Off-loading-line motion compensation on vessels

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dc.contributor.advisorNachlinger, R. Ray.
dc.contributor.committeeMemberSchneider, William P.
dc.contributor.committeeMemberMichalopoulos, Constantine D.
dc.creatorFakharmanesh, Mohamad
dc.date.accessioned2022-10-06T16:18:03Z
dc.date.available2022-10-06T16:18:03Z
dc.date.issued1975
dc.description.abstractHere, several problems due to vessel motions during load handling on a floating vessel and their consequences are presented. In particular, off loading using a cable and winch is considered in detail. The cable is simplified as a spring with its mass attached to its end. The effect of this cable on payload motion is investigated and the need for controlling the payload motion for safe operation is clearly indicated. It is shown that a control system using feedback signals from the lower end of the cable can effectively eliminate undesired motions of the payload even during reasonably large vessel motions. A typical system is designed which will provide satisfactory performance and which requires only a nominal amount of winch power. The major, but solvable, problem is the transmission of the feedback signals from the end of the cable.
dc.description.departmentMechanical Engineering, Department of
dc.format.digitalOriginreformatted digital
dc.format.mimetypeapplication/pdf
dc.identifier.other2397503
dc.identifier.urihttps://hdl.handle.net/10657/12102
dc.language.isoen
dc.rightsThis item is protected by copyright but is made available here under a claim of fair use (17 U.S.C. Section 107) for non-profit research and educational purposes. Users of this work assume the responsibility for determining copyright status prior to reusing, publishing, or reproducing this item for purposes other than what is allowed by fair use or other copyright exemptions. Any reuse of this item in excess of fair use or other copyright exemptions requires express permission of the copyright holder.
dc.titleOff-loading-line motion compensation on vessels
dc.type.dcmiText
dc.type.genreThesis
thesis.degree.collegeCullen College of Engineering
thesis.degree.departmentMechanical Engineering, Department of
thesis.degree.disciplineMechanical Engineering
thesis.degree.grantorUniversity of Houston
thesis.degree.levelMasters
thesis.degree.nameMaster of Science

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