Viser treff 241-260 av 1119

    • Spectrum Sensing in Cognitive Radio Using CNN-RNN and Transfer Learning 

      Solanki, Surendra; Dehalwar, Vasudev; Choudhary, Jaytrilok; Kolhe, Mohan Lal; Ogura, Koki (Peer reviewed; Journal article, 2022)
      Cognitive radio has been proposed to improve spectrum utilization in wireless communication. Spectrum sensing is an essential component of cognitive radio. The traditional methods of spectrum sensing are based on feature ...
    • Analysis of relay-based feedback compensation of Coulomb friction 

      Ruderman, Michael; Fridman, Leonid M. (Peer reviewed; Journal article, 2022)
      Standard problem of one-degree-of-freedom mechanical systems with Coulomb friction is revised for a relay-based feedback stabilization. It is recalled that a system with Coulomb friction is asymptotically stabilizable via ...
    • Human activity signatures captured under different directions using SISO and MIMO radar systems 

      Waqar, Sahil; Muaaz, Muhammad; Pätzold, Matthias Uwe (Peer reviewed; Journal article, 2022)
      In this paper, we highlight and resolve the shortcomings of single-input single-output (SISO) millimeter wave (mm-Wave) radar systems for human activity recognition (HAR). A 2 × 2 distributed multiple-input multiple-output ...
    • Digital Twin Technology for Bridge Maintenance using 3D Laser Scanning: A Review 

      Hosamo, Haidar; Hosamo, Mohsen (Peer reviewed; Journal article, 2022)
      There has been a significant surge in the interest in adopting cutting-edge new technologies in the civil engineering industry in recent times that monitor the Internet of Things (IoT) data and control automation systems. ...
    • Modeling Stator Winding Inter-Turn Short Circuit Faults in PMSMs including Cross Effects 

      Ebrahimi, Saeed Hasan; Choux, Martin Marie Hubert; Huynh, Khang (Chapter; Peer reviewed, 2020)
      This paper presents a detailed analysis of stator winding inter-turn Short Circuit (ITSC) faults, taking the cross effects in the three phases of a permanent magnet synchronous motor (PMSM) into account by considering ...
    • Accurate Wound and Lice Detection in Atlantic Salmon Fish Using a Convolutional Neural Network 

      Gupta, Aditya; Bringsdal, Even; Knausgård, Kristian Muri; Goodwin, Morten (Peer reviewed; Journal article, 2022)
      The population living in the coastal region relies heavily on fish as a food source due to their vast availability and low cost. This need has given rise to fish farming. Fish farmers and the fishing industry face serious ...
    • RMS Based Health Indicators for Remaining Useful Lifetime Estimation of Bearings 

      Klausen, Andreas; Huynh, Khang; Robbersmyr, Kjell Gunnar (Peer reviewed; Journal article, 2022)
      Estimating the remaining useful life (RUL) of bearings from healthy to faulty is important for predictive maintenance. The bearing fault severity can be estimated based on the energy or root mean square (RMS) of vibration ...
    • Nonlinear air dynamics of a surface effect ship in small-amplitude waves 

      Guo, Zhiqun; Zhong, Liangjing; Wang, Kai; Jiang, Zhiyu (Peer reviewed; Journal article, 2022)
      In many existing works, the seakeeping motions and air dynamics of a surface effect ship (SES) were assumed to be linear under small-amplitude waves (wave amplitude to wave length ratio ≤ 5%) to enhance the computational ...
    • A married couple of mathematicians from Vienna remembers Sigmund Freud (1953) 

      Siegmund-Schultze, Reinhard (Peer reviewed; Journal article, 2023)
      The paper is based on a hitherto unexplored document (audiotape of an interview accompanied by a German transcript) from 1953, located in the Freud Papers at the Library of Congress. It contributes to a better understanding ...
    • Adaptive quantized control of uncertain nonlinear rigid body systems 

      Schlanbusch, Siri Marte; Zhou, Jing (Journal article; Peer reviewed, 2023)
      This paper investigates the attitude tracking control problem for uncertain nonlinear rigid body systems, where both inputs and states are quantized. It is common in networked control systems that sensor and control signals ...
    • Permanent deformation and fatigue damage interaction in asphalt concrete using energy approach 

      Alamnie, Mequanent Mulugeta; Taddesse, Ephrem; Hoff, Inge (Chapter; Peer reviewed, 2022)
      The interaction of fatigue and permanent deformation is very complex phenomenon and little attempt is made on this topic. This paper presents an investigation on the interaction of the two damages using the energy approach. ...
    • On the Convergence of Tsetlin Machines for the XOR Operator 

      Lei, Jiao; Zhang, Xuan; Granmo, Ole-Christoffer; Abeyrathna, Kuruge Darshana (Peer reviewed; Journal article, 2022)
      The Tsetlin Machine (TM) is a novel machine learning algorithm with several distinct properties, including transparent inference and learning using hardware-near building blocks. Although numerous papers explore the TM ...
    • Performance evaluation and stability of silicide-based thermoelectric modules 

      de Padoue Shyikira, Antoine; Skomedal, Gunstein; Middleton, Peter Hugh (Journal article; Peer reviewed, 2020)
      Long-term studies on thermoelectric generators based on N-type magnesium silicide (Mg2.01Si0.49Sn0.5Sb0.01) and P-type higher manganese silicide (Mn0.98Mo0.02Si1.73Ge0.02) materials are presented, in the operating temperature ...
    • Data Driven Seal Wear Classifications using Acoustic Emissions and Artificial Neural Networks 

      Noori, Nadia; Shanbhag, Vignesh Vishnudas; Kandukuri, Surya Teja; Schlanbusch, Rune (Peer reviewed; Journal article, 2022)
      The work presented in this paper is built on a series of experiments aiming to develop a data-driven and automated method for seal diagnostics using Acoustic Emission (AE) features. Seals in machineries operate in harsh ...
    • Towards Efficient Use of Cement in Ultra High Performance Concrete 

      Lande, Ingrid; Thorstensen, Rein Terje (Journal article; Peer reviewed, 2021)
      This paper presents an investigation on substituting the cement content with an inert material, in a typical locally produced UHPC mix. A structured literature review was performed to enrichen the discussion and to benchmark ...
    • Robust two-degrees-of-freedom control of hydraulic drive with remote wireless operation 

      Checchin, Riccardo; Ruderman, Michael; Oboe, Roberto (Chapter; Peer reviewed, 2023)
      In this paper, we present a controller design targeting a remotely operated hydraulic drive system. We use a two-degrees-of-freedom PID position controller, which is designed so that to maximize the integral action under ...
    • Dynamics of inertial pair coupled via frictional interface 

      Ruderman, Michael; Zagvozdkin, Andrei; Rachinskii, Dmitrii (Peer reviewed; Journal article, 2022)
      Understanding the dynamics of two inertial bodies coupled via a friction interface is essential for a wide range of systems and motion control applications. Coupling terms within the dynamics of an inertial pair connected ...
    • Branch-Manoeuvring Capable Pipe Cleaning Robot for Aquaponic Systems 

      Knausgård, Kristian Muri; Gangenes Skar, Siv-Lene; Sanfilippo, Filippo; Buldenko, Albert; Lindheim, Henning; Lunde, Jakob; Sukarevicius, Eligijus; Robbersmyr, Kjell Gunnar (Communications in Computer and Information Science;1616, Chapter; Peer reviewed, 2022)
      Aquaponic systems are engineered ecosystems combining aquaculture and plant production. Nutrient rich water is continuously circulating through the system from aquaculture tanks. A biofilter with nitrifying bacteria breaks ...
    • Analytical Modeling of the Temperature Sensitivity of the Maximum Power Point of Solar Cells 

      Garcia, Alfredo Sanchez; Kristensen, Sissel Tind; Strandberg, Rune (Peer reviewed; Journal article, 2022)
      Abstract—This article presents new analytical expressions for the temperature coefficients of the voltage, current, and power of a solar cell at its maximum power point MPP). A new analytical expression of the temperature ...
    • Multiple scenario analysis of battery energy storage system investment : measuring economic and circular viability 

      Wrålsen, Benedikte; Faessler, Bernhard (Journal article; Peer reviewed, 2022)
      Circular business models for batteries have been revealed in earlier research to achieve economic viability while reducing total resource consumption of raw materials. The objective of this study is to measure the economic ...