Optimal low-thrust transfers between coplanar orbits with small eccentricities
S da Silva Fernandes, F das Chagas Carvalho… - Computational and …, 2016 - Springer
In this paper, a first-order analytical solution, which includes the short periodic terms, for the
problem of optimal time-fixed low-thrust limited-power transfers (no rendezvous), in an …
problem of optimal time-fixed low-thrust limited-power transfers (no rendezvous), in an …
Optimum low-thrust limited power transfers between neighbouring elliptic non-equatorial orbits in a non-central gravity field
SDS Fernandes - Acta Astronautica, 1995 - Elsevier
A complete first-order analytical solution is developed for the problem of optimum low-thrust
limited power transfers between neighbouring elliptic non-equatorial orbits in a non-central …
limited power transfers between neighbouring elliptic non-equatorial orbits in a non-central …
Effects of the main zonal harmonics on optimal low-thrust limited-power transfers
S da Silva Fernandes… - Journal of the Brazilian …, 2021 - Springer
This work considers the development of a numerical-analytical procedure for computing
optimal time-fixed low-thrust limited-power transfers between arbitrary orbits. It is assumed …
optimal time-fixed low-thrust limited-power transfers between arbitrary orbits. It is assumed …
Generalized canonical systems—III: Space dynamics applications: Solution of the coast-arc problem
SDS Fernandes - Acta Astronautica, 1994 - Elsevier
Some properties of “generalized canonical systems”—canonical systems governed by a
Hamiltonian function linear in the adjoint variables (momenta)—recently discussed, are …
Hamiltonian function linear in the adjoint variables (momenta)—recently discussed, are …
[PDF][PDF] Optimization of Low-Thrust Limited-Power Trajectories in a Noncentral Gravity Field—Transfers between Orbits with Small Eccentricities
S da Silva Fernandes - Mathematical Problems in Engineering, 2009 - emis.icm.edu.pl
This paper presents numerical and analytical results for optimal low-thrust limited-power
transfers between orbits with small eccentricities in a noncentral gravity field that includes …
transfers between orbits with small eccentricities in a noncentral gravity field that includes …
Solution of the coast-arc problem using sundman transformation
S da Silva Fernandes - Acta Astronautica, 2002 - Elsevier
The solution of the coast-arc problem is derived by using Sundman transformation and
properties of generalized canonical systems. An universal closed-form solution, valid for all …
properties of generalized canonical systems. An universal closed-form solution, valid for all …
Generalized canonical systems—II: Derivation of Lagrange's and Gauss' equations
SDS Fernandes - Acta Astronautica, 1994 - Elsevier
In this paper some properties of “generalized canonical systems”, previously discussed by
the author, are applied in the determination of the classic Lagrange's and Gauss' equations …
the author, are applied in the determination of the classic Lagrange's and Gauss' equations …
[HTML][HTML] Lagrangian multipliers for coast-arcs of optimum space trajectories
SS Fernandes - Journal of the Brazilian Society of Mechanical …, 2001 - SciELO Brasil
Some properties of generalized canonical systems-special dynamical systems described by
a Hamiltonian function linear in the adjoint variables-are applied in determining the solution …
a Hamiltonian function linear in the adjoint variables-are applied in determining the solution …
Hori method for generalized canonical systems
S da Silva Fernandes - Acta Astronautica, 2009 - Elsevier
In this paper, some special features on the canonical version of Hori method, when it is
applied to generalized canonical systems (systems of differential equations described by a …
applied to generalized canonical systems (systems of differential equations described by a …
Generalized canonical systems with first integrals
SDS Fernandes - Acta astronautica, 1999 - Elsevier
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