Title :
Fast feedback control for plasma positioning with a PCI hybrid DSP/FPGA board
Author :
Valcárcel, D.F. ; Carvalho, I.S. ; Carvalho, B.B. ; Fernandes, H. ; Sousa, J. ; Varandas, C.A.F.
Author_Institution :
Associacao Euratom/IST, Centro de Fusao Nucl., Lisboa
Abstract :
The need to control in real-time the plasma parameters in fusion devices leads to the development of algorithms requiring intensive computation and providing results on a few hundred microseconds. The present paper´s objective was the implementation of the current filaments method (CF) to model in real-time the ISTTOK plasma shape and position. The hardware used was the on site developed PCI-TR-256 hardware configurable module, which includes the latest technology in DSP and FPGA. The algorithm estimates the position of the plasma column and generates the control signals for the vertical magnetic field actuators. The main advantage of this system is to provide a digital approach to feedback plasma position control with similar cycle times to those of analog systems but allowing flexible, user defined, algorithms
Keywords :
control engineering computing; digital signal processing chips; feedback; field programmable gate arrays; nuclear engineering computing; peripheral interfaces; plasma; position control; real-time systems; PCI hybrid DSP/FPGA board; PCI-TR-256 hardware configurable module; current filaments method; fast feedback control; plasma positioning; Actuators; Digital signal processing; Feedback control; Field programmable gate arrays; Hardware; Magnetic fields; Plasma devices; Position control; Shape; Signal generators;
Conference_Titel :
Real Time Conference, 2005. 14th IEEE-NPSS
Conference_Location :
Stockholm
Print_ISBN :
0-7803-9183-7
DOI :
10.1109/RTC.2005.1547487