[eng] This article explains an experience of knowledge's memorisation and the production of knowledge based system. Indeed SACHEM project deals with human holders and experts who are driving the working of the blast furnace. Before SACHEM know-how was only preserved in some part of the manpower....

[eng] Robotic developpement occurs with prior creations to Unimate and is strongly transformed by the diffusion of electronics' technologies which modified the artefact, Increasing adoption of new technical solutions in motorization, programmation and peripheries was not linear because...