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Motion Primitive Approach to Spacecraft Trajectory Design in a Multi-body System.

Thomas R Smith1, Natasha Bosanac1

  • 1Colorado Center for Astrodynamics Research, Smead Department of Aerospace Engineering Sciences, University of Colorado Boulder, 3775 Discovery Dr., Boulder, CO 80303 USA.

The Journal of the Astronautical Sciences
|September 14, 2023
PubMed
Summary
This summary is machine-generated.

This study introduces a novel framework using motion primitives for rapid spacecraft trajectory design in multi-body systems. This method efficiently generates diverse transfer trajectories between libration point orbits.

Keywords:
Cislunar spaceInitial guess constructionMotion primitivesMulti-body gravitational systemsRapid trajectory design

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Area of Science:

  • Astrodynamics
  • Robotics
  • Spacecraft Trajectory Design

Background:

  • Increasing spacecraft operations in cislunar and multi-body environments require faster trajectory design.
  • Robotics utilizes motion primitives to build complex paths efficiently.

Purpose of the Study:

  • To develop a framework for rapid and informed spacecraft trajectory design in multi-body gravitational systems.
  • To leverage motion primitives for constructing complex spacecraft trajectories.

Main Methods:

  • Generated motion primitives (periodic orbits, manifolds) via clustering to summarize phase space.
  • Constructed and searched graphs of motion primitives for initial trajectory guesses.
  • Computed continuous transfers using multi-objective constrained optimization and collocation.

Main Results:

  • Demonstrated the framework by creating diverse transfers between Earth-Moon libration point orbits.
  • Successfully generated geometrically distinct transfer trajectories using impulsive maneuvers.

Conclusions:

  • The motion primitive framework enables rapid and informed trajectory design in complex gravitational environments.
  • This approach is effective for generating initial guesses for spacecraft transfers, particularly between libration point orbits.