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Johannes Ringwald

4 accepted papers

2025

Investigating the Fitness of Finger Grippers for Dynamic Tactile Manipulation Under Static Object Conditions

Mehmet Can Yildirim, Dee Hva Choong, Johannes Ringwald, Robin Jeanne Kirschner, Valentin Le Mesle, Sami Haddadin
IROS 2025

Robotic system development must adopt a holistic approach for tactile and dynamic tasks, shifting from the decoupled design of end-effectors and robot manipulators for traditional sequential tasks. Although established metrics exist for traditional tasks, such as pick-and-place, they lack the nuance

Cited by 1Source ↗Scholar ↗
2024

Identification and validation of the dynamic model of a tendon-driven anthropomorphic finger

Junnan Li, Lingyun Chen, Johannes Ringwald, Edmundo Pozo Fortunić, Amartya Ganguly, Sami Haddadin
IROS 2024poster

This study addresses the absence of an identification framework to quantify a comprehensive dynamic model of human and anthropomorphic tendon-driven fingers, which is necessary to investigate the physiological properties of human fingers and improve the control of robotic hands. First, a generalized…

Cited by 0Source ↗Scholar ↗
2023

Towards Task-Specific Modular Gripper Fingers: Automatic Production of Fingertip Mechanics

Johannes Ringwald, Samuel Schneider, Lingyun Chen, Dennis Knobbe, Lars Johannsmeier, Abdalla Swikir +1
RA-L 2023

The adaption of robotic assembly lines to new products is generally slow and costly, binding the economical usage of a single line to a few products manufactured in masses. An important time factor is the adaption of the assembly robot's gripper fingers to the new product components - since finger d

Cited by 10Source ↗Scholar ↗
2019

Towards Semi-Autonomous and Soft-Robotics Enabled Upper-Limb Exoprosthetics: First Concepts and Robot-Based Emulation Prototype

Johannes Kuhn, Johannes Ringwald, Moritz Schappler, Lars Johannsmeier, Sami Haddadin
ICRA 2019poster

In this paper the first robot-based prototype of a semi-autonomous upper-limb exoprosthesis is introduced, unifying exoskeletons and prostheses [1]. A central goal of this work is to minimize unnecessary interaction forces on the residual limb by compensating gravity effects via a upper body grounde…

Cited by 10Source ↗Scholar ↗