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Design and Implementation of a LabVIEW based Computer Control for EPR Instrumentation

[EPR Spectrum] Diploma Thesis in Electrical Engineering.

Joseph J. Ratke (MCW)

Dr.-Ing., Dipl.-Ing. Holger Dahms (FHL)
Dr.-Ing. Jörg Moßbrucker (MSOE)
Dr. John Gassert (MSOE)


This diploma thesis was written in the National Biomedical Electron Paramagnetic Resonance Center at the Medical College of Wisconsin in Milwaukee, Wisconsin, USA.

The EPR research at the Medical College of Wisconsin involves the exchange of hardware and the implementation of new experiments on a regular basis. The flexibility of the different types of experiments required to write a new program for each type of experiment. Furthermore, already implemented experiments had to be rewritten to use new instrument drivers, if they should be performed in a different hardware setup for a different frequency band. This labour intensive task reduced the actual research time by the time it took to implement new experiments or adapt existing ones to a new hardware setup.

For that reason the goal of this thesis is to design and implement a program framework that abstracts the complexity introduced by changing hardware and provides a common basis for the implementation of different types of experiments. This reduces the amount of redundant work by providing a common feature basis to all experiments. The focus of this thesis is the design of a program concept that fulfils the specified requirements, the selection of the proper technologies to implement the concept, and the implementation of a simple experiment, to demonstrate the operability.

The software solution was developed with LabVIEW and fulfils the set requirements.



Medical College of Wisconsin
MACC Fund Research Center
Department of Biophysics


[FH Lübeck] [MSOE]