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Distributed evolution for swarm robo...

Hettiarachchi, Suranga D.

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Distributed evolution for swarm robotics.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Distributed evolution for swarm robotics./
作者:	Hettiarachchi, Suranga D.
面頁冊數:	202 p.
附註:	Adviser: William M. Spears.
Contained By:	Dissertation Abstracts International68-12B.
標題:	Artificial Intelligence. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3291048
ISBN:	9780549356943

Distributed evolution for swarm robotics.
Hettiarachchi, Suranga D.

Distributed evolution for swarm robotics. - 202 p.

Adviser: William M. Spears.

Thesis (Ph.D.)--University of Wyoming, 2007.

Traditional approaches to designing multi-agent systems are offline, in simulation, and assume the presence of a global observer. Artificial Physics (AP) or physicomimetics can be used to self-organize swarms of mobile robots into formations that move towards a goal. Using an offline approach, we extend the AP framework to moving formations through obstacle fields. We provide important metrics of performance that allow us to (a) compare the utility of different generalized force laws in the artificial physics framework, (b) examine trade-offs between different metrics, and (c) provide a detailed method of comparison for future researchers in this area.

ISBN: 9780549356943Subjects--Topical Terms:

769149
Artificial Intelligence.

Distributed evolution for swarm robotics.
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500 $a Adviser: William M. Spears.
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502 $a Thesis (Ph.D.)--University of Wyoming, 2007.
520 $a Traditional approaches to designing multi-agent systems are offline, in simulation, and assume the presence of a global observer. Artificial Physics (AP) or physicomimetics can be used to self-organize swarms of mobile robots into formations that move towards a goal. Using an offline approach, we extend the AP framework to moving formations through obstacle fields. We provide important metrics of performance that allow us to (a) compare the utility of different generalized force laws in the artificial physics framework, (b) examine trade-offs between different metrics, and (c) provide a detailed method of comparison for future researchers in this area.
520 $a In the online, real world, a global observer may be absent, performance feedback may be delayed or perturbed by noise, agents may only interact with their local neighbors, and only a subset of agents may experience any form of performance feedback. Under these constraints, designing multi-agent systems is difficult. We present a novel approach called "Distributed Agent Evolution with Dynamic Adaptation to Local Unexpected Scenarios'' or DAEDALUS to address these issues, by mimicking more closely the actual dynamics of populations of agents moving and interacting in a (task) environment.
520 $a This thesis merges DAEDALUS and AP by using obstacle avoidance as a case study to illustrate the feasibility of DAEDALUS when the environment changes. We present empirical and practical results that address (a) offline vs. online learning, (b) obstructed perception, (c) homogeneous vs. heterogeneous agent cooperation, and (d) implementation of obstacle avoidance with real robots.
590 $a School code: 0264.
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790 1 0 $a Spears, William M., $e advisor
790 1 0 $a Thayer, David R. $e committee member
791 $a Ph.D.
792 $a 2007
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3291048