Niklas Schäfer

Niklas Schäfer
Technische Universität Darmstadt | TU · Department of Electrical Engineering and Information Technology

Master of Science

About

6
Publications
1,507
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9
Citations

Publications

Publications (6)
Conference Paper
Bite force is an important characteristic of the masticatory systems functional state. Especially force asymmetries are potential indicators for malfunctions such as temporo-mandibular disorders or dysgnathia. By measuring bilaterally, i.e. simultaneously on the left and right side, it is possible to quantify asymmetries. Currently, there is a lack...
Conference Paper
Um den Menschen bedarfsgerecht und ergonomisch unterstützen zu können, müssen Assistenzsysteme die Bewegungen und Bewegungsabsichten des Nutzers frühzeitig erkennen. Die Individualität der menschlichen Bewegung ist dabei eine besondere Herausforderung. Dieser Beitrag zeigt, dass maschinelles Lernen geeignet ist, um aus den Daten ausgewählter, am Kö...
Article
Full-text available
People with physical disabilities in their upper extremities face serious issues in using classical input devices due to lacking movement possibilities and precision. This article suggests an alternative input concept and presents corresponding input devices. The proposed interface combines an inertial measurement unit and force sensing resistors,...
Chapter
Full-text available
We present a wearable vibrotactile feedback device consisting of four linear resonant actuators (LRAs) that are able to generate virtual stimuli, known as phantom tactile sensation, for human-robot interaction. Using an energy model, we can control the location and intensity of the virtual stimuli independently. The device consists of mostly 3D-pri...
Conference Paper
Full-text available
We present a 10 N nominal needle tip force sensor based on silicon-based semiconductor strain gauges that can be used in brachytherapy or biopsies. As deformation body the guiding rod of such a surgical needle with a diameter of 1.2 mm is used. In a thinned area, near the tip of the needle, the strain gauge, as sensing element, is applied with a fl...
Conference Paper
In order to calibrate a newly developed miniaturised strain gauge based 6-DOF force and torque sensor, an assembly that uses calibration weights, attached to strings and pulleys to generate forces and torques has been designed. The assembly enables a semi automatic calibration procedure. This paper describes the calculation of the uncertainty of th...

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