2014 Oceans - St. John's 2014
DOI: 10.1109/oceans.2014.7003275
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Autonomous tracking of a horizontal boundary

Abstract: The ability to employ autonomous vehicles to find and track the boundary between two different water masses can increase the efficiency in waterborne data collection, by concentrating measurements in the most relevant regions and capturing detailed spacial and temporal variations. In this paper we provide a guidance mechanism to enable an autonomous vehicle to find and track the steepest gradient of a scalar field in the horizontal plane. The main innovation in our approach is the mechanism to adapt the orient… Show more

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Cited by 4 publications
(4 citation statements)
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“…An important aspect for all front tracking to keep contact with the boundary feature. In [24] this is addressed by adapting the orientation of the crossings to the local curvature of the boundary.…”
Section: Two-dimensional [2d]mentioning
confidence: 99%
“…An important aspect for all front tracking to keep contact with the boundary feature. In [24] this is addressed by adapting the orientation of the crossings to the local curvature of the boundary.…”
Section: Two-dimensional [2d]mentioning
confidence: 99%
“…The front is locally defined by an on‐board linear estimation, based on a single AUV's previous front crossing locations within a synoptic range. Cruz and Matos () track any gradient boundary using a single vehicle following a dynamic zigzag pattern and a lateral gradient detection algorithm to estimate the gradient boundary using an arc whose curvature is defined by the last three front‐crossing locations. Although significant work has been completed in simulation, very little has been performed in the field.…”
Section: Contextmentioning
confidence: 99%
“…Zhang et al (), () utilize the VTHI front detection method on a single vehicle to detect and track an upwelling front on a zigzag track with a fixed turn angle. Cruz and Matos () track any gradient boundary using a single vehicle following a dynamic zigzag pattern and a lateral gradient detection algorithm to estimate the gradient boundary using an arc whose curvature is defined by the last three front‐crossing locations. Petillo () and Petillo et al () use single and multiple autonomously coordinated AUVs following a dynamic zigzag across a threshold value of a property (e.g., temperature) that was determined from the property's peak lateral gradient (front) location.…”
Section: Comparison With Previous Workmentioning
confidence: 99%
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