1. [2] ISO 13482:2014, Robots and robotic devices—Safety require-ments—Non-medical personal care robot.
2. [3] http://panasonic.co.jp/pptc/risyone/index.html
3. [4] http://panasonic.co.jp/news/topics/2014/120893.html
4. [5] ISO12100:2010, Safety of machinery—General principles for design—Risk assessment and risk reduction.
5. [6] ISO 13849-1:2006, Safety of machinery—Safety-related parts of control systems—Part 1: General principles for design.