title: Ð¡Ð½Ð¸Ð¶ÐµÐ½Ð¸Ðµ Ð¿ÐµÑÐµÐ³ÑÑÐ·Ð¾Ðº ÑÐ°Ð´Ð¸Ð¾Ð¿ÐµÑÐµÐ´Ð°ÑÑÐµÐ³Ð¾ ÑÑÑÑÐ¾Ð¹ÑÑÐ²Ð° Ð² Ð¿ÐµÑÐµÑ Ð¾Ð´Ð½ÑÑ ÑÐµÐ¶Ð¸Ð¼Ð°Ñ
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Reducing overloads of a radio transmitting device in transient modes
Creators: name: ÐÐ»ÑÑÐ¸Ñ, Ð¡Ð¾ÑÑÑ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2022
Subjects: ÑÐ°Ð´Ð¸Ð¾Ð¿ÐµÑÐµÐ´Ð°ÑÑÐµÐµ ÑÑÑÑÐ¾Ð¹ÑÑÐ²Ð¾
ÑÑÐ¸Ð»Ð¸ÑÐµÐ»Ñ Ð¼Ð¾ÑÐ½Ð¾ÑÑÐ¸
Ð³ÐµÐ½ÐµÑÐ°ÑÐ¾ÑÐ½Ð°Ñ ÑÑÐµÐ¹ÐºÐ°
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ÑÐ»Ð¾Ð¶Ð½Ð°Ñ Ð½Ð°Ð³ÑÑÐ·ÐºÐ°
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Ð³ÐµÐ½ÐµÑÐ¸ÑÐµÑÐºÐ¸Ð¹ Ð°Ð»Ð³Ð¾ÑÐ¸ÑÐ¼
radio transmitter
power amplifier
generator cell
transient process
operator method
overcurrent
complex load
discrete optimization
genetic algorithm

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description: The object of research is a radio transmitting device. The subject of the study is methods for reducing overloads of the radio transmitter power amplifier (PA) in transient modes. The purpose of the research is to reduce the current overload of the power amplifier in transient modes for a given allowable duration of the transient process. This research was devoted to minimizing the overload in the output current of the PA for a given allowable duration of the transient process by solving the problem of optimal control of the PA. An analytical model based on the operator method was developed for calculating transient processes during the operation of the radio transmitter with complex types of loads. With the use of this mode the current of the output circuit of the pulse PA was calculated and simulation modeling. Comparison of the results with reference current values were carried out. The problem of optimal control of the PA in the output path of the radio transmitter in transient modes was posed, then a software solution of the optimal control problem was implemented.As a result, with optimal control of the PA, the current overload coefficient does not exceed 10% of the steady-state value. In addition, the optimal control of the PA provides a gain in current overload coefficients of up to 10% in comparison with the quasi-optimal solution obtained using the method of expert assessments.