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Abstract #2855

Simple and cost-effective 3D field mapping robot

Ivan Etoku Oiye1, Pavan Poojar2, and Sairam Geethanath1
1Diagnostic, Molecular and Interventional Radiology, Icahn School of Medicine, New York, NY, United States, 2Icahn School of Medicine, New York, NY, United States

Synopsis

Keywords: Low-Field MRI, New Devices, Feild mapping robot

Motivation: Measurement of parameters like magnetic field and temperature inside a magnet bore is of interest at all MR magnetic field strengths to characterize the system and use that information for downstream image quality improvement or to determine safety thresholds.

Goal(s): Build and test a simple 3D movement robot.

Approach: we design, build and test a simple 3D movement robot with a sensor holder as a standalone system using a Raspberry Pi and a 16 channel ADC hat.

Results: The robot is capable of sub-millimeter measurements. We demonstrate the 3D field mapping of a 50mT scanner as an example use of the robot.

Impact: We designed and built a $2000 3D field mapping robot to map a very low field scanner’s magnet. The system is standalone exploiting Raspberry Pi’s system on a chip architecture and is scalable to include 16 analog inputs (sensors).

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Keywords

field