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@article{ijrr15a,
author = {Roi Yehoshua and Noa Agmon and Gal A. Kaminka},
title = {Robotic Adversarial Coverage of Known Environments},
journal = IJRR,
OPTnote = {Your manuscript ID is IJR-15-2370},
year = {2016},
doi = {10.1177/0278364915625785},
wwwnote = {The article's web page on the journal home is at http://ijr.sagepub.com/content/early/2016/02/20/0278364915625785},
abstract = {Coverage is a fundamental problem in robotics, where one
or more robots are required to visit each point in a
target area at least once. Most previous work
concentrated on finding a coverage path that
minimizes the coverage time. In this paper we
consider a new and more general version of the
problem: \emph{adversarial coverage}. Here, the
robot operates in an environment that contains
threats that might stop the robot. The objective is
to cover the target area as quickly as possible,
while minimizing the probability that the robot will
be stopped before completing the coverage. This
version of the problem has many real-world
applications, from performing coverage missions in
hazardous fields such as nuclear power plants, to
surveillance of enemy forces in the battlefield and
field demining. In this paper we discuss the
offline version of adversarial coverage, in which
the map of threats is given to the robot in
advance. First, we formally define the adversarial
coverage problem, and present different optimizat
ion criteria used for evaluation of coverage
algorithms in adversarial environments. We show that
finding an optimal solution to the adversarial
coverage problem is NP-Hard. We therefore suggest
two heuristic algorithms: STAC, a spanning-tree
based coverage algorithm, and GAC, which follows a
greedy approach. We establish theoretical bounds on
the total risk involved in the coverage paths
created by these algorithms and on their
lengths. Lastly, we compare the effectiveness of
these two algorithms in various types of
environments and settings.},
}