Fingertip Ultrasonic Array for Tactile Rendering

A miniature haptic stimulation device utilizes focused ultrasound to deliver a tactile haptic sensation to the finger. The 1-3 piezocomposite device has a 1 cm 2 footprint, which is an order of magnitude smaller than other ultrasonic haptic devices and is a good candidate for wearable tactile render...

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Bibliographic Details
Published in2024 IEEE International Conference on Robotics and Automation (ICRA) pp. 9682 - 9688
Main Authors Rozsa, Jace, Costrell, Sarah, Martinez, Melisa Orta, Fedder, Gary K.
Format Conference Proceeding
LanguageEnglish
Published IEEE 13.05.2024
Subjects
Acoustics
Focusing
haptics
High-voltage techniques
piezocomposite
Prototypes
Rendering (computer graphics)
Robot sensing systems
Ultrasonic imaging
ultrasound
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DOI10.1109/ICRA57147.2024.10610307

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Summary:A miniature haptic stimulation device utilizes focused ultrasound to deliver a tactile haptic sensation to the finger. The 1-3 piezocomposite device has a 1 cm 2 footprint, which is an order of magnitude smaller than other ultrasonic haptic devices and is a good candidate for wearable tactile rendering systems. The device focuses energy to a 1 mm 3 voxel. The current prototype was validated with a small, preliminary human subject study and requires an average input voltage of 68.8 V to elicit tactile sensation. The sensory drive voltage threshold will decrease with future refinement of mechanical impedance matching and focusing.
DOI:10.1109/ICRA57147.2024.10610307