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Tactile displays have a wide range of applications in assistive technology, prosthetics, and rehabilitation. Vibrotactile stimulation shows potential to be integrated into wearable devices because of its small size, low power consumption, and relative fast responding speed. In this paper, experiments investigating vibrotactile minimal detectable level, just noticeable difference, and two point discrimination...
Because imitation has shown to be able to drastically cut down the exploration space it has been embraced largely by the robotics community to speed up autonomous learning. This has been done mostly in fixed demonstrator-imitator relationships, where a predefined demonstrator is performing the same action over and over again until the robot has learned it sufficiently. In practical multi-robot scenarios,...
Although the combination of reinforcement learning and imitation has been already considered in recent research, it always revolved around fixed settings where demonstrator and imitator are fixed and the imitation process is a well-defined period of time. What is missing is the investigation of approaches that also work in scenarios where imitation is only sporadically possible. This means that in...
In this conference paper, we discuss the spectral response of new rectangular asymmetric resonators and compare it to the characteristics of conventional circular structures. The rectangular design offers a miniaturization of more than 20% and features an improved transmission roll-off. Moreover, tips at the end of the resonator arms confine the electric field into a small area. Especially frequency...
With imitation robots have a powerful means to drastically cut down the exploration space. However, as existing imitation approaches usually require repetitive demonstrations of the skill to learn in order to be useful, those are typically not applicable in groups of robots. In these scenarios usually each robot has its own task to accomplish and should not be disturbed by teaching others. Therefor,...
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