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CAPSTONE PROJECT, 2023-2024

Automated Mechatronic Dosimetry System

Health Canada and Carleton University

How can robotics make medical radiation testing safer, faster, and more repeatable?

WHAT

In partnership with Health Canada, our team developed MEDS - the Mechatronic Dosimetry System, a 4-axis robotic gantry that automatically positions human-equivalent test phantoms during medical imaging experiments. The system moves and rotates the phantom with precise, computer-controlled motion, reducing the need for manual positioning.

WHY

Health Canada uses tissue-equivalent phantoms to study how radiation from medical imaging devices affects the human body. Manually positioning these phantoms inside CT and X-ray equipment is cumbersome and can introduce positioning errors that affect experimental data.

MEDS was designed to make this process safer, more accurate, and repeatable - giving researchers better control over phantom positioning while reducing manual intervention.

MY IMPACT

As Team Lead, I coordinated a nine-person team to turn an existing prototype into an operational 4-axis robotic positioning system for Health Canada, integrating mechanical, electrical, sensing, and software improvements. I also led the UX/UI design, creating an intuitive interface for real-time control, calibration, monitoring, and troubleshooting.

MEDS robotic gantry with Planmeca ProMax 3D Max and control software
Current Health Canada CBCT setup with manual phantom positioning
Clinician using the MEDS motion-sequence control interface
MEDS mechanical, electrical, and software subsystem diagram
MEDS capstone team with the robotic gantry