Publication

Predictive Control for Longitudinal Beam Dynamics in Heavy Ion Synchrotrons

Timm Faulwasser
2014
Conference Papers

Résumé

We present a design of a predictive control scheme for longitudinal beam dynamics in heavy ion synchrotrons. Specifically, we consider a linear-quadratic model predictive control (MPC) approach, whereby the quadratic program is solved via a fast gradient method. Furthermore, we investigate whether the fast gradient method allows for real-time feasible implementation of the proposed approach on a field programmable gate array (FPGA). Our results indicate that sampling rates in the order of 1MHz are achievable.

Source officielle

https://infoscience.epfl.ch/entities/publication/a42a9f16-83c0-4e0a-a0c5-072699ca1264

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Timm Faulwasser
2014
Conference Papers

Résumé

Source officielle

https://infoscience.epfl.ch/entities/publication/a42a9f16-83c0-4e0a-a0c5-072699ca1264

À propos de ce résultat

Concepts associés (17)

Commande prédictive

La commande prédictive (ou compensation ou correction anticipatrice) est une technique de commande avancée de l’automatique. Elle a pour objectif de commander des systèmes industriels complexes. Le principe de cette technique est d'utiliser un modèle dynamique du processus à l'intérieur du contrôleur en temps réel afin d'anticiper le futur comportement du procédé. La commande prédictive fait partie des techniques de contrôle à modèle interne (IMC: Internal Model Controler).

Stochastic control

Stochastic control or stochastic optimal control is a sub field of control theory that deals with the existence of uncertainty either in observations or in the noise that drives the evolution of the system. The system designer assumes, in a Bayesian probability-driven fashion, that random noise with known probability distribution affects the evolution and observation of the state variables. Stochastic control aims to design the time path of the controlled variables that performs the desired control task with minimum cost, somehow defined, despite the presence of this noise.

Field-programmable gate array

A field-programmable gate array (FPGA) is an integrated circuit designed to be configured after manufacturing. The FPGA configuration is generally specified using a hardware description language (HDL), similar to that used for an application-specific integrated circuit (ASIC). Circuit diagrams were previously used to specify the configuration, but this is increasingly rare due to the advent of electronic design automation tools. FPGAs contain an array of programmable logic blocks, and a hierarchy of reconfigurable interconnects allowing blocks to be wired together.

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