30-03-2012, 11:11 AM
HAPTIC SYSTEMS
haptic-technology-ppt.ppt (Size: 1.97 MB / Downloads: 50)
OUTLINE
IMPORTANT CONCEPTS IN HAPTICS.
EXAMPLES OF HAPTIC COMMERCIAL PRODUCTS.
APPLICATION IN VARIOUS FIELDS.
SUMMARY.
WHAT IS ‘HAPTICS’ ?
HAPTICS-The technology that interfaces human interaction with external enviroinment via touch.
Developing a computer controlled system to physically interact with a Virtual or remote enviroinment.
Originated from the Greek word ‘HAPTETHESAI’.
HAPTIC INFORMATION
TACTILE INFORMATIONS
KINESTHETIC INFORMATION
HAPTIC INFORMATION=TACTILE +KINESTHETIC INFORMATION
VIRTUAL REALITY
1) Creation of an artifi-cial environment.2) 3D effect.3) Increased realism.4) Special sensory input devices are used.
HAPTIC FEEDBACK
BASIC BLOCK DIAGRAMMAIN ELEMENTS:1) Simulation Engine2) Haptic Rendering Algorithms3) Transducers
HAPTIC DEVICES
A device that intervenes a user and computer for hapticinteractions.
CLASSIFICATION
VIRTUAL REALITY/TELEROBOTICS
Exoskeletal devices
Gloves and wearable devices
Point sources
2) FEEDBACK DEVICES
Force feedback devices
PHANTOM
i) Devoloped by Sensable Tech.ii) 6 DOF device.iii) Pen based interaction.iv) Serial linkage.v) Force feedback.vi) Was the break-through performancein the field of haptics.
CYBERGLOVE
Devoloped by Immersion corp.Basic system includes1) Cyberglove.2)An instrumentation unit.3) A serial connection to the computer.4) A virtual hand graphicmodel display.