In this paper, we present a method and a computer environment called Smart-Project that can support online student-centered project-based learning (PBL) activities. This environment can also facilitate communication and collaboration between distant actors. We have used a multi-agent system in order to provide a support and an assistance for technicalteaching team. We have proposed a method called OFTP that can help technical-teaching team to elaborate PBL specifications, a matrix called LRP where a project must be obligatorily located in it and finally, we have also proposed a simple model called RDV which describes the realization process of an elementary task of project.