Philipps, M.* ; Körner, A.* ; Vanhoefer, J.* ; Pathirana, D.* ; Hasenauer, J.
Non-negative universal differential equations with applications in systems biology.
In: (10th IFAC Conference on Foundations of Systems Biology in Engineering, FOSBE 2024, 8-11 September 2024, Corfu Island). Frankfurt ; München [u.a.]: Elsevier, 2024. 25-30 (IFAC PapersOnline ; 58)
Universal differential equations (UDEs) leverage the respective advantages of mechanistic models and artificial neural networks and combine them into one dynamic model. However, these hybrid models can suffer from unrealistic solutions, such as negative values for biochemical quantities. We present non-negative UDE (nUDEs), a constrained UDE variant that guarantees non-negative values. Furthermore, we explore regularisation techniques to improve generalisation and interpretability of UDEs.
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Publication type
Article: Conference contribution
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Keywords
Kinetic Modelling And Control Of Biological Systems ; Neural Networks ; Parameter And State Estimation ; Parametric Optimization ; Systems Biology; Networks
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Language
english
Publication Year
2024
Prepublished in Year
0
HGF-reported in Year
2024
ISSN (print) / ISBN
2405-8963
e-ISSN
1474-6670
ISBN
Book Volume Title
Conference Title
10th IFAC Conference on Foundations of Systems Biology in Engineering, FOSBE 2024
Conference Date
8-11 September 2024
Conference Location
Corfu Island
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Quellenangaben
Volume: 58,
Issue: 23,
Pages: 25-30
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Elsevier
Publishing Place
Frankfurt ; München [u.a.]
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Peer reviewed
POF-Topic(s)
30205 - Bioengineering and Digital Health
Research field(s)
Enabling and Novel Technologies
PSP Element(s)
G-553800-001
Grants
University of Bonn
German Federal Ministry of Education and Research (BMBF) under the CompLS program (GENImmune)
Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany's Excellence Strategy
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Erfassungsdatum
2024-11-19