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A Multi-Modal Approach for Hand Motion Classification Using Surface EMG and Accelerometers
(IEEE Engineering in Medicine and Biology Society. Conference Proceedings;6091054, 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 multi-sensor fusion framework for improving situational awareness in demanding maritime training
(Journal article, 2017)Real offshore operational scenarios can involve a considerable amount of risk. Sophisticated training programmes involving specially designed simulator environments constitute a promising approach for improving an individual's ... -
A Multicore-aware Deadline-driven Real-Time Scheduler for the Linux Kernel
(Master thesis, 2009)Design and implementation of a multicore scheduler for the Linux kernel. Specifically look at the pfair global algorithm, a ratebased deadline driven scheduler that is near-optimal on multicore platforms -
A multiple model adaptive architecture for the state estimation in discrete-time uncertain LPV systems
(Journal article, 2017)This paper addresses the problem of multiple model adaptive estimation (MMAE) for discrete-time linear parameter varying (LPV) systems that are affected by parametric uncertainty. The MMAE system relies on a finite number ... -
A Neural Network Approach to Control Allocation of Ships for Dynamic Positioning
(Journal article; Peer reviewed, 2018)Dynamic Positioning (DP) of ships is a control mode that seeks to maintain a specific position (stationkeeping) or perform low-speed maneuvers. In this paper, a static Neural Network (NN) is proposed for control allocation ... -
A Nonlinear Model Predictive Controller for flexible satellite attitude control
(Master thesis, 2023)Raskere manøvrering av jordobservasjonssatellitter reduserer tidsbruk og øker tiden tilgjengelig for observasjoner. Formålet med denne oppgaven er å studere hvorvidt det er mulig å benyutte ulineær modellbasert prediktiv ... -
A note on establishing convergence in adaptive systems
(Journal article; Peer reviewed, 2018)We present a new formulation of a convergence result for Lyapunov function candidates satisfying a differential inequality with integrable coefficients that often appears in adaptive control problems. Usually, Barbalat’s ... -
A novel Doppler based speed measurement technique for individual free-ranging fish
(Chapter, 2019)A novel Doppler based speed measurement technique for free-ranging acoustically tagged fish was developed and validated through a field experiment in a marine aquaculture farm. For emulated swimming speeds in the range ... -
A Novel Local Path Planner for a Marine Debris Cleaning ASV
(Master thesis, 2023)Plastforurensning i havet er en økende miljøkrise, og det er derfor behov for innovative løsninger for å redusere konsekvensene. En slik løsning er Clean Sea Solutions Aquadrone, en autonom farkost for opprydding av marint ... -
A novel model-based scheme for kick and loss mitigation during drilling
(Journal article; Peer reviewed, 2013)A model-based in-/out-flux detection scheme for managed pressure drilling is presented. We apply a globally exponentially stable adaptive observer which estimates the unknown states and parameters of the hydraulic system ... -
A novel role for pigment genes in the stress response in rainbow trout (Oncorhynchus mykiss)
(Journal article; Peer reviewed, 2016)In many vertebrate species visible melanin-based pigmentation patterns correlate with high stress- and disease-resistance, but proximate mechanisms for this trait association remain enigmatic. Here we show that a missense ... -
A Parallel FPGA Implementation of the CCSDS-123 Compression Algorithm
(Journal article; Peer reviewed, 2019)Satellite onboard processing for hyperspectral imaging applications is characterized by large data sets, limited processing resources and limited bandwidth of communication links. The CCSDS-123 algorithm is a specialized ... -
A Path-Velocity Decomposition Approach to Collision Avoidance for Autonomous Passenger Ferries
(Master thesis, 2019)Under utviklingen av autonome systemer, som for eksempel autonome passasjerferger, er det to kritiske sub-systemer som må være på plass for at systemet ikke bare skal være automatisert. Det første er et situasjonsforståe ... -
A Phenomenological Model of Percussive Drilling: Review of Experimental Evidence
(Chapter, 2019)In this paper, we review and analyze published experimental findings in light of the hypothesis that the dependence of bit-rock interface (BRI) pseudo-stiffness on the weight-on-bit (WOB) is the key factor behind the ... -
A Primal decomposition algorithm for distributed multistage scenario model predictive control
(Journal article; Peer reviewed, 2019)This paper proposes a primal decomposition algorithm for efficient computation of multistage scenario model predictive control, where the future evolution of uncertainty is represented by a scenario tree. This often results ... -
A Programming Language with Deterministic Multithreading
(Master thesis, 2015)This report presents a programming language with deterministic multithreading and its compiler. The language demonstrates that when making IO and inter-thread communication sequential, most problems with multithreaded ... -
A Protocol Bridge Between Bluetooth Low Energy and IEEE 802.15.4 Based LR-WPANs: Concept, Design and Prototype
(Master thesis, 2013)The interconnection between electronic devices is increasing and wireless technologies are replacing wires at a high pace. Smartphones are today common property and their area of application is growing rapidly. Even so, a ... -
A Reactive Collision Avoidance Algorithm for Nonholonomic Vehicles
(Journal article; Peer reviewed, 2017)This paper presents a reactive collision avoidance algorithm for vehicles with unicycle-type nonholonomic constraints. Static and dynamic obstacles are avoided by keeping a constant avoidance angle to the obstacle. The ... -
A Reactive Collision Avoidance Algorithm for Vehicles with Underactuated Dynamics
(Journal article; Peer reviewed, 2017)This paper presents a reactive collision avoidance algorithm, which avoids both static and moving obstacles by keeping a constant avoidance angle between the vehicle velocity vector and the obstacle. In particular, we ...