Zobrazeno 1 - 10
of 250
pro vyhledávání: '"unmanned underwater vehicle (UUV)"'
Publikováno v:
Polish Maritime Research, Vol 31, Iss 4, Pp 31-42 (2024)
Ocean observation and exploration technologies are crucial for marine environmental protection and resource development, but traditional tools have limitations in terms of operating time, coverage, and cost. Wave gliders, which offer advantages such
Externí odkaz:
https://doaj.org/article/01be01c6ae67407c944d23da750d2b84
Publikováno v:
Journal of Marine Science and Engineering, Vol 12, Iss 8, p 1336 (2024)
Efficiency has always been one of the most critical indicators for evaluating wireless power transfer (WPT) systems. To achieve fast maximum energy efficiency tracking (MEET), this paper provides an innovative control method utilizing the hill climbi
Externí odkaz:
https://doaj.org/article/6fe1d31988a846a89c54f54fa0dcd8c7
Autor:
Zhiyu Wang, Timothy Sands
Publikováno v:
AI, Vol 4, Iss 1, Pp 270-288 (2023)
This manuscript compares deterministic artificial intelligence to a model-following control applied to DC motor control, including an evaluation of the threshold computation rate to let unmanned underwater vehicles correctly follow the challenging di
Externí odkaz:
https://doaj.org/article/704b06e244444e31b2b0368b3d1445fc
Publikováno v:
Zhongguo Jianchuan Yanjiu, Vol 17, Iss 5, Pp 175-183 (2022)
ObjectiveTo deal with the external time-variance disturbances and possible failure of actuators during the dynamic positioning operation of an unmanned underwater vehicle (UUV), this paper proposes a nonlinear observer-based adaptive allocation strat
Externí odkaz:
https://doaj.org/article/52a50568c4c849ab8ae1a39d16206553
Autor:
Ji-Hye Kim, Thi Loan Mai, Aeri Cho, Namug Heo, Hyeon Kyu Yoon, Jin-Yeong Park, Sung-Hoon Byun
Publikováno v:
Applied Sciences, Vol 14, Iss 3, p 970 (2024)
This study presents a pressure variation model (PVM) derived from the regression analysis of dynamic pressure computed through numerical analysis to estimate the velocity of underwater vehicles. Furthermore, the drift angle estimation algorithm was d
Externí odkaz:
https://doaj.org/article/50c43c9df5004c25b99786483e94c694
Publikováno v:
Journal of Marine Science and Engineering, Vol 12, Iss 1, p 94 (2024)
This work addresses the motion control problem for a 4-degree-of-freedom unmanned underwater vehicle (UUV) in the presence of nonlinear dynamics, parametric uncertainties, system constraints, and time-varying external disturbances. A disturbance obse
Externí odkaz:
https://doaj.org/article/8aba3045623c47abb99ea8ec53a4dffc
Publikováno v:
한국해양공학회지, Vol 35, Iss 6, Pp 434-445 (2021)
This paper proposes an optimal design method for an unmanned underwater vehicle (UUV) platform to overcome strong current. First, to minimize the hydrodynamic drag components in water, the vehicle is designed to have a streamlined disc shape, which h
Externí odkaz:
https://doaj.org/article/96ced817792c4d61af9fc211a907891e
Publikováno v:
Zhongguo Jianchuan Yanjiu, Vol 16, Iss Supp1, Pp 31-39 (2021)
ObjectivesThis study constructs a quantitative assessment model of the impact of the marine environment on the offensive mine-laying operational performance of unmanned underwater vehicles (UUV), and draws quantitative evaluation conclusions.MethodsF
Externí odkaz:
https://doaj.org/article/734e324bd5a440bd9d6c08096bdd0a3b
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