Search Results for author: Michael Bortz

Found 10 papers, 2 papers with code

An Optimization Case Study for solving a Transport Robot Scheduling Problem on Quantum-Hybrid and Quantum-Inspired Hardware

no code implementations18 Sep 2023 Dominik Leib, Tobias Seidel, Sven Jäger, Raoul Heese, Caitlin Isobel Jones, Abhishek Awasthi, Astrid Niederle, Michael Bortz

We present a comprehensive case study comparing the performance of D-Waves' quantum-classical hybrid framework, Fujitsu's quantum-inspired digital annealer, and Gurobi's state-of-the-art classical solver in solving a transport robot scheduling problem.

Scheduling

Calibrated simplex-mapping classification

1 code implementation4 Mar 2021 Raoul Heese, Jochen Schmid, Michał Walczak, Michael Bortz

In a second step, the latent space representation of the training data is extended to the whole feature space by fitting a regression model to the transformed data.

Classification General Classification +2

An Adaptive Algorithm based on High-Dimensional Function Approximation to obtain Optimal Designs

no code implementations15 Jan 2021 Philipp Seufert, Jan Schwientek, Michael Bortz

Based on the Kiefer-Wolfowitz Equivalence Theorem we present a novel design of experiments algorithm which computes optimal designs in a continuous design space.

Methodology Optimization and Control

Adaptive Sampling of Pareto Frontiers with Binary Constraints Using Regression and Classification

1 code implementation27 Aug 2020 Raoul Heese, Michael Bortz

We present a novel adaptive optimization algorithm for black-box multi-objective optimization problems with binary constraints on the foundation of Bayes optimization.

General Classification regression

CupNet -- Pruning a network for geometric data

no code implementations11 May 2020 Raoul Heese, Lukas Morand, Dirk Helm, Michael Bortz

Using data from a simulated cup drawing process, we demonstrate how the inherent geometrical structure of cup meshes can be used to effectively prune an artificial neural network in a straightforward way.

Machine Learning in Thermodynamics: Prediction of Activity Coefficients by Matrix Completion

no code implementations29 Jan 2020 Fabian Jirasek, Rodrigo A. S. Alves, Julie Damay, Robert A. Vandermeulen, Robert Bamler, Michael Bortz, Stephan Mandt, Marius Kloft, Hans Hasse

Activity coefficients, which are a measure of the non-ideality of liquid mixtures, are a key property in chemical engineering with relevance to modeling chemical and phase equilibria as well as transport processes.

BIG-bench Machine Learning Matrix Completion

Optimized data exploration applied to the simulation of a chemical process

no code implementations18 Feb 2019 Raoul Heese, Michal Walczak, Tobias Seidel, Norbert Asprion, Michael Bortz

We propose a novel algorithm to explore such an unknown parameter space and improve its feasibility classification in an iterative way.

Chemical Process General Classification +1

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