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With this self-contained and comprehensive text, students and researchers will gain a detailed understanding of the fundamental aspects of the hydrodynamic control of wave energy converters. Such control is necessary to maximise energy capture for a given device configuration and plays a major role in efforts to make wave energy economic. Covering a wide range of disciplines, the reader is taken from the mathematical and technical fundamentals, through the main pillars of wave energy hydrodynamic control, right through to state-of-the-art algorithms for hydrodynamic control. The various operating principles of wave energy converters are exposed and the unique aspects of the hydrodynamic control problem highlighted, with a variety of potential solutions discussed. Supporting material on wave forecasting and the interaction of the hydrodynamic control problem with other aspects of wave energy device optimisation, such as device geometry optimisation and optimal device array layout, is also provided.

A self-contained text enabling readers to grasp the fundamentals of wave energy devices, waves and control theory
Exposes the theoretical fundamentals of hydrodynamic control of wave energy devices, as well as developing the material up to the state of the art, including the use of deterministic wave prediction
Shows the interaction of wider aspects of wave energy technology design, including device geometry and device array layout optimisation, with the solution to the hydrodynamic control problem



Table of Contents

Part I. Introduction:
1. Wave energy conversion
Part II. The Basics:
2. Introduction to control engineering
3. Bodies oscillating in air
4. Bodies oscillating in water
Part III. The Hydrodynamics:
5. Nature of the wave input
6. A closer look at wave energy hydrodynamics
Part IV. Velocity Control Using a Hydrodynamic Model:
7. Reactive control in time domain
8. A causal real-time controller for WECs
Part V. Control by Optimizing a Performance Index:
9. Non-reactive switching control
10. Optimal numerical control of wave energy converters
11. Control strategies for WEC arrays
12. Wave forecasting for control
Part VI. Towards Overall WEC System Hydrodynamic Optimisation:
13. Position and force constraint analysis and optimisation
14. Interaction between control and optimum system design
Part VII. In Closing:
15. Conclusion
Bibliography
Index.