Digital Signal Processing and Artificial Intelligence for Automatic Learning Svetlana Gerganova-Savova 1 4 2023 https://doi.org/10.6025/dspaial/2022/1/4/136-141 https://www.dline.info/dspai/fulltext/v1n4/v1n4_2.pdf In the creation of welding robots, the movement of manipulator unit is important. We have created a system for positioning of the welding head, we have developed a system with some input parameters which are described.