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Model-based voltage predictions for arbitrary waveform excitation in Magnetic Particle Imaging

Citation Link: https://doi.org/10.15480/882.5083
Publikationstyp
Journal Article
Publikationsdatum
2023-03-19
Sprache
English
Author
Ackers, Justin 
Mohn, Fabian orcid-logo
Hackelberg, Niklas 
Knopp, Tobias 
Buzug, Thorsten M. 
Gräser, Matthias 
Institut
Biomedizinische Bildgebung E-5 
DOI
10.15480/882.5083
TORE-URI
http://hdl.handle.net/11420/15200
Lizenz
https://creativecommons.org/licenses/by/4.0/
Enthalten in
International journal on magnetic particle imaging 
Volume
9
Issue
1
Article Number
2303088
Citation
International Journal on Magnetic Particle Imaging 9 (1): 2303088 (2023)
Publisher DOI
10.18416/IJMPI.2023.2303088
Scopus ID
2-s2.0-85151554128
Publisher
Infinite Science Publishing
In recent works, arbitrary waveform or pulsed excitation in Magnetic Particle Imaging (MPI) was proposed to offer better resolution and sensitivity. Generating these excitation fields poses a new challenge in MPI hardware design. This work proposes a method which models the excitation chain as a linear system and predicts the required input voltage for the desired output field. The initial prediction is then iteratively improved to compensate for inaccuracies of the model. The method is demonstrated to achieve accurate field waveforms in both linear and slew rate limited regions of the amplifier.
DDC Class
600: Technik
620: Ingenieurwissenschaften
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