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Dynamic Safety Constraints by Scenario Based Economic Model Predictive Control of Marine Electric Power Plants

Bø, Torstein Ingebrigtsen; Johansen, Tor Arne
Journal article, Peer reviewed
Accepted version
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Åpne
Bo2016TTE.pdf (412.0Kb)
Permanent lenke
http://hdl.handle.net/11250/2471173
Utgivelsesdato
2016
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  • Institutt for teknisk kybernetikk [2277]
  • Publikasjoner fra CRIStin - NTNU [21911]
Originalversjon
10.1109/TTE.2016.2628786
Sammendrag
This paper studies scenario-based model predictive control (MPC) for dynamic safety constraints. For marine electric power plant with direct current distribution and variable speed generator set, the speed of the generator sets should be as low as possible to increase the efficiency of the diesel engines. However, a safety margin toward under speed is necessary. In this paper, a dynamical safety constraint is achieved by including a fault scenario in the MPC formulation. This is done using a nominal trajectory of the predicted states for the fault-free operation, and adding fault trajectories starting from the samples of the nominal trajectory. The fault trajectories simulate the fault scenario and dynamically constrain the nominal trajectory. The controller is shown to be effective using closed-loop simulations of a marine electric power plant.
Utgiver
Institute of Electrical and Electronics Engineers (IEEE)
Tidsskrift
IEEE Transactions on Transportation Electrification

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