Title
Analysis of adaptive sampling techniques for underwater vehicles
Abstract
A critical problem in planning sampling paths for autonomous underwater vehicles (AUVs) is correctly balancing two issues. First, obtaining an accurate scalar field estimation and second, efficiently utilizing the stored energy capacity of the sampling vehicle. Adaptive sampling approaches can only provide solutions when real time and a priori environmental data is available. In this paper we present an analysis of adaptive sampling methodologies for AUVs. In particular, we analyze various sampling path strategies including systematic and stratified random patterns within a wide range of sampling densities and their impact in the energy consumption of the vehicle through a cost-evaluation function. Our study demonstrates that a systematic spiral sampling path strategy is optimal for high-variance scalar fields for all sampling densities and low-variance scalar fields when sampling is sparse. In addition, our results show that the random spiral sampling path strategy is found to be optimal for low-variance scalar fields when sampling is dense.
Year
DOI
Venue
2013
10.1007/s10514-013-9337-0
Auton. Robots
Keywords
Field
DocType
Experimental,Optimal,Adaptive sampling,Autonomous underwater vehicles,Kriging
Kriging,Mathematical optimization,Computer science,Adaptive sampling,Scalar (physics),A priori and a posteriori,Sampling (statistics),Energy consumption,Scalar field,Underwater
Journal
Volume
Issue
ISSN
35
2-3
0929-5593
Citations 
PageRank 
References 
1
0.36
4
Authors
3
Name
Order
Citations
PageRank
Andres Mora1172.07
Colin Ho2142.09
Srikanth Saripalli356460.11