Haptic Technology is about sensation and control to interact with computer applications.

1. Prepared by:
Jignesh Khunt
Roll No : 25
MCA – IV
Department of Computer Science

2.  ‘Haptics’ is derived from the Greek word ‘haptikos’ which
means – ‘being able to come into contact’.
 Haptics is the science of applying touch (tactile) sensation and
control to interact with computer applications.
 bidirectional communication between humans and computers
to include sensory feedback.
 Haptics = Touch = Connection

3.  Virtual reality is a form of human-computer interaction
providing a virtual environment that one can explore
through direct interaction with our senses.

4.  User should be able to touch the virtual object and
feel a response from it.
 In order to complete the imitation of the real world
one should be able to interact with the environment
and get a feedback.
 This feedback is called Haptic Feedback.

5.  Haptics is implemented through different type of
interactions with a haptic device communicating with
the computer. These interactions can be categorized
into the different types of touch sensations a user can
receive:
1)Tactile Feedback
2)Force Feedback

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

8. 4
3
2
4 3
2
1
1
End effector
Hand
Actuators
Muscles
Sensors
Tactile
&
kinestheti
c Info:
Motor Commands
M
otion
Contact Forces
Virtual object
Position
information
MachineHuman
Motion
For
ces
Torque
Commands
Computer haptics
Sensors

9. It allows users to touch, feel and manipulate
3-D objects in virtual environments.

10.  Common interface devices like mouse and
joystick are only input devices. No feedback.
 Haptic devices are input-output devices.

11.  Provides a 3D touch to the virtual objects
 When the user move his finger, then he
could really feel the shape and size
of the virtual 3D object
that has been already
programmed

13.  The CyberGrasp system fits over the user's
entire hand like an exoskeleton and adds
resistive force feedback to each finger
 Adapted to different size of the
fingers
 Located on the back of the
hand

14.  A technology for feeling
sensation over total body

15.  Computer and video
games
 Disney Research Pittsburg
has Shown off a technology
called “Surround Haptics”
that bring real life experience
in video gaming and film
watching

16.  Personal computers-
Apple's MacBook and
MacBook Pro started
incorporating a "Tactile
Touchpad" design.
Mobile devices-
Tactile haptic feedback is
becoming common in
cellular devices. Nokia
and Prada implemented
it using piezoelectric sensor
pads.

17.  Robotics-Haptic technology
is also widely used in
teleoperation, or
telerobotics.
 Arts and design-
Haptics is used in virtual
arts, such as sound synthesis
or graphic design and
animation

18.  The Design Research Lab
in Berlin, Germany has
developed a haptic
feedback glove designed
specifically for blind users
to improve texting
capabilities.
 The Lorm glove allows
blind users to text by
tapping various sensors,
and to receive text via
vibrations.
Lorm glove

19.  Interaction Research group at
Microsoft Research Redmond
developing through
user touch and feel objects
inside the virtual world
 flat touch screen convey depth,
weight, movement, and shape
 moving a finger on the screen,
the user can interact with on-
screen 3-D objects and
experience different force
responses that correspond to
the physical simulation.

20.  Working time is reduced.
 Communication is centered through touch and the digital
world can behave like the real world.
 Increase confidence in medical field.
 With haptic hardware and software designer can feel the
result as if he/she were handling physical objects.

21.  Higher cost.
 Large weigh & size
 The precision of touch require a lots of advance design.