NDLI: A Multi-objective Incremental Path Planning Algorithm for Mobile Agents

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A Multi-objective Incremental Path Planning Algorithm for Mobile Agents

Content Provider	ACM Digital Library
Author	Oral, Tugcem Polat, Faruk
Abstract	Path planning is a crucial issue in unknown environments where an autonomous mobile agent has to reach a particular destination from some initial location. There are several incremental algorithms such as D* [1], D* Lite [2] that are able to ensure reasonable paths in terms of path length in unknown environments. However, in many real-world problems we realize that path length is not only the sole objective. For example in computer games, a non-player character needs to not only find a minimum cost path to some target location but also minimize threat exposure. This means that path planning/finding activity of an agent in a multi-agent environment has to consider more than one objective to be achieved. In this paper, we propose a new incremental search algorithm called MOD* Lite extending Koenig's D* Lite algorithm and show that MOD* Lite is able to optimize path quality in more than one criteria that cannot be transformed to each other. Experimental results show that MOD* Lite is able to find optimal solutions and is fast enough to be used in real-world multi-agent applications such as robotics, computer games, or virtual simulations.
Starting Page	401
Ending Page	408
Page Count	8
File Format	PDF
ISBN	9780769548807
DOI	10.1109/WI-IAT.2012.143
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2012-12-04
Access Restriction	Subscribed
Subject Keyword	Path planning multi-objectivity incremental search algorithm
Content Type	Text
Resource Type	Article

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