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Modelling power flow in a hoist motor of a Rubber Tyred Gantry crane

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A method for calculating the power demand of the hoist motor in Rubber-Tyred Gantry (RTG) cranes has been developed in order to measure the energy consumption in a typical lift cycle. From measurements taken at the Port of Felixstowe it has been observed that the peculiar geometrical characteristics of the hoisting mechanism causes the power demand to increase with the container height in constant speed conditions. By using information extracted from the crane's schematics and trigonometry it has been possible to calculate the potential energy increase given the weight and vertical position of the container. In addition, the torque load on the hoist motor and the vertical speed of the mass have been calculated, allowing for the modelling of the hoist motor power consumption when lifting containers with constant rotational speed.
Original languageEnglish
Title of host publication2015 IEEE Industry Application Society Annual Meeting
ISBN (Electronic)978-1-4799-8394-0
ISBN (Print)978-1479983957
Publication statusPublished - Jan 2016
Event2015 IEEE Industry Applications Society Annual Meeting - Addison, United States
Duration: 18 Oct 201522 Oct 2015


Conference2015 IEEE Industry Applications Society Annual Meeting
CountryUnited States



    Rights statement: © © 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. DOI: 10.1109/IAS.2015.7356915

    Accepted author manuscript (Post-print), 6.25 MB, PDF document

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