National audienceThe objective of this thesis is to improve substantially the interaction between humans and robots for cooperative manipulation and object handover. Service robotic becomes a reality, but building robots capable to work naturally and safely with humans contact to exchange objects, to help disable persons in their daily tasks or to realize tasks in contact still requires important development. In particular new tools are necessary to better define and control motions. For this purpose we propose a trajectory controller based on a soft trajectory generator, then we present some application example.L’objectif de cette thèse est d’améliorer de manière significative les interactions entre humain et robot dans des tâches de manip...