PUMA publications for /user/ifsw/BayesianOptimization%20optimizationMon Apr 20 16:13:32 CEST 2026Advanced laser processing and its optimization with machine learning2023myown Welding Laser BayesianOptimization GaussianProcesses MachineLearning Ablation Optimization The flexibility of new laser sources and process-monitoring enables new possibilities in laser-based production technology, for instance the combination of different laser processes with many adjustable parameters. The fusion of domain knowledge and probabilistic models in the form of hybrid models allows an efficient optimization of these processes with machine learning. This can be a key technology to realize self-learning laser-based universal machines in the future. The article discusses some examples where algorithm-based optimization, partly supported by hybrid models, can already greatly reduce the effort required to find suitable process parameters.Mon Apr 20 16:09:36 CEST 2026Advanced laser processing and its optimization with machine learningLaser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXVIII2023myown Welding Laser BayesianOptimization GaussianProcesses MachineLearning Ablation Optimization The flexibility of new laser sources and process-monitoring enables new possibilities in laser-based production technology, for instance the combination of different laser processes with many adjustable parameters. The fusion of domain knowledge and probabilistic models in the form of hybrid models allows an efficient optimization of these processes with machine learning. This can be a key technology to realize self-learning laser-based universal machines in the future. The article discusses some examples where algorithm-based optimization, partly supported by hybrid models, can already greatly reduce the effort required to find suitable process parameters.Fri Apr 10 15:59:18 CEST 2026Journal of Intelligent ManufacturingfebEfficient parameter selection in laser welding via Bayesian optimization2026myown Welding peer Aluminum BayesianOptimization X-ray Optimization 27Identifying suitable process parameters is essential for developing effective laser welding processes. Traditionally, this involves extensive experimentation and relies heavily on expert knowledge. Bayesian optimization can be used to minimize both the experimental effort and the need for expert information. This study demonstrates the merit of Bayesian optimization for laser welding and explains the methodology for implementing the optimization technique. A strategy for selecting evaluation methods and the design of a suitable cost function to meet specific quality criteria is proposed. For the experimental demonstration, butt joint laser welding of AA1050 aluminum alloy was performed with options to adapt the laser power, welding speed, focus position, and the intensity distribution of the laser beam by changing the power distribution in a multi-core fiber. The success of the optimization was validated by finding several parameter sets producing welds that met the defined quality levels. Furthermore, the properties of the underlying surrogate model of the Bayesian optimizer generated further information that helped to improve the welding process.