Modular and Decentralized PCU F. Bonnet, L. Rivière, C. Elisabelar, J. Chirat, S. Brun, H. Gras and J. Domingo-Salvany E3S Web Conf., 16 (2017) 18002 Published online: 23 May 2017 DOI: 10.1051/e3sconf/20171618002