PhD courses

2017

Numerical and experimental modelling and control of Wave Energy Converters

Date:

4-8 September 2017

Location:

University College Cork, Ireland - MaREI Centre for Marine and Renewable Energy, www.marei.ie


About: 

The main objective of this course is to train each participant to the numerical and experimental modelling and control of Wave Energy Converters (WECs).
The following topics will be taught:

  • The State of the Art of wave energy conversion techniques
  • The State of the Art of numerical modelling of WECs, the limitations and the alternative numerical approaches
  • The State of the Art of experimental model-ling of WECs, the limitations
  • The State of the Art of control of WECs

By the end of the course, the participants will have carried out the following tasks:

  • Wave measurement and generation in wave tank
  • Numerical investigation of the performance of a WEC
  • Experimental investigation of the perfor-mance of a WEC with and without control

The course is arranged jointly by Doctoral School of Engineering and Science at Aalborg University, Ecole Centrale de Nantes and University College Cork. The course will be held in the week after the EWTEC 2017 conference in Cork, Aug./Sept. 2017.

See PhD course folder.


Programme: 

See tentative programme.


Prerequisites:

To ensure full benefit of the course participants should at least have:

  • Degree in Engineering
  • Basic knowledge of Matlab or any other programming language


Participation:

The course is arranged through the Doctoral School of Engineering and Science at Aalborg University.

  • For Ph.D. students registered at any university, participation in the course is subject to a €400 fee, which is charged to cover expenses for lunches, coffee, experimental setup, etc.
  • Non-Ph.D. students are also welcomed, but at a full registration fee of €1100.

The fees will be charged after the registration deadline is passed and registrants have got the confirmation of participation.

The course is of relevance to PhD students and others with interests in development of wave energy converters. 


Course organisers and lecturers:

Assoc. Prof.
Jens Peter Kofoed

Wave Energy Research Group Department of Civil Engineering Aalborg University, Denmark
Research Fellow
Aurelien Babarit

Marine Energies and Ocean Group Ecole Centrale de Nantes, France
Assoc. Prof.
Morten Kramer

Wave Energy Research Group Department of Civil Engineering Aalborg University, Denmark
Post Doc.
Francesco Ferri

Wave Energy Research Group Department of Civil Engineering Aalborg University, Denmark
Funded Investigator
Jimmy Murphy

Centre for Marine and Renewable Energy University College Cork, Ireland

Post Doc
Francesc Fàbregas Flavià

Marine Energies and Ocean Group Ecole Centrale de Nantes, France


REGISTRATION:

To sign up for the course, you must register as a user at PhD Moodle. You can find the course here: www.phd.moodle.aau.dk > The Doctoral School of Engineering and Science > Civil Engineering > Numerical and experimental modelling and control of WECs

LINK:

https://phd.moodle.aau.dk/course/category.php?id=116


FURTHER INFORMATION:

Jens Peter Kofoed (jpk@civil.aau.dk)


COURSE PR PARTNER:

2016

Modelling and Control of Wave Energy Converters

Date:

Thursday 26th May to Wednesday 1st June 2016 

Location:

Aalborg University, Aalborg, Denmark

ABOUT

The work on development of wave energy converters (WECs) typically involves intensive laboratory model testing in wave tanks and/or flumes at the earlier stages, and intensive testing and monitoring of prototypes in real seas at later stages. When working with optimization of the power performance of a wave energy converter, the control hereof, via the power take-off system is of paramount importance.

In May 2016 the Wave Energy Research Group at Aalborg University (AAU), Department of Civil Engineering, will offer a Ph.D. course running over 6 days in Aalborg.

The course covers:

  • General introduction, experimental modelling and testing
  • Theoretical approach to advanced WEC control
  • Implementation of advanced WEC control in experimental models

General introduction, experimental modelling and testing:

The objective of the first module of the course is to introduce and apply wave analysis theory, laboratory measuring techniques, prototype monitoring and control. The module will include class room lectures, laboratory exercises in the wave tanks/flumes and a visit to a wave energy test installation in real sea.

This module will include the following subjects:

  • Wave analysis
  • Measuring techniques for waves, loadings and power take-off
  • Analysis of laboratory and real sea data for performance evaluation

Lecturers:

  • Jens Peter Kofoed
  • Morten Kramer

Theoretical approach to advanced WEC control:

The objective of the second module of the course is to go through the basics of control of WECs (based on wave activated bodies) and work its way through to stochastic optimal control of ditto. The module will mainly consist of class room lectures.

This module will include the following subjects:

  • Optimal control of wave energy devices
  • Basic mechanics of wave energy devices with power output control.
  • Optimal control for linear and nonlinear systems. Linear quadratic control.
  • Control using noise free observers.
  • Stochastic optimal control of wave energy devices.

Lecturers

  • Francesco Ferri
  • Søren RK Nielsen

Implementation of advanced WEC control in experimental models:

The objective of the third module of the course is to implement and test advanced control algorithms in the wave laboratory. The module will include class room lectures and laboratory exercises in the wave tanks/flumes

This module will include the following subjects:

  • Resistive and reactive control in regular and irregular waves, with and without constraints on PTO forces and PTO efficiency
  • Comparison between numerical models and laboratory measurements for the applied control strategies
  • Possibility for testing any advanced control strategy developed by the student (adaptive control, wave excitation force prediction, MPC...)

Lecturers:

  • Morten Kramer
  • Francesco Ferri

Registration deadline:

10 April 2016

Registration:

phdcourse.aau.dk > Civil Engineering

Course fees:

500 EUR for Ph.D. students registered at any university, and for partners in UPWAVE and ICONN. 1500 EUR for any other participant.

Responsible for course:

Jens Peter Kofoed & Morten Kramer (AAU)

Place:

Department of Civil Engineering, Aalborg University, Denmark

ECTS:

5

Prerequisites:

Some knowledge of fluid mechanics and wave kinematics, dynamic structures/mechanical systems, potential flow (linear wave) theory, Fourier transform and stochastic processes, as well as good skills in mathematical analysis.


 

The course is arranged through the Doctoral School of Engineering and Science at Aalborg University, in cooperation with the EU H2020 projects UPWAVE and ICONN. For Ph.D. students registered at any university, and for partners in UPWAVE and ICONN, participation in the course itself is free. However, a fee will be charged to cover expenses for lunches, coffee, transportation, etc. For other participants, an additional registration fee will be charged. The fees will be charged after the registration deadline is passed and registrants have got the confirmation of participation.

The course is of relevance to PhD students and others with interests in development of wave energy devices.

2013

Modeling and Control of Wave Energy Converters

The work on development of wave energy converters (WECs) typically involves intensive laboratory model testing in wave tanks and/or flumes at the earlier stages, and intensive testing and monitoring of prototypes in real seas at later stages. During the various development steps numerical modeling offers possibilities of investigation of larger parameter ranges than allowable in experimental modeling, and is therefore an essential tool for optimization. When working with optimization of the power performance of a wave energy device, the control hereof, via the power take-off system is of paramount importance.

In Aug. 2013 (19-30.08.2013) the Wave Energy Research Group at Aalborg University (AAU), Department of Civil Engineering, in cooperation with the Marine Energies and Ocean Group at Ecole Centrale de Nantes (ECN), will offer a Ph.D. course running over two consecutive weeks, leading up to the EWTEC 2013 conference (02-05.09.2013) to be held in Aalborg.

The course is split into 3 modules:

  • General introduction, experimental modeling and testing
  • Numerical modeling
  • Advanced control

Preliminary programme and practical information.



MODULE 1

General introduction, experimental modeling and testing:

The objective of the first module of the course is to introduce and apply wave analysis theory, laboratory measuring techniques, prototype monitoring and control. The module will include class room lectures, laboratory exercises in the wave tanks/flumes and a visit to a wave energy test installation in real sea.

This module will include the following subjects:

  • Wave analysis
  • Measuring techniques for waves, loadings and power take-off
  • Analysis of laboratory and real sea data for performance evaluation


MODULE 2

Numerical modeling:

The objective of the second module of the course is to introduce and getting experience with running numerical models of WECs including modeling of PTO and its control. The module will include class room lectures and exercises.

This module will include the following subjects:

  • The state of the art of numerical modeling for WECs
  • Limitations of these techniques and the existence of other numerical approaches for hydrodynamic modeling
  • Development of a numerical wave to wire model


MODULE 3

Advanced control:

The objective of the third module of the course is to go through the basics of control of WECs (based on wave activated bodies) and work its way through to stochastic optimal control of ditto. . The module will include class room lectures, laboratory exercises in the wave tanks/flumes

This module will include the following subjects:

  • Optimal control of wave energy devices
  • Basic mechanics of wave energy devices with power output control.
  • Optimal control for linear and nonlinear systems. Linear quadratic control.
  • Control using noise free observers.
  • Stochastic optimal control of wave energy devices.

The course is arranged through the Doctoral School of Engineering and Science at Aalborg University. For Ph.D. students registered at any university, participation in the course itself is free. However, a fee will be charged to cover expenses for lunches, coffee, transportation, etc. For non-Ph.D. students, an additional registration fee will also be charged. The fees will be charged after the registration deadline is passed and registrants have got the confirmation of participation.

The course is of relevance to PhD students and others with interests in development of wave energy devices.
Prerequisites: Some knowledge of fluid mechanics and wave kinematics, dynamic structures/mechanical systems, potential flow (linear wave) theory, Fourier transform and stochastic processes, as well as good skills in mathematical analysis. 

2012

Course 1

Generation and Analysis of Waves in Physical Models

24-28 SEPTEMBER

The objective of the course is to train students in advanced methods and techniques in generation and analysis of waves in physical models in order to know their advantages and limitations.

The course will cover analysis of long and short-crested waves, generation of linear and non-linear regular waves, generation of long and short crested irregular waves, active absorption in flumes and basins, wave groups, bounded long waves and wave generator choice and design.

Prerequisites: Basic fluid and wave mechanics

Registration deadline: August 15, 2012  



Course 2

Experimental Testing for Wave Energy Utilization

19-23 November

The work on development of devices for utilization of wave energy typically involves intensive laboratory model testing in wave tanks and/or flumes at the earlier stages, and intensive testing and monitoring of device prototypes in real seas at later stages. At prototype scale the testing typical also includes testing and developing the control algorithms for the device.

The objective of this course is to introduce and apply wave analysis theory, laboratory measuring techniques, prototype monitoring and control. The course will include class room lectures, laboratory exercises in the wave tanks/flumes and analysis of prototype data from real sea testing.

The course will include the following subjects:

  • Time and frequency domain wave analysis
  • Reflection wave analysis
  • 3-D wave analysis
  • Laboratory and prototype measuring techniques for waves, loadings and power take-off
  • Analysis of real sea data
  • Probabilistic design of wave energy devices
  • Numerical modelling of waves and wave energy devices

Registration deadline: September 21, 2012 



Course 3

Advanced Control Theory for Wave Energy Utilization

26-30 NOVEMBER

When working with optimization of the power performance of a wave energy device, the control hereof, via the power take-off system is of paramount importance. This course will focus on this issue, and go through the basics of control of wave energy devices (based on wave activated bodies) and work its way through to stochastic optimal control of ditto.

The topics will include:

  • Optimal control of wave energy devices
  • Basic mechanics of wave energy devices with power output control.
  • Optimal control for linear and nonlinear systems.
  • Linear quadratic control.
  • Control using noise free observers.
  • Stochastic optimal control of wave energy devices.

Registration deadline: September 21, 2012  



Course 4

Reliability and Risk Analysis of Wind Turbines and Wave Energy Devices

3-5 DECEMBER

Reliability is a very important issue for both wind turbines and wind energy devices. Reliability is important both for estimating failure rates and probabilities for different components and members in structures, and for planning optimal operation and maintenance.

In traditional deterministic code-based design the structural costs are influenced by the value of the safety factors. These reflect the uncertainty related to the design parameters. Improved design with a consistent reliability level for all components can be obtained by use of probabilistic reliability-based design methods, where explicit account of uncertainties related to loads, material
strength, and calculation methods is made.

The course will include the following topics:

  • Introduction to risk and reliability analysis
  • Stochastic modelling of uncertainties and failure rates, incl. Bayesian techniques
  • Reliability analysis of electrical and mechanical components
  • Reliability analysis of structural members by FORM/SORM and simulation methods
  • Reliability assessment using theoretical models incombination with information from tests
  • Methods for reliability analysis of wind turbines
  • Methods for reliability analysis of wave energy devices

Prerequisites: Basic knowledge on probability theory and statistics.

Registration deadline: November 9, 2012  

See folder for all 2012 PhD courses

2011

May 3-6 - Introduction to Wave Energy Utilization

Over recent years there has been increased attention on the development of devices for utilization of wave energy. This course will give introductions to all the main subjects of relevance within the field, with focus on the technical aspects.

The course will include the following subjects:

Overview of international situation, policies and perspectives

  • Wave energy resource
  • Wave energy concepts
  • Project management and finance
  • Socio-economics and market
  • Policy making Environmental issues
  • Spatial planning
  • Site visits at Nissum Bredning and/or Hanstholm test sites

The course will be given as a combination of traditional lectures and workshops.

Prerequisites: Interest in the field, technical/engineering background.

Date: May 3 - 6, 2011

Max. no. of participants: 25

ECTS: 2 

May 9-13 Experimental Testing for Wave Energy Utilization,

The work on development of devices for utilization of wave energy typically involves intensive laboratory model testing in wave tanks and/or flumes at the earlier stages, and intensive testing and monitoring of device prototypes in real seas at later stages. At prototype scale the testing typical also includes testing and developing the control algorithms for the device.

The objective of this course is to introduce and apply wave analysis theory, laboratory measuring techniques, prototype monitoring and control. The course will include class room lectures, laboratory exercises in the wave tanks/flumes and analysis of prototype data from real sea testing.

The course will include the following subjects: 

  • Time and frequency domain wave analysis
  • Reflection wave analysis
  • 3-D wave analysis
  • Laboratory and prototype measuring techniques for waves, loadings and power take-off
  • Analysis of real sea data
  • Probabilistic design of wave energy devices
  • Numerical modeling of waves and wave energy devices

The course is of relevance to PhD students and others with interests in development of wave energy devices, especially with focus on physical testing. An important element of the course will be hands-on exercises in wave laboratories and analysis of data from these.

Prerequisites: Knowledge of varies wave energy technologies, fluid mechanics and wave kinematics.

Date: May 9 - 13, 2011

Max. no. of participants: 12

ECTS: 3 

May 16-20 - Advanced Control Theory for Wave Energy Utilization

When working with optimization of the power performance of a wave energy device, the control hereof, via the power take-off system is of paramount importance. This course will focus on this issue, and go through the basics of control of wave energy devices (based on wave activated bodies) and work its way through to stochastic optimal control of ditto.

The topics will include:

  • Optimal control of wave energy devices.
  • Basic mechanics of wave energy devices with power output control.
  • Optimal control for linear and nonlinear systems.
  • Linear quadratic control.
  • Control using noise free observers.
  • Stochastic optimal control of wave energy devices.
  • Grid requirements and control of grid converters.

Prerequisites: Some general knowledge of dynamic structures/mechanical systems, potential flow (linear wave) theory, Fourier transform and stochastic processes, as well as good skills in mathematical analysis.

Date: May 16 - 20, 2011

Max. no. of participants: 12

ECTS: 3