Combining control design tools - from modeling to implementation. - Christian Ridderström; Johan Ingvast; Jan Wikander (ICRA, 2001)

Quadruped posture control based on simple force distribution-a notion and a trial. - Christian Ridderström; Johan Ingvast (IROS, 2001)

The PVT, an Elastic Conservative Transmission. - Johan Ingvast; Jan Wikander; Christian Ridderström (Int. J. Robotics Res., 2006)

Toward a new force sensor for twisted string actuator: A study about the force on separator. - Yunjin Gu; Johan Ingvast; Jan Wikander (IROS, 2017)