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A parallel DSP architecture and its performances for the state estimation of m=2 n=1 rotating resistive modes in JET

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1 Author(s)
D'Antona, G. ; Dipartimento di Elettrotecnica, Politecnico di Milano, Italy

A parallel DSP architecture for the state estimation and control of rotating resistive modes is illustrated for its application in an experiment that will take place in the European tokamak JET. The measurement algorithms and the different functions shared between different processors to run in parallel the measurement and control procedures are introduced. They are based on the feedforward compensation of the plasma reflection of the external control field on the pick up coils and the estimation of the mode phase and amplitude. The advantage of the large flexibility offered by the digital solution to the control problem has justified the effort towards the definition of a measurement control scheme with little computational delay. Software simulations of the complete control loop have shown how the time delay of this control system architecture is not critical, despite the complex signal processing required

Published in:

Instrumentation and Measurement Technology Conference, 1993. IMTC/93. Conference Record., IEEE

Date of Conference:

18-20 May 1993

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