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Control system design for hybrid vessel power systems

Grant number: 18/18511-5
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): October 01, 2018
Effective date (End): September 30, 2019
Field of knowledge:Engineering - Mechanical Engineering - Transport Phenomena
Cooperation agreement: BG E&P Brasil (Shell Group)
Principal researcher:Emílio Carlos Nelli Silva
Grantee:Paulo Eduardo Silvestre Martins
Home Institution: Escola Politécnica (EP). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated research grant:14/50279-4 - Brasil Research Centre for Gas Innovation, AP.PCPE


The use of energy and its various alternatives obtained significant relevance during the past years and nowadays. Because of that, the rational use of this resource attached to the types of power systems used in each vehicle of the actual civilization are subjects of great interest to institutions and governments around the world. Having this in mind, the present project analyses the power system used in ships and how it provides the energy required during different operational conditions to which the vessel is subjected. The main objective of the project is to create dynamic models of hybrid and non-hybrid power systems used in the vessels and develop a control system to manage the use of energy during the different operational conditions. Finally, if those initial objectives are achieved and satisfactory results are obtained, the model developed can be integrated with the simulator of the Numerical Offshore Tank (TPN). The control models will be developed using the MATLAB software and the theory of model predictive control and optimal control will be employed to minimize the fuel consumption and emissions of the vessel. There is already a preliminary dynamic model of the power system developed using also the MATLAB software. The model is composed by various single models of each component of the power system such as the combustion engine, the battery, the electric engine, the velocity controller and the propeller. During the project, some of those may be altered aiming to reduce the simplifications and obtain a more realistic model of the vessel dynamics.

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