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首页> 外文期刊>Journal of Laser Applications >Design, implementation and testing of a fuzzy control scheme for laser welding
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Design, implementation and testing of a fuzzy control scheme for laser welding

机译:激光焊接模糊控制方案的设计,实现和测试

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摘要

A fuzzy logic controller (FLC) scheme has been developed for laser welding. Process light emissions are measured and combined to determine the current status of the welding process. If the process is not in a desired welding state, the FLC will adapt the laser power. The FLC has been demonstrated for the laser welding of zinc coated steel sheets in an overlap configuration. Experiments showed that the controller is capable of steering the process towards full penetration keyhole welding, avoiding both blowholes as well as lack of penetration. Under the presence of different process disturbances, like changes in focal position and material thickness, the controller proved to be able to maintain full penetration keyhole welding. The architecture of the controller is generic, thus facilitating an implementation for the laser welding process of other materials or configurations.
机译:已经开发了用于激光焊接的模糊逻辑控制器(FLC)方案。测量并合并过程中的光发射,以确定焊接过程的当前状态。如果过程未处于所需的焊接状态,则FLC将调整激光功率。已证明FLC可用于重叠结构的镀锌钢板的激光焊接。实验表明,该控制器能够将工艺引导至完全熔透的小孔焊接,避免出现气孔以及缺乏熔透的情况。在存在不同工艺干扰的情况下,例如焦点位置和材料厚度的变化,该控制器被证明能够保持全熔透的小孔焊接。控制器的架构是通用的,因此有助于实现其他材料或配置的激光焊接过程。

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