haptics 2011
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8/3/2019 Haptics 2011
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Presented By:- Manish Kumar Singh Roll no:09MC09
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• Haptics, is the technology of adding thesensation of touch and feeling to computers.
• A haptic device gives people a sense of touchwith computer-generated environments, so thatwhen virtual objects are touched, they seem realand tangible.
• Understanding and enabling a compellingexperience of Presence not limited to "beingthere", but extended to "being in touch" withremote or virtual surroundings.
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• User should be able to touch the virtual object andfeel a response from it.
• In order to complete the imitation of the real world
one should be able to interact with theenvironment and get a feedback.
• This feedback is called Haptic Feedback
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• Human Haptics • Machine Haptics • Computer Haptics
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• Virtual reality is a form of human-computerinteraction providing a virtual environment that onecan explore through direct interaction with oursenses.
• It’s only an imitation of the real world.
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Haptics is implemented through different type ofinteractions with a haptic device communicatingwith the computer. These interactions can becategorized into the different types of touch
sensations a user can receive: • Tactile feedback • Force feedback
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• Refers to the sensations felt by the skin. • It allows the user to feel things such as the texture
of surfaces, temperature and vibration.
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• It reproduces the directional forces that can resultfrom solid boundaries.
• E.g. the weight of virtual objects, inertia, etc.
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It allows human to touch, feel and manipulate3-D objects in virtual environments.
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• Common interface devices like mouse and joystickare only input devices. No feedback.
• Haptic devices are input-output devices.
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PHANTOM® interfacefrom Sensable Technologies
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This device fits over the user's entire hand like an exoskeleton and adds resistiveforce feedback to each finger
Immersion
Corporation
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Force FeedBackBy Logitec
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• Games • Virtual reality • Virtual surgery• Tele-presence • Military Training in virtual environment. • Robot Control
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Make real experience ofgaming
Novint Falcon hapticscontroller
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Nokia and PrainaImplemented usingpiezoelectric sensor pads
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• The next important step towards realisticallysimulated environments that have been envisionedby science fiction authors.
• Large potential for applications in critical fields as
well as for leisurely pleasures.• Haptic devices must be smaller so that they are
lighter, simpler and easier to use.
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