Search Results - "Xiros, Nikolaos I."
-
1
Dynamics and Control of a Magnetic Transducer Array Using Multi-Physics Models and Artificial Neural Networks
Published in Sensors (Basel, Switzerland) (13-10-2021)“…A linear mechanical oscillator is non-linearly coupled with an electromagnet and its driving circuit through a magnetic field. The resulting non-linear…”
Get full text
Journal Article -
2
Stabilization of Neural Network Models for VIV Force Data Using Decoupled, Linear Feedback
Published in Journal of marine science and engineering (01-02-2022)“…The hydrodynamic forces on an oscillating circular cylinder are predicted using neural networks under flow conditions where Vortex-Induced Vibrations (VIV) are…”
Get full text
Journal Article -
3
Development of Discrete-Time Waterjet Control Systems Used in Surface Vehicle Thrust Vectoring
Published in Journal of marine science and engineering (01-12-2022)“…To create an autonomous surface vehicle, the microcontroller that will be responsible for the vessel’ s response will have access to both engine thrust…”
Get full text
Journal Article -
4
Development of Mathematical Model for Coupled Dynamics of Small-Scale Ocean Current Turbine and Generator to Optimize Hydrokinetic Energy Harvesting Applications
Published in Applied sciences (01-08-2024)“…The primary goal of this study is to develop and test a small-scale horizontal-axis underwater Ocean Current Turbine (OCT) by creating a mathematical model for…”
Get full text
Journal Article -
5
Design and Control of a DC Boost Converter for Fuel-Cell-Powered Marine Vehicles
Published in Journal of marine science and application (01-06-2020)“…Economic factors along with legislation and policies to counter harmful pollution apply specifically to maritime drive research for improved power generation…”
Get full text
Journal Article -
6
Modeling and Simulation of Planing-Hull Watercraft Outfitted with an Electric Motor Drive and a Surface-Piercing Propeller
Published in Journal of marine science and engineering (01-02-2019)“…A simulation model for a prismatic hard-chine planing hull watercraft (V-shaped keel with constant deadrise) with propulsion based on a 3-phase induction motor…”
Get full text
Journal Article -
7
Design and Comparison of H∞/H2 Controllers for Frigate Rudder Roll Stabilization
Published in Journal of marine science and application (2019)“…Roll motion of ships can be distinguished in two parts: an unavoidable part due to their natural movement while turning and an unwanted and avoidable part that…”
Get full text
Journal Article -
8
Constrained Control of Moored Ocean Current Turbines With Cyclic Blade Pitch Variations
Published in IEEE journal of oceanic engineering (01-04-2021)“…In this article, a new method to control an ocean current turbine (OCT) is examined. The key innovation, inspired by helicopter control, is to use cyclic blade…”
Get full text
Journal Article -
9
Distributed control of autonomous watercraft dynamics using physicomimetics and robust synthesis for disturbance rejection
Published in Franklin Open (01-06-2024)“…This study investigates the guidance and control of an autonomous swarm of surface watercraft with focusing on distributed control laws in scenarios with and…”
Get full text
Journal Article -
10
Numerical simulation and dynamical response of a moored hydrokinetic turbine operating in the wake of an upstream turbine for control design
Published in Renewable energy (01-12-2017)“…Numerical simulation of a downstream hydrokinetic turbine operating in the wake of an upstream turbine for feedback control design is presented. Wake effects…”
Get full text
Journal Article -
11
An assessment of using variable blade pitch for moored ocean current turbine flight control
Published in International journal of marine energy (01-04-2016)Get full text
Journal Article -
12
An integrated methodology for the optimal thermal design of an ocean turbine pressure vessel: A soft-computing approach
Published in Journal of marine engineering and technology (01-04-2013)“…This paper presents a generally applicable approach to numerical thermal design. A novel thermal design procedure for the prediction of heat transfer inside a…”
Get full text
Journal Article -
13
ν-gap metric based multi-model predictive control of an ocean current turbine system with blade pitch failures
Published in Ocean engineering (15-06-2023)“…In this article, a method of combining multiple linear models is developed and used by an advanced model predictive control algorithm for ocean current turbine…”
Get full text
Journal Article -
14
Numerical modeling of turbulence and its effect on ocean current turbines
Published in International journal of marine energy (01-04-2017)Get full text
Journal Article -
15
Variance Constrained cyclic blade control of moored ocean current turbines
Published in 2016 American Control Conference (ACC) (01-07-2016)“…A nonlinear model of a moored ocean current turbine (OCT) is described and linearized around a nominal operating condition. Cyclic blade pitch control is…”
Get full text
Conference Proceeding Journal Article -
16
Constrained Control of Moored Ocean Current Turbines With Cyclic Blade Pitch Variations
Published in IEEE journal of oceanic engineering (10-06-2020)“…In this article, a new method to control an ocean current turbine (OCT) is examined. The key innovation, inspired by helicopter control, is to use cyclic blade…”
Get full text
Journal Article -
17
An ocean current turbine system with induction generator and power electronic control
Published in OCEANS 2015 - Genova (01-05-2015)“…In-stream hydrokinetic electricity production, electricity generation from moving currents without the use of dams, has significant potential for increasing…”
Get full text
Conference Proceeding -
18
Data analysis of simulated hydrofoil oscillations in a steady flow field using intelligent higher-order statistical processing
Published in OCEANS 2015 - Genova (01-05-2015)“…Data analysis of an oscillating flapping wing is conducted for developing a transfer function model especially for heave force data series from the CFD…”
Get full text
Conference Proceeding -
19
From neural state-space description of marine powerplants to reduced-order Volterra models
Published in 2005 American Control Conference; Portland, OR; USA; 8-10 June 2005 (2005)“…The problem of reduced nonlinear input-output models for marine propulsion powerplants is visited by starting from the neural state-space description of the…”
Get full text
Conference Proceeding -
20
Model predictive control for moored ocean current turbines
Published in 2017 American Control Conference (ACC) (01-05-2017)“…We investigate the feasibility of model predictive control (MPC) in ocean current turbine (OCT) control. A prediction model is obtained from a nonlinear model…”
Get full text
Conference Proceeding