they can be applied to a specific CBQR problem.

Keywords: optimal control; Krotov’s method; numerical accuracy; improving function; equivalent representation (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2024
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