Faculty Publications

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Publications by NITK Faculty

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Author: search.filters.author.Agarwal, R.P.

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    Consistency and feasibility of Haar wavelet collocation method for a nonlinear optimal control problem with application
    (World Scientific and Engineering Academy and Society, 2023) Madankar, S.R.; Setia, A.; M, M.; Agarwal, R.P.
    Haar wavelet-based numerical algorithms have recently been developed for various mathematical problems, including optimal control problems. However, no numerical algorithm is complete without its theoretical analysis. In this paper, we have shown the consistency and feasibility of the Haar wavelet-based collocation method for solving nonlinear optimal control problems that have a single state and a single control variable with constraints. The accuracy of the method has been shown through some application problems. © 2023, World Scientific and Engineering Academy and Society. All rights reserved.
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    Haar wavelet-based Galerkin method with its feasibility, consistency, and application to unmanned vehicle navigation around moving obstacles
    (Elsevier Ltd, 2025) Madankar, S.R.; Setia, A.; M, M.; Agarwal, R.P.
    In this study, we propose a novel Haar wavelet-based Galerkin method to solve nonlinear optimal control problems with applications to unmanned vehicle navigation. The method addresses the critical challenge of optimizing energy consumption while ensuring safe navigation in dynamic environments with multiple moving obstacles. By leveraging the computational efficiency and scalability of Haar wavelets, combined with the robustness of the Galerkin approach, we demonstrate convergence to the optimal solution under feasibility and consistency conditions. Comprehensive numerical simulations, including diverse and complex obstacle scenarios, validate the method's practicality. Through detailed trajectory, speed, and direction analyses, we highlight the approach's ability to adapt to real-world navigation challenges, making it a promising tool for autonomous system optimization. © 2025 European Control Association