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Nuclear fusion still has to pass several milestones on its way to successful energy production, one of them being successful plasma stabilization. The present article presents an innovative control implementation related to plasma control for the generation of electricity with magnetically confined plasma. The implementation has been carried out over a specific device of tokamak type, called Tokamak it Configuration Variable (TCV). This novel hybrid control design allows for real time implementation of an optimal model predictive control over a large scale complex system with small time constant. At each closed loop iteration, the full model is first controlled by a straightforward controller, then the output values are used for model reduction so that finally the discretized control system is optimized only for the variables of interest. In the case of the TCV, this novel hybrid model predictive control enhances the power availability on the actuators and extends the pulse duration. Thus, this control strategy will help to achieve fusion energy stated goal of "ignition", where nuclear fusion generates as much energy as it is needed to start the reaction.
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Himank Anand, Yanis Andrebe, Patrick Blanchard, Yann Camenen, Francesco Carpanese, Oulfa Chellaï, Stefano Coda, Joan Decker, Basil Duval, Ambrogio Fasoli, Federico Alberto Alfredo Felici, Ivo Furno, Cristian Galperti, Timothy Goodman, Jonathan Graves, Jean-Philippe Hogge, Jan Horacek, Zhouji Huang, Rémy Jacquier, Josef Kamleitner, Alexander Karpushov, Mengdi Kong, Benoît Labit, Hoang Bao Le, Xavier Llobet, Claudio Marini, Yves Martin, Roberto Maurizio, Antoine Pierre Emmanuel Alexis Merle, Jean-Marc Moret, Federico Nespoli, Alessandro Pau, Laurie Porte, Holger Reimerdes, Paolo Ricci, Fabio Riva, Olivier Sauter, Christian Schlatter, Francesco Sciortino, Umar Sheikh, Joyeeta Sinha, Anna Teplukhina, Duccio Testa, Christian Gabriel Theiler, Minh Quang Tran, Cedric Kar-Wai Tsui, Kevin Henricus Annemarie Verhaegh, Nicola Vianello, Wouter Vijvers, Henri Weisen, Marco Wischmeier