Welding robot welding path planning method based on discrete particle swarm optimization

A welding robot, discrete particle swarm technology, applied in instruments, computing, manipulators, etc., can solve the problems of robot parts wear, impact, welding gun jitter, etc.
CN107150341AInactive Publication Date: 2017-09-12NANJING UNIV OF SCI & TECH

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NANJING UNIV OF SCI & TECH
Publication Date
2017-09-12
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a welding robot welding path planning method based on discrete particle swarm optimization. The method comprises the steps of: (1) building a mathematical model of a path of a welding robot; (2) building a model of particle swarm optimization; (3) analyzing behavior parameters solved by the particle swarm optimization; (4) planning the path of the welding robot by the particle swarm optimization; and (5) outputting optimal path. The method adopts the particle swarm optimization; and through setting of different inertia weight formulas, the self-adaption adjusting capacity of the particle swarm optimization is improved, so that the purpose of balancing local search capacity and global search capacity of the particle swarm optimization is achieved, and the optimal solution is searched quickly by the particle swarm optimization.
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Description

technical field

[0001] The invention relates to the technical field of welding robots, in particular to a welding path planning method for a welding robot based on a discrete particle swarm algorithm. Background technique

[0002] With the deepening of research on industrial robot technology, robot technology is becoming more and more mature, and it is becoming an important part of automated production lines, rescuing workers who are engaged in harsh environments and complicated manual labor. Welding robots are engaged in welding processing. Unwanted problems often occur during the welding process, such as the shaking of the end of the welding torch when the robot starts and stops, sometimes accompanied by severe vibration of the robot body, and it cannot move accurately to the specified position during welding. The position of the welding spot, the inaccurate welding path during arc welding, etc., the occurrence of these welding problems cannot meet the requirements of weld...

Claims

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