TY JOUR TI The principles of conceptual approach to subsystem creation the TOOL in the smart passport of the multioperational machine KW Smart-passport KW multioperation machine KW tool state monitoring KW knowledge system KW tool software management KW fuzzy boundary resistance. JO Vestnik of Don State Technical University AU Tugengold, A.. AU Izyumov, A.. PY 2014 IS 14 PB Don state technical University