A truly safely moving robot has to know what injury it may cause
- 1 October 2012
- conference paper
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- p. 5406-5413
- https://doi.org/10.1109/iros.2012.6386163
Abstract
Enabling robots to safely interact with humans is an essential goal of robotics research. The developments achieved over the last years in mechanical design and control made it possible to have active cooperation between humans and robots in rather complex situations. In these terms, safe behavior of the robot even under worst-case situations is crucial and forms also a basis for higher level decisional aspects. In order to quantify what safe behavior really means, the definition of injury, as well as understanding its general dynamics are essential. This insight can then be applied to design and control robots such that injury due to robot-human impacts is explicitly taken into account. In this paper we approach the problem from a medical injury analysis point of view in order to formulate the relation between robot mass, velocity, impact geometry, and resulting injury qualified in medical terms. We transform these insights into processable representations and propose a motion supervisor that utilizes injury knowledge for generating safe robot motions. The algorithm takes into account the reflected inertia, velocity, and geometry at possible impact locations. The proposed framework forms a basis for generating truly safe velocity bounds that explicitely consider the dynamic properties of the manipulator and human injury.Keywords
This publication has 22 references indexed in Scilit:
- On making robots understand safety: Embedding injury knowledge into controlThe International Journal of Robotics Research, 2012
- Requirements for Safe Robots: Measurements, Analysis and New InsightsThe International Journal of Robotics Research, 2009
- The DLR lightweight robot: design and control concepts for robots in human environmentsIndustrial Robot: the international journal of robotics research and application, 2007
- Fast and "Soft-Arm" TacticsIEEE Robotics & Automation Magazine, 2004
- A New Actuation Approach for Human Friendly Robot DesignThe International Journal of Robotics Research, 2004
- Quantitative Safety Guarantees for Physical Human-Robot InteractionThe International Journal of Robotics Research, 2003
- Safety Evaluation Method of Design and Control for Human-Care RobotsThe International Journal of Robotics Research, 2003
- Human-robot contact in the safeguarding spaceIEEE/ASME Transactions on Mechatronics, 1997
- Inertial Properties in Robotic Manipulation: An Object-Level FrameworkThe International Journal of Robotics Research, 1995
- Impedance Control: An Approach to Manipulation: Part I—TheoryJournal of Dynamic Systems, Measurement, and Control, 1985