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This paper considers the problem of directing a family of underactuated ships to formation tracking a set of closed orbits and achieve attitude synchronization. It shows that our previous concentric compression design is useful to the coordinated motion of underactuated ships. The condition that the total linear speed of each ship is greater than zero is ensured by introducing a potential function...
The motion of supercavitating vehicle is complex, and the stability of supercavitating motion is an important problem. If the force of supercavitating vehicle is analyzed under the unstable motion, it is irrationality obviously. Therefore, it has more significance in engineering application that the reliability analysis of supercavitating vehicle under the steady motion. Taking this as a starting...
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