• A Deep Learning Approach To Dead-Reckoning Navigation For Autonomous Underwater Vehicles With Limited Sensor Payloads 

      Saksvik, Ivar; Alcocer, Alex; Hassani, Vahid (OCEANS;OCEANS 2021: San Diego – Porto, Conference object, 2022)
      This paper presents a deep learning approach to aid dead-reckoning (DR) navigation using a limited sensor suite. A Recurrent Neural Network (RNN) was developed to predict the relative horizontal velocities of an Autonomous ...
    • Design and Testing of a Composite Pressure Hull for Deep Autonomous Underwater Vehicles. 

      Elkolali, Moustafa; Alcocer, Alex (IEEE Access;Volume: 10, Peer reviewed; Journal article, 2022-08-16)
      This paper outlines the design and testing process of the hull of a deep small Autonomous Underwater Vehicle (AUV), rated at 2000m depth. Many existing AUV pressure housings use aluminum or other isotropic traditional ...
    • Design and Testing of a Miniature Variable Buoyancy System for Underwater Vehicles 

      Elkolali, Moustafa; Al-Tawil, Ahmed; Alcocer, Alex (IEEE Access;Volume 10, 2022, Peer reviewed; Journal article, 2022-04-18)
      Buoyancy-driven underwater vehicles are key tools for obtaining data from the ocean. Underwater gliders and profiling floats, equipped with sensors, provide crucial information on ocean processes and climate changes. The ...
    • Experiences and Trends in Control Education: A HiOA/USN Perspective 

      Komulainen, Tiina M.; Alcocer, Alex; Haugen, Finn (Chapter; Peer reviewed; Chapter, 2016)
      Global trends in higher education including e-learning, massive open online courses, and new teaching methods have positively affected control education. Control course content has evolved due to changes in industrial ...
    • Experiences and trends in control education: a HIOA/USN perspective 

      Komulainen, Tiina M.; Alcocer, Alex; Haugen, Finn (Chapter; Peer reviewed; Chapter, 2016)
      Global trends in higher education including e-learning, massive open online courses, and new teaching methods have positively affected control education. Control course content has evolved due to changes in industrial ...
    • Hydrodynamic parameter optimization for miniature underwater glider wings 

      Elkolali, Moustafa; Splawski, Wilfried; Carella, Alfredo; Alcocer, Alex (OCEANS;Global Oceans 2020: Singapore – U.S. Gulf Coast, Conference object, 2021)
      This paper describes the design and optimization of the shape of the wings of “OASYS” research project underwater glider, by maximizing the lift to drag ratio through using computational fluid dynamics. Different wing ...
    • A low-cost wave/solar powered unmanned surface vehicle 

      Elkolali, Moustafa; Al-Tawil, Ahmed; Much, Lennard; Schrader, Ryan; Masset, Olivier; Sayols, Marina; Jenkins, Andrew; Alonso, Sara; Carella, Alfredo; Alcocer, Alex (OCEANS;Global Oceans 2020: Singapore – U.S. Gulf Coast, Conference object, 2021)
      This paper presents a prototype of a low-cost Unmanned Surface Vehicle (USV) that is operated by wave and solar energy which can be used to minimize the cost of ocean data collection. The current prototype is a compact ...
    • Mobile robotic platforms for the acoustic tracking of deep-sea demersal fishery resources 

      Masmitja, Ivan; Navarro, J.; Gomariz, S.; Aguzzi, J.; Kleft, B.; O'Reilly, T.; Katija, K.; Bouvet, P.J.; Fannjiang, C.; Vigo, M.; Puig, P.; Alcocer, Alex; Vallicrosa, G.; Palomeras, N.; Carreras, M.; Del Rio, J.; Company, J.B. (Science Robotics;Vol. 5, Issue 48, Journal article; Peer reviewed, 2020-11-25)
      Knowing the displacement capacity and mobility patterns of industrially exploited (i.e., fished) marine resources is key to establishing effective conservation management strategies in human-impacted marine ecosystems. ...
    • Mooring design, dynamic analysis, and testing for an autonomous ocean sampling profiler 

      Crosbie, Louis Robert; Junge, Emma Josefine; Nikki, Jill; Lirio, Jeciel; Holden, Jakop Haugan (Bachelor thesis, 2023)
      This report concerns a mooring system for an ocean sampling profiler and includes a literature review of the fundamentals of mooring and its applications, a study of the design process along with dynamic simulations, a ...
    • Towards Automated 3D reconstruction in SME factories and Digital Twin Model generation 

      Stensrud, Mathias; Haakstad, Ole Henrik; Sakseid, Olav; Westby, Baard; Alcocer, Alex (2018 18th International Conference on Control, Automation and Systems (ICCAS);, Journal article; Peer reviewed, 2018-12-13)
      This paper presents preliminary results towards the development of digital twin models for Small to Medium Enterprise (SME) factories in a partially automated and cost-effective manner. In many cases it is desirable to ...
    • Unmanned Aerial System for deployment and recovery of research equipment at sea 

      Zolich, Artur Piotr; Johansen, Tor Arne; Elkolali, Moustafa; Al-Tawil, Ahmed; Alcocer, Alex (Aerial Robotic Systems Physically Interacting with the Environment (AIRPHARO);2021 Aerial Robotic Systems Physically Interacting with the Environment (AIRPHARO), Conference object, 2021-10-26)
      In this paper we present details of Miniature Underwater Gliders (MUG) deployment and recovery mechanism using a multirotor Unmanned Aerial Vehicle (UAV). The paper discusses details of MUG localization with computer vision, ...