Autonomous vehicles are being developed to replace the conventional, manned surface vehicles that tow mine hunting towed platforms. While a wide body of work exists that describes numerical models of towed systems, they usually include relatively simple models of the towed bodies and neglect the dyn
Comments on: Dynamics and control of a towed underwater vehicle system, part 1: model development
โ Scribed by P.A.A. Laura; C.A. Rossit; D.V. Bambill
- Publisher
- Elsevier Science
- Year
- 2003
- Tongue
- English
- Weight
- 25 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0029-8018
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โฆ Synopsis
Comments on: Dynamics and control of a towed underwater vehicle system, part 1: model development
The writers wish to congratulate the authors for their outstanding contribution and extremely useful results (Buckam et al., 2003).
On the other hand no account is taken for the reduction of cross section of the cable resulting from the presence of an axial force. This variation of cross sectional area is, in general, quite considerable in a great percentage of practical applications since the modified Poisson's ratio is larger than 1/2 which is the limiting upper bound in the case of the classical mathematical theory of elasticity (Laura et al., 1970). Obviously this effect is quite important when determining the drag force acting on the cable.
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This paper presents a validation of a three-dimensional dynamics model of a towed underwater vehicle system and discusses an application of the model to improve the performance of the system during a turn maneuver. The model was validated by comparing its results to experimental sea trial data, as w