Autonomous behavioural algorithm for space applications

G. Radice, C. R. McInnes

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3 Citations (Scopus)
34 Downloads (Pure)


We present a new approach in the concept and implementation of autonomy for autonomous spacecraft. The one true 'artificial agent' approach to autonomy requires the spacecraft to interact in a direct manner with the environment through the use of sensors and actuators. Rather than using complex world models, the spacecraft is allowed to exploit the dynamics of its environment for cues as to appropriate actions to take to achieve its mission goals. The particular artificial agent implementation used here has been inspired by studies of biological systems. The so-called 'cue-deficit' action selection algorithm considers the spacecraft to be a non-linear dynamical system with a number of observable states. Using optimal control theory a set of rules is derived which determine which of a finite repertoire of behaviours the spacecraft will perform. A simple model of a single imaging spacecraft in low polar Earth orbit is used to demonstrate the algorithm.
Original languageEnglish
Pages (from-to)521-527
Number of pages7
JournalAeronautical Journal
Issue number1074
Publication statusPublished - 2003


  • space technology' astronautical engineering
  • guidance systems
  • optimal control
  • measurement sensor
  • autonomous system
  • spacecraft


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