A framework for fully autonomous design of materials via multiobjective optimization and active learning: challenges and next stepsDownload PDF

Published: 17 Mar 2023, Last Modified: 25 Nov 2024ml4materials-iclr2023 PosterReaders: Everyone
Keywords: material engineering, active learning, multiobjective optimization, data streaming, continuous-flow chemistry
TL;DR: Multiobjective optimization used to steer the design of battery electrolytes in a continuous-flow reactor in a closed feedback loop
Abstract: In order to deploy machine learning in a real-world self-driving laboratory where data acquisition is costly and there are multiple competing design criteria, systems need to be able to intelligently sample while balancing performance trade-offs and constraints. For these reasons, we present an active learning process based on multiobjective black-box optimization with continuously updated machine learning models. This workflow is built on open-source technologies for real-time data streaming and modular multiobjective optimization software development. We demonstrate a proof of concept for this workflow through the autonomous operation of a continuous-flow chemistry laboratory, which identifies ideal manufacturing conditions for the electrolyte 2,2,2-trifluoroethyl methyl carbonate.
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