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Access monitoring and control system are a set of software and hardware for restricting and registering the entrance to a given territory through special passages. In addition, when used in modern sports facilities, these systems must have a high capacity. This is necessary for the safe movement and timely evacuation of a large number of visitors. Therefore, the reliable operation of access monitoring and control systems is the most important technical challenge. Electromagnetic interference can disrupt the functions of the control system. One of the reasons for system malfunctions can be electromagnetic interference on the power supply network. The article analyzes the sources of electromagnetic interference in the power supply network. Experimental studies of the functioning of the control system under the influence of nanosecond noise on the power supply network have been carried out. A simulation model is proposed and the results of modeling electromagnetic interference in the control system when exposed to electromagnetic pulses through the power supply network are presented. The simulation results are in good agreement with the experimental data.

journal of radio electronics

Noise immunity of monitoring and control systems for access to buildings when exposed to electromagnetic interference through the power supply network.