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Anti-torpedo torpedoes (ATT), as a kind of new defense underwater weapon, are widely applied on the active defense systems. In order to effectively combat the target, ATT needs better manipulation and faster navigation strategy. In the present paper, the guided trajectory of ATT is studied in detail by motion simulation. In order to study the guided trajectory characteristics of ATT, the kinematics...
Ship-ship or ship-bridge collision accidents are easy to occur when ships pass through the inland bridge areas waterway. Simulation based research on traffic flows in bridge areas waterway helps to reduce the accidents. In this paper, historical data about vessel traffic flow in bridge areas waterway has been collected and probability distributions of attributions of vessel traffic flows are obtained...
In this paper, a nonlinear adaptive control strategy is developed to force an underactuated ship to follow a predefined path, despite the presence of unknown system parameters and environmental disturbances induced by wave, wind and ocean current. The techniques involved in the design and analysis include using the backstepping, parameter projection techniques and a traverse function. It is shown...
The paper includes a proposal for oil spill confinement using Autonomous Marine Surface Vehicles (AMSVs). The proposal includes a mathematical model of the system and a navigation system based on the Null Space Based behavioral control. The study is made through realistic simulations that closely mimic an experimental platform. The results show the validity of the proposal for automatic spill confinement...
The ship straight-line tracking system is restricted by unintegrable second order nonholonomic constraint, so it is underactuated and difficult to control. The control of the ship straight-line tracking was converted to the control of an actuated system by the output variable redefined method. The stabilization of tracking system, which can be ensured by the stabilization of the new system, was proved...
The best launch method can be given by arranging the launch time and jamming rocket sort for the emplacements because the relative position, range and jamming rocket number of the emplacements are different in the launcher. A reinforce launch algorithm is proposed based on the characters of the firepower intersection and tracking.
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