Design strategies for increasing the power density of electromagnetic vibration energy harvesters for automotive applications. - In: IIPhDW, (2013), S. 26-30
Design and optimization strategies for energy harvesters excited by a harmonic sinusoidal oscillation have been reported by many researchers. However in most cases, especially in automotive applications, there is a spectrum of excitation frequencies. Therefore, in this paper a strategy is developed and presented for achieving an increase of power density for multimodal excitations considering the available design space.
Comparative investigation on Lorentz force eddy current testing and eddy current testing. - In: IIPhDW, (2013), S. 70-74
The new technique, "Lorentz Force Eddy Current Testing" and the established method of classical eddy current testing, applied to Nondestructive Testing and Evaluation of surface and subsurface defects in electrical conductive and non-ferromagnetic materials are compared.
The electric field induced by transcranial magnetic stimulation: a comparison between analytic and FEM solutions. - In: Proceedings of extended abstracts, ISBN 978-86-6125-088-0, (2013), S. 15-16
Induced electric field profiles in a homogeneous isotropic sphere, were calculated in the framework of transcranial magnetic Stimulation (TMS). The results were compared between an analytic and a finite-element method (FEM). The analytic calculations were performed using Eaton's method. A commercial available figure-of-8-coil was used to operate as the source of excitation. A comparison between both methods show a higher confity than reported in previous studies. With the presented results it is possible to use Eaton's method efficiently to compute the induced electric field profiles very quickly for example while searching for specific coil arrangements around the humans head, as in the case of deep brain transcranial magnetic stimulation (dTMS).
Energy harvesting for wirelessly connected multisensor microsystems. - In: Proceedings of full papers, ISBN 978-86-6125-089-7, (2013), S. 13-15
In the contribution, we present design considerations for energy harvesters which are seen as a key enabler for a wide-spread use of decentralized sensors. In a contemporary scenario, such sensors are communicating via a wireless network. As a result, the energy-autonomous operation of the corresponding embedded microsystems forms an essential research target. Besides a characterization of the device to be supplied, general design aspects are addressed. Special emphasis is put an the design of mechanical energy harvesters based an Faraday's induction principle. Based an theoretical studies and experimental investigations, first design guidelines are presented.
Nondestructive characterization of materials using Lorentz force eddy current testing. - In: Elektrotechnika i elektronika, ISSN 0861-4717, Bd. 48 (2013), 11/12, S. 17-23
A dual-polarized UWB antenna system for the demonstration of autonomous localization and object recognition with mobile sensors. - In: International Workshop on Antenna Technology (iWAT), 2013, (2013), S. 137-140
http://dx.doi.org/10.1109/IWAT.2013.6518317
A low cost SiGe based extens ion unit for ultra wideband sensing system. - In: Proceedings, (2013), S. 276-281
On buried weapon detection by means of scattering matrix decomposition for quad-polarized ultra-wideband Radar. - In: 2013 IEEE International Conference on Ultra-Wideband (ICUWB), ISBN 978-1-4799-0969-8, (2013), S. 113-119
http://dx.doi.org/10.1109/ICUWB.2013.6663832
Multinet - a wake-up protocol for multicast network groups. - In: 2013 11th Workshop on Intelligent Solutions in Embedded Systems (WISES 2013), ISBN 978-1-4799-1618-4, (2013), S. 83-88
Spatial degrees of freedom in small cells: measurements with large antenna arrays. - In: IEEE 77th Vehicular Technology Conference (VTC Spring), 2013, ISBN 978-1-4673-6336-5, (2013), insges. 6 S.
http://dx.doi.org/10.1109/VTCSpring.2013.6692761