MRI Compatible Integrated Piezoelectric Harmonic Actuator
MRI Compatible Integrated Piezoelectric Harmonic Actuator
Embedded Files
Designed a zero backlash actuator to be compatible with a brain surgery robot for doing operations inside an MRI machine. I created (designed, prototyped, and fabricated) a solution that utilized a plastic harmonic drive gearbox integrated with a piezo-motor inside the flex spline to create a more compact actuator. This combined with innovations from the team such as using plastic for the piezo-motor's stator, led to the creation of a prototype actuator that is precise, MRI safe, and completely non-metallic.
Exterior case for MRI actuator
Exterior case for MRI actuator
Total outer dimensions are within a 51.5mm x 51.5mm x 38mm cube
Example of harmonic drive
Example of harmonic drive
Try to follow one gear tooth to gain a better understanding of how it works
IntegratedPiezoHarmonicDrive.pdfIntegratedPiezoHarmonicDriveNewAni.mp4
Page updated
Google Sites
Report abuse