A Novel Direct Drive Linear Ocean Energy Converter Based on Nonlinear Oscillator System
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Science and Engineering
School of Civil and Mechanical Engineering
This PhD research presents novel analytical, numerical and experimental modelling of single-degree-of-freedom, two-degree-of-freedom and three-degree-of-freedom magnetic spring-based non-linear oscillator systems to harness energy from ocean waves. The proposed energy harvesters overcome the bandwidth problem in the previous linear generator studies which cannot work satisfactorily in the low-frequency range. The outcomes of this research work provide the mathematical foundation for the modelling and upcoming advancement of multi-degree-of-freedom magnetic spring (nonlinear oscillator) based energy generators.
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