Search Results for author: Lars Mikelsons

Found 7 papers, 3 papers with code

Analyzing the coupling process of distributed mixed real-virtual prototypes

no code implementations22 Jan 2024 Peter Baumann, Lars Mikelsons, Oliver Kotte, Dieter Schramm

This contribution introduces a novel, adaptive method to compensate for constant time-delays in potentially highly nonlinear, spatially distributed mixed real-virtual prototypes, using small feedforward neural networks.

Eigen-informed NeuralODEs: Dealing with stability and convergence issues of NeuralODEs

1 code implementation7 Feb 2023 Tobias Thummerer, Lars Mikelsons

Because of the vanishing gradient at a local minimum, the NeuralODE is often not capable of leaving it and converge to the right solution.

NeuralFMU: Presenting a workflow for integrating hybrid NeuralODEs into real world applications

no code implementations8 Sep 2022 Tobias Thummerer, Johannes Stoljar, Lars Mikelsons

The term NeuralODE describes the structural combination of an Artifical Neural Network (ANN) and a numerical solver for Ordinary Differential Equations (ODEs), the former acts as the right-hand side of the ODE to be solved.

Imitation Learning by State-Only Distribution Matching

no code implementations9 Feb 2022 Damian Boborzi, Christoph-Nikolas Straehle, Jens S. Buchner, Lars Mikelsons

We propose a non-adversarial learning-from-observations approach, together with an interpretable convergence and performance metric.

Continuous Control Imitation Learning

State-Only Imitation Learning by Trajectory Distribution Matching

no code implementations29 Sep 2021 Damian Boborzi, Christoph-Nikolas Straehle, Jens Stefan Buchner, Lars Mikelsons

Our training objective minimizes the Kulback-Leibler divergence between the policy and expert state transition trajectories which can be optimized in a non-adversarial fashion.

Continuous Control Imitation Learning

Hybrid modeling of the human cardiovascular system using NeuralFMUs

2 code implementations10 Sep 2021 Tobias Thummerer, Johannes Tintenherr, Lars Mikelsons

Hybrid modeling, the combination of first principle and machine learning models, is an emerging research field that gathers more and more attention.

NeuralFMU: Towards Structural Integration of FMUs into Neural Networks

2 code implementations9 Sep 2021 Tobias Thummerer, Josef Kircher, Lars Mikelsons

This paper covers two major subjects: First, the presentation of a new open-source library called FMI. jl for integrating FMI into the Julia programming environment by providing the possibility to load, parameterize and simulate FMUs.

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