Instruments and Systems: Monitoring, Control, and Diagnostics Annotation << Back Functional diagnostic of the control system for process growing large-size alkali halide crystals V.S. SUZDAL, Yu.M. EPIFANOV The problem of modeling the system for functional diagnosis based on the norms operator for signaling defects in the control system in growing large single crystals are described. Simulation results. Key words: functional diagnostics, the norm operator, single crystal. E-mail: suzdal@isma.kharkov.ua