The paper describes a mathematical model of arc sensor system (ASS) for MIG welding system based on the theoretical analysis and experiment tests.

Signal processing and communication of arc sensor based on DSP;

Design of arc sensor based on rule self-adaptive fuzzy controller;

Development of arc sensor for short circuit transition;

The high speed rotating arc welding sensor driven by motor with air axis is widely used in seam tracking system,the theory of variation detection is introduced at first;the minimization of controller is necessary in putting the technology into products,the work has been done.

Identification of welding torch deviation with rotating arc sensor;

Processing of underwater arc welding signal based on rotating arc sensor

In order to solve the problem of the mechanical arc sensor for seam-tracking,a new type of magnetic-control arc sensor was developed,and its mechanical structure and the correlative circuit diagram were given.

Aimed at some problems of the mechanical arc sensor for seam-tracking,the magnetic-control welding arc technology is applied to seam tracleking,a new type magnetic-control arc sensor and a system structure with two sets of crossed slides are designed.

In order to solve some problems of the sensor for seam-tracking,applied the magnetic-control welding arc technology,developed a new type magnetic-control arc sensor,it s basic principle was analyzed,and mathematic model was built,the main parameters were analyzed,that provided academic foundation for the application of the magnetic-control arc sensor.

Improvement of characteristic harmonic method in rotational arc sensor

Identification of welding torch attitude based on rotational arc sensor

An experimental system for underwater welding identification of welding torch offset based on high speed rotational arc sensor was established.