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Now showing items 1-9 of 9

#### Uncertainty-wise software anti-patterns detection: A possibilistic evolutionary machine learning approach

(2022-11-01)

Context: Code smells (a.k.a. anti-patterns) are manifestations of poor design solutions that can deteriorate software maintainability and evolution. Research gap: Existing works did not take into account the issue of ...

#### Trajectory optimization of space vehicle in rendezvous proximity operation with evolutionary feasibility conserving techniques

(2022-10-09)

In this paper, a direct approach is developed for discovering optimal transfer trajectories of close-range rendezvous of satellites considering disturbances in elliptical orbits. The control vector representing the inputs ...

#### Algorithms for Large Orienteering Problems

(2021-01)

In this thesis, we have developed algorithms to solve large-scale Orienteering Problems. The Orienteering Problem is a combinatorial optimization problem were given a weighted complete graph with vertex profits and a maximum ...

#### An evolutionary discretized Lambert approach for optimal long-range rendezvous considering impulse limit

(2019-09-18)

In this paper, an approach is presented for finding the optimal long-range space rendezvous in terms of fuel and time, considering limited impulse. In this approach , the Lambert problem is expanded towards a discretized ...

#### Optimal multi-impulse space rendezvous considering limited impulse using a discretized Lambert problem combined with evolutionary algorithms

(2019-07-01)

In this paper, a direct approach is presented to tackle the multi-impulse rendezvous problem considering the impulse limit. Particularly, the standard Lambert problem is extended toward several consequential orbit transfers ...

#### Spacecraft Trajectory Optimization: A review of Models, Objectives, Approaches and Solutions

(2018)

This article is a survey paper on solving spacecraft trajectory optimization problems. The solving process is decomposed into four key steps of mathematical modeling of the problem, defining the objective functions, ...

#### An efficient evolutionary algorithm for the orienteering problem

(2017-09-06)

This paper deals with the Orienteering Problem, which is a routing problem. In the Orienteering Problem, each node has a profit assigned and the goal is to find the route that maximizes the total collected profit subject ...

#### Evolutionary algorithms to optimize low-thrust trajectory design in spacecraft orbital precession mission

(2017-06-06)

In space environment, perturbations make the spacecraft lose its predefined orbit in space. One of these undesirable changes is the in-plane rotation of space orbit, denominated as orbital precession. To overcome this ...

#### Multi-objective Optimization of Orbit Transfer Trajectory Using Imperialist Competitive Algorithm

(2017-03-04)

This paper proposes a systematic direct approach to carry out effective multi-objective optimization of space orbit transfer with high-level thrust acceleration. The objective is to provide a transfer trajectory with ...