Author

Efe C. Balta

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Preprint Sep 2026

SPPID: Saddle-Point PID for Constrained Optimization

This paper studies constrained optimization problems through the lens of feedback control. Building on the interpretation of Lagrange multipliers as feedback controllers, we propose the \emph{saddle-point PID (SPPID) dynamics}: a unified proportional--integral--derivative (PID) framework for continuous-time saddle-poin...

Veronica Centorrino, Rawan Hoteit, Efe C. Balta et al. · 0 citations

Jul 2026

Model-Agnostic Meta Learning for Differentiable MPC

Applying policy optimization to Model Predictive Control (MPC) yields high-performance and reliable controllers. However, the resulting controllers often overfit their training conditions and suffer significant performance degradation in unseen tasks. We propose a novel framework combining policy optimization with meta...

Salma Elfeki, Riccardo Zuliani, Niklas Schmid et al. · arXiv.org · 0 citations

Jul 2026

Multi-scale closed-loop melt pool control for LPBF via policy optimization

Laser powder bed fusion (LPBF) is a metal additive manufacturing process where temperature stabilization is of vital importance to avoid defects such as distortion and cracking. Existing control methods require manual tuning, increasing the risk of part failure when printing complex geometries. This paper introduces a...

Jun-Feng Lin, Riccardo Zuliani, Barış Kavas et al. · arXiv.org · 0 citations