Publications by P.Y. Richard There are ... items referenced. Alternative author names: P.Y. Richard. 2004 -- C. Morvan, H. Cormerais, P.Y. Richard, J. BuissonExtending passivity based control to dae systems with boolean inputs 2008 -- H. Cormerais, J. Buisson, P.Y. Richard, C. MorvanModelling and Passivity Based Control of switched systems from bond graph formalism: Application to multicellular converters