Learning fuel-optimal trajectories for space applications via Pontryagin neural networks
This paper demonstrates the utilization of Pontryagin Neural Networks (PoNNs) to acquire
control strategies for achieving fuel-optimal trajectories. PoNNs, a subtype of Physics …
control strategies for achieving fuel-optimal trajectories. PoNNs, a subtype of Physics …
Mainardi smoothing homotopy method for solving nonlinear optimal control problems
W Qing, B Pan, Y Ran, C Zhu - Acta Astronautica, 2024 - Elsevier
This paper proposes a new type of smoothing homotopy method for solving general
nonlinear optimal control problems via the indirect method, leveraging the Mainardi kernel …
nonlinear optimal control problems via the indirect method, leveraging the Mainardi kernel …
Indirect optimization of fuel-optimal many-revolution low-thrust transfers with eclipses
An efficient indirect method is presented to determine fuel-optimal many-revolution low-
thrust transfers in the presence of Earth-shadow eclipses. Specifically, the events of shadow …
thrust transfers in the presence of Earth-shadow eclipses. Specifically, the events of shadow …
[HTML][HTML] Theory of functional connections applied to linear ODEs subject to integral constraints and linear ordinary integro-differential equations
This study shows how the Theory of Functional Connections (TFC) allows us to obtain fast
and highly accurate solutions to linear ODEs involving integrals. Integrals can be constraints …
and highly accurate solutions to linear ODEs involving integrals. Integrals can be constraints …
Theory of functional connections applied to quadratic and nonlinear programming under equality constraints
This paper introduces an efficient approach to solve quadratic and nonlinear programming
problems subject to linear equality constraints via the theory of functional connections. This …
problems subject to linear equality constraints via the theory of functional connections. This …
Low-energy Earth–Moon transfers via Theory of Functional Connections and homotopy
Numerous missions leverage the weak stability boundary in the Earth–Moon–Sun system to
achieve a safe and cost-effective access to the lunar environment. These transfers are …
achieve a safe and cost-effective access to the lunar environment. These transfers are …
Analysis of nonlinear Timoshenko–Ehrenfest beam problems with von Kármán nonlinearity using the Theory of Functional Connections
In this paper, the Theory of Functional Connections (TFC) is used to analyze static beams,
accounting for the von Kármán nonlinearity and using the Timoshenko–Ehrenfest beam …
accounting for the von Kármán nonlinearity and using the Timoshenko–Ehrenfest beam …
Theory of functional connections extended to fractional operators
The theory of functional connections, an analytical framework generalizing interpolation,
was extended and applied in the context of fractional-order operators (integrals and …
was extended and applied in the context of fractional-order operators (integrals and …
Spectral shifted stabilized continuation for indirect optimal control
Continuation methods provide a solution to the initial guess problem that numerical root
solvers and shooting methods often face by iteratively transforming an auxiliary solution into …
solvers and shooting methods often face by iteratively transforming an auxiliary solution into …
[HTML][HTML] Using the theory of functional connections to solve boundary value geodesic problems
D Mortari - Mathematical and Computational Applications, 2022 - mdpi.com
This study provides a least-squares-based numerical approach to estimate the boundary
value geodesic trajectory and associated parametric velocity on curved surfaces. The …
value geodesic trajectory and associated parametric velocity on curved surfaces. The …