Series-parallel elastic actuation (SPEA) with intermittent mechanism for reduced motor torque and increased efficiency. - Glenn Mathijssen; Branko Brackx; Michaël Van Damme; Dirk Lefeber; Bram Vanderborght (IROS, 2013)

On the use of adaptable compliant actuators in prosthetics, rehabilitation and assistive robotics. - Karen Junius; Pierre Cherelle; Branko Brackx; Joost Geeroms; Tim Schepers; Bram Vanderborght; Dirk Lefeber (RoMoCo, 2013)

Design of a modular add-on compliant actuator to convert an orthosis into an assistive exoskeleton. - Branko Brackx; Joost Geeroms; Jonas Vantilt; Victor Grosu; Karen Junius; Heidi Cuypers; Bram Vanderborght; Dirk Lefeber (BioRob, 2014)

Mechatronic design of a sit-to-stance exoskeleton. - Karen Junius; Branko Brackx; Victor Grosu; Heidi Cuypers; Joost Geeroms; Marta Moltedo; Bram Vanderborght; Dirk Lefeber (BioRob, 2014)

Design of a novel intermittent self-closing mechanism for a MACCEPA-based Series-Parallel Elastic Actuator (SPEA). - Glenn Mathijssen; Raphael Furnemont; Branko Brackx; Ronald Van Ham; Dirk Lefeber; Bram Vanderborght (IROS, 2014)

Torsion MACCEPA: A novel compact compliant actuator designed around the drive axis. - Raphael Furnemont; Glenn Mathijssen; Tom van der Hoeven; Branko Brackx; Dirk Lefeber; Bram Vanderborght (ICRA, 2015)

Instrumenting complex exoskeletons for improved human-robot interaction. - Victor Grosu; Carlos Rodriguez Guerrero; Branko Brackx; Svetlana Grosu; Bram Vanderborght; Dirk Lefeber (IEEE Instrum. Meas. Mag., 2015)

+SPEA introduction: Drastic actuator energy requirement reduction by symbiosis of parallel motors, springs and locking mechanisms. - Glenn Mathijssen; Raphael Furnemont; Tom Verstraten; Branko Brackx; Jasmina Premec; Rene Jimenez; Dirk Lefeber; Bram Vanderborght (ICRA, 2016)