Institutt for realfag og industrisystemer
Recent Submissions
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Shielded Active Gas Forge Welding of an L80 Steel in a Small Scale Shielded Active Gas Forge Welding Machine
(Peer reviewed; Journal article, 2021)Abstract: The Shielded Active Gas Forge Welding (SAG-FW) method is a solid-state welding technique in which the mating surfaces are heated by induction heating or direct electrical heating before being forged together to ... -
Reliability of Training Data Sets for ML Classifiers: A Lesson Learned from Mechanical Engineering
(Chapter, 2020)The popularity of learning and predictive technologies, across many problem domains, is unprecedented and it is often underpinned with the fact that we efficiently compute with vast amounts of data and data types, and thus ... -
Semantic Management of Urban Traffic Congestion
(Chapter, 2020)Urban traffic congestion is a problem which affects the world and is related to the massive urbanization and excessive number of cars on our streets. This causes a variety of problems, from economical/financial and ... -
A relational perspective on the Wigner-Araki-Yanase theorem
(Peer reviewed; Journal article, 2020)We present a novel interpretation of the Wigner-Araki-Yanase (WAY) theorem based on a relational view of quantum mechanics. Several models are analysed in detail, backed up by general considerations, which serve to illustrate ... -
A quantum reference frame size-accuracy trade-off for quantum channels
(Peer reviewed; Journal article, 2020)The imposition of symmetry upon the nature and structure of quantum observables has recently been extensively studied, with quantum reference frames playing a crucial role. In this paper, we extend this work to quantum ... -
Early Validation of Stakeholder Needs by Applying Co‐creation Sessions
(Peer reviewed; Journal article, 2020)This paper investigates the application of co-creation sessions as a method in the early phases of development projects. The target is to do an early validation of stakeholder needs prior to project start. Co-creation ... -
An Interactive Tool for Collaboration and Knowledge Sharing of Customer Needs in the Conceptual Phase
(Peer reviewed; Journal article, 2020)This paper aims to research how the use of an interactive tool can facilitate collaboration, knowledge sharing and enhance the understanding of customer needs in conceptual phase at a global shipbuilding company. An effective ... -
Exploring a co-creative problem solving toolbox in the context of Norwegian high-tech industry
(Peer reviewed; Journal article, 2020)Norwegian high-tech industries face a rapidly changing market need. Staying ahead of competitors and developing significant innovative solutions are essential for business value. Systems engineering has proven to be an ... -
Eliciting Human Values by Applying Design Thinking Techniques in Systems Engineering
(Peer reviewed; Journal article, 2019)The objective of this study is to investigate the effect of Design Thinking techniques for capturing and communicating human values in the early phase of Systems Engineering. To develop products, systems, or services that ... -
Performance of Deep Learning LDPC Coded Communications in Large Scale MIMO Channels
(Chapter, 2019)In this paper, we investigate the performance of a large-scale multiple-input multiple-output (LS-MIMO) receiver, which deploys a deep neural network and a low-density paritycheck (LDPC) code for detecting and decoding ... -
Protograph LPDC Coded Large-Scale MIMO Communications With Low-Resolution ADCs
(Chapter, 2019)In this paper, we develop a new algorithm of joint detection and decoding receiver for the large-scale multiple-input multiple-out (LS-MIMO) coded communication systems with low-resolution ADCs. The new algorithm enables ... -
Experiences from Teaching Master level Course in Research Methods in Systems of Systems Engineering
(Chapter, 2020)The paper summarizes the challenges and experiences from a course in research methods for systems engineering master's students. This course is a preparatory course for the final master's project. Each student selects a ... -
A Roadmap for Sustainability for a Community in The Netherlands
(Chapter, 2020)The sustainability transition is a systems of systems challenge to the power `n'. The amount of systems and organizations that is involved is inconceivable for most humans. A roadmap is a means to structure much information ... -
Performance Analysis of Protograph LDPC Codes Over Large-Scale MIMO Channels With Low-Resolution ADCs
(Peer reviewed; Journal article, 2019)Protograph LDPC (P-LDPC) codes and large-scale multiple-input multiple-output (LS-MIMO) are cornerstones of 5G and future wireless systems, thanks to their powerful error-correcting capability and high spectral efficiency. ... -
Gunshot Airborne Surveillance with Rotary Wing UAV-Embedded Microphone Array
(Peer reviewed; Journal article, 2019)Unmanned aerial vehicles (UAV) are growing in popularity, and recent technological advances are fostering the development of new applications for these devices. This paper discusses the use of aerial drones as a platform ... -
Serpens: A Highly Compliant Low-Cost ROS-Based Snake Robot with Series Elastic Actuators, Stereoscopic Vision and a Screw-Less Assembly Mechanism
(Peer reviewed; Journal article, 2019)Snake robot locomotion in a cluttered environment where the snake robot utilises a sensory-perceptual system to perceive the surrounding operational environment for means of propulsion is defined as perception-driven ... -
Belief Propagation Detection For Large-Scale MIMO Systems With Low-Resolution ADCs
(Peer reviewed; Journal article, 2019)We derive the belief propagation (BP) detector for large-scale multiple-input multiple-out communication systems where the low-resolution analog-to-digital converters (ADCs) are used to save the power and hardware costs. ... -
A robust two-feedback loops position control algorithm for compliant low-cost series elastic actuators
(Peer reviewed; Journal article, 2019)Elastic joints are considered to outperform rigid joints in terms of peak dynamics, collision tolerance, robustness, and energy efficiency. Therefore, intrinsically elastic joints have become progressively prominent over ... -
Relative Quantum Time
(Peer reviewed; Journal article, 2019)The need for a time-shift invariant formulation of quantum theory arises from fundamental symmetry principles as well as heuristic cosmological considerations. Such a description then leaves open the question of how to ... -
Theory of bifurcation amplifiers utilizing the nonlinear dynamical response of an optically damped mechanical oscillator
(Peer reviewed; Journal article, 2019)We consider a standard optomechanical system where a mechanical oscillator is coupled to a cavity mode through the radiation pressure interaction. The oscillator is coherently driven at its resonance frequency, whereas the ...
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