Magnetic Control of Translational and Torsional Motions of Suspended Loads
Panagiota Atzampou (TU Delft - Civil Engineering & Geosciences, TU Delft - Civil Engineering & Geosciences)
Peter Meijers (TU Delft - Civil Engineering & Geosciences)
Apostolos Tsouvalas (TU Delft - Civil Engineering & Geosciences, TU Delft - Civil Engineering & Geosciences)
Andrei Metrikine (TU Delft - Civil Engineering & Geosciences, TU Delft - Civil Engineering & Geosciences)
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Abstract
The present study introduces a coupled contactless control approach for managing both translational and torsional motions of a suspended load. This method utilizes magnet-to-magnet interactions between two pairs of magnetic dipoles, with translational motion controlled by adjusting the polarity and intensity of the electromagnetic actuator, and torsional motion regulated through the orientation of the external magnetic field. The results demonstrate effective motion dissipation in response to external excitations and non-trivial initial conditions. Key control parameters include the initial distance between interacting magnets and the ability of translational control to counteract the attractive forces generated by torsional torque. The proposed magnetic control method presents a promising foundation for non-contact position control in offshore wind turbine installations.