Construction of Ultrasonic Tactile Force Feedback Model in Teleoperation Robot System

Area of Science:

• Robotics
• Human-Computer Interaction
• Acoustic Technology

Background:

• Ultrasonic phased arrays are emerging tools for aerial tactile interaction.
• Current methods lack remote variable force feedback capabilities for ultrasonic phased arrays.

Purpose of the Study:

• To develop and evaluate a force tactile feedback method for teleoperating robot systems using ultrasonic phased arrays.
• To enable remote variable force feedback by focusing on fingertips and mapping input parameters to perceived intensity.

Main Methods:

• Physical experiments to determine the influence of input parameters on output pressure intensity.
• Psychophysical experiments to study human absolute and difference perception thresholds.
• Construction of a force regression model to map parameters to perceived intensity.

Main Results:

• Selected input parameters based on experimental findings.
• Developed a model that maps parameters to perceived sensory output intensity.
• The force feedback system demonstrated good perceptual quality in evaluations.

Conclusions:

• The proposed method successfully achieves remote variable force feedback using ultrasonic phased arrays.
• The system enhances teleoperation by providing sensory output corresponding to intensity changes.
• This advancement holds potential for more immersive and intuitive human-robot interaction.