System Identification of Full-scale Propulsion Systems
K.L. Hageman (TU Delft - Mechanical Engineering)
Arthur Vrijdag – Mentor (TU Delft - Ship Design, Production and Operations)
K Visser – Graduation committee member (TU Delft - Ship Design, Production and Operations)
Cornel Thill – Graduation committee member (TU Delft - Ship Hydromechanics and Structures)
D. Boskos – Graduation committee member (TU Delft - Team Jan-Willem van Wingerden)
K. van der El – Mentor
E. J. Boonen – Mentor
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Abstract
With the use of simulation models, predicting and optimising the correct dynamic behaviour and parameters of a propulsion system of a ship can be performed cheap and safe. However, capturing the right dynamic behaviour is very difficult. Besides, building simulation models and determining the correct parameters is a time consuming process. With system identification, in- and output data of a controlled test are used to identify the parameters of the created grey box model structure, which reflects the underlying physical laws. A so called "fingerprint" is generated that imitates the behaviour of the system. The first attempt of system identification of a full-scale propulsion system showed promising results but asked for further research. This thesis further investigates if system identification is a suitable method to obtain the dynamic model- behaviour and parameters of a full-scale propulsion system in a short time, with the use of controlled tests.