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Document Type

Conference Proceeding

Publication Date

7-2007

Abstract

The development of coherent and dynamic behaviors for mobile robots is an exceedingly complex endeavor ruled by task objectives, environmental dynamics and the interactions within the behavior structure. This paper discusses the use of genetic programming techniques and the unified behavior framework to develop effective control hierarchies using interchangeable behaviors and arbitration components. Given the number of possible variations provided by the framework, evolutionary programming is used to evolve the overall behavior design. Competitive evolution of the behavior population incrementally develops feasible solutions for the domain through competitive ranking. By developing and implementing many simple behaviors independently and then evolving a complex behavior structure suited to the domain, this approach allows for the reuse of elemental behaviors and eases the complexity of development for a given domain. Additionally, this approach has the ability to locate a behavior structure which a developer may not have previously considered, and whose ability exceeds expectations. The evolution of the behavior structure is demonstrated using agents in the Robocode environment, with the evolved structures performing up to 122 percent better than one crafted by an expert.

Comments

©2007 Association for Computing Machinery. ACM acknowledges that this contribution was authored or co-authored by an employee, contractor or affiliate of the U.S. Government.

AFIT Scholar furnishes the accepted draft of this conference paper. The version of record, as published by ACM in the proceedings, is available to subscribers through the DOI link on this page.

Funding note: AFRL/SNR Lab Task 06SN02COR from the Air Force Office of Scientific Research.

Shared in accordance with ACM's green open access policies found at their website.

Source Publication

9th Annual Conference on Genetic and Evolutionary Computation

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