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|Author(s):||William P. Shackleford; Sandor S. Szabo; Richard J. Norcross; Jeremy A. Marvel;|
|Title:||Integrating Occlusion Monitoring into Human Tracking for Robot Speed and Separation Monitoring|
|Published:||May 16, 2012|
|Abstract:||Collaborative robots work in close proximity to humans to perform a variety of tasks, while more traditional industrial robots need to be shut down whenever a human enters its work-volume. Instead of relying on physical barriers or merely detecting when someone enters the area, the collaborative system must monitor the position of every person who enters the work space in time for the robot to fully react. The TC 184/SC 2/WG 3 Industrial Safety group within the International Standards Organization (ISO) is developing the standards to help ensure these robots operate safely.  These robots require sophisticated sensing technologies that must handle dynamic interactions between the robot and the human. One potential safety risk is occlusion of a sensor's view due to placement of objects or the movement of people in front of a sensor. In this situation the robot could shut down as soon as even a single sensor was partially occluded. Unfortunately this would greatly diminish the extent to which the robot could work collaboratively. In this paper we examine how a human tracking system using multiple laser line scanners  was adapted to work with a robot Speed and Separation Monitoring (SSM) safety system and further modified to include occlusion monitoring.|
|Proceedings:||2012 Performance Metrics for Intelligent Systems Workshop|
|Location:||College Park, MD|
|Dates:||March 20-22, 2012|
|Keywords:||Human Tracking, Laser Line Scanners, Robotics, Safety|
|Research Areas:||Robotics, Manufacturing|
|PDF version:||Click here to retrieve PDF version of paper (594KB)|