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Demonstration of a high-fidelity predictive/preview display technique for telerobotic servicing in space

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2 Author(s)
W. S. Kim ; Jet Propulsion Lab., California Inst. of Technol., Pasadena, CA, USA ; A. K. Bejczy

A highly effective predictive/preview display technique for telerobotic servicing in space under several seconds communication time delay has been demonstrated on a large laboratory scale. The technique is based on a high-fidelity calibration procedure that enables a high-fidelity overlay of 3-D graphics robot arm and object models over given 2-D TV camera images of robot arm and objects. To generate robot arm motions, the operator can confidently interact in real time with the graphics models of the robot arm and objects overlaid on an actual camera view of the remote work site. The technique also enables the operator to generate high-fidelity synthetic TV camera views showing motion events that are hidden in a given TV camera view or for which no TV camera views are available. The positioning accuracy achieved by this technique for a zoomed-in camera setting was about ±5 mm, well within the allowable ±12 mm error margin at the insertion of a 45cm long tool in the servicing task

Published in:

IEEE Transactions on Robotics and Automation  (Volume:9 ,  Issue: 5 )