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Keywords: coordinate system
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Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-273
... stuck rudder conditions, and verify that the control distribution method can ensure the maneuverability and fault tolerance of X rudder AUV with stuck rudder fault. X RUDDER AUV MANEUVERING MOTION MODELING (1) Geodetic coordinate system E -X1Y1Z1: its origin E is any point on the earth, and the three...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-325
... data for the VLCC (Suzuki et al., 2022) and the container ship (Yasukawa and Adnan, 2006). 2237 MATHEMATICAL BACKGROUNDS Phenomenological Modelling and Coordinate Systems This section outlines the prediction method developed by Ueno et al. (2000, 2001) to provide the mathematical foundation...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-385
..., v, w are the component of u in three directions. The equations of conservation law of momentum in three directions of X, Y and Z in rectangular coordinate system can be expressed as given in Eqs. 2~4: u) t div( uu) p x xx x yx y zx z Fx (2) v) t div( vu) p y...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-371
... velocity, are the reasons for the small computing effort of the method. Fig. 1 shows the ship-fixed coordinate system used in the model. The origin of the coordinate system is located on the ship s centerline in height of the average fluid surface in the tank. The x-axis points in the ship s longitudinal...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-042
... Engineering, Technical University of Denmark, Lyngby, Denmark ABSTRACT An IEA 15MW semi-submersible FOWT in focused waves is investigated by using a consistent second-order hydrodynamic model in the time domain, uniquely formulated in the body-fixed coordinate system (BFCS). The quadratic drag loads...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-522
...) Where A is the amplitude of waves; k is the wave number; 0, 0, 0 are coordinates in the ship-fixed coordinate system; x, y, z are coordinates in the earth-fixed coordinate system; and are the velocities in the x and y directions respectively. To prevent the reflection from the exit boundary, a wave...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-535
..., and the conclusions are given. SHIP MOTION MODEL Simulation Model In this paper, the three-degrees-of-freedom (3-DOF) maneuvering motion of a ship on the horizontal plane is considered. In order to facilitate the analysis of ship motion, two right-handed coordinate systems are defined: the earth-fixed frame o0 x0...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-523
... 143 Reference frame The coordinate system includes local coordinate system and global coordinate system. As shown in Fig. 3, the x-axis of the local coordinate system is facing the bow, the y-axis is facing the starboard, and the z-axis is downward; the x-axis of the overall coordinate system...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-566
... values because the stick/slip phenomenon exhibits a strong scaling e ect. COORDINATE SYSTEMS Orthogonal global and body- xed coordinate systems are used to describe the vessel dynamics. The body- xed coordinate system is de ned as the c-coordinate system. The systems are shown in Figure 2. The right...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-118
... in the future are also 824 proposed based on the analysis. COORDINATE SYSTEMS In field motion measurement, the GNSS systems measure the trajectory of motions of the jacket and the barge in the global geographic coordinate system and the INS systems measure the acceleration and angular velocity in the body-fixed...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-119
... it to the equation of motion. Take the connection between barge 1 and topside as an example. Suppose that the displacement of the center of gravity of the ith object (i=1,3) in the global coordinate system is , the displacement of the connection point in the local coordinate system is = 1,2 , then the displacement...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-139
... model For the combined LS17-2 semi-submersible platform and XGH, a right hand coordinate system is applied in this analysis. The origin is defined as at the intersection of the XGH center line, zero station and bottom keel as illustrated in Fig. 4. The longitudinal axis (X-axis) is positive toward...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-149
... summarizes the hydrodynamic characteristics of DCOP, and the advantages and disadvantages of this platform, SPAR and CDP respectively, so as to provide reference for the subsequent design and research work. THEORETICAL BASIS Coordinate System and Motion The fixed coordinate system, the moving coordinate...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-056
... popular among engineers and researchers. coordinate system wind energy social responsibility sustainability sustainable development offshore projects planning and execution single blade matrix installation tugger line gravity wind turbine control system wind-induced load platform...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-148
... the pipeline robot adaptive positioning system using a six sensors’ symmetrical structure. sensor mechanical antenna optimization problem pipeline robot asset and portfolio management coordinate system magnetic sensor magnetic dipole fluxgate sensor midstream oil &amp; gas artificial...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-233
... ABSTRACT When assessing the hitting accuracy of underwater attack weapons against the surface target, we need to convert different coordinate systems to a unified coordinate system. Typically, surface target track uses the geodetic coordinate system and underwater weapon trajectory uses...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-224
... surface accuracy coordinate system amplitude numerical model coefficient flow field Proceedings of the Thirty-second (2022) International Ocean and Polar Engineering Conference Shanghai, China, June 5 10, 2022 Copyright © 2022 by the International Society of Offshore and Polar Engineers (ISOPE...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-243
... during the self-propelled motion. The results illustrated that the morphology of the median fins had a great influence on hydrodynamics and flow field structure during C-turn behaviors. frequency rotation angle numerical simulation fish body artificial intelligence coordinate system...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-280
... the target information of visual feedback to complete the AUV capturing task. artificial intelligence link 0 logo image controller manipulator matrix vision servo transformation matrix base coordinate system perpendicular coordinate system trajectory auv recovery modeling corner point...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-260
... ABSTRACT In this study, a PIMPLE algorithm-based solver in a non-inertial coordinate system is developed. The hydrodynamic force acting on an AUV body that is forced to oscillate in a uniform flow is estimated. Meanwhile, the hydrodynamic force is also estimated and derived by describing...

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