Robust Hinf switching MIMO control for a plasma time-varying parameter model with a variable structure in a tokamak

Mitrishkin, Y.V.; Korenev, P.S.; Prohorov, A.A.; Patrov, M.I.

Авторы: Mitrishkin Y.V., Korenev P.S., Prohorov A.A., Patrov M.I.
Сборник: IFAC Proceedings Volumes (IFAC-PapersOnline)
Том: 50
Год издания: 2017
Первая страница: 11385
Последняя страница: 11390
DOI: 10.1016/j.ifacol.2017.08.1795
Аннотация: The paper deals with design and simulation of hierarchical multi-loops feedback magnetic plasma control system on the base of experimental data for the operating Globus-M spherical tokamak in line with the special methodology developed. The components of the system are designed to achieve high-performance operation during short pulses of plasma discharges about 200 ms. The plasma equilibrium reconstruction algorithm with regularization in terms of moving filaments without iterations was developed. The LPV plant model was derived from reconstructed plasma equilibriums as a distributed parameter system with time-varying parameters. A switching plasma shape multivariable controller was designed by the robust loop-shaping approach for magnetic field at X-point and poloidal fluxes on plasma separatrix (isoflux control). The novelty of the plasma shape control system is the application of robust switching control with a controller state vector matching. The feedback control was applied to the whole discharge with the transition from a limiter phase to a diverter phase when the plasma changed its magnetic topology as a controlled structure.
Добавил в систему: Митришкин Юрий Владимирович

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Robust Hinf switching MIMO control for a plasma time-varying parameter model with a variable structure in a tokamakстатья

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