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Magnus Daniel Kallinger, José Ignacio Rapha, Pau Trubat Casal and José Luis Domínguez-García
Electrical grid layout optimization should consider the placements of turbines and substations and include effects such as wake losses, power losses in cables, availability of different cable types, reliability-based power losses and operational/decommis...
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Sungjun Park and Joonmo Choung
Fully coupled integrated load analyses (ILAs) to evaluate not only the load response but also the structural integrity are required to design a floating offshore wind turbine, since there has been no firmly established approach for obtaining the structur...
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Sung Youn Boo, Steffen Allan Shelley, Seung-Ho Shin, Jiyong Park and Yoon-Jin Ha
There has been growing interest recently in hybrid installations integrating the offshore wind farm and aquaculture farm as co-existence while optimizing ocean space use. The offshore marine farms beyond coastal or sheltered areas will require mooring to...
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Jun Li, Linyu Ling, Jun Liao, Zheng Chen and Shibin Luo
During the long-endurance flight of a near-space aerostat, the characteristics of lifting gas diffusion have a great influence on the flight altitude adjustment and station-keeping performance. Thus, in this study, a lifting gas diffusion model and a dyn...
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Chengzhang Li, Bo Xu, Wanmeng Zhou and Qibo Peng
We propose two approaches based on feedforward control and model-predictive control, respectively, to solve the station-keeping problem of an electric-propulsion geostationary Earth orbit (GEO) satellite, whose thrusters are mounted on two robotic arms o...
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Bo Su and Qingrui Zhou
In recent years, with the reduction of the cost of microsatellites, the development of commercial rockets and the multi-satellite launching technology, the construction of large-scale constellations in low-Earth orbit (Mega-Constellations) has become a d...
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Zijing Xu, Roberto Galeazzi and Jingqi Yuan
The availability of the propulsion system is of primary importance to ensure safe and stable operations of marine crafts, both during transit and station keeping. Diminished propulsion efficiency could impair the ability of a vessel to maintain speed and...
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Jihun Song, Joonseob Kim, Jeonghwa Lee, Seungjun Kim and Woochul Chung
In this study, the dynamic response of a multiconnected floating solar panel system with a vertical pontoon were studied under various scenarios. First, a floating solar panel pontoon is modeled by combining nine single-unit vertical cylinders (arranged ...
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Murugan Ramasamy, Mohammed Abdul Hannan, Yaseen Adnan Ahmed and Arun Kr Dev
Offshore vessels (OVs) often require precise station-keeping and some vessels, for example, vessels involved in geotechnical drilling, generally use Spread Mooring (SM) or Dynamic Positioning (DP) systems. Most of these vessels are equipped with both sys...
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Ningning Ding, Yuangui Tang, Zhibin Jiang, Yunfei Bai and Shixun Liang
This paper investigates the station-keeping control of autonomous and remotely-operated vehicles (ARVs) for free-floating manipulation under model uncertainties and external disturbances. A modified adaptive generalized super-twisting algorithm (AGSTA) e...
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