PUMA
Istituto di Studi sui Sistemi Intelligenti per l'Automazione     
Caccia M., Indiveri G., Veruggio G. Modeling and identification of open-frame variable configuration unmanned underwater vehicles. In: Ieee Journal of Oceanic Engineering, vol. 25 (2) pp. 227 - 240. IEEE, 2000.
 
 
Abstract
(English)
A lumped parameter model of open-frame unmanned underwater vehicles (UUV's) including the effects of propeller-hull and propeller-propeller interactions is presented. The identification of the model parameters consists of a least squares method using only on-board sensor data without requiring any towing tank tests. The identification scheme is based on separate tests for the estimation of drag and thruster installation coefficients, taking into account propeller-hull and propeller-propeller effects first and inertia parameters subsequently. The scheme has been experimentally implemented on ROMEO, the latest UUV developed by CNR-IAN. Experimental results show both the effectiveness of the proposed method and the relevance of the propeller-hull and propeller-propeller interactions that are usually neglected in standard UUV models.
DOI: 10.1109/48.838986
Subject drag
identification
least squares approximations
modelling
propulsion
remotely operated vehicles
underwater vehicles


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