An Autonomous Wing-Sailed Catamaran - Construction of the Wingsail
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The Atlantis Project: A GPS-Guided Wing-Sailed Autonomous Catamaran
An autonomous catamaran, based on a modified Prindle-19 day-sailing Catamaran, was built to test the viability of GPS-based system identification for precision control. The catamaran was fitted with several sensors and actuators to characterize the dynamics. Using an electric trolling motor, and lead ballast to match all-up weight, several system identification passes were performed to excite s...
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Precision guidance and control of an autonomous, wingsailed catamaran has been demonstrated by Harbor Wing Technologies’ X-1. Based closely on the Atlantis project, the X-1 is larger, more capable version. The platform is a modified Stiletto, a 9.1 m (30 ft) catamaran, experimentally capable of navigating along straight line segments between GPS waypoints and achieving line tracking with averag...
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Wing sails offer a different design challenge to those of more conventional soft sail rigs. This study was undertaken in order to assess which parameters influence wingsail performance of C-Class catamarans, and to what extent, the results from the wind tunnel can be applied in the design developments of future wingsails. A combined wing sail and Cclass catamaran was tested in the low-speed sec...
متن کاملAn Autonomous Wing-Sailed Catamaran
The following information has been extracted from the thesis submitted by Dr. Gabriel Elkaim to Stanford University, and for which he was awarded his Ph.D. The full thesis, which can be viewed at http://www.soe.ucsc.edu/~elkaim/Documents/GabrielElkaimThesis01.pdf (and an extract published in the AYRS’s Journal ‘Catalyst’ which can be found at http://www.soe.ucsc.edu/~elkaim/Documents/Catalyst_B...
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The Atlantis Project is a wing-based autonomous sailing vessel, based on a Prindle-19 catamaran, that has demonstrated line following under automatic control to an accuracy of better than 0.3meters. This work details both the design of the wing section and the configuration analysis for a free-rotating, aerodynamically actuated wingsail that is used as themain propulsion system. Based on numeri...
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