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A list of all the posts and pages found on the site. For you robots out there, there is an XML version available for digesting as well.
Pages
Posts
Future Blog Post
Published:
This post will show up by default. To disable scheduling of future posts, edit config.yml and set future: false. Read more
Blog Post number 4
Published:
This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool. Read more
Blog Post number 3
Published:
This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool. Read more
Blog Post number 2
Published:
This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool. Read more
Blog Post number 1
Published:
This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool. Read more
portfolio
COAST Guidewire Robot
Coaxially Aligned STeerable Guidewire with Integrated Shape and Force Sensing Read more
Portfolio item number 2
Short description of portfolio item number 2 
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publications
Automated motion control of the COAST robotic guidewire under fluoroscopic guidance
Published in IEEE ISMR, 2021
This paper introduces a novel, tailored path-planning algorithm for contorl of steerable guidewires. Read more
Recommended citation: Ravigopal, S. R., Brumfiel, T. A., & Desai, J. P. (2021, November). Automated motion control of the COAST robotic guidewire under fluoroscopic guidance. In 2021 International Symposium on Medical Robotics (ISMR) (pp. 1-7). IEEE.
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Fluoroscopic image-based 3-D environment reconstruction and automated path planning for a robotically steerable guidewire
Published in IEEE Robotics and Automation Letters, 2022
This work introduces 3D Reconstruction Algorithm for C-arm Fluoroscopy and a novel 3D Path-planning algorithm with open-loop control validation. Read more
Recommended citation: S. R. Ravigopal, T. A. Brumfiel, A. Sarma and J. P. Desai, "Fluoroscopic Image-Based 3-D Environment Reconstruction and Automated Path Planning for a Robotically Steerable Guidewire," in IEEE Robotics and Automation Letters, vol. 7, no. 4, pp. 11918-11925, Oct. 2022, doi: 10.1109/LRA.2022.3207568.
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Design, analysis, and demonstration of the COAST guidewire robot with middle tube rotation for endovascular interventions
Published in Nature Portfolio Scientific Reports, 2024
This work introduces a novel design of a robotic guidewire with optimized design parameters based on empirical and mechanics analysis along with teleoperated validation. Read more
Recommended citation: Ravigopal, S.R., Konda, R., Malhotra, N. et al. Design, analysis, and demonstration of the COAST guidewire robot with middle tube rotation for endovascular interventions. Sci Rep 14, 27629 (2024). https://doi.org/10.1038/s41598-024-75871-7
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talks
Image Guidance for Robotically Steerable Guidewires for Minimally Invasive Endovascular Surgery
Published:
HeRO Research in Progress Seminar Emory University: Robotically Steerable guidewires can be controlled through image-bsed control form multimodal imaging through ultrasound and fluoroscopy. I discussed the methods that we used to perform this. Read more
C-arm fluoroscopy-guided Pose Estimation and Path Planning of Surgical Robots
Published:
Harvard Medical School: National Image Guided Therapy Workshop : C-am fluoroscopy-guided Pose Estimation and Path Planning of Surgical Robots Read more
Design, Analysis, and Demonstration of the COAST Guidewire Robot with Middle Tube Rotation for Endovascular Interventions
Published:
Best Poster Award for 𝟮𝟬𝟮𝟱 𝗜𝗖𝗥𝗔 𝗪𝗼𝗿𝗸𝘀𝗵𝗼𝗽: “𝗥𝗼𝗯𝗼𝘁-𝗔𝘀𝘀𝗶𝘀𝘁𝗲𝗱 𝗘𝗻𝗱𝗼𝘃𝗮𝘀𝗰𝘂𝗹𝗮𝗿 𝗜𝗻𝘁𝗲𝗿𝘃𝗲𝗻𝘁𝗶𝗼𝗻𝘀: 𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲𝘀 𝗮𝗻𝗱 𝗢𝗽𝗽𝗼𝗿𝘁𝘂𝗻𝗶𝘁𝗶𝗲𝘀” 𝗧𝗶𝘁𝗹𝗲: Design, Analysis, and Demonstration of the COAST Guidewire Robot with Middle Tube Rotation for Endovascular Interventions 𝗔𝘂𝘁𝗵𝗼𝗿𝘀: Sharan Ravigopal, Revanth Raghuram Konda, Nidhi Malhotra, Jaydev Desai Read more
Enabling Distal Rotation in a Robotically Steerable Guidewire: An Initial Approach
Published:
𝗕𝗲𝘀𝘁 𝗣𝗼𝘀𝘁𝗲𝗿 𝗔𝘄𝗮𝗿𝗱 𝗥𝘂𝗻𝗻𝗲𝗿-𝘂𝗽 𝗮𝘁 𝟮𝟬𝟮𝟱 𝗜𝗖𝗥𝗔 𝗪𝗼𝗿𝗸𝘀𝗵𝗼𝗽 𝘁𝗶𝘁𝗹𝗲𝗱 “𝗨𝗯𝗶𝗾𝘂𝗶𝘁𝗼𝘂𝘀 𝗠𝗲𝗱𝗶𝗰𝗮𝗹 𝗥𝗼𝗯𝗼𝘁𝗶𝗰𝘀: 𝗟𝗲𝘀𝘀𝗼𝗻𝘀 𝗟𝗲𝗮𝗿𝗻𝗲𝗱, 𝗩𝗶𝘀𝗶𝗼𝗻 𝗕𝗲𝘆𝗼𝗻𝗱”: “Enabling Distal Rotation in a Robotically Steerable Guidewire: An Initial Approach” Read more
teaching
Graduate Teaching Assistant: Robotics & Controls
Graduate Teaching Assistant, Georgia Institute of Technology, 2025
- Course Instruction: Assisted in the instruction of graduate-level robotics courses, focusing on control theory, autonomous systems, and robotic manipulation.
- Lab Leadership: Supervised hands-on laboratory sessions where students programmed and deployed algorithms on physical robotic platforms (e.g., TurtleBots, Franka Emika).
- Technical Mentorship: Provided one-on-one technical guidance during office hours, helping students debug complex Python/C++ code and implement Kalman filters and PID controllers.
- Grading & Assessment: Evaluated technical reports and final project codebases, ensuring students met the rigorous standards of the Georgia Tech Robotics Ph.D. program.
- Collaboration: Worked closely with faculty to refine course materials and integrate modern industry tools like ROS2 and NVIDIA Isaac Sim into the curriculum.
Robotics Research Mentor
Research Mentor, Lumiere Education, 2025
- Independent Research Guidance: Mentored high-achieving students through the full lifecycle of independent research projects in Machine Learning, Robotics, and Biomedical Engineering.
- Methodological Supervision: Provided expert guidance on research design, sensor fusion methodology, and statistical analysis for autonomous systems.
- Publication Support: Assisted mentees in drafting and refining technical manuscripts for submission to high-school journals and international science competitions (ISEF, JSHS).
- Project Management: Managed multiple project timelines simultaneously, fostering a professional environment that emphasized critical thinking and hardware-software integration.