• A Multi-Modal Approach for Hand Motion Classification Using Surface EMG and Accelerometers 

      Fougner, Anders Lyngvi; Scheme, Erik; Chan, Adrian D. C.; Englehart, Kevin; Stavdahl, Øyvind (IEEE Engineering in Medicine and Biology Society. Conference Proceedings;6091054, Conference object; Journal article; Peer reviewed, 2011)
      For decades, electromyography (EMG) has been used for diagnostics, upper-limb prosthesis control, and recently even for more general human-machine interfaces. Current commercial upper limb prostheses usually have only two ...
    • A Review of the Current Challenges Associated with the Development of an Artificial Pancreas by a Double Subcutaneous Approach 

      Christiansen, Sverre; Fougner, Anders Lyngvi; Stavdahl, Øyvind; Kölle, Konstanze; Ellingsen, Reinold; Carlsen, Sven Magnus (Journal article; Peer reviewed, 2017)
      Introduction Patients with diabetes type 1 (DM1) struggle daily to achieve good glucose control. The last decade has seen a rush of research groups working towards an artificial pancreas (AP) through the application of a ...
    • Control of Upper Limb Prostheses: Terminology and Proportional Myoelectric Control-A Review 

      Fougner, Anders Lyngvi; Stavdahl, Øyvind; Kyberd, Peter Joseph; Losier, Yves G.; Parker, Philip A. (Journal article; Peer reviewed, 2012)
      The recent introduction of novel multifunction hands as well as new control paradigms increase the demand for advanced prosthetic control systems. In this context, an unambiguous terminology and a good understanding of the ...
    • Control System for Hy5 Hydraulic Hand Prosthesis 

      Ariansen, Elsa Louise (Master thesis, 2019)
      En protesebruker mister muligheten til å analysere sine omgivelser gjennom berøringssansen. Det å plukke opp gjenstander og utføre småmotoriske bevegelser, som vanligvis kan gjennomføres uanstrengt og ubevisst kan kreve ...
    • Data Driven Filtering of Bowel Sounds Using Multivariate Empirical Mode Decomposition 

      Kölle, Konstanze; Aftab, Muhammad Faisal; Andersson, Leif Erik; Fougner, Anders Lyngvi; Stavdahl, Øyvind (Journal article; Peer reviewed, 2019)
      Background The analysis of abdominal sounds can help to diagnose gastro-intestinal diseases. Sounds originating from the stomach and the intestine, the so-called bowel sounds, occur in various forms. They are described ...
    • Detection of Bowel Sounds 

      Kvello, Kaja (Master thesis, 2018)
      This thesis describes the development and implementation of a bowel sound detection algorithm, which ultimately might be used as part of a meal detection system in an artificial pancreas. An artificial pancreas is an ...
    • Differences Between Flash Glucose Monitor and Fingerprick Measurements 

      Staal, Odd Martin; Hansen, Heidi Marie Umbach; Christiansen, Sverre; Fougner, Anders Lyngvi; Carlsen, Sven Magnus; Stavdahl, Øyvind (Journal article; Peer reviewed, 2018)
      Freestyle Libre (FL) is a factory calibrated Flash Glucose Monitor (FGM). We investigated Mean Absolute Relative Difference (MARD) between Self Monitoring of Blood Glucose (SMBG) and FL measurements in the first day of ...
    • Early Meal Detection Based on Abdominal Sound 

      Søiland, Elise (Master thesis, 2019)
      Denne oppgaven beskriver utvikling og implementasjon av en algoritme for måltidsdeteksjon basert på lyd fra magen. Målet er at en slik algoritme skal være en del av en automatisk insulinpumpe, også kalt en kunstig ...
    • Effect of sensor location on continuous intraperitoneal glucose sensing in an animal model 

      Åm, Marte Kierulf; Kölle, Konstanze; Fougner, Anders Lyngvi; Dirnena-Fusini, Ilze; Bösch, Patrick Christian; Ellingsen, Reinold; Hjelme, Dag Roar; Stavdahl, Øyvind; Carlsen, Sven Magnus; Christiansen, Sverre (Journal article; Peer reviewed, 2018)
      In diabetes research, the development of the artificial pancreas has been a major topic since continuous glucose monitoring became available in the early 2000’s. A prerequisite for an artificial pancreas is fast and reliable ...
    • Examining the Adverse Effects of Limb Position on PatternRecognition Based Myoelectric Control 

      Scheme, Erik; Fougner, Anders Lyngvi; Stavdahl, Øyvind; Chan, Adrian D. C.; Englehart, Kevin (;5627638, Conference object; Journal article; Peer reviewed, 2010)
      Pattern recognition of myoelectric signals for the control of prosthetic devices has been widely reported and debated. A large portion of the literature focuses on offline classification accuracy of pre-recorded signals. ...
    • Fault detection in glucose control: Is it time to move beyond CGM data? 

      Kölle, Konstanze; Fougner, Anders Lyngvi; Unstad, Karl Arthur Frelsøy; Stavdahl, Øyvind (Journal article; Peer reviewed, 2018)
      People with diabetes mellitus type 1 could benefit from fully automated systems for glucose control. However, faults in any component of the system can severely compromise the safety of the user. An increasing degree of ...
    • Feasibility of early meal detection based on abdominal sound. 

      Kölle, Konstanze; Fougner, Anders Lyngvi; Ellingsen, Reinold; Carlsen, Sven Magnus; Stavdahl, Øyvind (Journal article; Peer reviewed, 2019)
      Background In classical approaches for an artificial pancreas, continuous glucose monitoring (CGM) is the only measured variable used for insulin dosing and additional control functions. The CGM values are subject to time ...
    • Glucose-insulin metabolism model reduction and parameter selection using sensitivity analysis 

      Staal, Odd Martin; Fougner, Anders Lyngvi; Sælid, Steinar; Stavdahl, Øyvind (Journal article; Peer reviewed, 2019)
      Glucose-insulin metabolism models are useful tools for research on diabetes, in development of diabetes-related medical devices like artificial pancreas systems, insulin pumps and continuous glucose monitors, and may also ...
    • Impact of sensing and infusion site dependent dynamics on insulin bolus based meal compensation 

      Kölle, Konstanze; Fougner, Anders Lyngvi; Stavdahl, Øyvind (Journal article; Peer reviewed, 2017)
      Meals are most challenging in the regulation of blood glucose levels (BGL) in diabetes mellitus type 1, whether it is automated, semi-automated or manually controlled. The common subcutaneous (SC) route for glucose sensing ...
    • Intraperitoneal, subcutaneous and intravenous glucagon delivery and subsequent glucose response in rats: A randomized controlled crossover trial 

      Dirnena-Fusini, Ilze; Åm, Marte Kierulf; Fougner, Anders Lyngvi; Carlsen, Sven Magnus; Christiansen, Sverre (Journal article; Peer reviewed, 2018)
      Objective Hypoglycemia is a frequent and potentially dangerous event among patients with diabetes mellitus type 1. Subcutaneous glucagon is an emergency treatment to counteract severe hypoglycemia. The effect of intraperitoneal ...
    • Kalman smoothing for objective and automatic preprocessing of glucose data 

      Staal, Odd Martin; Sælid, Steinar; Fougner, Anders Lyngvi; Stavdahl, Øyvind (Journal article; Peer reviewed, 2018)
      A method for preprocessing a time series of glucose measurements based on Kalman smoothing is presented. Given a glucose data time series that may be irregularly sampled, the method outputs an interpolated time series of ...
    • Meal detection based on non-individualized moving horizon estimation and classification 

      Kölle, Konstanze; Fougner, Anders Lyngvi; Stavdahl, Øyvind (Journal article, 2017)
      Meals are one of the greatest challenges to glucose regulation in diabetes mellitus type 1. Several times each day, food causes heavily elevated blood glucose concentrations that may result in long-term complications. ...
    • Meal estimation from Continuous Glucose Monitor data using Kalman filtering and hypothesis testing 

      Staal, Odd Martin; Sælid, Steinar; Fougner, Anders Lyngvi; Stavdahl, Øyvind (Journal article; Peer reviewed, 2019)
      A method for estimating meal inputs from Continuous Glucose Monitoring (CGM) data is presented. The method is based on Kalman filtering and hypothesis testing, and provides estimates of the time the meal was initiated and ...
    • Modelling and Implementation of Glycemic Response Calculator 

      Stige, Peter Martinius (Master thesis, 2019)
      For personer med diabetes mellitus er det avgjørende å holde blodsukkernivået innenfor det anbefalte området etter måltider. Mange gjør dette ved selv å telle karbohydrater, og deretter bestemme mengden insulin som skal ...
    • Parametrisk usikkerhet i modellbasert regulering 

      Sæle, Ludvig Stangeland (Master thesis, 2019)
      Denne oppgaven tar i betraktning arbeidet utført på APT-simulatoren som Hans Erik Frøyen startet på i sin masteroppgave. Nicolay Erlbeck og Karl Arthur Unstad videreutviklet denne simulatoren i sine oppgaver. Oppgaven ...