The DLR hand arm system. - Markus Grebenstein; Alin Albu-Schäffer; Thomas Bahls; Maxime Chalon; Oliver Eiberger; Werner Friedl; Robin Gruber; Sami Haddadin; Ulrich Hagn; Robert Haslinger; Hannes Höppner; Stefan Jörg; et al. (ICRA, 2011)

The Grasp Perturbator: Calibrating human grasp stiffness during a graded force task. - Hannes Höppner; Dominic Lakatos; Holger Urbanek; Claudio Castellini; Patrick van der Smagt (ICRA, 2011)

Wrist and forearm rotation of the DLR hand arm system: Mechanical design, shape analysis and experimental validation. - Werner Friedl; Hannes Höppner; Florian Petit; Gerd Hirzinger (IROS, 2011)

Variable impedance actuators: A review. - Bram Vanderborght; Alin Albu-Schäffer; Antonio Bicchi; Etienne Burdet; Darwin G. Caldwell; Raffaella Carloni; Manuel G. Catalano; Oliver Eiberger; Werner Friedl; Ganesh Ganesh; Manolo Garabini; Markus Grebenstein; et al. (Robotics Auton. Syst., 2013)

A new biarticular joint mechanism to extend stiffness ranges. - Hannes Höppner; Wolfgang Wiedmeyer; Patrick van der Smagt (ICRA, 2014)

Two-dimensional orthoglide mechanism for revealing areflexive human arm mechanical properties. - Hannes Höppner; Markus Grebenstein; Patrick van der Smagt (IROS, 2015)

Blindfolded robotic teleoperation using spatial force feedback to the toe. - Annette Hagengruber; Hannes Höppner; Jörn Vogel (ICRA, 2017)

Hitting the sweet spot: Automatic optimization of energy transfer during tool-held hits. - Jörn Vogel; Naohiro Takemura; Hannes Höppner; Patrick van der Smagt; Gowrishankar Ganesh (ICRA, 2017)

End-effector airbags to accelerate human-robot collaboration. - Roman Weitschat; Jörn Vogel; Sophie Lantermann; Hannes Höppner (ICRA, 2017)

Key Insights into Hand Biomechanics: Human Grip Stiffness Can Be Decoupled from Force by Cocontraction and Predicted from Electromyography. - Hannes Höppner; Maximilian Große-Dunker; Georg Stillfried; Justin Bayer; Patrick van der Smagt (Frontiers Neurorobotics, 2017)

CLASH: Compliant Low Cost Antagonistic Servo Hands. - Werner Friedl; Hannes Höppner; Florian Schmidt 001; Máximo A. Roa; Markus Grebenstein (IROS, 2018)

Human-Robotic Variable-Stiffness Grasps of Small-Fruit Containers Are Successful Even Under Severely Impaired Sensory Feedback. - Mark Haas; Werner Friedl; Georg Stillfried; Hannes Höppner (Frontiers Neurorobotics, 2018)

Human's Capability to Discriminate Spatial Forces at the Big Toe. - Annette Hagengruber; Hannes Höppner; Jörn Vogel (Frontiers Neurorobotics, 2018)

Elastic Elements in a Wrist Prosthesis for Drumming Reduce Muscular Effort, but Increase Imprecision and Perceived Stress. - Georg Stillfried; Johannes Stepper; Hannah Neppl; Jörn Vogel; Hannes Höppner (Frontiers Neurorobotics, 2018)

EDAN: An EMG-controlled Daily Assistant to Help People With Physical Disabilities. - Jörn Vogel; Annette Hagengruber; Maged Iskandar; Gabriel Quere; Ulrike Leipscher; Samuel Bustamante; Alexander Dietrich; Hannes Höppner; Daniel Leidner; Alin Albu-Schäffer (IROS, 2020)

Simultaneous Motion Tracking and Joint Stiffness Control of Bidirectional Antagonistic Variable-Stiffness Actuators. - Marie Harder; Manuel Keppler; Xuming Meng; Christian Ott 001; Hannes Höppner; Alexander Dietrich (IEEE Robotics Autom. Lett., 2022)

Design and Implementation of a Robotic Testbench for Analyzing Pincer Grip Execution in Human Specimen Hands. - Nikolas J. Wilhelm; Claudio Glowalla; Sami Haddadin; Julian Schote; Hannes Höppner; Patrick van der Smagt; Maximilian Karl; Rainer Burgkart (ICRA, 2024)

Programming Passive Fingertip Deformation for Improved Grasping and Manipulation. - Steffen Puhlmann; Lion-Constantin Weber; Hannes Höppner (IROS, 2024)

Variable Stiffness Actuation via 3D-Printed Nonlinear Torsional Springs. - Hannes Höppner; Annika Kirner; Joshua Göttlich; Linnéa Jakob; Alexander Dietrich; Christian Ott 001 (IEEE Robotics Autom. Lett., 2025)