Design and numerical analysis of streamlined housing structure for underwater robots

Jiaqi Zhang; Yonghe Xie; Detang Li

doi:10.1117/12.3011107

1 December 2023 Design and numerical analysis of streamlined housing structure for underwater robots

Jiaqi Zhang, Yonghe Xie, Detang Li

Proceedings Volume 12940, Third International Conference on Control and Intelligent Robotics (ICCIR 2023); 129402L (2023) https://doi.org/10.1117/12.3011107
Event: Third International Conference on Control and Intelligent Robotics (ICCIR 2023), 2023, Sipsongpanna, China

Abstract

In order to ensure that the robot has good mechanical properties, stability and hydrodynamic characteristics in underwater motion, and to protect the ROV core control module, battery compartment and other internal precision systems, this paper develops and designs a streamlined underwater robot shell, operating at a depth of 50m, with an overall theoretical linear design, regular shape using strength theory calculations and stress simulation analysis methods, and irregular shape using Solidworks Simutian numerical simulation method, based on Fluent for the overall shell in the fluid stress analysis. The results show that the stress σ₁= 9.33MPa and yield pressure p_CR₁ = 13.368MPa for the large spherical shell; the stress σ₂ = 6.67MPa and yield pressure p_CR₂ = 13.44MPa for the small spherical shell, both of which are less than the theoretical stress of 42.5MPa and yield pressure P_j=0.8MPa to meet the design requirements for strength and stability; the circular table shape and parabolic The maximum equivalent stress is 0.728MPa ≤ σ_s=50MPa, which meets the physical properties of ABS material; by simulating the stress changes in the three degrees of freedom of the ROV shell in and out, lift and rudder, 527.202Pa, 535.1Pa and 529.1Pa respectively, The yield strength of ABS material is 50MPa, which is much higher than the stresses in the three degrees of freedom of the ROV shell inlet and outlet, dive and rudder, indicating that the ROV meets the stress design requirements in the water.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Jiaqi Zhang, Yonghe Xie, and Detang Li "Design and numerical analysis of streamlined housing structure for underwater robots", Proc. SPIE 12940, Third International Conference on Control and Intelligent Robotics (ICCIR 2023), 129402L (1 December 2023); https://doi.org/10.1117/12.3011107

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KEYWORDS

Design and modelling

Spherical lenses

Robots

Computer simulations

Numerical analysis

Shape analysis

Deformation

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