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Morgan Nilsen
Universitetslektor, biträdande
Forskningsingenjör
Magister i mekatronik
Anställd på Avdelningen för produktionssystem.
- morgan.nilsen@hv.se
- 0520223353
- +46721600110
-
Rumsnummer: PTC
Publikationer
Publicerat
A study on change point detection methods applied to beam offset detection in laser welding
This paper presents an experimental study where a photodiode integrated into a laser beam welding tool is used to monitor laser beam spot deviation...
Publicerat
Adaptive control of the filler wire rate during laser beam welding of squared butt joints with varying gap width
Adding filler wire control to autogenous laser beam welding of squared butt joints offers a means to widen up the tight fit-up tolerances associate...
Publicerat
Beam offset detection in laser stake welding of tee joints based on photodetector sensing
This paper presents an experimental study where a photodetector is used in a laser beam welding tool to monitor beam deviations (beam offsets) in...
Publicerat
Detecting beam offsets in laser welding of closed-square-butt joints by wavelet analysis of an optical process signal
Robotized laser beam welding of closed-square-butt joints is sensitive to the positioning of the laser beam with respect to the joint since even a...
Publicerat
Monitoring and control of laser beam butt joint welding
Laser beam welding is one important technology in automated production. It has several advantages, such as the ability to produce deep and narrow...
Publicerat
Robust vision-based joint tracking for laser welding of curved closed-square-butt joints
Robotized laser beam welding of closed-square-butt joints is sensitive to how the focused laser beam is positioned in relation to the joint, and...
Publicerat
Vision based beam offset detection in laser stake welding of T-joints using a neural network
This paper presents an experimental study where a vision camera integrates coaxially into a laser beam welding tool to monitor beam deviations (bea...
Publicerat
In-process Monitoring and Control of Robotized Laser Beam Welding of Closed Square Butt Joints
In robotized laser welding of technical zero gap closed square butt joints it is critical to position the laser beam correct with regardsto the...
Publicerat
Monitoring of Varying Joint Gap Width During Laser Beam Welding by a Dual Vision and Spectroscopic Sensing System
A vision and spectroscopic system for estimation of the joint gap width in autogenous laser beam butt welding is presented. Variations in joint gap...
Publicerat
Optical detection of joint position in zero gap laser beam welding
This thesis presents an experimental study on how to track zero gaps between metal sheets to be joined by laser beam butt welding. Automated laser...
Publicerat
Vision and spectroscopic sensing for joint tracing in narrow gap laser butt welding
The automated laser beam butt welding process is sensitive to positioning the laser beam with respect to the joint because a small offset may resul...
Publicerat
Evaluation of non-contact methods for joint tracking in a laser beam welding application
The use of automated laser welding is a key enabler for resource efficient manufacturing in several industrial sectors. One disadvantage with laser...
Publicerat
Joint tracking in zero gap laser beam welding using a vision sensor
The paper describes a robust vision sensor system that can find very narrow gaps between metal sheets to be butt welded together. The use of...
Publicerat
Monitoring of laser beam welding by a non-intrusive optical sensor system using photodiodes
Monitoring and control of automated laser beam welding is necessary in order to increase weld quality and to optimise the process. This paper...
Publicerat
Vision systems for in‐process monitoring of laser beam welding
This paper addresses the issue of evaluating an optical vision system to be integrated with a 1μm laser beam welding tool for process monitoring. T...
Publicerat
Optical Methods for In-Process Monitoring of Laser Beam Welding
This paper addresses the issue of evaluating and selecting optical sensors to be integrated with a 1μm laser beam welding system. The method used f...