IET is a multi-disciplinary research unit of CICS.NOVA research centre, located in FCT-UNL, a faculty in the area of engineering, science and technology. IET was founded as an independent research centre in 2002 from various research groups with experience in national and international networks. Ten years after started a process to FCT-UNL pole of CESNOVA research centre. And from 2014 CESNOVA was integrated with other research centres in the new CICS.NOVA,