Browsing AURA by Author "Robbersmyr, Kjell Gunnar"
Now showing items 1-20 of 27
-
An EEMD Aided Comparison of Time Histories and Its Application in Vehicle Safety
Wei, Zuolong; Robbersmyr, Kjell Gunnar; Karimi, Hamid Reza (Journal article; Peer reviewed, 2017)In the context of signal processing, the comparison of time histories is required for different purposes, especially for the model validation of vehicle safety. Most of the existing metrics focus on the mathematical value ... -
Branch-Manoeuvring Capable Pipe Cleaning Robot for Aquaponic Systems
Knausgård, Kristian Muri; Gangenes Skar, Siv-Lene; Sanfilippo, Filippo; Buldenko, Albert; Lindheim, Henning; Lunde, Jakob; Sukarevicius, Eligijus; Robbersmyr, Kjell Gunnar (Communications in Computer and Information Science;1616, Chapter; Peer reviewed, 2022)Aquaponic systems are engineered ecosystems combining aquaculture and plant production. Nutrient rich water is continuously circulating through the system from aquaculture tanks. A biofilter with nitrifying bacteria breaks ... -
Crash Response of a Repaired Vehicle-Influence of Welding UHSS Members
Noorsumar, Gulshan; Robbersmyr, Kjell Gunnar; Rogovchenko, Svitlana; Vysochinskiy, Dmitry (Peer reviewed; Journal article, 2020)Automakers generally recommend not to weld structural parts after a vehicle crash, and these should be replaced as a whole part in case of a crash event. Sectioning of these members is also not recommended and use of the ... -
Detecting Eccentricity and Demagnetization Fault of Permanent Magnet Synchronous Generators in Transient State
Attestog, Sveinung; Huynh, Khang; Robbersmyr, Kjell Gunnar (Journal article; Peer reviewed, 2019) -
Effect of welding and heat treatment on the properties of UHSS used in automotive industry
Noorsumar, Gulshan; Vysochinskiy, Dmitry; Englund, Even; Robbersmyr, Kjell Gunnar; Rogovchenko, Svitlana (Journal article; Peer reviewed, 2021)This paper deals with the undesired effects of the heat treatments on the mechanical properties of (UHSS) Ultra High Strength Steel used nowadays in automotive industry to improve crashworthiness performance of vehicles. ... -
Field Reconstruction for Modeling Multiple Faults in Permanent Magnet Synchronous Motors in Transient States
Attestog, Sveinung; Huynh, Khang; Robbersmyr, Kjell Gunnar (Peer reviewed; Journal article, 2021) -
Four-Level Three-Phase Inverter With Reduced Component Count for Low and Medium Voltage Applications
Salem, Ahmed; Huynh, Khang; Robbersmyr, Kjell Gunnar (Peer reviewed; Journal article, 2021) -
Health Indicator for Low-speed Axial Bearings using Variational Autoencoders
Hemmer, Martin; Klausen, Andreas; Huynh, Khang; Robbersmyr, Kjell Gunnar; Waag, Tor Inge (Journal article; Peer reviewed, 2020) -
Hybrid Three-Phase Transformer-Based Multilevel Inverter With Reduced Component Count
Ali, Ahmed Mohamed Salem; Huynh, Van Khang; Jiya, Immanuel Ninma; Robbersmyr, Kjell Gunnar (Peer reviewed; Journal article, 2022)The topology of the static synchronous compensator of reactive power for a low-voltage three-phase utility grid capable of asymmetric reactive power compensation in grid phases has been proposed and analysed. It is implemented ... -
Improved Quadratic Time-frequency Distributions for Detecting Inter-turn Short Circuits of PMSMs in Transient States
Attestog, Sveinung; Huynh, Khang; Robbersmyr, Kjell Gunnar (Peer reviewed; Journal article, 2020) -
Mathematical models for assessment of vehicle crashworthiness : a review
Noorsumar, Gulshan; Rogovchenko, Svitlana; Robbersmyr, Kjell Gunnar; Vysochinskiy, Dmitry (Journal article; Peer reviewed, 2021)This article reviews approaches to mathematical modeling of a vehicle crash. The growing focus on vehicle and occupant safety in car crashes has triggered the need to study vehicle crashworthiness in the initial stages of ... -
Modeling of Modified Vehicle Crashworthiness using a Double Compound Pendulum
Noorsumar, Gulshan; Rogovchenko, Svitlana; Vysochinskiy, Dmitry; Robbersmyr, Kjell Gunnar (Chapter; Peer reviewed, 2022)Vehicle crash modeling has been a challenge for researchers for several decades. Occupant injury prevention and prediction is a critical area within vehicle safety design. The modeling of material failure in structural ... -
Modelling and Detecting Faults of Permanent Magnet Synchronous Motors in Dynamic Operations
Attestog, Sveinung (Doctoral Dissertations at the University of Agder; no. 384, Doctoral thesis, 2022)Permanent magnet synchronous motors (PMSMs) have played a key role in commercial and industrial applications, i.e. electric vehicles and wind turbines. They are popular due to their high efficiency, control simplification ... -
Modelling Demagnetized Permanent Magnet Synchronous Generators using Permeance Network Model with Variable Flux Sources
Attestog, Sveinung; Huynh, Khang; Robbersmyr, Kjell Gunnar (Chapter; Peer reviewed, 2019) -
Multilevel Inverters with Reduced Component Count for Energy Systems
Ali, Ahmed Mohamed Salem (Doctoral Dissertations at the University of Agder; no. 339, Doctoral thesis, 2021)Multilevel inverters (MLIs) have gained increasing interest for advanced energy-conversion systems with a wide range of voltage levels, due to their attractive features of low harmonic contents, low dv/dt stress, low ... -
A Novel Technique for Modeling Vehicle Crash using Lumped Parameter Models
Noorsumar, Gulshan; Rogovchenko, Svitlana; Robbersmyr, Kjell Gunnar; Vysochinskiy, Dmitry; Klausen, Andreas (Chapter; Peer reviewed, 2021)This paper presents a novel technique for modeling a full frontal vehicle crash. The crash event is divided into two phases; the first until maximum crush and the second part when the vehicle starts pitching forward. This ... -
Optimization of Vehicle-to-Vehicle Frontal Crash Model based on Measured Data using Genetic Algorithm
Munyazikwiye, Bernard B.; Karimi, Hamid Reza; Robbersmyr, Kjell Gunnar (Journal article; Peer reviewed, 2017)In this paper, a mathematical model for vehicle-to-vehicle frontal crash is developed. The experimental data are taken from the National Highway Traffic Safety Administration. To model the crash scenario, the two vehicles ... -
Phase error analysis of clipped waveforms in surface topography measurement using projected fringes
Gåsvik, Kjell; Robbersmyr, Kjell Gunnar; Vadseth, Trond Kjell (Peer reviewed; Journal article, 2020) -
Prediction of Vehicle Crashworthiness Parameters Using Piecewise Lumped Parameters and Finite Element Models
Munyazikwiye, Bernard B.; Vysochinskiy, Dmitry; Robbersmyr, Kjell Gunnar; Khadyko, Mikhail (Journal article; Peer reviewed, 2018) -
Rapid Diagnosis of Induction Motor Electrical Faults using Convolutional Autoencoder Feature Extraction
Husebø, Arild Bergesen; Kandukuri, Surya Teja; Klausen, Andreas; Huynh, Khang; Robbersmyr, Kjell Gunnar (Journal article; Peer reviewed, 2020)