1. Cutler, D.R., Pailthorp, R.M., Unrath, M.A. High speed, high accuracy multi-stage tool positioning system. 1998. URL: http://www. freepatentsonline.com/5751585.html.
2. Regaard, B., Kaierle, S., Heinemann, S., Patwa, R., Steinbrecher, J.P. Welding head for ‘self-guided’ laser welding. In: 28th International Congress on Applications of Lasers & Electro-Optics. 2009, p. 353-358.
3. Fast tool servo control for ultra-precision machining at extremely low feed rates;Ku;Mechatronics,1998
4. Control of redundant manipulators for task compatibility;Chiu;Proceedings of the 1987, IEEE., International Conference on Robotics, Automation,,1987
5. Industrial communication networks - fieldbus specifications. IEC 61158; International Electrotechnical Commission; 2014.