Towards a Novel Safety Norm for Domestic Robotics


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Wassink, Martin and Stramigioli, Stefano (2007) Towards a Novel Safety Norm for Domestic Robotics. In: IEEE/RSJ International Conference on Intelligent Robots and Systems, Oct 29 - Nov 2 2007, San Diego, CA, USA (pp. pp. 3354-3359).

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Abstract:Safety is a critical success factor for consumer acceptance of domestic robotic products. Some researchers have adopted the Head Injury Criterion (HIC) as absolute safety norm. However, this norm covers only part of the safety risk. In many cases skin damage (e.g. cuts, wounds, etc) can be a more serious risk. This article shows how to work towards a novel absolute safety measure for evaluating the shape and material choices of a robotic design w.r.t. skin damage. The proposed safety norm evaluates the situation of an unintended uncontrolled collision of a robotic part against a human. Maximum curvatures of the exterior robotic shape are approximated as a sphere in contact with the human skin (locally approximated as a flat surface). This local spheric approximation of the impact contact is used to predict maximum tensile stress during impact of the robotic part on the human. Robotic designs that include points for which the tensile strength of the skin is exceeded will cause at least skin fracture and are therefore considered intrinsically unsafe. While in general applicable, this paper specifically addresses how to apply the proposed norm in the case of safety evaluation of robotic manipulators.
Item Type:Conference or Workshop Item
Copyright:© 2007 IEEE
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/64551
Official URL:http://dx.doi.org/10.1109/IROS.2007.4399199
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