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Motivation for the investigation of position and waypoint controllers is the demand for Unattended Aerial Systems (UAS) capable of fulfilling e.g. surveillance tasks in contaminated or in inaccessible areas. Hence, this paper deals with the development of a 2D GPS-based position control system for 4 Rotor Helicopters able to keep positions above given(More)
The demand for unattended aerial aystems capable of fulfilling e.g. surveillance tasks in contaminated or inaccessible areas without assistance of a human pilot is the motivation for the investigation of a high precision position estimation system and an autonomous landing algorithm. Hence, this paper describes the development of a wireless sensor network(More)
The demand for unattended aerial systems capable of fulfilling e.g. surveillance tasks in contaminated or inaccessible areas without any assistance of a human pilot is the motivation for the investigation of a 3D trajectory control. Hence, this paper deals with the development of such a control algorithm able to follow any kind of 3D trajectory within the(More)
Nystagmus alternans is a seldom observed spontaneous nystagmus. Nevertheless, we would like to draw the attention to it and advice to be aware of its possibility when interpreting ENG recording for positional nystagmus. We draw the attention to some points eliciting suspicion. Continuous recording during several minutes, without changing any influencing(More)
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