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Human - robot coordination for multi - sized quadrupled robot using wireless communication

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3 Author(s)
K. Shyam Ravi Shanker ; National Institute of Technology - Tiruchirapalli, India ; C. Mala ; N. P. Gopalan

A quadrupled robot which can swim smoothly, walk and climb over obstacles has plenty of applications in military and industry. It has extensive monitoring and maneuvering capability attainable at a low driving voltage and has a good response to external stimuli with soft characteristics. This paper presents the methods for making the robotpsilas motion to be in congruence with that of the human being who operates it, obviating the need for sensors. An efficient design of cost effective robots of various sizes which can be interfaced with a single Teaching Hand Gripper (THG) designed specifically for the palm and fingers for their operation has also been proposed. The THG is calibrated to overcome the discrepancies among potentiometers used for robot motion. The performance of the proposed system is tested on a robot with one or two joints and the results are presented for simple closed loop system. The robot and the THG are analyzed for the similarity in movements using two joints to prove the pattern. The robot is given fast, medium and slow responses as inputs such that a variation of 30 degrees is achieved in time intervals of 1, 2 and 3 sec in a single joint. The output lag and the system efficiency are analyzed.

Published in:

2008 IEEE International Conference on Technologies for Practical Robot Applications

Date of Conference:

10-11 Nov. 2008