A geometric approach for automatic guidance of marine loading arms
Subject Areas : Journal of Simulation and Analysis of Novel Technologies in Mechanical Engineering
1 - Young Researchers and Elite Club, Damavand Branch, Islamic Azad University, Damavand, Iran
Keywords: Marine Loading Arm, Control of MLA, Hydraulic Proportional Valve, Oil and Gas Industries, Hydraulic Actuator,
Abstract :
This paper deals with an assembly of articulated piping titled Marine Loading Arm (MLA). The MLA is developed to transfer liquids and gasses between jetty and ship in order to load or unload cargo such as cryogenic or high temperature products, and the most corrosive or hazardous products. The purpose of this work is to automate the conduction of a self-supporting MLA balanced via two single adjustable counterweights by means of a simple and practical approach. The proposed strategy complies with the specifications advised by the Oil Companies and International Marine Forum (OCIMF) and industry requirements. This strategy employs a geometric method to determine the appropriate voltage value to drive the hydraulic actuators, which in turn enables safe and rapid control of the MLA from the berth to the coastal tanker flange. Furthermore, validation of the results is performed utilizing the motion simulation in ADAMS software. Finally, the electro-hydraulic circuit diagram for the actuator movement is suggested.
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