Robotics a friend for assisting handicapped people-(s.surya,s.vidhya)
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Transcript of Robotics a friend for assisting handicapped people-(s.surya,s.vidhya)
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PRESENTED BYD.KAVITHAIII BE ECE
JAYARAM ENGINEERING COLLEGE OF TECHNOLOGY
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Developed at the University Bermen’s Institute of Automation(IAT)
Offers increased control functionality for the disabled users
Robot arm MANUS was specially designed for people with upper-limb impairments
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Electric wheelchair Robot arm MANUS Dual Pentium PC CAN-bus RS-232 interface Tray and flat LCD display Mini camera Speech recognition software Arm controller
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THE ROBOTICS SYSTEM FRIEND
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ARCHITECTURE OF THE SYSTEM FRIEND
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Programming may be done using either Teach-in procedure Robot Programming by
Demonstration(RPD)
Control By user Autonomous control by the system
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Programmer demonstrates task to be executed with his own hand
Motions are measured, recorded and processed
Measurements are not used in simple pick and place
Used to execute complex trajectories without difficulty inspite of variable initial conditions
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DEMONSTRATION
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POURING A GLASS
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EXPERIMENTAL RESULTS
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FRIEND uses a grasp utility- labeled objects Visual servoing with a gripper-mounted
camera is used along with TbS To grasp the same object the gripper is
moved to taught grasp position. It may be manually done or automatically
done.
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START AND END OF PICK ACTION
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Computes the change in position of the robot
In new position control algorithm is used to reach the taught relative position
A controller must Drive the gripper from any reasonable starting
position to the gripping position Must ensure that the object marker remains in
the image during the motion
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Positioning the wheelchair too close to the object causes
collision with the shelf.
Grasping without collision from a surface (optimal) wheelchair
location.
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Laborious Time delay in speech recognition system Improvement arises with semi-autonomous
actions Research and development is still required Future work will focus on
Analysis and implementation of semiautonomous actions
Simplification of MMI Improvement of the safety functions
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Thank You
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Queries???