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Indoor Navigation System and Suspended Load Control for Multirotors
(Master thesis, 2015)This thesis considers a high precision indoor navigation system and a suspended load control for multirotor systems. A complete overview of a multirotor system with all the necessary hardware and software is presented. A ... -
Industry 4.0 and Asset Administration Shell (AAS): Implementing a Small Scale Demonstrator
(Master thesis, 2023)I samanheng med den aukande grada av digitalisering og Industri 4.0, utforskar denne masteroppgåva omgrepet interoperabilitet og kva det betyr for å gjere det mogleg for system å kommunisere og forstå kvarandre. Med ... -
Inertial Navigation aided by Ultra-Wideband Ranging for Ship Docking and Harbor Maneuvering
(Peer reviewed; Journal article, 2022)This article presents an inertial navigation system aided by local ranging measurements derived from an ultra-wideband system. The system consists of one onboard tag and several onshore anchors. It is motivated by the need ... -
Inertial Navigation — Theory and Applications
(Doctoral theses at NTNU;2018:38, Doctoral thesis, 2018)Navigation is defined as the process of estimating the six degrees of freedom. We have seen an increased demand for navigation the last decade, and important reasons for the growth are the increased availability of low ... -
Inertial Sensors for Risk-Based Redundancy in Dynamic Positioning
(Chapter, 2017)In this paper we present an alternative configuration of sensors, position and heading reference systems for dynamically positioned (DP) vessels. The approach uses a sensor structure based on low-cost inertial measurements ... -
Infinite-Dimensional Observer for Process Monitoring in Managed Pressure Drilling
(Journal article; Peer reviewed, 2015)Utilizing flow rate and pressure data in and out of the mud circulation loop provides a driller with real-time trends for the early detection of well-control problems that impact the drilling efficiency. This paper presents ... -
Inflight Estimation of Airflow Variables, Wind Velocities and Aerodynamic Coefficients for Unmanned Aerial Vehicles
(Doctoral theses at NTNU;2018:349, Doctoral thesis, 2018)This thesis focuses on the estimation of wind velocities, angle of attack and aerodynamic coefficients for small unmanned aerial vehicles (UAVs) and in addition, the use of these estimates for two different applications. ... -
Influence of Viscosity and Non-Linearities in Predicting Motions of a Wind Energy Offshore Platform in Regular Waves
(Peer reviewed; Journal article, 2018)Motion prediction of floating bodies in waves represents one of the most challenging problems in naval hydrodynamics. The solution of the seakeeping problem involves the study of complex non-linear wave-body interactions ... -
Influence of Weight-on-Bit on Percussive Drilling Performance
(Peer reviewed; Journal article, 2020)A phenomenological model for percussive drilling systems is proposed in this paper to explain the experimentally demonstrated existence of an optimal weight-on-bit (WOB), for which the rate of penetration (ROP) is maximized. ... -
Information model for functional safety
(Research report, 2023)A main objective of this report has been to contribute toward further digitalisation and standardisation of the petroleum industry. In particular, the report explores: • How ideas from Industry 4.0 and the AAS (asset ... -
Information-driven robotic sampling in the coastal ocean
(Journal article; Peer reviewed, 2018)Efficient sampling of coastal ocean processes, especially mechanisms such as upwelling and internal waves and their influence on primary production, is critical for understanding our changing oceans. Coupling robotic ... -
Infrared Object Detection & Tracking in UAVs
(Master thesis, 2013)The present thesis describes the design and implementation of a small, light weight and power efficient payload system for the use in unmanned aerial vehicles (UAVs). The primary application of the payload system is that ... -
Infrastructure for Collecting and Analysing near Real-Time Data from Several Water Meters Using Wireless M-Bus
(Master thesis, 2021)Bruken av smarte vannmålere blir mer populært, og flere norske kommuner, inkludert Trondheim, ønker at det tas i bruk for alle husstander. Wireless Meter-Bus (wM-Bus) har vist seg å være en populær standard i denne prosessen ... -
Inhibits and Overrides: Applications Seen in a Safety Perspective
(Master thesis, 2011)The main purpose of this thesis has been to identify the general usage of the applications textit{inhibit} and textit{override} for a collection of installations operated by Statoil ASA. The applications are provided by a ... -
Inner Loop Adaptive Control of Fixed-Wing Unmanned Aerial Vehicles in Icing Conditions
(Master thesis, 2022)Motivert av økende bruk av små ubemannede luftfartøy utforsker denne oppgaven bruken av MRAC (model reference adaptive control), en type adaptiv regulator, og sammenligner det mot konvensjonelle PID-regulatorer. Begge ... -
Innledende utvikling av kameramodul for satellitten HYPSO-3
(Bachelor thesis, 2024)Hyperspektral avbildning på småsatellitter krever et kamera med høy bilderate for god romlig oppløsning. Denne rapporten presenterer bildesensoren XRB-1350 fra SIONYX som et alternativ for bruk i det hyperspektrale kameraet ... -
Innovation in Underwater Robots: Biologically Inspired Swimming Snake Robots
(Journal article; Peer reviewed, 2016)Increasing efficiency by improving locomotion methods is a key issue for underwater robots. Moreover, a number of different control design challenges must be solved to realize operational swimming robots for underwater ... -
Input-to-State Stable Integral Line-of-Sight Guidance for Curved Paths with Anti-Windup Guarantees
(Peer reviewed; Journal article, 2024)This letter considers integral line-of-sight (LOS) guidance for curved path following for underactuated marine vehicles. The proposed guidance scheme renders the resulting closed-loop system input-to-state stable (ISS) ... -
Input-to-State Stable Integral Line-of-Sight Guidance for Curved Paths With Anti-Windup Guarantees
(Peer reviewed; Journal article, 2024)This letter considers integral line-of-sight (LOS) guidance for curved path following for underactuated marine vehicles. The proposed guidance scheme renders the resulting closed-loop system input-to-state stable (ISS) ...