It's our great pleasure to invite you to participate in the 9th Portuguese Conference on Automatic Control – CONTROLO’2010, to be held in Coimbra, from 8 to 10 September 2010. This event is organized in cooperation with APCA and the School of Sciences and Engineering of the University of Coimbra (FCTUC). APCA is the Portuguese Association of Automatic Control, which is a national member organization of the International Federation of Automatic Control (IFAC). The event is also organized in close cooperation with the Mechanical Engineering Research Center of the University of Coimbra (CEMUC), which activity in automation and robotics is well known.