Increasing dynamic accuracy of machine tools using predictive feedforward optimization with hybrid modeling

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Haijia Xu, Christoph Hinze, Andrea Iannelli, Zexu Zhou, Alexander Verl

Published: 01 Jan 2026, Last Modified: 11 Oct 2025Robotics Comput. Integr. Manuf. 2026EveryoneRevisionsBibTeXCC BY-SA 4.0
Abstract: Highlights•Control-oriented modeling of machine tools via physics-based and data-driven models.•Online feedforward design through optimization with convex quadratic programming.•Open-loop compensation as a separate function block in inverter or CNC control.•Validated real-time capability and improved contour accuracy in freeform tracking.