Interpolation Algorithm and Mathematical Model in Automated Welding of Saddle-Shaped Weld | Zendy

Lianghao Xue | Zendy; Min Wei | Zendy; Tao Yang | Zendy; Yongxin Lu | Zendy; Ningqiang Shi | Zendy; Zhiyang Zhang | Zendy

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Interpolation Algorithm and Mathematical Model in Automated Welding of Saddle-Shaped Weld

Author(s) -

Lianghao Xue,

Min Wei,

Tao Yang,

Yongxin Lu,

Ningqiang Shi,

Zhiyang Zhang

Publication year - 2018

Publication title -

modelling and simulation in engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.264

H-Index - 20

eISSN - 1687-5591

pISSN - 1687-5605

DOI - 10.1155/2018/8045162

Subject(s) - welding , interpolation (computer graphics) , saddle , intersection (aeronautics) , trajectory , algorithm , torch , weld pool , arc welding , linear interpolation , stability (learning theory) , computer science , mathematics , control theory (sociology) , engineering , mechanical engineering , artificial intelligence , gas tungsten arc welding , control (management) , physics , frame (networking) , astronomy , pattern recognition (psychology) , aerospace engineering , machine learning

This paper presents welding torch pose model and interpolation algorithm of trajectory control of saddle-shaped weld formed by intersection of two pipes; the working principle, interpolation algorithm, welding experiment, and simulation result of the automatic welding system of the saddle-shaped weld are described. A variable angle interpolation method is used to control the trajectory and pose of the welding torch, which guarantees the constant linear terminal velocity. The mathematical model of the trajectory and pose of welding torch are established. Simulation and experiment have been carried out to verify the effectiveness of the proposed algorithm and mathematical model. The results demonstrate that the interpolation algorithm is well within the interpolation requirements of the saddle-shaped weld and ideal feed rate stability.

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