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We describe the hardware design, force-rendering approach, and evaluation of a new reconfigurable haptic interface consisting of a network of hybrid motor-brake actuation modules that apply forces via cables. Each module contains both a motor and a brake, enabling it to smoothly render active forces up to 6 N using its motor and collision forces up to 186 N using its passive one-way brake. The modular design, meanwhile, allows the system to deliver rich haptic feedback in a flexible number of DoF and widely ranging configurations.
@misc{Bartels26-GRCEA-Rendering, title = {Rendering Forces with a Modular Cable System, Motors, and Brakes}, abstract = {We describe the hardware design, force-rendering approach, and evaluation of a new reconfigurable haptic interface consisting of a network of hybrid motor-brake actuation modules that apply forces via cables. Each module contains both a motor and a brake, enabling it to smoothly render active forces up to 6 N using its motor and collision forces up to 186 N using its passive one-way brake. The modular design, meanwhile, allows the system to deliver rich haptic feedback in a flexible number of DoF and widely ranging configurations. }, howpublished = {Extended abstract (3 pages) presented at the German Robotics Conference (GRC)}, address = {Cologne, Germany}, month = mar, year = {2026}, author = {Bartels, Jan U. and Achberger, Alexander and Kuchenbecker, Katherine J. and Sedlmair, Michael}, month_numeric = {3} }
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