The homotopy method has been used as a useful tool in solving fuel-optimal trajectories
with constant-specific-impulse low thrust. However, the specific impulse is often variable for …

View Video Presentation: https://doi. org/10.2514/6.2023-2646. vid The problem of
optimizing variable-specific impulse electric propulsion maneuvers is presented, proposing …

This paper presents a series of optimization methods for finding fuel-optimal gravity-assist
trajectories that use the practical solar electric propulsion with variable specific impulse. The …

The spacecraft trajectory design process frequently includes the optimization of a quantity of
importance such as propellant consumption or time of flight. A variety of methods for …

This paper concerns optimization of fuel-optimal multi-gravity-assist trajectories based on
the solutions of single-leg transfers that utilize the practical solar electric propulsion with …

The problem of optimizing variable-specific impulse electric propulsion maneuvers is
presented, proposing a novel multi-objective methodology for the computation of near …

This article presents a systematic direct approach to carry out effective optimization of a wide
range of continuous-thrust Earth-orbit transfers with intermediate-level thrust acceleration …

A design technique for a near optimal, Earth–Moon transfer trajectory using continuous
variable low thrust is proposed. For the Earth–Moon transfer trajectory, analytical and …

To send humans beyond Mars, a Human Outer Planet Exploration (HOPE) mission has
been studied for new spacecraft concepts and technologies. In this paper, an interplanetary …

This thesis aims to develop a comprehensive framework for designing and optimizing space
mobility solutions, with a particular emphasis on commercial applications. Focusing on small …