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Journal of the Southern African Institute of Mining and Metallurgy
versión On-line ISSN 2411-9717
versión impresa ISSN 2225-6253
Resumen
OJUMU, M.O. y RAJI, A.K.. Structural frame analysis of an electrically powered robotic subsea dredging crawler under static loading conditions. J. S. Afr. Inst. Min. Metall. [online]. 2023, vol.123, n.10, pp.491-499. ISSN 2411-9717. http://dx.doi.org/10.17159/2411-9717/2308/2023.
Robotic subsea dredging crawlers are dynamically and remotely controlled vehicles that are used for deep sea mining and recovery operations. These exploration machines are released from a mother ship and move around on the ocean floor using tracks. Current ocean crawlers such as the MK3 ROST are hydraulically powered. In this paper we develop a scaled-down model for simulating and performing static loading analysis of an electrically powered robotic subsea dredging crawler (EPRSDC). The modeling, simulation, and analysis were carried out using modelling software from Solidworks. The structural frame was assembled using the Tetrix max robotics kit. The kit's structural components were produced from 1050 aircraft-grade aluminum. The results were used in optimizing and for considering other materials, and the to identify specific areas to be reinforced in future crawler designs.
Palabras clave : static loading; subsea crawler; NI-myRIO; hydraulic crawler; ocean crawler; electrically powered; dredging crawler.