The book summarizes the results of the European research project " Intelligent fixtures for the manufacturing of low rigidity components" (INTEFIX) The structure of the book follows the sub-projects which are dedicated to case studies within the scenarios "vibrations" "deformations" & "positioning" The INTEFIX project deals with the development & analysis of several exemplary types of intelligent sensor & actuator integrated fixtures for the clamping of sensitive workpieces in cutting machine tools Thus the book gives a representative overview about this innovative field of technology The demands of the case studies are described & the technological approaches & solutions are introduced Furthermore innovative methods for the design & optimization of intelligent fixtures are presented