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17 Publications
2023 | Conference Paper | LibreCat-ID: 48352
An Optimized Third-Harmonic Injection Reduces DC-Link Voltage Ripple in Cascaded H-Bridge Converters up to 50% for all Power Factors
R. Unruh, J. Böcker, F. Schafmeister, in: 2023 25th European Conference on Power Electronics and Applications (EPE’23 ECCE Europe), IEEE, 2023.
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R. Unruh, J. Böcker, F. Schafmeister, in: 2023 25th European Conference on Power Electronics and Applications (EPE’23 ECCE Europe), IEEE, 2023.
2022 | Journal Article | LibreCat-ID: 27186
Influence of cutting clearance and punch geometry on the stress state in small punch test
M. Otroshi, G. Meschut, Engineering Failure Analysis 136 (2022).
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M. Otroshi, G. Meschut, Engineering Failure Analysis 136 (2022).
2022 | Conference Paper | LibreCat-ID: 34176
Zero-Sequence Voltage Reduces DC-Link Capacitor Demand in Cascaded H-Bridge Converters for Large-Scale Electrolyzers by 40%
R. Unruh, F. Schafmeister, J. Böcker, in: 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe), IEEE, 2022.
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R. Unruh, F. Schafmeister, J. Böcker, in: 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe), IEEE, 2022.
2021 | Conference Paper | LibreCat-ID: 29938
Adaptive Zero-Sequence Voltage Injection for Modular Solid-State Transformer to Compensate for Asymmetrical Fault Conditions
R. Unruh, J. Lange, F. Schafmeister, J. Böcker, in: 23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe), IEEE, 2021.
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R. Unruh, J. Lange, F. Schafmeister, J. Böcker, in: 23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe), IEEE, 2021.
2021 | Book | LibreCat-ID: 37274
Regulating Transitions from School to Work. An Institutional Ethnography of Activation Work in Action
S. Dahmen, Regulating Transitions from School to Work. An Institutional Ethnography of Activation Work in Action, Bielefeld University Press, 2021.
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S. Dahmen, Regulating Transitions from School to Work. An Institutional Ethnography of Activation Work in Action, Bielefeld University Press, 2021.
2021 | Book | LibreCat-ID: 37273
Regulating Transitions from School to Work. An Institutional Ethnography of Activation Work in Action
S. Dahmen, Regulating Transitions from School to Work. An Institutional Ethnography of Activation Work in Action, Bielefeld University Press, 2021.
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S. Dahmen, Regulating Transitions from School to Work. An Institutional Ethnography of Activation Work in Action, Bielefeld University Press, 2021.
2021 | Conference Paper | LibreCat-ID: 24159
Online State Estimation for Microscopic Traffic Simulations using Multiple Data Sources*
K. Malena, C. Link, S. Mertin, S. Gausemeier, A. Trächtler, in: VEHITS 2021 Proceedings of the 7th International Conference on Vehicle Technology and Intelligent Transport Systems, SCITEPRESS, Portugal, 2021, pp. 386–395.
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K. Malena, C. Link, S. Mertin, S. Gausemeier, A. Trächtler, in: VEHITS 2021 Proceedings of the 7th International Conference on Vehicle Technology and Intelligent Transport Systems, SCITEPRESS, Portugal, 2021, pp. 386–395.
2020 | Conference Paper | LibreCat-ID: 29940
1-MW Full-Bridge MMC for High-Current Low-Voltage (100V-400V) DC-Applications
R. Unruh, F. Schafmeister, N. Fröhleke, J. Böcker, in: PCIM Europe Digital Days 2020; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, VDE, 2020.
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R. Unruh, F. Schafmeister, N. Fröhleke, J. Böcker, in: PCIM Europe Digital Days 2020; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, VDE, 2020.
2018 | Journal Article | LibreCat-ID: 8167 | 
Ground State Connectivity of Local Hamiltonians
S. Gharibian, J. Sikora, ACM Transactions on Computation Theory (TOCT) 10 (2018) 8:1-8:28.
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S. Gharibian, J. Sikora, ACM Transactions on Computation Theory (TOCT) 10 (2018) 8:1-8:28.
2013 | Conference Paper | LibreCat-ID: 11917
Using the turbo principle for exploiting temporal and spectral correlations in speech presence probability estimation
D.H.T. Vu, R. Haeb-Umbach, in: 38th International Conference on Acoustics, Speech and Signal Processing (ICASSP 2013), 2013, pp. 863–867.
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D.H.T. Vu, R. Haeb-Umbach, in: 38th International Conference on Acoustics, Speech and Signal Processing (ICASSP 2013), 2013, pp. 863–867.
2012 | Conference Paper | LibreCat-ID: 9784
An efficient simulation technique for high-frequency piezoelectric inertia motors
M. Hunstig, T. Hemsel, W. Sextro, in: Ultrasonics Symposium (IUS), 2012 IEEE International, 2012, pp. 277–280.
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M. Hunstig, T. Hemsel, W. Sextro, in: Ultrasonics Symposium (IUS), 2012 IEEE International, 2012, pp. 277–280.
2010 | Conference Paper | LibreCat-ID: 11726 |
Barometric height estimation combined with map-matching in a loosely-coupled Kalman-filter
M. Bevermeier, O. Walter, S. Peschke, R. Haeb-Umbach, in: 7th Workshop on Positioning Navigation and Communication (WPNC 2010), 2010, pp. 128–134.
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M. Bevermeier, O. Walter, S. Peschke, R. Haeb-Umbach, in: 7th Workshop on Positioning Navigation and Communication (WPNC 2010), 2010, pp. 128–134.
2009 | Conference Paper | LibreCat-ID: 11723 |
Robust vehicle localization based on multi-level sensor fusion and online parameter estimation
M. Bevermeier, S. Peschke, R. Haeb-Umbach, in: 6th Workshop on Positioning Navigation and Communication (WPNC 2009), 2009, pp. 235–242.
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M. Bevermeier, S. Peschke, R. Haeb-Umbach, in: 6th Workshop on Positioning Navigation and Communication (WPNC 2009), 2009, pp. 235–242.
2009 | Journal Article | LibreCat-ID: 11938 |
Parameter Estimation of a State-Space Model of Noise for Robust Speech Recognition
S. Windmann, R. Haeb-Umbach, IEEE Transactions on Audio, Speech, and Language Processing 17 (2009) 1577–1590.
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S. Windmann, R. Haeb-Umbach, IEEE Transactions on Audio, Speech, and Language Processing 17 (2009) 1577–1590.
2008 | Conference Paper | LibreCat-ID: 11939 |
Modeling the dynamics of speech and noise for speech feature enhancement in ASR
S. Windmann, R. Haeb-Umbach, in: IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2008), 2008, pp. 4409–4412.
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S. Windmann, R. Haeb-Umbach, in: IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2008), 2008, pp. 4409–4412.
2006 | Conference Paper | LibreCat-ID: 11943 |
Iterative Speech Enhancement using a Non-Linear Dynamic State Model of Speech and its Parameters
S. Windmann, R. Haeb-Umbach, in: IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2006), 2006, p. I.
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S. Windmann, R. Haeb-Umbach, in: IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2006), 2006, p. I.
2004 | Conference Paper | LibreCat-ID: 39352
An ASM Definition of the Dynamic OCL 2.0 Semantics
S. Flake, W. Müller, in: Proceedings of the UML 2004, Lisbon, Portugal, 2004.
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S. Flake, W. Müller, in: Proceedings of the UML 2004, Lisbon, Portugal, 2004.