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Formability of aluminium alloy subjected to prestrain by rolling
(Doctoral thesis at NTNU;2014:363, Doctoral thesis, 2014)
The purpose of this thesis was to improve the understanding and the accuracy of the description of metal sheet formability following the needs of the automotive industry. In particular, the effects of plastic anisotropy ...
Stability Investigation of Power Electronics Systems; A Microgrid Case
(Doctoral thesis at NTNU;2015:2, Doctoral thesis, 2015)
This thesis is focused on the stability of systems containing high power electronic devices. The study mainly involves the exchanger device in a hybrid current microgrid. This microgrid has a topology with a DC bus and ...
Direct training of robots using a positional deviation sensor
(Doktor ingeniøravhandling;1988:33, Doctoral thesis, 1988)
A device and system for physically guiding a manipulator through its task is described. The device consists of inductive, contact-free positional deviation sensors, enabling the rcbot to track a motion marker. Factors ...
The Boarding Control System: Modelling and Control of a Surface Effect Ship for improved accessibility to Offshore Wind Turbines
(Doctoral thesis at NTNU;2015:168, Doctoral thesis, 2015)
The main contribution of this thesis is to introduce a control system that enables access to offshore wind turbines for operation and maintenance (O&M) in higher sea states than what is possible today, while maintaining ...
Vurdering av romlige mønstre i Stavanger Kommune ved bruk av skadedata og multivariat regresjon - En GIS studie
(Master thesis, 2015)
Denne oppgaven utforsker romlige mønstre vedrørende intensiteten av hendelser og erstatningsutbetalinger knyttet til vannskader i Stavanger Kommune. Hot spots som ble identifisert, svarte på spørsmålet om hvor, mens de ...
Energy Efficiency in Swimming Facilities
(Doctoral theses at NTNU;2015:130, Doctoral thesis, 2015)
High and increasing energy use is a worldwide issue that has been reported and documented in the literature. Various studies have been performed on renewable energy and energy efficiency to counteract this trend. Although ...
Exploration of Energy Efficient Memory Organizations Exploiting Data Variable Based System Scenarios
(Doctoral thesis at NTNU;2016:6, Doctoral thesis, 2016)
Modern embedded systems are capable of performing a wide range of tasks and their popularity is increasing in many different application domains. The recent progress in semiconductor processing technology greatly ...
MULTIVARIATE PUBLIC KEY CRYPTOSYSTEMS PRODUCED BY QUASIGROUPS
(Doctoral thesis at NTNU;2015:101, Doctoral thesis, 2015)
Multivariate public key cryptography (MPKC) is the study of public key cryptosystems based on the NP-hard problem of solving multivariate quadratic (MQ) systems of equations over finite fields. In the past two decades ...
Daily Production Optimization for Subsea Production Systems: Methods based on mathematical programming and surrogate modelling
(Doctoral thesis at NTNU;2015:275, Doctoral thesis, 2015)
Stochastic Short-term Bidding Optimisation for Hydro Power Producers
(Doctoral thesis at NTNU;2015:176, Doctoral thesis, 2015)
Hydropower bidding in physical short-term markets is a complex task. It requires careful modelling of sufficient technical details and good description of the market uncertainty. This thesis contributes to the field both ...