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Morgan Nilsen

Morgan Nilsen

Universitetslektor

Doktor i produktionsteknik

Anställd på Avdelningen för produktionssystem.

Forskar inom teknik, produktionsteknik.


Forskningsintresse

Mitt forskningsområde är automation med speciell inriktning mot sensorer, reglerteknik och processövervakning av svetsprocesser och additiv tillverkning.

Undervisning/handledning

Jag undervisar i sensorteknik, signaler och system för ingenjörsstudenter på kandidatnivå. Jag undervisar också inom sensorteknik och autonoma robotar på magisterprogrammet inom automation och robotik samt examinerar examensjobb både på kandidat och magisternivå.

Nyckelord

Svetsautomation, svetsövervakning, reglerteknik, sensorteknik, signalbehandling, bildbehandling.

Research gate

https://www.researchgate.net/profile/Morgan_Nilsen

Publikationer

http://swepub.kb.se/hitlist?q=Morgan+Nilsen&r=%3bpers%3a(Nilsen+Morgan)&d=swepub&m=10&p=1&s=c

Publikationer

Beam Offset Detection in Laser Stake Welding of Tee Joints Using Machine Learning and Spectrometer Measurements

Publicerat

Beam Offset Detection in Laser Stake Welding of Tee Joints Using Machine Learning and Spectrometer Measurements

Laser beam welding offers high productivity and relatively low heat input and is one key enabler for efficient manufacturing of sandwich...

DiVA
A study on change point detection methods applied to beam offset detection in laser welding

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...

DiVA
Adaptive control of the filler wire rate during laser beam welding of squared butt joints with varying gap width

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...

DiVA
Beam offset detection in laser stake welding of tee joints based on photodetector sensing

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...

DiVA
Detecting beam offsets in laser welding of closed-square-butt joints by wavelet analysis of an optical process signal

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...

DiVA
Monitoring and control of laser beam butt joint welding

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...

DiVA
Robust vision-based joint tracking for laser welding of curved closed-square-butt joints

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...

DiVA
Vision based beam offset detection in laser stake welding of T-joints using a neural network

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...

DiVA
In-process Monitoring and Control of Robotized Laser Beam Welding of Closed Square Butt Joints

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...

DiVA
Monitoring of Varying Joint Gap Width During Laser Beam Welding by a Dual Vision and Spectroscopic Sensing System

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...

DiVA
Optical detection of joint position in zero gap laser beam welding

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...

DiVA
Vision and spectroscopic sensing for joint tracing in narrow gap laser butt welding

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...

DiVA
Evaluation of non-contact methods for joint tracking in a laser beam welding application

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...

DiVA
Joint tracking in zero gap laser beam welding using a vision sensor

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...

DiVA
Monitoring of laser beam welding by a non-intrusive optical sensor system using photodiodes

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...

DiVA
Vision systems for in‐process monitoring of laser beam welding

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...

DiVA
Optical Methods for In-Process Monitoring of Laser Beam Welding

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...

DiVA

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