会议论文详细信息
7th International Scientific and Research Conference "Topical Issues in Aeronautics and Astronautics"
Tracking on the joint during the electron beam welding
航空航天工程
Braverman, V.^1 ; Bogdanov, V.^1 ; Belozertsev, V.^1 ; Uspenskiy, N.^1
Reshetnev Siberian State Aerospace University, Krasnoyarsky Rabochy av., 31, Krasnoyarsk
660037, Russia^1
关键词: Beam positions;    Extremum seeking;    Joint sensors;    Sensor signals;    Synchronous detection;    Welding directions;   
Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/155/1/012023/pdf
DOI  :  10.1088/1757-899X/155/1/012023
学科分类:航空航天科学
来源: IOP
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【 摘 要 】

In the article the description of device, which provides automatic positioning of electron beam relative to joint of welded parts during welding, is given. Extremum seeking based on synchronous detection of sensor signal (X-ray or secondary emission) is realized in the device. Measurements are made when beam goes out of the channel following the welding direction. The application of synchronous detection is possible due to the fact that during joint scanning with electron beam harmonics, carrying data about beam position relative to the joint appear in the joint sensor signal spectrum.

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