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Low-Thrust Transfers to Southern \(L_2\) Near-Rectilinear Halo Orbits Facilitated by Invariant Manifolds
In this paper, we investigate the manifolds of three Near-Rectilinear Halo Orbits (NRHOs) and optimal low-thrust transfer trajectories using a...
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Second-order Sufficient Conditions of Strong Minimality with applications to Orbital Transfers
We present second-order Extended Sufficiency Conditions applicable without Strict Legendre Conditions and without local controllability assumption...
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Unconstrained Direct Optimization of Spacecraft Trajectories Using Many Embedded Lambert Problems
Direct optimization of many-revolution spacecraft trajectories is performed using an unconstrained formulation with many short-arc, embedded Lambert...
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The ERC-Funded EXTREMA Project: Achieving Self-Driving Interplanetary CubeSats
In the last decade, the new space economy has underlined the importance of the space sector for public and private actors. Advances in CubeSats...
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Theory and Applications of Optimal Finite Thrust Orbital Transfers
The main author proposed a mission for the first time with a LEO to GEO orbital transfer for telecommunication application (GovSatCom). This mission...
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Indirect Optimization of Robust Orbit Transfer Considering Thruster Underperformance
In the life of a spacecraft the LEOP (Launch and Early Operational Phase) is one of the most critical, because the knowledge of the behavior of the...
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Optimization of Multi-revolution Limited Power Trajectories Using Angular Independent Variable
Optimization of low-thrust trajectories is necessary in the design of space missions using electric propulsion systems. We consider the problem of...
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Transient sloshing in a prolate spheroidal container under aerospace excitations
An exact three-dimensional hydrodynamic analysis based on the linear potential theory is presented to study the transient liquid sloshing in a...
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Research on modeling and self-excited vibration mechanism in magnetic levitation-collision interface coupling system
The modeling and self-excited vibration mechanism in the magnetic levitation-collision interface coupling system are investigated. The effects of the...
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Choice of the Optimal Launch Date for Interplanetary Missions
Interplanetary missions are strictly dependent on the launch date. Mission planning requires a knowledge not only of the technological and cost...
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Two-Body Maneuvers with Unbounded Continuous Inputs
A majority of spacecraft navigation problems involve transfers between two given positions and velocities. When continuous inputs are applied for the...
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Flight in Non-spherical Gravity Fields
Spaceflight involving orbital transfers around irregularly shaped bodies Irregularly shaped body or in the gravity...
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Minimum Fuel-Consumption Stabilization of a Spacecraft at the Lagrangian Points
We consider the motion of a spacecraft described by the differential equations of the three-body problem in the Earth-Moon system. The goal is to...
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Mathematics of Interplanetary Flight
Chapter 6 is a discussion of the complex aspects of the design of the trajectory of a spacecraft and the maneuvers that direct it to its target....
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Global Optimization of Continuous-Thrust Trajectories Using Evolutionary Neurocontrol
Searching optimal continuous-thrust trajectories is usually a difficult and time-consuming task. The solution quality of traditional optimal-control...
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Orbital Mechanics and Impulsive Transfer
Orbital mechanics refers to the study of the translational motion of bodies in mutual gravitational attraction, and the resulting spatial paths of...
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Quaternion methods and models of regular celestial mechanics and astrodynamics
This paper is a review, which focuses on our work, while including an analysis of many works of other researchers in the field of quaternionic...
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Low-Thrust Transfers Between Libration Point Orbits Without Explicit Use of Manifolds
In this paper, we investigate the numerical computation of minimum-energy low-thrust transfers between Libration point orbits in the Circular...
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A numerical study for optimal low-thrust limited power transfers between coplanar orbits with small eccentricities
A numerical study of optimal time-fixed low-thrust limited power transfers (no rendezvous), in an inverse-square force field, between coplanar orbits...
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Low-Thrust Multi-Revolution Orbit Transfers
This chapter presents a procedure to solve low-thrust orbit transfer with many orbital revolutions. One typical application is a transfer from the...