Multi-mass Dynamic Model of a Variable-length Tether Used in a High Altitude Wind Energy System
Energy Conversion and Management, Vol. 87, pp. 1141-11502014This paper presents a multibody approach to dynamics modelling of a variable-length tether moving through air, in a system where an airborne module generates aerodynamic lift and uses the tether to cyclically drive the winch-generator unit fixed on the ground. The rope is modelled as a series of straight, massless, elastic segments with the rope mass fragments lumped to the segment joints. Individual segment length is constant, with the exception of segment being wound out from the winch, while the number of segments is variable. For the segment being wound out, a special modelling approach is derived. The forces acting on the rope are also concentrated at the joints, thus simplifying computations and facilitating rope aerodynamic drag modelling. The proposed tether dynamics model is integrated into the overall model of controlled power production system and verified by computer simulation. The model is compared with two simpler tether dynamics models also proposed in the paper. tether; winch; multibody dynamics; high altitude wind energy; modelling; simulation
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Energy Conversion and Management, Vol. 87, pp. 1141-1150
2014
Cited by 30
▾
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[1] Detumbling control of an underactuated tethered satellite system based on a tension regulation method🔗Acta Astronautica, 2024
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[2] FEM-Aided Modeling and Control of a Tethered Hydrokinetic Energy Kite🔗American Control Conference, 2023
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[3] Sensor Fusion Observer Design and Experimental Validation for an Underwater Kite🔗American Control Conference, 2022
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[4] Aerodynamic comparison of slotted and non-slotted diffuser casings for Diffuser Augmented Wind Turbines (DAWT)🔗Renewable & Sustainable Energy Reviews, 2022
-
[5] Transient Dynamic Analysis of A Variable-Length Rope-Driven Wave Energy System🔗China Ocean engineering, 2022
-
[6] Transient Dynamic Analysis of A Variable-Length Rope-Driven Wave Energy System🔗China Ocean engineering, 2022
-
[7] Power conversion performance of airborne wind turbine under unsteady loads🔗Renewable & Sustainable Energy Reviews, 2022
-
[13] Control of a Drag Power Kite over the Entire Wind Speed Range🔗Journal of Guidance Control and Dynamics, 2019
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[15] An Efficient Model of Tethers for Tethered Satellite Systems🔗Advances in Astronautics Science and Technology, 2018
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[16] Aerodynamic analysis of an airborne wind turbine with three different aerofoil-based buoyant shells using steady RANS simulations🔗Energy Conversion and Management, 2018