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Design and development summary of a variable buoyancy system for underwater vehicles

Joint Webinar on World Summit on Automotive and Autonomous Systems and International Conference and Exhibition on Mechanical and Aerospace Engineering

September 17, 2021 | Webinar

Rajiv Sharma

Indian Institute of Technology Madras, India

ScientificTracks Abstracts: RRJET


Herein, we present the design and development summary of a ‘Variable Buoyancy System (VBS)’ for ‘Underwater Vehicles (UVs)’ through the realization of the designed VBS and study its performance. We have been able to realize the VBS in terms of a product and have studied its performance in integration with the UV incorporating the dynamics and kinematics of UV. We focus on the product realization of designed VBS and investigate its performance in the ‘standalone’ mode and as a limitation we note here that present study has been limited to the control in a single degree of freedom, i.e. in the vertical plane only


Dr. R. Sharma received his BE degree in Civil Engineering from the Indian Institute of Technology, Roorkee (formerly University of Roorkee, Roorkee) in 1994; MTech degree in Ocean Engineering in 1999 and PhD in Computer Aided Design and Manufacturing from the Indian Institute of Technology Kharagpur, India in 2008. Presently, he is working as Professor at the Department of Ocean Engineering, Indian Institute of Technology Madras, Chennai, India. He directs the Design and Simulation Laboratory at IIT Madras and his research interests are: Fatigue; fracture mechanics of materials; structural integrity assessment; design, analysis and production of marine structures; and scientific computing. He has edited and authored a monograph entitled ‘Structural Analysis and Design of Pressure Vessels - Submarine Design and Engineering’. Currently, he is leading many research and development projects in the areas of Submarine and Underwater Vehicles; and short courses on Warships, Underwater Vehicles and Systems for the Indian Navy, and Indian Shipyards.

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