9 November 1994 Controlling a robot task using external redundant sensors
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Proceedings Volume 2247, Sensors and Control for Automation; (1994) https://doi.org/10.1117/12.193936
Event: Optics for Productivity in Manufacturing, 1994, Frankfurt, Germany
Abstract
Industry may potentially benefit a lot from the use of robots since they permit us to perform tasks that humans can not possibly do (in hostile environment, heavy devices to move...) with a better accuracy and an increased productivity. It is the same for surgical applications where robots are used as physical interfaces between computerized data and the real world for the execution of complex and/or accurate interventions. In this paper, we present a low-cost system whose purpose is to improve the safety by a redundant control when using robots. This system is based on a continuous monitoring of the position of a collection of passive markers by a set of standard video cameras. Since the task has been planned, the position of visible markers in the images can be predicted and can be verified with a limited image processing. Any significant discrepancy between the predicted position of a marker and the real one results in an emergency stop of the robot. The calibration procedures are presented and experimental results are described.
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
A. Poyet, A. Poyet, Jocelyne Troccaz, Jocelyne Troccaz, Philippe Cinquin, Philippe Cinquin, } "Controlling a robot task using external redundant sensors", Proc. SPIE 2247, Sensors and Control for Automation, (9 November 1994); doi: 10.1117/12.193936; https://doi.org/10.1117/12.193936
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