Invited Keynote by Claude Cadoz – @ 15th Sound and Music Conference, Cyprus University of Technology, Limassol, Cyprus 4-7 July 2018 Title of the publication : Concepts and Technologies for Multisensory and Interactive Simulation of Physical Objects Application to Helios, a musical and visual artwork for the Helicanthe Platform of the ACROE. This presentation, in a first part, summarizes the genesis and the concepts that underline the paradigm of "multisensory and interactive simulation of physical objects" introduced and developed by ACROE, as well as their implementation in a technology which is fully mature today, especially the Hélicanthe platform. In a second part, explanations are given on an artwork of the author, Helios, entirely realized with these technologies. http://smc2018.cut.ac.cy/ With the support of EASTN-DC / EACEA