CUED Publications database

Multi-fidelity simulation modelling in optimization of a hybrid submarine propulsion system

Molina-Cristóbal, A and Palmer, PR and Parks, GT (2011) Multi-fidelity simulation modelling in optimization of a hybrid submarine propulsion system. In: UNSPECIFIED.

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Abstract

Multi-objective Genetic Algorithms have become a popular choice to aid in optimising the size of the whole hybrid power train. Within these optimisation processes, other optimisation techniques for the control strategy are implemented. This optimisation within an optimisation requires many simulations to be run, so reducing the computational cost is highly desired. This paper presents an optimisation framework consisting of a series hybrid optimisation algorithm, in which a global search optimizes a submarine propulsion system using low-fidelity models and, in order to refine the results, a local search is used with high-fidelity models. The effectiveness of the Hybrid optimisation algorithm is demonstrated with the optimisation of a submarine propulsion system. © 2011 EPE Association - European Power Electr.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Uncontrolled Keywords: Electrical drive Electrical machine Energy system management Hybrid power int egration Simulation
Subjects: UNSPECIFIED
Divisions: Div A > Energy
Div B > Electronics, Power & Energy Conversion
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 12:18
Last Modified: 27 Nov 2014 19:19
DOI: