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1 June 1994VLT local control unit real-time environment
The ESO VLT control system is based on a distributed computer architecture, where a number of workstations are interconnected. They provide user interfaces and high level functions, while real-time control is handled by some 120 - 150 microprocessors, embedded in Local Control Units.
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Birger Gustafsson, "VLT local control unit real-time environment," Proc. SPIE 2199, Advanced Technology Optical Telescopes V, (1 June 1994); https://doi.org/10.1117/12.176160