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Research on Springback Compensation Method of Roll Forming Based on Improved Fuzzy PID Control

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Publicado en:Applied Sciences vol. 15, no. 7 (2025), p. 3748
Autor principal: Wang, Tengqiang
Otros Autores: Qian, Yingping, Fang, Wengkang, Zhang, Dongqiao, Weng, Huanqi, Jiang, Yiran
Publicado:
MDPI AG
Materias:
Kinematics
Accuracy
High strength steel
Control algorithms
Lead
Residual stress
Shear strain
Controllers
Acceso en línea:Citation/Abstract
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Resumen:To enhance the forming accuracy of circular rolling, this paper proposes a control strategy for compensating the springback of sheet metals by altering the rolling angle. A kinematic model for circular rolling springback compensation is established to monitor the forming radian of the sheet metal in real time. The motor is then controlled to adjust the rolling angle of the sheet metal through a mechanical structure, thereby achieving springback compensation. To realize the precise control required by the springback compensation control strategy, a fuzzy PID controller strategy optimized by the coupled whale particle (CWP) algorithm is designed. The research results indicate that the error between the formed radius and the desired radius in a normal circular rolling experiment is 5.4%, 5.32%, and 5.52%. However, after applying the springback compensation strategy, the error in the circular rolling experiment is reduced to 1.6%, 1.55%, and 1.72%. This demonstrates that the proposed springback compensation strategy for circular rolling effectively improves the accuracy of circular rolling.
ISSN:2076-3417
DOI:10.3390/app15073748
Fuente:Publicly Available Content Database