The electronic spring: replacing conventional model mooring systems

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TypeArticle
Conference6th Newfoundland Electrical and Computer Engineering Conference, 4-6 May 1995, St. John's, Newfoundland
AbstractIn the past, structure and vessel mooring systems have been modelled using mechanical methods, namely simple coil springs. The stiffness of the mooring systems could only be adjusted by replacing or combining springs with different spring constants. A new system has been developed at the Institute for Marine Dynamics, based on servo-controlled 'constant tension' (or force-controlled) winch, which will replace the mechanical springs. Utilizing position and velocity as an additional feedback, the system can be used to emulate the simple mechanical spring. More complex systems can be achieved by including non-linear spring constants, positive and negative damping, and the ability to change these system constants 'on-the-fly'.
Publication date
AffiliationNRC Institute for Ocean Technology; National Research Council Canada
Peer reviewedNo
IdentifierIR-1995-49
NRC number6210
NPARC number8895104
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Record identifier31701161-c9d0-4718-90ee-16ead50a3ce8
Record created2009-04-22
Record modified2016-05-09
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