Related Experiment Video
Updated: Apr 23, 2026

13:44
Haptic/Graphic Rehabilitation: Integrating a Robot into a Virtual Environment Library and Applying it to Stroke Therapy
Published on: August 8, 2011
15.7K
Wearable wireless tactile display for virtual interactions with soft bodies.
Gabriele Frediani1, Daniele Mazzei2, Danilo Emilio De Rossi2
1School of Engineering and Material Science, Queen Mary University of London , London , UK.
Frontiers in Bioengineering and Biotechnology
|September 17, 2014
Summary
This study introduces a wearable tactile display using dielectric elastomer actuators to simulate soft body contact in virtual reality. The compact device offers realistic haptic feedback for immersive virtual experiences.
Area of Science:
- Robotics
- Haptics
- Virtual Reality
Background:
- Virtual environments lack realistic tactile feedback, limiting immersion.
- Existing haptic devices can be bulky or lack nuanced force simulation.
Purpose of the Study:
- To develop a wearable, wireless, and compact tactile display for simulating soft body contact.
- To characterize the electromechanical properties and force perception capabilities of the device.
Main Methods:
- The device utilizes dielectric elastomer actuators integrated into a fingertip-mounted unit.
- A wireless control unit on the forearm manages the high-voltage circuitry.
- Electromechanical response, stress relaxation, and psychophysical tests were conducted.
Main Results:
- The tactile display successfully simulates contact with soft bodies.
- Characterization confirmed the electromechanical performance of the dielectric elastomer actuators.
- Psychophysical tests demonstrated the system's ability to generate perceivable force levels.
Conclusions:
- The developed wearable tactile display provides a viable solution for realistic haptic feedback in virtual environments.
- The use of dielectric elastomer actuators enables compact and effective tactile simulation.
- Further research can explore advanced applications in virtual reality and teleoperation.
Related Concept Videos
Design Example: Resistive Touchscreen
933
A device engineer plays a crucial role in designing user interfaces for mobile devices. One such interface is the resistive touchscreen, which fundamentally consists of two metallic layers: a flexible upper layer and a rigid lower layer, separated by a narrow gap. The high resistance between these two layers is a key characteristic of this design.
When a user touches the screen, the two layers make contact at a specific point known as the touchpoint. This contact reduces the resistance between...
When a user touches the screen, the two layers make contact at a specific point known as the touchpoint. This contact reduces the resistance between...
933
Virtual Work for a System of Connected Rigid Bodies
856
Virtual work is a powerful method used to solve problems involving several connected rigid bodies. When the system is in equilibrium, virtual work is zero. This allows the calculation of the resulting forces when a system undergoes a virtual displacement. When attempting to analyze such a system, first, use a free-body diagram, where an independent coordinate represents the configuration of the links, and mark its deflected position resulting from the positive virtual displacement.
Next,...
Next,...
856
