Conceptual design of 30 kW-NBI injector using a multi-cusp ion source for heating of D-shaped Damavand tokamak plasma

Vakili, Aref Eshkevar; Rasouli, C.; Ghasemi, Farshad; Davani, F. Abbasi

doi:10.1016/j.fusengdes.2019.04.003

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Dynamic Modeling Of Plasma Current and Position Using Rzip1

Introduction1

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2024

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Cited by 2 publications

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“…The elements of the matrices M, N and Q are shown in equation (2), where M ps is the mutual inductance between plasma and active coils, L p is the plasma self-inductance, s is the plasma cross-sectional area, µ 0 is the vacuum permeability, l is the plasma perimeter and β p is the plasma poloidal beta.…”

Section: Dynamic Modeling Of Plasma Current and Position Using Rzipmentioning

confidence: 99%

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Modeling and robust decentralized control system design for plasma current and position in Damavand tokamak

Fatahi¹,

Moaveni²,

Zandi³

et al. 2022

Plasma Phys. Control. Fusion

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This paper presents a linear dynamic model for the current and position of plasma in Damavand Tokamak (DT) based on the RZIP methodology. Experimental data shots of DT are employed to validate the model and to show its accuracy. Since there are uncertainties in the model parameters, a robust decentralized control system is designed by considering the interaction between the input-output channels. Robust proportional (P) and proportional-integral (PI) controllers are designed to obtain robust closed-loop stability and performance based on the Kharitonov theorem. The simulation results of the closed-loop system in two scenarios are presented to show the effectiveness of the introduced control system.

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Section: Dynamic Modeling Of Plasma Current and Position Using Rzipmentioning

confidence: 99%

“…The main parameters of DT are presented in table 1 [2]. In tokamaks, the major radius of the plasma tends to increase because of internal plasma pressure, so the radial position of the plasma should be controlled.…”

Section: Introductionmentioning

confidence: 99%