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For maritime and other large-structure applications, SwRI developed a learning-based weld planning system to allow robots to intelligently weld steel ship components. The framework integrates insights from conventional simulation technology with real-world variations identified during assembly. Engineers then configured the setup and operation of a robotic welding application to optimize metal component assembly while mitigating distortion and stress. This solution produces structures with improved performance and service life while reducing post-assembly milling or machining rework of welds.