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The Effect of Kinetic Friction on Lateral Stroking Perception in a Virtual Environment
1National Taiwan University, Taiwan.
Human Factors
|March 2, 2026
Summary
This study developed a hybrid tactile device combining vibration and skin stretch for better virtual texture perception. Integrating lateral skin stretch significantly improved texture discrimination accuracy in virtual environments.
Area of Science:
- Haptics and Human-Computer Interaction
- Robotics and Virtual Reality
Background:
- Lateral motion is key for human texture exploration, involving vibration and friction.
- Existing tactile devices often lack realistic friction simulation, limiting virtual texture perception.
Purpose of the Study:
- To develop a hybrid handheld tactile device integrating vibration and kinetic friction feedback.
- To enhance lateral stroking tactile discrimination in virtual environments.
Main Methods:
- Designed a device simulating kinetic friction via fingerpad skin stretching.
- Used vertical vibrations for surface texture information.
- Conducted experiments to evaluate skin stretch effectiveness.
Main Results:
- Vibration feedback alone struggled with similar textures.
- Lateral skin stretch significantly improved texture discrimination accuracy (57.5% to 81.9%).
- Participants reported enhanced realism with lateral force feedback.
Conclusions:
- Lateral skin stretch integration improves tactile discrimination and realism in virtual interactions.
- The hybrid device offers more perceptually accurate haptic feedback.
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