Modeling of automatic control systems is considered. Designed for students in the field of training 15.03.04 "Automation of technological processes and industries" and other engineering and technical areas of training, as well as masters and graduate students in the specialty 15.04.04 "Automation of technological processes and industries." It will also be useful for students, graduate students, engineers, teachers of universities and technical schools engaged in the automation of control systems using the MatLab program.