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Tokamak plasma shape and current H ∞ controller design in multivariable cascade systemстатья
Дата последнего поиска статьи во внешних источниках: 7 сентября 2017 г.
- Авторы: Mitrishkin Yu V., Kadurin A.V., Korostelev A.Y.
- Журнал: IFAC Proceedings Volumes
- Том: 18
- Номер: Part 1
- Год издания: 2011
- Издательство: Elsevier Ltd
- Местоположение издательства: London
- Первая страница: 3722
- Последняя страница: 3727
- Аннотация: The paper is devoted to design and simulation of multivariable cascade system with embedded H∞ controller into external cascade for plasma shape and current control in tokamak. For embedded controller design mixed sensitivity problem was solved by means of finding proper weighting functions. The internal cascade is designed to decouple control currents in the whole set of tokamak poloidal field magnetic coils. The basis of controller design was a set of linear models obtained from nonlinear plasma-physics DINA code. Robust stability margins of closed loop control system was estimated by means of singular values techniques in frequency domain. The cascade system designed was simulated on DINA code on diverter phase of plasma current rump-up stage for two discharge scenarios: ITER scenario 2 and another one with a new set of control currents given by the control system from initial scenario. The results of comparison with the decoupling external cascade system are presented.
- Добавил в систему: Митришкин Юрий Владимирович