TY JOUR TI A MODULAR MODEL OF WARNING SYSTEM AND EVACUATION MANAGEMENT BASED ON IOT TECHNOLOGY KW fire safety KW high-occupancy buildings KW evacuation management KW new information technologies KW internet of things KW adaptive systems KW modular architecture KW cybersecurity JO Problems of risk management in the technosphere AU Melnikov, G.O. AU Sineshchuk, Y.I. PY 2026 IS 2025 PB Saint-Petersburg University of State Fire Service of Emercom of Russia