This book constitutes the proceedings of the 4th International Conference on Biomimetic and
Biohybrid Systems Living Machines 2015 held in Barcelona Spain in July 2015. The 34 full
and 13 short papers presented in this volume were carefully reviewed and selected from 50
submissions. The themes they deal with are: locomotion particularly for soft-bodies novel
sensing and autonomous control systems and cognitive architectures social robots and
human-robot interaction.
