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An Atmospheric Pressure Plasma Setup to Investigate the Reactive Species Formation
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Controlling a new plasma regime.

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  • 1United United Kingdom Atomic Energy Authority, Culham Campus , Abingdon, Oxon OX14 3DB, UK.

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Summary
This summary is machine-generated.

Designing a robust plasma control system is crucial for the UK's Spherical Tokamak for Energy Production (STEP) program. This system must manage plasma from initiation to safe termination, handling unique operational challenges for fusion energy generation.

Keywords:
MIMO controlnuclear fusionplasma controltokamak

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Area of Science:

  • Nuclear Fusion Engineering
  • Plasma Physics
  • Control Systems

Background:

  • The UK's Spherical Tokamak for Energy Production (STEP) program requires a sophisticated plasma control system.
  • STEP's operational environment and plasma regimes will differ significantly from existing tokamaks.
  • Self-organizing plasma behavior during fusion burn presents unique control challenges.

Purpose of the Study:

  • To outline the design of a robust plasma control system for the STEP program.
  • To address the complexities of controlling plasma from initiation through to safe termination.
  • To develop strategies for managing both normal operation and exceptional events.

Main Methods:

  • Design of individual controllers for plasma shape, position, and magneto-hydrodynamic instabilities.
  • Development of control strategies for heat load management and fusion power regulation.
  • Analysis of 'normal' operational scenarios and planning for exception handling.

Main Results:

  • Progress in designing individual control components for key plasma parameters.
  • Consideration of the unique challenges posed by STEP's spherical tokamak configuration.
  • Development of a control philosophy encompassing both standard and off-normal event management.

Conclusions:

  • A comprehensive plasma control system is essential for STEP's success.
  • Addressing STEP's unique plasma physics and operational constraints is critical for fusion power.
  • The proposed control strategy aims to ensure safe and efficient operation, paving the way for fusion energy delivery.