1. HAPTIC TECHNOLOGY
ASHWINI P
1PE06CS017

2. OUTLINE Definition Introduction Technology Working Haptic devices
Applications
Advantages & Disadvantages
Conclusion

3. DEFINITION
‘Haptics’ is derived from the Greek word ‘haptikos’ which means-”being able to come into contact with” THE SCIENCE OF TOUCH

4. INTRODUCTION
Haptics, is the technology of adding the sensation of touch and feeling to computers.
A haptic device gives people a sense of touch with computer-generated environments, so that when virtual objects are touched, they seem real and tangible.
Understanding and enabling a compelling experience of Presence not limited to "being there", but extended to "being in touch" with remote or virtual surroundings

5. TECHNOLOGY Haptic interactions can be categorized into
the different types of touch sensations a user
can receive:
Tactile feedback
Force feedback

6. Tactile feedback Refers to the sensations felt by the skin.
It allows the user to feel things such as the texture of surfaces, temperature and vibration.

7. Force feedback
It reproduces the directional forces that can result from solid boundaries.
E.g. the weight of virtual objects, inertia, etc.

8. How it Works ?

9. Haptic Feedback The application’s main elements are:
1) The simulation engine
2) Visual, auditory, and haptic rendering algorithms
3) Transducers

10. Haptic Rendering

11. Classification of Haptic Devices
Virtual reality/ Telerobotics based devices
i) Exoskeletons and Stationary device
ii) Gloves and wearable devices
iii) Point-sources and Specific task devices
iv) Locomotion Interfaces
Feedback devices
i) Force feedback devices
ii) Tactile displays

12. Exoskeletons
large and immobile systems that the user must attach him or herself to.
their large size and immobile nature allow for the generation of large and varied force information.

13. Gloves and wearable devices
The user can move naturally without being weighed down by a large exoskeleton or immobile device

14. Point-sources and Specific task devices
Single point of contact
Specialized for performing a particular task.
Restricts the device to perform few functions

15. Locomotion Interface and full body force feedback
In a confined space, simulate unrestrained human mobility such as walking and running for virtual reality.

16. PHANTOM DEVICE
Developed by
sensable technologies.
Provides 3D touch

17. Working of Phantom
The dc motor assembly is mainly used for converting the movement of the finger into a corresponding virtual movement.

18. Cyberglove
The segments of the glove are made of aluminum and can withstand high charges;
total weight does not surpass 350 grams.

19. Adapted to different size of the fingers
contd…
Adapted to different size of the fingers
Located on the back of the hand
Offers complete security

20. APPLICATIONS Surgery Military Applications Arts and design
Human assistive devices
Mobiles
Games & many more…

21. Surgical Simulation
Visual and haptic feedback is sent to the surgeon through endoscopic cameras and force sensors located on surgical tool.

22. Military Applications
Flight simulators
accurate simulation of real events in a safe, controlled environment
Gives user haptic feedback

23. Disadvantages Expensive
Haptic interfaces can only exert forces with limited magnitude and not equally well in all directions
haptic device position sensors have finite resolution.

24. CONCLUSION
The next important step towards realistically simulated environments that have been envisioned by science fiction authors and futurists alike.
Large potential for applications in critical fields as well as for leisurely pleasures.
Haptic devices must be miniaturized so that they are lighter, simpler and easier to use.

25. THANK YOU