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Distributed Model Predictive Control of Interconnected Nonlinear Systems by Dynamic Dual Decomposition

Grancharova, Alexandra; Johansen, Tor Arne
Chapter
Accepted version
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Grancharova_Johansen_DMPC_6.pdf (Locked)
URI
http://hdl.handle.net/11250/2490564
Date
2014
Metadata
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  • Institutt for teknisk kybernetikk [2191]
  • Publikasjoner fra CRIStin - NTNU [19909]
Original version
10.1007/978-94-007-7006-5_18
Abstract
A suboptimal approach to distributed Nonlinear Model Predictive Control (NMPC) for systems consisting of nonlinear subsystems with nonlinearly coupled dynamics subject to both state and input constraints is proposed. The approach applies a dynamic dual decomposition method to reformulate the original centralized NMPC problem into a distributed quasi-NMPC problem by linearization of the nonlinear system dynamics and taking into account the couplings between the subsystems. The developed approach is based entirely on distributed on-line optimization (by gradient iterations) and can be applied to large-scale nonlinear systems. The theoretical results related to the application of the distributed MPC approach to both linear and nonlinear systems are outlined and some simulation results are provided.
Publisher
Springer

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