Title: Research on welding path modification of welding industrial robot based on leapfrog algorithm

Authors: Fangwei Pan

Addresses: School of Mechanical and Electrical Engineering, Lishui Vocational and Technical College, Lishui, 323400, China

Abstract: Aiming at the problems of industrial robot welding path correction such as large error, low search accuracy and long correction time, a welding path correction method based on leapfrog algorithm is proposed. Firstly, the key components of the industrial welding robot system and its interaction are determined, and its control system and operation principle are analysed. Then calculate the total resistance and voltage change value of spot welding industrial robot, realise the change of position relationship in its running path by means of homogeneous transformation method, and determine the change of technical parameters of the robot under different rotation angles. Finally, the optimal path is searched globally, and the welding path of the welding industrial robot is modified by the idea of differential evolution. The results show that the proposed method can reduce the welding path correction error, and the correction time is short.

Keywords: leapfrog algorithm; welding industrial robot; welding path; correction method; homogeneous transformation; global search.

DOI: 10.1504/IJMTM.2025.144119

International Journal of Manufacturing Technology and Management, 2025 Vol.39 No.1/2, pp.89 - 104

Received: 29 Dec 2022
Accepted: 21 Mar 2023
Published online: 28 Jan 2025 *

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